Unit 3 Keep Fit期末复习 词性转换重点单词短语语法句型分层练习100题-2025-2026学年人教英语七年级下册

**基本信息** 聚焦Unit 3健康主题，通过词汇形式转换、汉译英及句型应用三阶训练，系统提炼语法规则与固定搭配，构建从词到句的递进式知识逻辑，提升语言运用与自主学习能力。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |词汇（形式填空）|40题|比较级/最高级规则、词形转换（名→形/动→名）、固定搭配（have trouble doing）|从单词形态变化到语法功能应用，夯实基础词汇能力| |词汇（汉译英）|40题|健康主题核心词汇（stomachache, nutrition）、固定短语（keep fit, stay up late）|结合语境强化词汇记忆，建立汉英词汇对应关系| |短语句型|20题|句型结构（It's+adj+to do）、时态应用（过去进行时）、被动语态|从短语积累到句型综合运用，提升语言表达准确性|

班级_____ 姓名______ 学号______ 分数_______ 人教版（新教材）七年级下册Unit 3 Keep Fit期末分层练习100题 （时间：60分钟 满分：120分） 词汇专项练习 一、用括号内所给单词的适当形式填空（40小题，每小题1分，共40分） 1．Eating more vegetables is ________ (health) than eating too much junk food. 2．You should take more ________ (exercise) to keep fit. 3．The doctor advised him to have a ________ (balance) diet. 4．He feels ________ (tired) today because he stayed up late last night. 5．It's important for us to get enough ________ (sleep) every day. 6．She has a ________ (stomach) so she can't eat anything. 7．Don't eat too much ________ (sweet) because they are bad for your teeth. 8．He runs ________ (fast) than his brother, so he wins the race. 9．My mother always tells me to eat ________ (little) junk food. 10．Taking a walk after dinner helps you ________ (relax) yourself. 11．The ________ (ill) made him stay in bed for a week. 12．You shouldn't ________ (smoke) because it's bad for your lungs. 13．She is ________ (worry) about her father's health. 14．He has trouble ________ (breathe) after running for a long time. 15．Drinking enough water can give you more ________ (energy). 16．The ________ (dentist) told him to brush his teeth twice a day. 17．She decided ________ (go) to the gym every weekend. 18．We should avoid ________ (eat) too much spicy food. 19．The ________ (hot) of the sun makes people feel sleepy in summer. 20．He is the ________ (strong) boy in his class, so he can carry heavy things. 21．________ (happy) is important for our health too. 22．You had better ________ (see) a doctor if you have a fever. 23．The little boy enjoys ________ (play) football after school. 24．It's ________ (danger) to swim in the river alone. 25．She was ________ (surprise) to hear that her friend got sick. 26．________ (lucky), he didn't catch a cold in the cold weather. 27．Cutting down too many trees ________ (harm) the environment. 28．His ________ (decide) to quit smoking made his family happy. 29．He was ________ (success) in losing weight after three months of exercise. 30．She ________ (apology) to her teacher for being late this morning. 31．Many people are in ________ (dangerous) because of air pollution. 32．He felt ________ (guilt) after eating too much junk food. 33．The children enjoyed ________ (they) at the sports meeting. 34．The weather changed ________ (sudden), so we had to stay at home. 35．About three ________ (hundred) students joined the health club. 36．The ________ (thirty) day of the month is the last day. 37．The doctor ________ (examine) him carefully when he went to the hospital. 38．He ________ (not run) in the park at this time yesterday. 39．Eating fruit and vegetables is a ________ (use) way to keep healthy. 40．More than two ________ (quarter) of the students like doing sports. 二、根据汉语提示完成单词（40小题，每小题1分，共40分） 1．It's important to keep ________ (健康的) every day. 2．You should do more ________ (锻炼) to stay fit. 3．A ________ (平衡的) diet is good for your body. 4．He has a ________ (胃痛) and needs to see a doctor. 5．Don't eat too much ________ (垃圾食品) because it's unhealthy. 6．If you have a ________ (发烧), you should drink more water. 7．The doctor gave me some ________ (药) to take three times a day. 8．I feel ________ (疲惫的) because I didn't sleep well last night. 9．You need to get enough ________ (睡眠) to keep energetic. 10．________ (牙医) can help you take care of your teeth. 11．Drinking enough water can give you more ________ (能量). 12．She has a ________ (头痛) so she can't go to school today. 13．We should ________ (避免) eating too much sweet food. 14．Taking a walk after dinner helps you ________ (放松). 15．It's ________ (危险的) to play on the street. 16．He is ________ (担心的) about his mother's health. 17．You should ________ (刷) your teeth twice a day. 18．Eating more ________ (蔬菜) can keep you healthy. 19．Smoking is ________ (有害的) to your lungs. 20．He wants to ________ (减肥) so he starts exercising every day. 21．We need to ________ (保持) fit by doing sports. 22．The ________ (温度) is very high today, so we should stay cool. 23．She has a ________ (感冒) and needs to rest at home. 24．You shouldn't ________ (熬夜) too late because it's bad for your health. 25．Eating too much salt is ________ (不健康的) for your body. 26．He went to the ________ (医院) to see his sick friend. 27．We should ________ (喝) more water every day. 28．The ________ (营养) in fruit is good for our body. 29．She feels ________ (口渴的) so she drinks a glass of water. 30．You should ________ (咨询) a doctor if you feel unwell. 31．Doing yoga can help you ________ (缓解) stress. 32．He has a ________ (咳嗽) and can't stop coughing. 33．We should ________ (远离) smoking and drinking. 34．The ________ (健康) of the students is very important for the school. 35．She eats a ________ (少量的) of meat every day. 36．You should ________ (休息) for a while after doing exercise. 37．He is ________ (强壮的) because he exercises every day. 38．The ________ (疼痛) in his leg makes him unable to walk. 39．We need to ________ (养成) good eating habits. 40．She is ________ (惊讶的) to hear that she won the health competition. 短语和句型专项练习 三、完成句子（20小题，每小题2分，共40分） 1．你应该每天做锻炼来保持健康。 You ________ ________ ________ every day to ________ ________. 2．吃太多垃圾食品对你的健康有害。 Eating too much junk food ________ ________ ________ your health. 3．如果你的胃痛，你不应该吃辛辣食物。 If you have a stomachache, you ________ ________ spicy food. 4．早睡早起对你的身体有好处。 ________ ________ and ________ ________ is good for your body. 5．多喝水可以帮助你保持水分充足。 Drinking more water can ________ you ________ ________. 6．她因为感冒不得不待在家里。 She has to stay at home ________ ________ she has a cold. 7．保持健康的最好方法是均衡饮食和做运动。 The best way to ________ ________ is to have a ________ ________ and do exercise. 8．我爸爸每天早上跑步半小时来减肥。 My father runs for half an hour every morning ________ ________ ________. 9．你不应该熬夜，因为这会让你第二天感到疲惫。 You ________ ________ ________ ________, because it will make you feel tired the next day. 10．他昨天这个时候正在医院接受检查。 He ________ ________ ________ in the hospital at this time yesterday. 11．均衡饮食给我们提供足够的营养。 A balanced diet ________ us ________ ________ ________. 12．当你感到压力大时，你可以听音乐来放松自己。 When you feel stressed, you can listen to music ________ ________ ________. 13．我们班大多数学生喜欢打篮球来保持健康。 ________ ________ the students in our class like playing basketball to ________ ________. 14．医生建议他戒烟并多做运动。 The doctor ________ him ________ ________ smoking and do more exercise. 15．没有足够的睡眠，你不能集中注意力在学习上。 ________ enough sleep, you can't ________ ________ your study. 16．她每天吃很多蔬菜和水果，所以她很健康。 She eats lots of vegetables and fruits every day, ________ she is very healthy. 17．他比他弟弟更强壮，因为他经常锻炼。 He is ________ ________ his brother because he exercises often. 18．保持快乐对我们的心理健康很重要。 ________ ________ is important for our mental health. 19．如果你发烧了，你应该量体温并去看医生。 If you have a fever, you ________ ________ your temperature and see a doctor. 20．我们应该养成每天喝八杯水的习惯。 We should ________ ________ ________ ________ drinking eight glasses of water every day. 答案+详细解析 一、用括号内所给单词的适当形式填空（40题，每题1分） 1. healthier 解析：出现than用形容词比较级；healthy的比较级为healthier。 2. exercise 解析：take exercise为固定短语，exercise作“锻炼”讲时是不可数名词。 3. balanced 解析：修饰名词diet用形容词；balance（名词/动词）→ balanced（形容词，平衡的）。 4. tired 解析：feel后接形容词作表语；tired修饰人（感到疲惫的）。 5. sleep 解析：enough修饰不可数名词sleep（睡眠）。 6. stomachache 解析：have a stomachache为固定短语，意为“胃痛”。 7. sweets 解析：too much修饰可数名词复数sweet（糖果），复数形式sweets。 8. faster 解析：than表比较，fast的比较级为faster。 9. less 解析：junk food是不可数名词，little的比较级为less，符合“少吃垃圾食品”的语境。 10. relax 解析：固定搭配help sb. (to) do sth.，后接动词原形relax。 11. illness 解析：句子缺少主语，用名词；ill（形容词）→ illness（名词，疾病）。 12. smoke 解析：情态动词shouldn't后接动词原形smoke。 13. worried 解析：固定搭配be worried about，意为“担心……”。 14. breathing 解析：固定搭配have trouble (in) doing sth.，后接动名词breathing。 15. energy 解析：more修饰不可数名词energy（能量）。 16. dentist 解析：定冠词the后接名词dentist（牙医）。 17. to go 解析：固定搭配decide to do sth.，意为“决定做某事”。 18. eating 解析：固定搭配avoid doing sth.，意为“避免做某事”。 19. heat 解析：定冠词the后接名词；hot（形容词）→ heat（名词，热量）。 20. strongest 解析：定冠词the后接形容词最高级；strong的最高级为strongest。 21. Happiness 解析：句子缺少主语，用名词；happy（形容词）→ Happiness（名词，快乐），句首首字母大写。 22. see 解析：固定用法had better do sth.，意为“最好做某事”，后接动词原形see。 23. playing 解析：固定搭配enjoy doing sth.，意为“喜欢做某事”。 24. dangerous 解析：It's + 形容词 + to do sth.；danger（名词）→ dangerous（形容词，危险的）。 25. surprised 解析：be动词后接形容词；surprised修饰人（感到惊讶的）。 26. Luckily 解析：副词作状语修饰整个句子；根据语境“没感冒”是幸运的，lucky→Luckily，句首大写。 27. harms 解析：动名词短语作主语视作单数，一般现在时谓语用三单形式harms。 28. decision 解析：名词所有格his后接名词；decide（动词）→ decision（名词，决定）。 29. successful 解析：固定搭配be successful in doing sth.，意为“成功做某事”。 30. apologized 解析：句子缺谓语动词，apology（名词）变为动词apologize；动作已发生，用过去式apologized。 31. danger 解析：固定短语in danger，意为“处于危险中”。 32. guilty 解析：feel后接形容词作表语；guilt（名词）→ guilty（形容词，内疚的）。 33. themselves 解析：固定搭配enjoy oneself，主语children对应反身代词themselves。 34. suddenly 解析：修饰动词changed用副词；sudden（形容词）→ suddenly（副词，突然地）。 35. hundred 解析：hundred前有具体数字three时，不加s。 36. thirtieth 解析：定冠词The + 序数词，表示“第三十天”；thirty（基数词）→ thirtieth（序数词）。 37. examined 解析：时间状语从句为一般过去时，主句时态一致，用examined。 38. wasn't running 解析：at this time yesterday是过去具体时间点，用过去进行时；主语he用was，否定式wasn't running。 39. useful 解析：修饰名词way用形容词；use（动词/名词）→ useful（形容词，有用的）。 40. quarters 解析：two后接可数名词复数；quarter的复数是quarters。 二、根据汉语提示完成单词（40题，每题1分） 1. healthy 解析：keep healthy为固定短语，意为“保持健康”。 2. exercise 解析：do exercise为固定短语，exercise作“锻炼”讲时不可数。 3. balanced 解析：形容词balanced修饰diet，意为“均衡的饮食”。 4. stomachache 解析：have a stomachache为固定短语，意为“胃痛”。 5. junk food 解析：固定短语junk food（垃圾食品），不可数。 6. fever 解析：have a fever为固定短语，意为“发烧”。 7. medicine 解析：不可数名词medicine（药）。 8. tired 解析：形容词tired作表语，意为“疲惫的”。 9. sleep 解析：不可数名词sleep（睡眠）。 10. Dentists 解析：名词dentist的复数形式，句首首字母大写。 11. energy 解析：不可数名词energy（能量）。 12. headache 解析：have a headache为固定短语，意为“头痛”。 13. avoid 解析：情态动词should后接动词原形avoid（避免）。 14. relax 解析：help sb. do固定搭配，后接动词原形relax（放松）。 15. dangerous 解析：It's dangerous to do为固定句型，意为“做某事很危险”。 16. worried 解析：be worried about为固定短语，意为“担心……”。 17. brush 解析：brush teeth为固定短语，should后接动词原形brush（刷）。 18. vegetables 解析：可数名词vegetable的复数形式vegetables。 19. harmful 解析：be harmful to为固定短语，意为“对……有害”。 20. lose weight 解析：固定短语lose weight（减肥），want to do后接原形。 21. keep 解析：keep fit为固定短语，意为“保持健康”。 22. temperature 解析：名词temperature（温度）。 23. cold 解析：have a cold为固定短语，意为“感冒”。 24. stay up 解析：固定短语stay up（熬夜），shouldn't后接原形。 25. unhealthy 解析：形容词unhealthy（不健康的），为healthy的否定形式。 26. hospital 解析：go to the hospital为固定短语，意为“去医院”。 27. drink 解析：情态动词should后接动词原形drink（喝）。 28. nutrition 解析：名词nutrition（营养）。 29. thirsty 解析：形容词thirsty作表语，意为“口渴的”。 30. consult 解析：情态动词should后接动词原形consult（咨询）。 31. relieve 解析：help sb. do固定搭配，后接动词原形relieve（缓解）。 32. cough 解析：have a cough为固定短语，意为“咳嗽”。 33. stay away from 解析：固定短语stay away from（远离），should后接原形。 34. health 解析：名词health（健康），the health of...意为“……的健康”。 35. little 解析：固定短语a little of（少量的），修饰不可数名词meat。 36. rest 解析：情态动词should后接动词原形rest（休息）。 37. strong 解析：形容词strong作表语，意为“强壮的”。 38. pain 解析：名词pain（疼痛）。 39. develop 解析：develop habits为固定短语，意为“养成习惯”。 40. surprised 解析：be surprised to do为固定短语，意为“惊讶地做某事”。 三、完成句子（20题，每题2分） 1. should take exercise; keep fit 解析：should后接动词原形take exercise（做锻炼）；keep fit（保持健康）。 2. is bad for 解析：固定短语be bad for（对……有害），主语是动名词短语，谓语用is。 3. shouldn't eat 解析：情态动词shouldn't后接动词原形eat（吃）。 4. Early to bed; early to rise 解析：固定谚语Early to bed and early to rise（早睡早起）。 5. help; stay hydrated 解析：help sb. do（帮助某人做）；stay hydrated（保持水分充足）。 6. because 解析：because引导原因状语从句，意为“因为”。 7. keep healthy; balanced diet 解析：keep healthy（保持健康）；balanced diet（均衡饮食）。 8. to lose weight 解析：动词不定式to lose weight（减肥）作目的状语。 9. shouldn't stay up late 解析：固定短语stay up late（熬夜）；shouldn't后接原形。 10. was being examined 解析：at this time yesterday用过去进行时，主语he与examine是被动关系，故用was being examined。 11. provides; with enough nutrition 解析：provide sb. with sth.（给某人提供某物）；enough nutrition（足够的营养），主语是单数，谓语用provides。 12. to relax yourself 解析：动词不定式to relax yourself（放松自己）作目的状语。 13. Most of; keep fit 解析：most of（大多数）；keep fit（保持健康）。 14. advised; to give up 解析：advise sb. to do sth.（建议某人做某事）；give up smoking（戒烟），动作已发生，用advised。 15. Without; focus on 解析：without（没有）；focus on（集中注意力于），情态动词can't后接原形。 16. so 解析：so引导结果状语从句，意为“所以”。 17. stronger than 解析：形容词比较级stronger + than，意为“比……更强壮”。 18. Keeping happy 解析：动名词短语Keeping happy作主语，意为“保持快乐”。 19. should take 解析：固定短语take one's temperature（量体温）；should后接原形。 20. develop the habit of 解析：固定短语develop the habit of（养成……的习惯）。 学科网（北京）股份有限公司 $