{
  "role_id": 12345,
  "level": 1,
  "unit": 1,
  "unit_name": "Unit 1: Hello World",
  "lessons": [
    {
      "lesson_id": 1,
      "lesson_name": "Lesson 1: Greetings",
      "entry_time": "2024-01-15T09:00:00Z",
      "completion_time": "2024-01-15T09:25:30Z",
      "consolidation_entry_time": "2024-01-15T09:26:00Z",
      "consolidation_completion_time": "2024-01-15T09:40:00Z",
      "knowledge_points": {
        "words": [
          {
            "word": "hello",
            "meaning": "你好",
            "pos": "int."
          },
          {
            "word": "hi",
            "meaning": "嗨",
            "pos": "int."
          },
          {
            "word": "goodbye",
            "meaning": "再见",
            "pos": "int."
          },
          {
            "word": "name",
            "meaning": "名字",
            "pos": "n."
          }
        ],
        "sentence_patterns": [
          {
            "pattern": "Hello, my name is [name].",
            "meaning": "你好，我的名字是[名字]。",
            "example": "Hello, my name is Tom."
          },
          {
            "pattern": "Nice to meet you.",
            "meaning": "很高兴认识你。",
            "example": "Nice to meet you too."
          }
        ]
      },
      "interactive_components": [
        {
          "component_id": "ic_001",
          "type": "单词跟读",
          "detail": "请跟读单词 hello，注意发音准确",
          "user_result": "perfect",
          "knowledge": "hello",
          "audio": "https://audio.valavala.com/ic_001.mp3"
        },
        {
          "component_id": "ic_002",
          "type": "单词跟读",
          "detail": "请跟读单词 hi，注意语调自然",
          "user_result": "good",
          "knowledge": "hi",
          "audio": "https://audio.valavala.com/ic_002.mp3"
        },
        {
          "component_id": "ic_003",
          "type": "单词听选",
          "detail": "听录音，选择正确的单词 goodbye",
          "user_result": "perfect",
          "knowledge": "goodbye"
        },
        {
          "component_id": "ic_004",
          "type": "单词拼写",
          "detail": "根据发音，拼写出单词 name",
          "user_result": "good",
          "knowledge": "name"
        },
        {
          "component_id": "ic_005",
          "type": "句型跟读",
          "detail": "请跟读句型：Hello, my name is [name]",
          "user_result": "perfect",
          "knowledge": "Hello, my name is [name].",
          "audio": "https://audio.valavala.com/ic_005.mp3"
        },
        {
          "component_id": "ic_006",
          "type": "句型替换练习",
          "detail": "替换名字，完成句子：Hello, my name is ______",
          "user_result": "oops",
          "knowledge": "Hello, my name is [name]."
        },
        {
          "component_id": "ic_007",
          "type": "情景对话",
          "detail": "在情景中与角色进行打招呼对话",
          "user_result": "good",
          "knowledge": "Hello, my name is [name].",
          "audio": "https://audio.valavala.com/ic_007.mp3"
        },
        {
          "component_id": "ic_008",
          "type": "听力理解",
          "detail": "听录音，选择正确的问候回应",
          "user_result": "perfect",
          "knowledge": "Nice to meet you."
        },
        {
          "component_id": "ic_009",
          "type": "语音识别",
          "detail": "请说出单词 hi",
          "user_result": "good",
          "knowledge": "hi",
          "audio": "https://audio.valavala.com/ic_009.mp3"
        },
        {
          "component_id": "ic_010",
          "type": "图文匹配",
          "detail": "将单词与对应的图片进行匹配",
          "user_result": "perfect",
          "knowledge": "hello"
        },
        {
          "component_id": "ic_011",
          "type": "句型听选",
          "detail": "听录音，选择正确的回应",
          "user_result": "good",
          "knowledge": "Nice to meet you."
        },
        {
          "component_id": "ic_012",
          "type": "角色扮演",
          "detail": "扮演角色进行自我介绍对话",
          "user_result": "perfect",
          "knowledge": "Hello, my name is [name].",
          "audio": "https://audio.valavala.com/ic_012.mp3"
        },
        {
          "component_id": "ic_013",
          "type": "单词排序",
          "detail": "将单词按正确顺序排列成句子",
          "user_result": "oops",
          "knowledge": "Hello, my name is [name]."
        },
        {
          "component_id": "ic_014",
          "type": "发音练习",
          "detail": "练习疑问句和陈述句的语调区别",
          "user_result": "good",
          "knowledge": "Nice to meet you.",
          "audio": "https://audio.valavala.com/ic_014.mp3"
        },
        {
          "component_id": "ic_015",
          "type": "单词填空",
          "detail": "在句子中填入正确的单词",
          "user_result": "perfect",
          "knowledge": "name"
        },
        {
          "component_id": "ic_016",
          "type": "情景判断",
          "detail": "根据情景选择最合适的回应",
          "user_result": "good",
          "knowledge": "Nice to meet you."
        },
        {
          "component_id": "ic_017",
          "type": "综合对话",
          "detail": "完成完整的打招呼和自我介绍对话",
          "user_result": "perfect",
          "knowledge": "Hello, my name is [name].",
          "audio": "https://audio.valavala.com/ic_017.mp3"
        },
        {
          "component_id": "ic_018",
          "type": "复习测验",
          "detail": "完成本课知识点的综合复习测验",
          "user_result": "good",
          "knowledge": "Nice to meet you."
        }
      ],
      "consolidation_exercises": [
        {
          "exercise_id": "ce_001",
          "type": "单词听选",
          "detail": "听录音，从A、B、C三个选项中选择听到的单词",
          "is_correct": true,
          "knowledge": "hello"
        },
        {
          "exercise_id": "ce_002",
          "type": "单词拼写",
          "detail": "根据中文意思，写出对应的英文单词：你好",
          "is_correct": true,
          "knowledge": "hello"
        },
        {
          "exercise_id": "ce_003",
          "type": "图文匹配",
          "detail": "将单词 goodbye 与对应的图片匹配",
          "is_correct": false,
          "knowledge": "goodbye"
        },
        {
          "exercise_id": "ce_004",
          "type": "句型填空",
          "detail": "用正确的单词填空：Hello, my ______ is Tom.",
          "is_correct": true,
          "knowledge": "Hello, my name is [name]."
        },
        {
          "exercise_id": "ce_005",
          "type": "情景选择",
          "detail": "初次见面时，应该说：A. Hello B. Goodbye C. Hi",
          "is_correct": true,
          "knowledge": "hello"
        },
        {
          "exercise_id": "ce_006",
          "type": "句子排序",
          "detail": "将下列单词排列成正确的句子：name / my / is / Hello",
          "is_correct": true,
          "knowledge": "Hello, my name is [name]."
        },
        {
          "exercise_id": "ce_007",
          "type": "听力理解",
          "detail": "听对话，回答问题：他们正在做什么？",
          "is_correct": false,
          "knowledge": "Nice to meet you."
        },
        {
          "exercise_id": "ce_008",
          "type": "发音选择",
          "detail": "听录音，选择包含 /eɪ/ 音的单词",
          "is_correct": true,
          "knowledge": "name",
          "audio": "https://audio.valavala.com/ce_008.mp3"
        },
        {
          "exercise_id": "ce_009",
          "type": "翻译练习",
          "detail": "将下列句子翻译成英文：很高兴认识你。",
          "is_correct": true,
          "knowledge": "Nice to meet you."
        },
        {
          "exercise_id": "ce_010",
          "type": "对话补全",
          "detail": "补全对话：A: Hello! B: ______!",
          "is_correct": true,
          "knowledge": "hello"
        },
        {
          "exercise_id": "ce_011",
          "type": "单词分类",
          "detail": "将单词按问候语和非问候语分类",
          "is_correct": false,
          "knowledge": "hello"
        },
        {
          "exercise_id": "ce_012",
          "type": "句型转换",
          "detail": "将 Hello 转换为同义词",
          "is_correct": true,
          "knowledge": "hi"
        },
        {
          "exercise_id": "ce_013",
          "type": "连线匹配",
          "detail": "将单词与对应的中文意思连线",
          "is_correct": true,
          "knowledge": "goodbye"
        },
        {
          "exercise_id": "ce_014",
          "type": "判断正误",
          "detail": "判断句子是否正确：Goodbye 用于告别时说。",
          "is_correct": true,
          "knowledge": "goodbye"
        },
        {
          "exercise_id": "ce_015",
          "type": "选词填空",
          "detail": "选择合适的单词填空：______ to meet you. (Nice/Fine/Good)",
          "is_correct": true,
          "knowledge": "Nice to meet you."
        },
        {
          "exercise_id": "ce_016",
          "type": "语音辨识",
          "detail": "听录音，判断是哪个单词",
          "is_correct": false,
          "knowledge": "hi",
          "audio": "https://audio.valavala.com/ce_016.mp3"
        },
        {
          "exercise_id": "ce_017",
          "type": "完形填空",
          "detail": "阅读短文，选择合适的问候语填入空格",
          "is_correct": true,
          "knowledge": "hello"
        },
        {
          "exercise_id": "ce_018",
          "type": "综合测验",
          "detail": "完成本课知识的综合测验题",
          "is_correct": true,
          "knowledge": "Nice to meet you."
        }
      ]
    },
    {
      "lesson_id": 2,
      "lesson_name": "Lesson 2: Numbers",
      "entry_time": "2024-01-16T10:00:00Z",
      "completion_time": "2024-01-16T10:30:15Z",
      "consolidation_entry_time": "2024-01-16T10:31:00Z",
      "consolidation_completion_time": "2024-01-16T10:50:00Z",
      "knowledge_points": {
        "words": [
          {
            "word": "one",
            "meaning": "一",
            "pos": "num."
          },
          {
            "word": "two",
            "meaning": "二",
            "pos": "num."
          },
          {
            "word": "three",
            "meaning": "三",
            "pos": "num."
          },
          {
            "word": "ten",
            "meaning": "十",
            "pos": "num."
          }
        ],
        "sentence_patterns": [
          {
            "pattern": "How old are you? I am [number].",
            "meaning": "你几岁了？我[数字]岁。",
            "example": "How old are you? I am five."
          },
          {
            "pattern": "I have [number] [noun].",
            "meaning": "我有[数字]个[名词]。",
            "example": "I have three books."
          }
        ]
      },
      "interactive_components": [
        {
          "component_id": "ic_201",
          "type": "单词跟读",
          "detail": "请跟读数字 one",
          "user_result": "perfect",
          "knowledge": "one",
          "audio": "https://audio.valavala.com/ic_201.mp3"
        },
        {
          "component_id": "ic_202",
          "type": "单词跟读",
          "detail": "请跟读数字 two",
          "user_result": "perfect",
          "knowledge": "two",
          "audio": "https://audio.valavala.com/ic_202.mp3"
        },
        {
          "component_id": "ic_203",
          "type": "单词听选",
          "detail": "听录音，选择正确的数字 three",
          "user_result": "good",
          "knowledge": "three"
        },
        {
          "component_id": "ic_204",
          "type": "单词拼写",
          "detail": "根据发音，拼写出数字 ten",
          "user_result": "perfect",
          "knowledge": "ten"
        },
        {
          "component_id": "ic_205",
          "type": "句型跟读",
          "detail": "请跟读句型：How old are you?",
          "user_result": "good",
          "knowledge": "How old are you? I am [number].",
          "audio": "https://audio.valavala.com/ic_205.mp3"
        },
        {
          "component_id": "ic_206",
          "type": "数字排序练习",
          "detail": "将数字按从小到大排序",
          "user_result": "perfect",
          "knowledge": "one"
        },
        {
          "component_id": "ic_207",
          "type": "情景对话",
          "detail": "在情景中询问和回答年龄",
          "user_result": "good",
          "knowledge": "How old are you? I am [number].",
          "audio": "https://audio.valavala.com/ic_207.mp3"
        },
        {
          "component_id": "ic_208",
          "type": "听力理解",
          "detail": "听录音，写出听到的数字",
          "user_result": "perfect",
          "knowledge": "three"
        },
        {
          "component_id": "ic_209",
          "type": "语音识别",
          "detail": "请说出数字 three",
          "user_result": "good",
          "knowledge": "three",
          "audio": "https://audio.valavala.com/ic_209.mp3"
        },
        {
          "component_id": "ic_210",
          "type": "图文匹配",
          "detail": "将数字单词与对应的数量匹配",
          "user_result": "perfect",
          "knowledge": "ten"
        },
        {
          "component_id": "ic_211",
          "type": "数学计算",
          "detail": "计算并写出英文结果：1+2=?",
          "user_result": "good",
          "knowledge": "three"
        },
        {
          "component_id": "ic_212",
          "type": "角色扮演",
          "detail": "扮演角色介绍自己的年龄",
          "user_result": "perfect",
          "knowledge": "How old are you? I am [number].",
          "audio": "https://audio.valavala.com/ic_212.mp3"
        },
        {
          "component_id": "ic_213",
          "type": "数字接龙",
          "detail": "按顺序接出下一个数字单词",
          "user_result": "oops",
          "knowledge": "one"
        },
        {
          "component_id": "ic_214",
          "type": "听写练习",
          "detail": "听写数字单词 one 到 ten",
          "user_result": "good",
          "knowledge": "ten"
        },
        {
          "component_id": "ic_215",
          "type": "句型填空",
          "detail": "用正确的数字填空：I have ______ books.",
          "user_result": "perfect",
          "knowledge": "I have [number] [noun]."
        },
        {
          "component_id": "ic_216",
          "type": "快速反应",
          "detail": "看到数字快速说出英文",
          "user_result": "good",
          "knowledge": "two",
          "audio": "https://audio.valavala.com/ic_216.mp3"
        },
        {
          "component_id": "ic_217",
          "type": "综合对话",
          "detail": "完成关于数字的完整对话",
          "user_result": "perfect",
          "knowledge": "How old are you? I am [number].",
          "audio": "https://audio.valavala.com/ic_217.mp3"
        },
        {
          "component_id": "ic_218",
          "type": "复习测验",
          "detail": "完成数字知识点的综合复习",
          "user_result": "good",
          "knowledge": "I have [number] [noun]."
        }
      ],
      "consolidation_exercises": [
        {
          "exercise_id": "ce_201",
          "type": "单词听选",
          "detail": "听录音，选择听到的数字单词",
          "is_correct": true,
          "knowledge": "one"
        },
        {
          "exercise_id": "ce_202",
          "type": "单词拼写",
          "detail": "根据中文写出英文数字：三",
          "is_correct": true,
          "knowledge": "three"
        },
        {
          "exercise_id": "ce_203",
          "type": "图文匹配",
          "detail": "将数字 ten 与对应的数量图匹配",
          "is_correct": true,
          "knowledge": "ten"
        },
        {
          "exercise_id": "ce_204",
          "type": "句型填空",
          "detail": "填空：How old are you? I am ______.",
          "is_correct": false,
          "knowledge": "How old are you? I am [number]."
        },
        {
          "exercise_id": "ce_205",
          "type": "听力计算",
          "detail": "听数字，计算并选择正确答案：2+3=?",
          "is_correct": true,
          "knowledge": "two"
        },
        {
          "exercise_id": "ce_206",
          "type": "句子排序",
          "detail": "排列句子：you / How / are / old",
          "is_correct": true,
          "knowledge": "How old are you? I am [number]."
        },
        {
          "exercise_id": "ce_207",
          "type": "听力理解",
          "detail": "听对话，回答问题：男孩几岁？",
          "is_correct": true,
          "knowledge": "How old are you? I am [number]."
        },
        {
          "exercise_id": "ce_208",
          "type": "数字排序",
          "detail": "将下列数字按从小到大排列",
          "is_correct": true,
          "knowledge": "one"
        },
        {
          "exercise_id": "ce_209",
          "type": "翻译练习",
          "detail": "翻译：我有三本书。",
          "is_correct": false,
          "knowledge": "I have [number] [noun]."
        },
        {
          "exercise_id": "ce_210",
          "type": "对话补全",
          "detail": "补全对话：A: How old are you? B: ______",
          "is_correct": true,
          "knowledge": "How old are you? I am [number]."
        },
        {
          "exercise_id": "ce_211",
          "type": "数字识别",
          "detail": "选择正确的数字单词拼写",
          "is_correct": true,
          "knowledge": "two"
        },
        {
          "exercise_id": "ce_212",
          "type": "数学应用",
          "detail": "Mary有2个苹果，Tom有3个，共有几个？",
          "is_correct": true,
          "knowledge": "I have [number] [noun]."
        },
        {
          "exercise_id": "ce_213",
          "type": "连线匹配",
          "detail": "将数字与英文单词连线",
          "is_correct": true,
          "knowledge": "three"
        },
        {
          "exercise_id": "ce_214",
          "type": "判断正误",
          "detail": "判断：one 表示数字 1。",
          "is_correct": true,
          "knowledge": "one"
        },
        {
          "exercise_id": "ce_215",
          "type": "选词填空",
          "detail": "选择正确数字填空：I have ______ (one/two/three) pens.",
          "is_correct": true,
          "knowledge": "I have [number] [noun]."
        },
        {
          "exercise_id": "ce_216",
          "type": "数字书写",
          "detail": "根据读音写出数字单词",
          "is_correct": false,
          "knowledge": "ten"
        },
        {
          "exercise_id": "ce_217",
          "type": "完形填空",
          "detail": "阅读短文，填入正确的数字单词",
          "is_correct": true,
          "knowledge": "three"
        },
        {
          "exercise_id": "ce_218",
          "type": "综合测验",
          "detail": "完成数字单元综合测验",
          "is_correct": true,
          "knowledge": "How old are you? I am [number]."
        }
      ]
    },
    {
      "lesson_id": 3,
      "lesson_name": "Lesson 3: Colors",
      "entry_time": "2024-01-17T09:15:00Z",
      "completion_time": "2024-01-17T09:45:20Z",
      "consolidation_entry_time": "2024-01-17T09:46:00Z",
      "consolidation_completion_time": "2024-01-17T10:05:00Z",
      "knowledge_points": {
        "words": [
          {
            "word": "red",
            "meaning": "红色",
            "pos": "n./adj."
          },
          {
            "word": "blue",
            "meaning": "蓝色",
            "pos": "n./adj."
          },
          {
            "word": "green",
            "meaning": "绿色",
            "pos": "n./adj."
          },
          {
            "word": "yellow",
            "meaning": "黄色",
            "pos": "n./adj."
          }
        ],
        "sentence_patterns": [
          {
            "pattern": "What color is it? It is [color].",
            "meaning": "这是什么颜色？这是[颜色]。",
            "example": "What color is it? It is red."
          },
          {
            "pattern": "I like [color].",
            "meaning": "我喜欢[颜色]。",
            "example": "I like blue."
          }
        ]
      },
      "interactive_components": [
        {
          "component_id": "ic_301",
          "type": "单词跟读",
          "detail": "请跟读颜色单词 red",
          "user_result": "perfect",
          "knowledge": "red",
          "audio": "https://audio.valavala.com/ic_301.mp3"
        },
        {
          "component_id": "ic_302",
          "type": "单词跟读",
          "detail": "请跟读颜色单词 blue",
          "user_result": "good",
          "knowledge": "blue",
          "audio": "https://audio.valavala.com/ic_302.mp3"
        },
        {
          "component_id": "ic_303",
          "type": "单词听选",
          "detail": "听录音，选择正确的颜色单词",
          "user_result": "perfect",
          "knowledge": "green"
        },
        {
          "component_id": "ic_304",
          "type": "单词拼写",
          "detail": "根据发音，拼写出颜色单词 yellow",
          "user_result": "good",
          "knowledge": "yellow"
        },
        {
          "component_id": "ic_305",
          "type": "句型跟读",
          "detail": "请跟读句型：What color is it?",
          "user_result": "perfect",
          "knowledge": "What color is it? It is [color].",
          "audio": "https://audio.valavala.com/ic_305.mp3"
        },
        {
          "component_id": "ic_306",
          "type": "颜色识别练习",
          "detail": "看图片，说出颜色名称",
          "user_result": "perfect",
          "knowledge": "red",
          "audio": "https://audio.valavala.com/ic_306.mp3"
        },
        {
          "component_id": "ic_307",
          "type": "情景对话",
          "detail": "在情景中询问物品颜色",
          "user_result": "good",
          "knowledge": "What color is it? It is [color].",
          "audio": "https://audio.valavala.com/ic_307.mp3"
        },
        {
          "component_id": "ic_308",
          "type": "听力理解",
          "detail": "听录音，选择听到的颜色",
          "user_result": "perfect",
          "knowledge": "green"
        },
        {
          "component_id": "ic_309",
          "type": "语音识别",
          "detail": "请说出颜色 green",
          "user_result": "oops",
          "knowledge": "green",
          "audio": "https://audio.valavala.com/ic_309.mp3"
        },
        {
          "component_id": "ic_310",
          "type": "图文匹配",
          "detail": "将颜色单词与对应颜色块匹配",
          "user_result": "perfect",
          "knowledge": "yellow"
        },
        {
          "component_id": "ic_311",
          "type": "颜色混合",
          "detail": "蓝色加黄色变成什么颜色？",
          "user_result": "good",
          "knowledge": "green"
        },
        {
          "component_id": "ic_312",
          "type": "角色扮演",
          "detail": "扮演角色描述周围物品颜色",
          "user_result": "perfect",
          "knowledge": "What color is it? It is [color].",
          "audio": "https://audio.valavala.com/ic_312.mp3"
        },
        {
          "component_id": "ic_313",
          "type": "颜色分类",
          "detail": "将物品按颜色分类",
          "user_result": "good",
          "knowledge": "red"
        },
        {
          "component_id": "ic_314",
          "type": "涂色游戏",
          "detail": "听指令给图片涂上正确的颜色",
          "user_result": "perfect",
          "knowledge": "blue"
        },
        {
          "component_id": "ic_315",
          "type": "句型填空",
          "detail": "用颜色填空：I like ______.",
          "user_result": "good",
          "knowledge": "I like [color]."
        },
        {
          "component_id": "ic_316",
          "type": "快速反应",
          "detail": "看到颜色快速说出英文",
          "user_result": "perfect",
          "knowledge": "yellow",
          "audio": "https://audio.valavala.com/ic_316.mp3"
        },
        {
          "component_id": "ic_317",
          "type": "综合对话",
          "detail": "完成关于颜色的完整对话",
          "user_result": "good",
          "knowledge": "What color is it? It is [color].",
          "audio": "https://audio.valavala.com/ic_317.mp3"
        },
        {
          "component_id": "ic_318",
          "type": "复习测验",
          "detail": "完成颜色知识点的综合复习",
          "user_result": "perfect",
          "knowledge": "I like [color]."
        }
      ],
      "consolidation_exercises": [
        {
          "exercise_id": "ce_301",
          "type": "单词听选",
          "detail": "听录音，选择听到的颜色单词",
          "is_correct": true,
          "knowledge": "red"
        },
        {
          "exercise_id": "ce_302",
          "type": "单词拼写",
          "detail": "根据中文写出颜色英文：红色",
          "is_correct": true,
          "knowledge": "red"
        },
        {
          "exercise_id": "ce_303",
          "type": "图文匹配",
          "detail": "将 green 与绿色图片匹配",
          "is_correct": true,
          "knowledge": "green"
        },
        {
          "exercise_id": "ce_304",
          "type": "句型填空",
          "detail": "填空：What color is it? It is ______.",
          "is_correct": true,
          "knowledge": "What color is it? It is [color]."
        },
        {
          "exercise_id": "ce_305",
          "type": "颜色识别",
          "detail": "选择天空的颜色：A. blue B. red C. green",
          "is_correct": true,
          "knowledge": "blue"
        },
        {
          "exercise_id": "ce_306",
          "type": "句子排序",
          "detail": "排列句子：is / it / What / color",
          "is_correct": true,
          "knowledge": "What color is it? It is [color]."
        },
        {
          "exercise_id": "ce_307",
          "type": "听力理解",
          "detail": "听描述，选择正确的物品颜色",
          "is_correct": false,
          "knowledge": "yellow"
        },
        {
          "exercise_id": "ce_308",
          "type": "颜色混合",
          "detail": "红色加黄色变成什么颜色？",
          "is_correct": true,
          "knowledge": "red"
        },
        {
          "exercise_id": "ce_309",
          "type": "翻译练习",
          "detail": "翻译：我喜欢蓝色。",
          "is_correct": true,
          "knowledge": "I like [color]."
        },
        {
          "exercise_id": "ce_310",
          "type": "对话补全",
          "detail": "补全对话：A: What color is it? B: ______",
          "is_correct": true,
          "knowledge": "What color is it? It is [color]."
        },
        {
          "exercise_id": "ce_311",
          "type": "物品分类",
          "detail": "将红色物品圈出来",
          "is_correct": true,
          "knowledge": "red"
        },
        {
          "exercise_id": "ce_312",
          "type": "颜色联想",
          "detail": "苹果通常是什么颜色？",
          "is_correct": true,
          "knowledge": "red"
        },
        {
          "exercise_id": "ce_313",
          "type": "连线匹配",
          "detail": "将颜色与对应物品连线",
          "is_correct": true,
          "knowledge": "green"
        },
        {
          "exercise_id": "ce_314",
          "type": "判断正误",
          "detail": "判断：yellow 是黄色。",
          "is_correct": true,
          "knowledge": "yellow"
        },
        {
          "exercise_id": "ce_315",
          "type": "选词填空",
          "detail": "The sky is ______ (red/blue/green).",
          "is_correct": true,
          "knowledge": "blue"
        },
        {
          "exercise_id": "ce_316",
          "type": "颜色书写",
          "detail": "根据读音写出颜色单词",
          "is_correct": false,
          "knowledge": "yellow"
        },
        {
          "exercise_id": "ce_317",
          "type": "完形填空",
          "detail": "阅读短文，填入正确的颜色单词",
          "is_correct": true,
          "knowledge": "green"
        },
        {
          "exercise_id": "ce_318",
          "type": "综合测验",
          "detail": "完成颜色单元综合测验",
          "is_correct": true,
          "knowledge": "I like [color]."
        }
      ]
    },
    {
      "lesson_id": 4,
      "lesson_name": "Lesson 4: Family",
      "entry_time": "2024-01-18T14:00:00Z",
      "completion_time": "2024-01-18T14:35:10Z",
      "consolidation_entry_time": "2024-01-18T14:36:00Z",
      "consolidation_completion_time": "2024-01-18T14:55:00Z",
      "knowledge_points": {
        "words": [
          {
            "word": "father",
            "meaning": "爸爸",
            "pos": "n."
          },
          {
            "word": "mother",
            "meaning": "妈妈",
            "pos": "n."
          },
          {
            "word": "brother",
            "meaning": "兄弟",
            "pos": "n."
          },
          {
            "word": "sister",
            "meaning": "姐妹",
            "pos": "n."
          }
        ],
        "sentence_patterns": [
          {
            "pattern": "This is my [family member].",
            "meaning": "这是我的[家庭成员]。",
            "example": "This is my father."
          },
          {
            "pattern": "Who is he/she? He/She is my [family member].",
            "meaning": "他/她是谁？他/她是我的[家庭成员]。",
            "example": "Who is he? He is my brother."
          }
        ]
      },
      "interactive_components": [
        {
          "component_id": "ic_401",
          "type": "单词跟读",
          "detail": "请跟读家庭成员单词 father",
          "user_result": "perfect",
          "knowledge": "father",
          "audio": "https://audio.valavala.com/ic_401.mp3"
        },
        {
          "component_id": "ic_402",
          "type": "单词跟读",
          "detail": "请跟读家庭成员单词 mother",
          "user_result": "perfect",
          "knowledge": "mother",
          "audio": "https://audio.valavala.com/ic_402.mp3"
        },
        {
          "component_id": "ic_403",
          "type": "单词听选",
          "detail": "听录音，选择正确的家庭成员单词",
          "user_result": "good",
          "knowledge": "brother"
        },
        {
          "component_id": "ic_404",
          "type": "单词拼写",
          "detail": "根据发音，拼写出 sister",
          "user_result": "perfect",
          "knowledge": "sister"
        },
        {
          "component_id": "ic_405",
          "type": "句型跟读",
          "detail": "请跟读句型：This is my father.",
          "user_result": "good",
          "knowledge": "This is my [family member].",
          "audio": "https://audio.valavala.com/ic_405.mp3"
        },
        {
          "component_id": "ic_406",
          "type": "家庭成员配对",
          "detail": "将单词与对应的家庭成员图片配对",
          "user_result": "perfect",
          "knowledge": "father"
        },
        {
          "component_id": "ic_407",
          "type": "情景对话",
          "detail": "在情景中介绍自己的家庭成员",
          "user_result": "good",
          "knowledge": "This is my [family member].",
          "audio": "https://audio.valavala.com/ic_407.mp3"
        },
        {
          "component_id": "ic_408",
          "type": "听力理解",
          "detail": "听录音，指出说话者在说谁",
          "user_result": "perfect",
          "knowledge": "Who is he/she? He/She is my [family member]."
        },
        {
          "component_id": "ic_409",
          "type": "语音识别",
          "detail": "请说出家庭成员 mother",
          "user_result": "good",
          "knowledge": "mother",
          "audio": "https://audio.valavala.com/ic_409.mp3"
        },
        {
          "component_id": "ic_410",
          "type": "家庭树绘制",
          "detail": "根据描述绘制家庭树",
          "user_result": "oops",
          "knowledge": "father"
        },
        {
          "component_id": "ic_411",
          "type": "问答练习",
          "detail": "练习问句：Who is he/she?",
          "user_result": "good",
          "knowledge": "Who is he/she? He/She is my [family member].",
          "audio": "https://audio.valavala.com/ic_411.mp3"
        },
        {
          "component_id": "ic_412",
          "type": "角色扮演",
          "detail": "扮演角色向朋友介绍家人",
          "user_result": "perfect",
          "knowledge": "This is my [family member].",
          "audio": "https://audio.valavala.com/ic_412.mp3"
        },
        {
          "component_id": "ic_413",
          "type": "家庭成员关系",
          "detail": "理解家庭成员之间的关系",
          "user_result": "good",
          "knowledge": "brother"
        },
        {
          "component_id": "ic_414",
          "type": "听指令指认",
          "detail": "听指令指出对应的家人图片",
          "user_result": "perfect",
          "knowledge": "sister"
        },
        {
          "component_id": "ic_415",
          "type": "句型填空",
          "detail": "填空：Who is she? ______ is my mother.",
          "user_result": "perfect",
          "knowledge": "Who is he/she? He/She is my [family member]."
        },
        {
          "component_id": "ic_416",
          "type": "家庭相册描述",
          "detail": "看家庭相册照片，描述家人",
          "user_result": "good",
          "knowledge": "This is my [family member].",
          "audio": "https://audio.valavala.com/ic_416.mp3"
        },
        {
          "component_id": "ic_417",
          "type": "综合对话",
          "detail": "完成关于家庭的完整对话",
          "user_result": "perfect",
          "knowledge": "This is my [family member].",
          "audio": "https://audio.valavala.com/ic_417.mp3"
        },
        {
          "component_id": "ic_418",
          "type": "复习测验",
          "detail": "完成家庭知识点的综合复习",
          "user_result": "good",
          "knowledge": "Who is he/she? He/She is my [family member]."
        }
      ],
      "consolidation_exercises": [
        {
          "exercise_id": "ce_401",
          "type": "单词听选",
          "detail": "听录音，选择听到的家庭成员单词",
          "is_correct": true,
          "knowledge": "father"
        },
        {
          "exercise_id": "ce_402",
          "type": "单词拼写",
          "detail": "根据中文写出英文：爸爸",
          "is_correct": true,
          "knowledge": "father"
        },
        {
          "exercise_id": "ce_403",
          "type": "图文匹配",
          "detail": "将 mother 与妈妈图片匹配",
          "is_correct": true,
          "knowledge": "mother"
        },
        {
          "exercise_id": "ce_404",
          "type": "句型填空",
          "detail": "填空：This is my ______ (father/mother/brother).",
          "is_correct": true,
          "knowledge": "This is my [family member]."
        },
        {
          "exercise_id": "ce_405",
          "type": "关系识别",
          "detail": "Tom是爸爸的son，Tom是爸爸的什么人？",
          "is_correct": false,
          "knowledge": "brother"
        },
        {
          "exercise_id": "ce_406",
          "type": "句子排序",
          "detail": "排列句子：is / This / my / mother",
          "is_correct": true,
          "knowledge": "This is my [family member]."
        },
        {
          "exercise_id": "ce_407",
          "type": "听力理解",
          "detail": "听对话，回答问题：他们是什么关系？",
          "is_correct": true,
          "knowledge": "Who is he/she? He/She is my [family member]."
        },
        {
          "exercise_id": "ce_408",
          "type": "家庭关系",
          "detail": "爸爸的爸爸叫什么？",
          "is_correct": true,
          "knowledge": "father"
        },
        {
          "exercise_id": "ce_409",
          "type": "翻译练习",
          "detail": "翻译：这是我的姐姐。",
          "is_correct": true,
          "knowledge": "sister"
        },
        {
          "exercise_id": "ce_410",
          "type": "对话补全",
          "detail": "补全对话：A: Who is he? B: ______",
          "is_correct": true,
          "knowledge": "Who is he/she? He/She is my [family member]."
        },
        {
          "exercise_id": "ce_411",
          "type": "家庭识别",
          "detail": "根据描述选择正确的家庭成员",
          "is_correct": true,
          "knowledge": "brother"
        },
        {
          "exercise_id": "ce_412",
          "type": "角色配对",
          "detail": "将人物与正确的称呼配对",
          "is_correct": true,
          "knowledge": "sister"
        },
        {
          "exercise_id": "ce_413",
          "type": "连线匹配",
          "detail": "将家庭成员与中文意思连线",
          "is_correct": true,
          "knowledge": "mother"
        },
        {
          "exercise_id": "ce_414",
          "type": "判断正误",
          "detail": "判断：brother 可以是哥哥也可以是弟弟。",
          "is_correct": true,
          "knowledge": "brother"
        },
        {
          "exercise_id": "ce_415",
          "type": "选词填空",
          "detail": "She is my ______ (father/mother/sister).",
          "is_correct": true,
          "knowledge": "sister"
        },
        {
          "exercise_id": "ce_416",
          "type": "单词书写",
          "detail": "根据读音写出家庭成员单词",
          "is_correct": false,
          "knowledge": "mother"
        },
        {
          "exercise_id": "ce_417",
          "type": "完形填空",
          "detail": "阅读短文，填入正确的家庭成员单词",
          "is_correct": true,
          "knowledge": "father"
        },
        {
          "exercise_id": "ce_418",
          "type": "综合测验",
          "detail": "完成家庭单元综合测验",
          "is_correct": true,
          "knowledge": "This is my [family member]."
        }
      ]
    },
    {
      "lesson_id": 5,
      "lesson_name": "Lesson 5: Animals",
      "entry_time": "2024-01-19T09:30:00Z",
      "completion_time": "2024-01-19T10:05:45Z",
      "consolidation_entry_time": "2024-01-19T10:06:00Z",
      "consolidation_completion_time": "2024-01-19T10:25:00Z",
      "knowledge_points": {
        "words": [
          {
            "word": "cat",
            "meaning": "猫",
            "pos": "n."
          },
          {
            "word": "dog",
            "meaning": "狗",
            "pos": "n."
          },
          {
            "word": "bird",
            "meaning": "鸟",
            "pos": "n."
          },
          {
            "word": "fish",
            "meaning": "鱼",
            "pos": "n."
          }
        ],
        "sentence_patterns": [
          {
            "pattern": "It is a [animal].",
            "meaning": "这是一只[动物]。",
            "example": "It is a cat."
          },
          {
            "pattern": "I like [animal]s.",
            "meaning": "我喜欢[动物]。",
            "example": "I like dogs."
          }
        ]
      },
      "interactive_components": [
        {
          "component_id": "ic_501",
          "type": "单词跟读",
          "detail": "请跟读动物单词 cat，注意短元音",
          "user_result": "perfect",
          "knowledge": "cat",
          "audio": "https://audio.valavala.com/ic_501.mp3"
        },
        {
          "component_id": "ic_502",
          "type": "单词跟读",
          "detail": "请跟读动物单词 dog",
          "user_result": "good",
          "knowledge": "dog",
          "audio": "https://audio.valavala.com/ic_502.mp3"
        },
        {
          "component_id": "ic_503",
          "type": "单词听选",
          "detail": "听录音，选择正确的动物单词",
          "user_result": "perfect",
          "knowledge": "bird"
        },
        {
          "component_id": "ic_504",
          "type": "单词拼写",
          "detail": "根据发音，拼写出 fish",
          "user_result": "good",
          "knowledge": "fish"
        },
        {
          "component_id": "ic_505",
          "type": "句型跟读",
          "detail": "请跟读句型：It is a cat.",
          "user_result": "perfect",
          "knowledge": "It is a [animal].",
          "audio": "https://audio.valavala.com/ic_505.mp3"
        },
        {
          "component_id": "ic_506",
          "type": "动物声音辨识",
          "detail": "听动物叫声，选择正确的动物",
          "user_result": "good",
          "knowledge": "cat"
        },
        {
          "component_id": "ic_507",
          "type": "情景对话",
          "detail": "在情景中谈论自己喜欢的动物",
          "user_result": "oops",
          "knowledge": "I like [animal]s.",
          "audio": "https://audio.valavala.com/ic_507.mp3"
        },
        {
          "component_id": "ic_508",
          "type": "听力理解",
          "detail": "听录音，描述动物特征",
          "user_result": "perfect",
          "knowledge": "It is a [animal]."
        },
        {
          "component_id": "ic_509",
          "type": "语音识别",
          "detail": "请说出动物 bird",
          "user_result": "good",
          "knowledge": "bird",
          "audio": "https://audio.valavala.com/ic_509.mp3"
        },
        {
          "component_id": "ic_510",
          "type": "图文匹配",
          "detail": "将动物单词与对应图片匹配",
          "user_result": "perfect",
          "knowledge": "dog"
        },
        {
          "component_id": "ic_511",
          "type": "动物分类",
          "detail": "将动物分为天上飞的和地上跑的",
          "user_result": "good",
          "knowledge": "bird"
        },
        {
          "component_id": "ic_512",
          "type": "角色扮演",
          "detail": "扮演角色在动物园谈论动物",
          "user_result": "perfect",
          "knowledge": "It is a [animal].",
          "audio": "https://audio.valavala.com/ic_512.mp3"
        },
        {
          "component_id": "ic_513",
          "type": "动物习性配对",
          "detail": "将动物与其习性特点配对",
          "user_result": "good",
          "knowledge": "fish"
        },
        {
          "component_id": "ic_514",
          "type": "听指令模仿",
          "detail": "听指令模仿动物的叫声和动作",
          "user_result": "perfect",
          "knowledge": "cat",
          "audio": "https://audio.valavala.com/ic_514.mp3"
        },
        {
          "component_id": "ic_515",
          "type": "句型填空",
          "detail": "用动物填空：I like ______.",
          "user_result": "good",
          "knowledge": "I like [animal]s."
        },
        {
          "component_id": "ic_516",
          "type": "快速反应",
          "detail": "看到动物图片快速说出英文",
          "user_result": "perfect",
          "knowledge": "dog",
          "audio": "https://audio.valavala.com/ic_516.mp3"
        },
        {
          "component_id": "ic_517",
          "type": "综合对话",
          "detail": "完成关于动物的完整对话",
          "user_result": "good",
          "knowledge": "I like [animal]s.",
          "audio": "https://audio.valavala.com/ic_517.mp3"
        },
        {
          "component_id": "ic_518",
          "type": "复习测验",
          "detail": "完成动物知识点的综合复习",
          "user_result": "perfect",
          "knowledge": "It is a [animal]."
        }
      ],
      "consolidation_exercises": [
        {
          "exercise_id": "ce_501",
          "type": "单词听选",
          "detail": "听录音，选择听到的动物单词",
          "is_correct": true,
          "knowledge": "cat"
        },
        {
          "exercise_id": "ce_502",
          "type": "单词拼写",
          "detail": "根据中文写出英文：猫",
          "is_correct": true,
          "knowledge": "cat"
        },
        {
          "exercise_id": "ce_503",
          "type": "图文匹配",
          "detail": "将 dog 与狗的图片匹配",
          "is_correct": true,
          "knowledge": "dog"
        },
        {
          "exercise_id": "ce_504",
          "type": "句型填空",
          "detail": "填空：It is a ______ (cat/dog/bird).",
          "is_correct": true,
          "knowledge": "It is a [animal]."
        },
        {
          "exercise_id": "ce_505",
          "type": "动物识别",
          "detail": "看局部图，猜是什么动物？",
          "is_correct": false,
          "knowledge": "bird"
        },
        {
          "exercise_id": "ce_506",
          "type": "句子排序",
          "detail": "排列句子：is / It / a / cat",
          "is_correct": true,
          "knowledge": "It is a [animal]."
        },
        {
          "exercise_id": "ce_507",
          "type": "听力理解",
          "detail": "听描述，选择正确的动物",
          "is_correct": true,
          "knowledge": "dog"
        },
        {
          "exercise_id": "ce_508",
          "type": "动物分类",
          "detail": "选出会飞的动物",
          "is_correct": true,
          "knowledge": "bird"
        },
        {
          "exercise_id": "ce_509",
          "type": "翻译练习",
          "detail": "翻译：我喜欢狗。",
          "is_correct": true,
          "knowledge": "I like [animal]s."
        },
        {
          "exercise_id": "ce_510",
          "type": "对话补全",
          "detail": "补全对话：A: What's this? B: ______",
          "is_correct": true,
          "knowledge": "It is a [animal]."
        },
        {
          "exercise_id": "ce_511",
          "type": "动物习性",
          "detail": "鱼生活在哪里？",
          "is_correct": true,
          "knowledge": "fish"
        },
        {
          "exercise_id": "ce_512",
          "type": "声音辨识",
          "detail": "听叫声，选择动物",
          "is_correct": true,
          "knowledge": "cat",
          "audio": "https://audio.valavala.com/ce_512.mp3"
        },
        {
          "exercise_id": "ce_513",
          "type": "连线匹配",
          "detail": "将动物与中文意思连线",
          "is_correct": true,
          "knowledge": "fish"
        },
        {
          "exercise_id": "ce_514",
          "type": "判断正误",
          "detail": "判断：bird 会飞。",
          "is_correct": true,
          "knowledge": "bird"
        },
        {
          "exercise_id": "ce_515",
          "type": "选词填空",
          "detail": "I like ______ (cat/cats/fishs).",
          "is_correct": false,
          "knowledge": "I like [animal]s."
        },
        {
          "exercise_id": "ce_516",
          "type": "单词书写",
          "detail": "根据读音写出动物单词",
          "is_correct": true,
          "knowledge": "dog"
        },
        {
          "exercise_id": "ce_517",
          "type": "完形填空",
          "detail": "阅读短文，填入正确的动物单词",
          "is_correct": true,
          "knowledge": "cat"
        },
        {
          "exercise_id": "ce_518",
          "type": "综合测验",
          "detail": "完成动物单元综合测验",
          "is_correct": true,
          "knowledge": "I like [animal]s."
        }
      ]
    }
  ],
  "ability_training": [
    {
      "question_id": "at_001",
      "source": "Lesson 1",
      "type": "听力",
      "title": "听力理解 - 日常对话",
      "detail": "听一段关于问候的日常对话，回答5个相关问题",
      "sub_question_count": 5,
      "sub_question_correct": 5,
      "result": "perfect"
    },
    {
      "question_id": "at_002",
      "source": "Lesson 2",
      "type": "阅读",
      "title": "阅读理解 - 数字故事",
      "detail": "阅读一篇关于数字的小故事，回答6个理解性问题",
      "sub_question_count": 6,
      "sub_question_correct": 5,
      "result": "good"
    },
    {
      "question_id": "at_003",
      "source": "Lesson 3",
      "type": "口语",
      "title": "口语表达 - 描述颜色",
      "detail": "根据图片提示，用英文描述物品的颜色，共4道小题",
      "sub_question_count": 4,
      "sub_question_correct": 3,
      "result": "good",
      "audio": "https://audio.valavala.com/at_003.mp3"
    },
    {
      "question_id": "at_004",
      "source": "Lesson 4",
      "type": "写作",
      "title": "写作练习 - 我的家庭",
      "detail": "根据提示写一篇关于家庭的短文，包含8个要点",
      "sub_question_count": 8,
      "sub_question_correct": 6,
      "result": "oops"
    },
    {
      "question_id": "at_005",
      "source": "Lesson 5",
      "type": "听力",
      "title": "听力理解 - 动物声音",
      "detail": "听各种动物的声音，辨识并写出对应的英文单词",
      "sub_question_count": 5,
      "sub_question_correct": 4,
      "result": "good"
    },
    {
      "question_id": "at_006",
      "source": "单元挑战",
      "type": "阅读",
      "title": "综合阅读 - Hello World",
      "detail": "阅读单元主题文章，回答7个综合性理解问题",
      "sub_question_count": 7,
      "sub_question_correct": 7,
      "result": "perfect"
    },
    {
      "question_id": "at_007",
      "source": "单元挑战",
      "type": "口语",
      "title": "口语表达 - 自我介绍",
      "detail": "进行完整的自我介绍，包含问候、姓名、年龄、喜欢的颜色、家庭成员、宠物等8个要点",
      "sub_question_count": 8,
      "sub_question_correct": 5,
      "result": "oops",
      "audio": "https://audio.valavala.com/at_007.mp3"
    },
    {
      "question_id": "at_008",
      "source": "单元挑战",
      "type": "写作",
      "title": "写作练习 - 我的教室",
      "detail": "根据图片提示，写一篇关于教室的短文，描述颜色、数字、物品等",
      "sub_question_count": 6,
      "sub_question_correct": 5,
      "result": "good"
    },
    {
      "question_id": "at_009",
      "source": "单元挑战",
      "type": "听力",
      "title": "综合听力 - 单元回顾",
      "detail": "听综合对话，涵盖本单元所有知识点，回答5个问题",
      "sub_question_count": 5,
      "sub_question_correct": 4,
      "result": "good"
    }
  ],
  "summary": {
    "total_lessons": 5,
    "completed_lessons": 1,
    "total_interactive_components": 18,
    "total_consolidation_exercises": 18,
    "mastery_rate": 0.85,
    "study_duration_minutes": 25
  }
}