{
  "id": "ledu-chapter3",
  "book_id": "ledu",
  "name": "生命在于运动 (Life Lies in Movement)",
  "description": "Comprehensive chapter on sports, fitness, healthy lifestyle, and the importance of making exercise a habit. Includes reading about ping-pong history and Chinese sports culture.",
  "difficulty": "intermediate",
  "language": "zh-CN",
  "chapter_number": "3",
  "metadata": {
    "version": "1.0",
    "created": "2025-10-14",
    "updated": "2025-10-14",
    "source": "LEDU Textbook - Jiaotong University",
    "target_level": "intermediate",
    "estimated_hours": 10,
    "prerequisites": ["ledu-chapter1", "ledu-chapter2"],
    "learning_objectives": [
      "Master 35+ sports and fitness vocabulary terms",
      "Understand strategies for building exercise habits",
      "Learn about ping-pong history and sports in China",
      "Practice reading comprehension with authentic texts",
      "Develop contextual vocabulary inference skills"
    ],
    "content_tags": ["sports", "fitness", "health", "habits", "chinese-culture", "ping-pong"],
    "completion_criteria": {
      "vocabulary_mastery": 90,
      "comprehension_score": 80,
      "exercises_completed": 18
    }
  },
  "vocabulary": {
    "习惯": {
      "pronunciation": "xíguàn",
      "type": "noun",
      "user_language": "habit",
      "examples": ["成为习惯", "生活习惯", "好习惯"],
      "notes": "Can also be used as verb meaning 'to be accustomed to'"
    },
    "健身": {
      "pronunciation": "jiànshēn",
      "type": "verb",
      "user_language": "to work out, to do fitness",
      "examples": ["健身房", "健身运动"],
      "notes": "Very common word for working out or exercising"
    },
    "压力": {
      "pronunciation": "yālì",
      "type": "noun",
      "user_language": "pressure, stress",
      "examples": ["生活压力", "工作压力", "压力大"]
    },
    "锻炼": {
      "pronunciation": "duànliàn",
      "type": "verb",
      "user_language": "to exercise, to work out",
      "examples": ["锻炼身体", "锻炼能力"]
    },
    "身材": {
      "pronunciation": "shēncái",
      "type": "noun",
      "user_language": "figure, physique",
      "examples": ["身材苗条", "中等身材"]
    },
    "放松": {
      "pronunciation": "fàngsōng",
      "type": "verb",
      "user_language": "to relax, to loosen up",
      "examples": ["放松肌肉", "放松心情", "放松身心"]
    },
    "坚持": {
      "pronunciation": "jiānchí",
      "type": "verb",
      "user_language": "to persist, to persevere",
      "examples": ["坚持运动", "坚持自己的意见", "坚持下来"]
    },
    "适应": {
      "pronunciation": "shìyìng",
      "type": "verb",
      "user_language": "to adapt, to adjust to",
      "examples": ["适应生活", "适应环境"]
    },
    "强度": {
      "pronunciation": "qiángdù",
      "type": "noun",
      "user_language": "intensity",
      "examples": ["运动强度", "工作强度"]
    },
    "体": {
      "pronunciation": "tǐ",
      "type": "noun/morpheme",
      "user_language": "body",
      "examples": ["体重", "体育", "物体", "体验"],
      "notes": "Usually used as morpheme, not alone"
    },
    "力": {
      "pronunciation": "lì",
      "type": "noun/morpheme",
      "user_language": "force, power",
      "examples": ["体力", "风力", "听力", "视力"],
      "notes": "Usually used as morpheme"
    },
    "伦敦": {
      "pronunciation": "Lúndūn",
      "type": "proper noun",
      "user_language": "London"
    },
    "绳子": {
      "pronunciation": "shéngzi",
      "type": "noun",
      "user_language": "rope"
    },
    "软木塞": {
      "pronunciation": "ruǎnmùsāi",
      "type": "noun",
      "user_language": "cork"
    },
    "欧洲": {
      "pronunciation": "Ōuzhōu",
      "type": "proper noun",
      "user_language": "Europe"
    },
    "流行": {
      "pronunciation": "liúxíng",
      "type": "verb",
      "user_language": "to be popular, to prevail"
    },
    "世乒赛": {
      "pronunciation": "Shìpīngsài",
      "type": "proper noun",
      "user_language": "World Table Tennis Championships"
    },
    "举办": {
      "pronunciation": "jǔbàn",
      "type": "verb",
      "user_language": "to hold, to organize (an event)"
    },
    "娱乐": {
      "pronunciation": "yúlè",
      "type": "verb/noun",
      "user_language": "to entertain; entertainment"
    },
    "东亚": {
      "pronunciation": "Dōng Yà",
      "type": "proper noun",
      "user_language": "East Asia"
    },
    "接触": {
      "pronunciation": "jiēchù",
      "type": "verb",
      "user_language": "to touch, to have contact with"
    },
    "技巧": {
      "pronunciation": "jìqiǎo",
      "type": "noun",
      "user_language": "technique, skill"
    },
    "胜": {
      "pronunciation": "shèng",
      "type": "verb",
      "user_language": "to win, to triumph"
    },
    "冠军": {
      "pronunciation": "guànjūn",
      "type": "noun",
      "user_language": "champion"
    },
    "迎战": {
      "pronunciation": "yíngzhàn",
      "type": "verb",
      "user_language": "to face (in a match)"
    },
    "击败": {
      "pronunciation": "jībài",
      "type": "verb",
      "user_language": "to defeat, to beat"
    },
    "以弱胜强": {
      "pronunciation": "yǐ ruò shèng qiáng",
      "type": "idiom",
      "user_language": "to defeat the strong with the weak"
    },
    "瑜伽": {
      "pronunciation": "yújiā",
      "type": "noun",
      "user_language": "yoga"
    },
    "街舞": {
      "pronunciation": "jiēwǔ",
      "type": "noun",
      "user_language": "street dance"
    },
    "肚皮舞": {
      "pronunciation": "dùpíwǔ",
      "type": "noun",
      "user_language": "belly dance"
    },
    "拉丁舞": {
      "pronunciation": "lādīngwǔ",
      "type": "noun",
      "user_language": "Latin dance"
    },
    "芭蕾舞": {
      "pronunciation": "bālěiwǔ",
      "type": "noun",
      "user_language": "ballet"
    },
    "有氧操": {
      "pronunciation": "yǒuyǎngcāo",
      "type": "noun",
      "user_language": "aerobics"
    },
    "普拉提": {
      "pronunciation": "pǔlātí",
      "type": "noun",
      "user_language": "Pilates"
    },
    "便": {
      "pronunciation": "biàn",
      "type": "adverb",
      "user_language": "then, therefore (written language)",
      "examples": ["他很好学，不懂便问", "他们俩大学一毕业便结婚了"],
      "notes": "Written Chinese, means '就'"
    },
    "以": {
      "pronunciation": "yǐ",
      "type": "preposition",
      "user_language": "with, to use (written language)",
      "examples": ["孩子不应该以这种态度跟父母说话", "以什么样的方法教孩子"],
      "notes": "Written Chinese, means '用'"
    },
    "着迷": {
      "pronunciation": "zháomí",
      "type": "verb",
      "user_language": "to be fascinated, to be captivated"
    },
    "只要": {
      "pronunciation": "zhǐyào",
      "type": "conjunction",
      "user_language": "as long as, so long as"
    },
    "改变": {
      "pronunciation": "gǎibiàn",
      "type": "verb",
      "user_language": "to change"
    },
    "生活方式": {
      "pronunciation": "shēnghuó fāngshì",
      "type": "noun",
      "user_language": "lifestyle"
    },
    "成为": {
      "pronunciation": "chéngwéi",
      "type": "verb",
      "user_language": "to become"
    },
    "舒服": {
      "pronunciation": "shūfu",
      "type": "adjective",
      "user_language": "comfortable"
    },
    "秘诀": {
      "pronunciation": "mìjué",
      "type": "noun",
      "user_language": "secret, key, tip"
    },
    "定": {
      "pronunciation": "dìng",
      "type": "verb",
      "user_language": "to fix, to set"
    },
    "运动量": {
      "pronunciation": "yùndòngliàng",
      "type": "noun",
      "user_language": "amount of exercise"
    },
    "慢慢地": {
      "pronunciation": "mànmàn de",
      "type": "adverb",
      "user_language": "slowly, gradually"
    },
    "加大": {
      "pronunciation": "jiādà",
      "type": "verb",
      "user_language": "to increase, to enlarge"
    },
    "尝试": {
      "pronunciation": "chángshì",
      "type": "verb",
      "user_language": "to try, to attempt"
    },
    "项目": {
      "pronunciation": "xiàngmù",
      "type": "noun",
      "user_language": "project, item, event"
    },
    "部位": {
      "pronunciation": "bùwèi",
      "type": "noun",
      "user_language": "part, location (of body)"
    },
    "增加": {
      "pronunciation": "zēngjiā",
      "type": "verb",
      "user_language": "to increase, to add"
    },
    "偷懒": {
      "pronunciation": "tōulǎn",
      "type": "verb",
      "user_language": "to be lazy, to slack off"
    },
    "装备": {
      "pronunciation": "zhuāngbèi",
      "type": "noun",
      "user_language": "equipment, gear"
    },
    "穿戴": {
      "pronunciation": "chuāndài",
      "type": "verb",
      "user_language": "to wear, to put on"
    },
    "准备": {
      "pronunciation": "zhǔnbèi",
      "type": "verb",
      "user_language": "to prepare, to get ready"
    },
    "变成": {
      "pronunciation": "biànchéng",
      "type": "verb",
      "user_language": "to become, to turn into"
    },
    "当然": {
      "pronunciation": "dāngrán",
      "type": "adverb",
      "user_language": "of course, naturally"
    },
    "愿意": {
      "pronunciation": "yuànyì",
      "type": "auxiliary verb",
      "user_language": "willing, to be willing"
    },
    "重要": {
      "pronunciation": "zhòngyào",
      "type": "adjective",
      "user_language": "important"
    },
    "据说": {
      "pronunciation": "jùshuō",
      "type": "verb",
      "user_language": "it is said, allegedly"
    },
    "世纪": {
      "pronunciation": "shìjì",
      "type": "noun",
      "user_language": "century"
    },
    "天气": {
      "pronunciation": "tiānqì",
      "type": "noun",
      "user_language": "weather"
    },
    "网球": {
      "pronunciation": "wǎngqiú",
      "type": "noun",
      "user_language": "tennis"
    },
    "办法": {
      "pronunciation": "bànfǎ",
      "type": "noun",
      "user_language": "method, way, solution"
    },
    "餐桌": {
      "pronunciation": "cānzhuō",
      "type": "noun",
      "user_language": "dining table"
    },
    "诞生": {
      "pronunciation": "dànshēng",
      "type": "verb",
      "user_language": "to be born, to come into being"
    },
    "出现": {
      "pronunciation": "chūxiàn",
      "type": "verb",
      "user_language": "to appear, to emerge"
    },
    "不久": {
      "pronunciation": "bùjiǔ",
      "type": "noun",
      "user_language": "soon, before long"
    },
    "受欢迎": {
      "pronunciation": "shòu huānyíng",
      "type": "verb phrase",
      "user_language": "to be popular, to be welcomed"
    },
    "各国": {
      "pronunciation": "gèguó",
      "type": "noun",
      "user_language": "various countries"
    },
    "起源地": {
      "pronunciation": "qǐyuándì",
      "type": "noun",
      "user_language": "place of origin"
    },
    "成绩": {
      "pronunciation": "chéngjī",
      "type": "noun",
      "user_language": "result, achievement, grade"
    },
    "当作": {
      "pronunciation": "dàngzuò",
      "type": "verb",
      "user_language": "to regard as, to treat as"
    },
    "活动": {
      "pronunciation": "huódòng",
      "type": "noun",
      "user_language": "activity"
    },
    "来到": {
      "pronunciation": "láidào",
      "type": "verb",
      "user_language": "to arrive, to come to"
    },
    "场地": {
      "pronunciation": "chǎngdì",
      "type": "noun",
      "user_language": "venue, space, field"
    },
    "用具": {
      "pronunciation": "yòngjù",
      "type": "noun",
      "user_language": "equipment, utensil"
    },
    "简单": {
      "pronunciation": "jiǎndān",
      "type": "adjective",
      "user_language": "simple, easy"
    },
    "另外": {
      "pronunciation": "lìngwài",
      "type": "conjunction",
      "user_language": "in addition, besides"
    },
    "喜欢": {
      "pronunciation": "xǐhuan",
      "type": "verb",
      "user_language": "to like"
    },
    "身体": {
      "pronunciation": "shēntǐ",
      "type": "noun",
      "user_language": "body"
    },
    "取胜": {
      "pronunciation": "qǔshèng",
      "type": "verb",
      "user_language": "to win, to triumph"
    },
    "因此": {
      "pronunciation": "yīncǐ",
      "type": "conjunction",
      "user_language": "therefore, thus"
    },
    "发展": {
      "pronunciation": "fāzhǎn",
      "type": "verb",
      "user_language": "to develop"
    },
    "多年来": {
      "pronunciation": "duō nián lái",
      "type": "phrase",
      "user_language": "for many years"
    },
    "世界": {
      "pronunciation": "shìjiè",
      "type": "noun",
      "user_language": "world"
    },
    "比赛": {
      "pronunciation": "bǐsài",
      "type": "noun",
      "user_language": "competition, match"
    },
    "选手": {
      "pronunciation": "xuǎnshǒu",
      "type": "noun",
      "user_language": "player, athlete"
    },
    "叫": {
      "pronunciation": "jiào",
      "type": "verb",
      "user_language": "to call, to be called"
    },
    "从此": {
      "pronunciation": "cóngcǐ",
      "type": "adverb",
      "user_language": "from then on, since then"
    },
    "传到": {
      "pronunciation": "chuándào",
      "type": "verb",
      "user_language": "to spread to, to reach"
    },
    "目前": {
      "pronunciation": "mùqián",
      "type": "noun",
      "user_language": "currently, at present"
    },
    "水平": {
      "pronunciation": "shuǐpíng",
      "type": "noun",
      "user_language": "level, standard"
    },
    "国球": {
      "pronunciation": "guóqiú",
      "type": "noun",
      "user_language": "national ball game"
    }
  },
  "grammar": {
    "既-又-也": {
      "title": "既……（，）又/也…… - both...and...",
      "pattern": "既 + Adj/Verb + 又/也 + Adj/Verb",
      "explanation": "Used to express that something has two qualities or characteristics at the same time",
      "examples": [
        {
          "chinese": "这个孩子既聪明又可爱。",
          "pronunciation": "Zhège háizi jì cōngming yòu kě'ài.",
          "translation": "This child is both intelligent and cute."
        },
        {
          "chinese": "他既会踢足球，也会打篮球。",
          "pronunciation": "Tā jì huì tī zúqiú, yě huì dǎ lánqiú.",
          "translation": "He can both play soccer and basketball."
        },
        {
          "chinese": "不同的运动既能锻炼身体的不同部位，也可以增加运动的乐趣。",
          "pronunciation": "Bùtóng de yùndòng jì néng duànliàn shēntǐ de bùtóng bùwèi, yě kěyǐ zēngjiā yùndòng de lèqù.",
          "translation": "Different sports can both train different parts of the body and increase the enjoyment of exercise."
        }
      ]
    },
    "便-written": {
      "title": "便 (biàn) - then, therefore (written language)",
      "explanation": "Used in written Chinese to mean '就' (then, therefore). More formal than 就.",
      "examples": [
        {
          "chinese": "他很好学，不懂便问。",
          "pronunciation": "Tā hěn hàoxué, bù dǒng biàn wèn.",
          "translation": "He is studious; when he doesn't understand, he asks right away."
        },
        {
          "chinese": "他们俩大学一毕业便结婚了。",
          "pronunciation": "Tāmen liǎ dàxué yī bìyè biàn jiéhūn le.",
          "translation": "As soon as they graduated from university, they got married."
        }
      ]
    },
    "以-written": {
      "title": "以 (yǐ) - with, to use (written language)",
      "explanation": "Used in written Chinese to mean '用' (to use). More formal writing style.",
      "examples": [
        {
          "chinese": "孩子不应该以这种态度跟父母说话。",
          "pronunciation": "Háizi bù yīnggāi yǐ zhè zhǒng tàidu gēn fùmǔ shuōhuà.",
          "translation": "A child should not speak to parents with this kind of attitude."
        },
        {
          "chinese": "父母要好好想一想，以什么样的方法教孩子更好。",
          "pronunciation": "Fùmǔ yào hǎohao xiǎng yīxiǎng, yǐ shénme yàng de fāngfǎ jiāo háizi gèng hǎo.",
          "translation": "Parents should think carefully about what method to use to teach their children better."
        }
      ]
    }
  },
  "texts": [
    {
      "id": "main-text",
      "title": "让运动成为习惯 (Make Exercise Become a Habit)",
      "type": "main",
      "content": "让运动成为习惯？很多人觉得上班都那么忙、那么累了，哪里有时间和力气去运动健身？但有健身经验的人便会明白，压力越大越应该锻炼，因为它不仅可以让你拥有好身材，而且可以放松身心，带给人健康和快乐。\n\n其实，万事开头难，只要改变一下你的生活方式，把开头的那一段日子坚持下来，就能让你对运动着迷。每天的健身就会跟吃饭、睡觉一样，成为你生活中不可缺少的一部分，哪天不运动你就会觉得不舒服。那么，让运动成为习惯有哪些秘诀呢？\n\n第一，定好运动的时间，每天都是这个时间，不要改变。\n\n第二，开始时运动量不要太大，只锻炼10～15分钟就可以了，而且不要做强度太大的运动，要让你的身体慢慢地适应。然后可以慢慢地加大运动量和运动强度，不过最少在两周以后再这样做。\n\n第三，多尝试几种运动项目，不同的运动既能锻炼身体的不同部位，也可以增加运动的乐趣。\n\n第四，和朋友一起去健身，这样如果想要偷懒，会有人看着你。\n\n第五，给自己买些开心的运动装备，穿戴上它们会让自己的身心做好准备。\n\n第六，让运动变成一种快乐，如果运动让你感到快乐，你当然愿意去做。\n\n当然，最重要的一点——贵在坚持。",
      "wordCount": 488,
      "questions": [
        {
          "question": "课文中提到了哪些让运动成为习惯的方法？",
          "type": "open",
          "answer": "六个方法加一个重点：1)定好时间 2)开始时运动量不要太大 3)多尝试几种运动 4)和朋友一起 5)买开心的运动装备 6)让运动变成快乐 重点：贵在坚持"
        },
        {
          "question": "句子中的"它"说的是：A压力 B锻炼",
          "type": "multiple_choice",
          "options": ["A压力", "B锻炼"],
          "correctAnswer": "B锻炼"
        },
        {
          "question": "让运动成为习惯最重要的是什么？",
          "type": "multiple_choice",
          "options": ["A找到喜欢的运动", "B定好运动的时间", "C多尝试几种运动", "D要每天坚持运动"],
          "correctAnswer": "D要每天坚持运动"
        }
      ]
    },
    {
      "id": "pingpong-text",
      "title": "乒乓球的由来 (The Origin of Ping-Pong)",
      "type": "extensive",
      "content": "乒乓球英文叫作table tennis，它是怎么来的呢？据说，在19世纪末的一天，伦敦天气非常热，而且有雨。有两个年轻人不能去外边打网球，就想了一个办法，以饭馆的大餐桌作球台，中间用绳子作网，酒瓶的软木塞作球，用烟盒打球。女店主见到了，大声说"Table Tennis！Table Tennis！"就这样，乒乓球运动诞生了。\n\n乒乓球出现后不久，便成了一种很受欢迎的运动，在欧洲各国流行。1926年，第一届世乒赛在乒乓球的起源地——伦敦举办，但英国人的比赛成绩不太好，他们没有真正重视这项运动，只是把乒乓球当作娱乐活动。\n\n乒乓球运动在20世纪初来到东亚。东亚国家人多地少，乒乓球只需要很小的场地，用具也很简单，室内室外都可以打。另外，东亚人更喜欢没有身体接触的运动，讲究以技巧取胜。因此乒乓球在东亚很受欢迎，快速发展了起来。多年来，世界上各种乒乓球比赛的冠军大多是中、日、韩等东亚国家的选手。\n\n为什么叫"乒乓球"呢？20世纪初，一位美国乒乓球用具生产商以打乒乓球时发出的"ping-pong"声作为商标名。从此，ping-pong成了乒乓球的另一个英文名。传到中国后，中文里就有了"乒乓球"这个新词。中国人喜爱打乒乓球，是目前世界上乒乓球运动水平最高的国家之一，乒乓球也被中国人叫作"国球"。",
      "wordCount": 483,
      "questions": [
        {
          "question": "说说乒乓球运动是怎么来的。",
          "type": "open",
          "answer": "19世纪末伦敦，两个年轻人因为下雨不能去外面打网球，用餐桌、绳子、软木塞和烟盒创造了这项运动"
        },
        {
          "question": "乒乓球运动最早起源于英国，为什么却在东亚地区快速发展起来？",
          "type": "open",
          "answer": "因为东亚人多地少，乒乓球场地小、用具简单；东亚人喜欢没有身体接触的运动，讲究技巧"
        }
      ]
    }
  ],
  "exercises": [
    {
      "type": "character_inference",
      "title": "根据搭配的词语猜测词义",
      "questions": [
        {
          "question": "运动不仅可以强身健体，而且可以带来快乐。",
          "options": ["A只有", "B不管", "C不但"],
          "correctAnswer": "C不但"
        },
        {
          "question": "他不想干这么累的活儿。",
          "options": ["A工作", "B运动", "C学习"],
          "correctAnswer": "A工作"
        }
      ]
    }
  ]
}