Unit 3 Keep Fit 知识点清单 2025-2026学年人教版英语七年级下册

该初中英语Unit 3 Keep Fit复习讲义通过主题分类与结构化梳理构建知识体系，将核心单词按运动健身、频率副词、物主代词等类别详解，重点短语分健康运动、日常习惯、固定搭配模块呈现，核心语法以频率副词用法、物主代词辨析、重点句型为框架，用对比表格展示形容词性与名词性物主代词转换关系，清晰呈现知识脉络与重难点联系。 讲义亮点在于“能力导向”的复习设计，写作指导提供“开头点题-中间分点阐述-结尾升华”模板及范文，引导学生运用频率副词、核心短语等表达，提升语言组织与表达能力，培养语言素养。易错点总结通过错误案例分析，如频率副词位置及exercise可数不可数辨析，帮助学生精准把握知识，提升思维品质。资料含高频考点清单与答题句型库，支持学生自主复习明确方向，助力教师实施精准教学。

人教版七年级英语下册Unit 3 Keep Fit 知识点清单 核心重点单词（分类详解） 一、运动健身类（必背） 1. fit /fɪt/ adj. 健康的；强健的 1. exercise /ˈeksəsaɪz/ n. 运动；锻炼；练习 v. 锻炼；练习 1. sport /spɔːt/ n. 体育运动 1. basketball /ˈbɑːskɪtbɔːl/ n. 篮球 1. baseball /ˈbeɪsbɔːl/ n. 棒球 1. ping-pong /ˈpɪŋ pɒŋ/ n. 乒乓球 1. badminton /ˈbædmɪntən/ n. 羽毛球 1. tennis /ˈtenɪs/ n. 网球 1. skateboarding /ˈskeɪtbɔːdɪŋ/ n. 滑板运动 1. jogging /ˈdʒɒɡɪŋ/ n. 慢跑 1. swimming /ˈswɪmɪŋ/ n. 游泳 1. rope /rəʊp/ n. 绳 1. shoe /ʃuː/ n. 鞋 1. mat /mæt/ n. 垫子 1. bat /bæt/ n. 球拍 1. racket /ˈrækɪt/ n. （网球、羽毛球）球拍 1. glove /ɡlʌv/ n. 手套 1. practise /ˈpræktɪs/ v. 练习（英式） 1. practice /ˈpræktɪs/ v./n. 练习（美式） 1. team /tiːm/ n. 团队；队伍 二、频率副词及短语（核心考点） 1. never /ˈnevə(r)/ adv. 从不 1. hardly ever /ˈhɑːdli ˈevə(r)/ adv. 几乎不 1. seldom /ˈseldəm/ adv. 很少 1. sometimes /ˈsʌmtaɪmz/ adv. 有时 1. usually /ˈjuːʒuəli/ adv. 通常 1. always /ˈɔːlweɪz/ adv. 总是 1. once a week 一周一次 1. twice a week 一周两次 1. three times a week 一周三次 1. every day 每天 1. at weekends 在周末 三、物主代词类（语法核心） 1. my /maɪ/ pron. 我的 1. your /jɔː(r)/ pron. 你的；你们的 1. his /hɪz/ pron. 他的 1. her /hɜː(r)/ pron. 她的 1. our /ˈaʊə(r)/ pron. 我们的 1. their /ðeə(r)/ pron. 他们的 1. mine /maɪn/ pron. 我的（名词性） 1. yours /jɔːz/ pron. 你的；你们的（名词性） 1. his /hɪz/ pron. 他的（名词性） 1. hers /hɜːz/ pron. 她的（名词性） 1. ours /ˈaʊəz/ pron. 我们的（名词性） 1. theirs /ðeəz/ pron. 他们的（名词性） 四、其他重点单词 1. progress /ˈprəʊɡres/ n. 进步 1. spirit /ˈspɪrɪt/ n. 精神 1. energy /ˈenədʒi/ n. 精力；活力 1. important /ɪmˈpɔːtnt/ adj. 重要的 1. healthy /ˈhelθi/ adj. 健康的 1. fun /fʌn/ adj. 有趣的 n. 乐趣 1. cool /kuːl/ adj. 酷的；凉爽的 1. difficult /ˈdɪfɪkəlt/ adj. 困难的 1. easy /ˈiːzi/ adj. 容易的 1. help /help/ v./n. 帮助 1. keep /kiːp/ v. 保持；保留 1. build /bɪld/ v. 建立；培养 1. enjoy /ɪnˈdʒɔɪ/ v. 享受；喜爱 1. follow /ˈfɒləʊ/ v. 遵循；跟随 重点短语（高频必背） 一、健康运动类短语 1. keep fit 保持健康 2. keep healthy 保持健康 3. do exercise 做运动 4. do sports 做运动 5. play sports 进行体育运动 6. play basketball 打篮球 7. play baseball 打棒球 8. play ping-pong 打乒乓球 9. play badminton 打羽毛球 10. play tennis 打网球 11. go skateboarding 去滑滑板 12. go jogging 去慢跑 13. go swimming 去游泳 14. jump rope 跳绳 15. running shoes 跑鞋 16. exercise mat 运动垫 17. ping-pong bat 乒乓球拍 18. tennis racket 网球拍 19. baseball glove 棒球手套 20. work out 锻炼；健身 21. use an exercise app 使用健身应用软件 22. school baseball club 学校棒球俱乐部 二、日常习惯类短语 1. at least 至少 2. stay up late 熬夜 3. early to bed 早睡 4. early to rise 早起 5. full of energy 精力充沛 6. build team spirit 培养团队精神 7. good eating habits 良好的饮食习惯 8. balanced diet 均衡饮食 9. junk food 垃圾食品 10. every morning 每天早上 11. after school 放学后 12. on the field 在赛场上 13. off the field 在赛场外 14. work as a team 团队协作 15. win or lose 输赢 三、固定搭配与谚语 1. practice makes perfect 熟能生巧 2. help sb. (to) do sth. 帮助某人做某事 3. like doing sth. 喜欢做某事 4. want to do sth. 想要做某事 5. need to do sth. 需要做某事 6. learn from sb. 向某人学习 7. decide to do sth. 决定做某事 8. instead of 代替；而不是 9. be good for 对……有好处 10. be bad for 对……有害处 单元核心语法（精讲+例句） 语法一：频率副词的用法（必考） 1. 频率排序（从低到高） never（从不）→ hardly ever（几乎不）→ seldom（很少）→ sometimes（有时）→ usually（通常）→ always（总是） 2. 位置规则 1. 放在be动词、情态动词、助动词之后 例句：She is always busy.（她总是很忙。） 1. 放在实义动词之前 例句：I usually walk to school.（我通常步行去上学。） 1. sometimes可放句首、句中、句末 例句：Sometimes I play badminton. = I sometimes play badminton. = I play badminton sometimes. 3. 提问方式 对频率提问用How often（多久一次） 例句：—How often do you go swimming? —Twice a week. 语法二：物主代词（形容词性vs名词性） 1. 形容词性物主代词 1. 用法：后接名词，不能单独使用，修饰名词 1. 词汇：my, your, his, her, our, their 1. 例句：This is my ping-pong bat.（这是我的乒乓球拍。） 2. 名词性物主代词 1. 用法：单独使用，相当于“形容词性物主代词+名词”，后不接名词 1. 词汇：mine, yours, his, hers, ours, theirs 1. 例句：This ping-pong bat is mine.（这个乒乓球拍是我的。） 3. 转换公式 形容词性物主代词 + 名词 = 名词性物主代词 例句：her racket = hers；their baseballs = theirs 4. 易混辨析 1. his：既是形容词性，也是名词性物主代词 1. its：既是形容词性，也是名词性物主代词 语法三：It's + 形容词 + to do sth. 句型 1. 含义：做某事是……的 1. 结构：It's + 形容词 + to + 动词原形 1. 例句： a. It's important to keep fit.（保持健康很重要。） b. It's easy to do exercise every day.（每天做运动很容易。） c. It's good for us to go swimming.（游泳对我们有好处。） 语法四：like doing sth. 用法 1. 含义：喜欢做某事（表示长期的爱好、习惯） 1. 例句： d. I like playing basketball.（我喜欢打篮球。） e. She likes skateboarding very much.（她非常喜欢滑滑板。） 1. 拓展：like to do sth. 偶尔喜欢做某事 核心句型（交际+答题+写作） 一、询问与回答运动频率 1. —How often do you do exercise? —I do exercise every day. 2. —How often does he play badminton? —He plays it three times a week. 3. —Do you often go jogging? —Yes, I do. / No, I seldom do. 4. —Does she usually swim? —No, she never swims. 二、物品归属问答（物主代词专用） 1. —Is this your baseball glove? —Yes, it's mine. / No, it isn't mine. It's his. 2. —Are these your running shoes? —Yes, they are ours. / No, they are theirs. 3. —Whose tennis racket is this? —It's Li Ming's. 4. —Whose exercise mat is that? —It's hers. 三、谈论运动喜好与好处 1. —What's your favourite sport? —My favourite sport is swimming. 2. I like skateboarding because it's cool. 3. Doing sports can help us keep fit. 4. Baseball builds team spirit for us. 5. Jogging makes me full of energy. 四、建议类句型 1. You should do exercise every day. 2. We should go to bed early. 3. Don't stay up late. 4. You can play sports with your friends. 五、课文核心句型 1. How do we keep fit? 2. My friends and I practise twice a week. 3. My favourite way of keeping fit is to use an exercise app. 4. I'm in the school baseball club. 5. We work as a team, and we win or lose as a team. 6. Exercise shapes your body and mind. 重难点句子+语音知识+易错点 一、课文重难点句子（详解） 1. How do we keep fit? 译文：我们如何保持健康？ 解析：本句为单元核心问句，keep fit为固定短语，同义句：How can we keep healthy? 2. I like skateboarding very much. My friends and I practise at a special park twice a week. 译文：我非常喜欢滑滑板。我和我的朋友们每周在一个特殊的公园练习两次。 解析：like doing sth. 表长期爱好；twice a week表频率，用how often提问。 3. My favourite way of keeping fit is to use an exercise app to work out. 译文：我最喜欢的健身方式是使用健身APP锻炼。 解析：of keeping fit作后置定语，修饰way；to use...作表语。 4. Baseball also builds team spirit. All of us are good friends, both on and off the field. 译文：棒球还能培养团队精神。我们所有人在赛场内外都是好朋友。 解析：build team spirit培养团队精神；both...and...两者都。 5. I'm always full of energy after jogging. 译文：慢跑后我总是精力充沛。 解析：full of energy精力充沛，固定搭配。 6. It's good for me because it keeps me healthy. 译文：它对我有好处，因为它让我保持健康。 解析：be good for对……有益；keep sb.+形容词，让某人保持某种状态。 二、单元语音知识（发音规则） 1. 字母i的发音 16. /aɪ/：mine, time, like, sky 16. /ɪ/：big, hill, sit, fitness 2. 字母组合ie的发音 16. /aɪ/：pie, lie, tie 16. /iː/：piece, niece, field 3. 字母y的发音 16. /aɪ/：why, fly, try 16. /ɪ/：happy, healthy, party 16. /j/：yes, yard, yours 三、单元易错点总结（避坑必看） 1. 物主代词混用 错误：This is mine pen. 正确：This is my pen. / This pen is mine. 2. 频率副词位置错误 错误：I get up usually early. 正确：I usually get up early. 3. How often与How long混淆 16. How often：问频率（多久一次） 16. How long：问时长（多久） 例句：How often do you swim?（Twice a week.） How long do you swim?（For an hour.） 4. exercise可数与不可数 16. 表“运动、锻炼”：不可数，do exercise 16. 表“练习题、体操”：可数，do exercises 5. 球类前不加the 错误：play the basketball 正确：play basketball 单元写作指导+范文 一、单元写作主题 How to Keep Fit（如何保持健康） 二、写作要求 1. 内容：包含坚持运动、健康饮食、充足睡眠、保持心情四个方面 2. 词数：80词左右 3. 要求：语句通顺，语法正确，条理清晰 三、写作模板（万能框架） 开头：点明主题 It is very important for us to keep fit. Here are some good ways to stay healthy. 中间：分点阐述（用first, second, third, at last连接） First, we should do exercise every day. We can play basketball, swim or jog. It can make us strong. Second, we need to have healthy eating habits. We should eat more vegetables and fruit, and we shouldn't eat too much junk food. Third, we should have enough sleep. We need to sleep at least eight hours every night and never stay up late. At last, we should keep happy every day. Happiness is important for our health. 结尾：总结升华 If we follow these ways, we will be healthy and fit. Exercise shapes our body and mind. 四、满分范文 How to Keep Fit It is very important for us to keep fit. Do you know how to keep fit? Let me tell you some good ways. First, we should do sports every day. I like playing badminton and I play it twice a week. It helps me stay healthy. Second, we need to eat healthy food. Eat more vegetables and fruit, and don't eat junk food. It's bad for our body. Third, we should go to bed early and get up early. Don't stay up late. Enough sleep makes us energetic. At last, keep happy every day. A good mood is good for our health. If we have these good habits, we will be fit and happy every day. 五、写作高分技巧 1. 用first, second, third, at last使文章条理清晰 2. 运用本单元频率副词、物主代词、核心短语 3. 结合It's...to do sth. 句型提升句式水平 4. 结尾总结，升华主题，呼应开头 六、单元主题金句 1. Exercise is the key to keeping fit. 2. Health is the most important thing in our life. 3. Early to bed and early to rise makes a man healthy. 4. A good habit keeps you fit all the time. 1 学科网（北京）股份有限公司 $