Unit 3 Sound Body, Sound Mind单元重点易错专项训练2026-2027学年仁爱科普版英语八年级上册

仁爱科普版（2026）八年级上册 Unit 3 Sound Body, Sound Mind 单元重点易错专项训练 仁爱科普版（2026）八年级上册 Unit 3 Sound Body, Sound Mind 单元重点易错专项训练 紧扣最新教材（2026仁爱科普版） | 9大考点 | 81道精选题 姓名：__________ 班级：__________ 得分：__________ 考点一：have a + 疾病类名词（have a fever/cough/headache/sore throat）与 see a doctor ⚠ 易错点：have a fever（发烧）/have a bad cough（严重咳嗽）/have a headache（头痛）/have a sore throat（喉咙痛） ⚠ have a toothache（牙痛）/have a stomachache（胃痛）/have a backache（背痛）/lose one's voice（失声） ⚠ see a doctor（看医生）/take one's temperature（量体温）/take some pills（服药）/take a rest（休息） ▷ 基础题（选择题） ▷（ ）1. Jam has a high ______. He feels very hot and tired. A. cough B. fever C. headache D. toothache ▷（ ）2. Lily's throat hurts a lot. She ______ all day and can't speak clearly. A. has a fever B. has a headache C. has a sore throat D. has a toothache ▷（ ）3. Chen Wu ______ a bad toothache yesterday, so he went to see the dentist. A. has B. had C. have D. is having ◇ 提升题（选择题） ◇（ ）1. Zhang Hui talked too much at the party and ______ her voice the next day. A. lost B. loses C. has lost D. was losing ◇（ ）2. — What's wrong with you, Jam? — I ______ a terrible headache since this morning. A. have B. had C. have had D. am having ◇（ ）3. The doctor asked Lily to ______ her temperature first. A. take B. make C. do D. get ★ 拓展题（用适当形式填空） ★ 1. Chen Wu ________ (have) a high fever last night. His mother took him to hospital. ★ 2. Lily's stomach hurts. She ________ (should) stop eating cold food. ★ 3. The little boy ________ (lose) his voice after crying for hours. 考点二：should/shouldn't + 动词原形（健康建议与就医句型） ⚠ 易错点：should/shouldn't + 动词原形（不是to do）。You should drink more water. / You shouldn't eat too much junk food. ⚠ What's wrong with you? / What's the matter with you?（你怎么了？）I'm sorry to hear that.（听到这很遗憾） ⚠ had better (not) do = 最好（不）做某事。You had better see a doctor. / You'd better not stay up late. ▷ 基础题（选择题） ▷（ ）1. You ______ eat too much junk food. It's bad for your health. A. should B. shouldn't C. should to D. shouldn't to ▷（ ）2. — I have a terrible stomachache. — You ______ drink some hot water. A. shouldn't B. needn't C. should D. mustn't ▷（ ）3. You'd better ______ up late. It's not good for your body. A. stay B. not stay C. don't stay D. to stay ◇ 提升题（选择题） ◇（ ）1. — What's wrong with you, Lily? — I feel sick and ______ a fever. A. I have B. I've got C. I had D. I'm having ◇（ ）2. The doctor said Chen Wu ______ in bed for two days to get better. A. should stay B. should to stay C. should stayed D. should staying ◇（ ）3. You'd better ______ those pills three times a day after meals. A. take B. to take C. taking D. not take ★ 拓展题（用适当形式填空） ★ 1. You ________ (should) eat so many sweets, Jam. They are bad for your teeth. ★ 2. Lily has a sore throat. She ________ (should) drink cold water. ★ 3. We'd better ________ (do) some exercise every day to keep fit. 考点三：频度副词与否定词（hardly/seldom/never + 肯定句 = 否定含义） ⚠ 易错点：hardly（几乎不）/seldom（很少）/never（从不）本身含否定意义，句中不再加not ⚠ 反意疑问句：含never/seldom/hardly→附加问句用肯定：He never eats meat, does he?（不是doesn't he） ⚠ hard（adv.努力地/猛烈地）≠ hardly（几乎不）：It's raining hard. / I can hardly see it. ▷ 基础题（选择题） ▷（ ）1. Lily is very healthy because she ______ eats junk food. A. always B. often C. never D. usually ▷（ ）2. Jam ______ goes to bed before 10 p.m. He always stays up late. A. always B. usually C. often D. seldom ▷（ ）3. I can ______ hear the music. It's too noisy outside. A. hard B. hardly C. always D. usually ◇ 提升题（选择题） ◇（ ）1. Chen Wu is so tired that he can ______ keep his eyes open. A. hard B. hardly C. nearly D. almost ◇（ ）2. She ______ watches TV on school days because she has too much homework. A. always B. usually C. seldom D. often ◇（ ）3. Zhang Hui never eats chocolate, ______? A. doesn't he B. does he C. isn't he D. is he ★ 拓展题（用适当形式填空） ★ 1. Lily ________ (hard) ever eats hamburgers. She thinks they are unhealthy. ★ 2. The old man is so weak that he can ________ (hard) walk without help. ★ 3. Jam never ________ (stay) up late on school nights. He always sleeps early. 考点四：重点短语 stay/keep away from / get rid of / stay/keep fit / keep a diary / take exercise ⚠ 易错点：stay/keep away from + n./doing（远离……）；get rid of（摆脱/戒除）；stay/keep fit（保持健康） ⚠ keep a diary（写日记）；take exercise（做运动/不可数）；do some exercise（做运动/不可数） ⚠ stay positive（保持积极）；in a good mood（心情好）；be full of energy（精力充沛） ▷ 基础题（选择题） ▷（ ）1. If you want to keep healthy, you must ______ junk food. A. stay away from B. take part in C. come across D. get through ▷（ ）2. Lily writes about her day in her notebook every evening. She likes to ______. A. keep a diary B. take a rest C. lose weight D. stay up late ▷（ ）3. Jam wants to ______ the bad habit of eating too many sweets. A. stay away from B. get rid of C. take exercise D. keep fit ◇ 提升题（选择题） ◇（ ）1. Chen Wu is trying to ______ by jogging every morning before school. A. get rid of B. stay away from C. keep fit D. lose his voice ◇（ ）2. The doctor told Zhang Hui to ______ sugary drinks if she wants to lose weight. A. get rid of B. stay away from C. take part in D. keep a diary ◇（ ）3. After a good night's sleep, Lily is ______ energy and ready for a new day. A. full of B. tired of C. afraid of D. short of ★ 拓展题（用适当形式填空） ★ 1. We should ________ (stay) away from bad habits like smoking. ★ 2. Chen Wu ________ (take) exercise every morning. He runs for 20 minutes. ★ 3. It's important to ________ (keep) a balanced diet and eat more vegetables. 考点五：be good for / be bad for / be full of / be absent from / be interested in ⚠ 易错点：be good for（对……有益）；be bad for（对……有害）；be full of（充满）；be absent from（缺席） ⚠ be interested in + n./doing（对……感兴趣）；be fond of + n./doing（喜欢）；be good at + n./doing（擅长） ⚠ What's worse（更糟的是）；for one thing...for another（一方面……另一方面）；on the other hand（另一方面） ▷ 基础题（选择题） ▷（ ）1. Eating too much sugar ______ your teeth. You should eat less. A. is good for B. is bad for C. is full of D. is interested in ▷（ ）2. Reading books ______ your mind. It helps you learn new things. A. is bad for B. is good for C. is absent from D. is full of ▷（ ）3. Jam was ______ school yesterday because he had a bad cold. A. good for B. bad for C. absent from D. full of ◇ 提升题（选择题） ◇（ ）1. Lily is very ______ learning about how the human body works. A. good at B. bad for C. interested in D. full of ◇（ ）2. The fridge is ______ fresh fruit and vegetables. Mum went shopping yesterday. A. good for B. bad for C. absent from D. full of ◇（ ）3. ______, eating too much makes you fat. ______, it's bad for your stomach. A. For one thing; For another B. On the one hand; On the other hand C. For one thing; On the other hand D. On the one hand; For another ★ 拓展题（用适当形式填空） ★ 1. Too much screen time ________ (be) bad for your eyes, Jam. ★ 2. Lily is very ________ (interest) in volleyball. She practises every day. ★ 3. Chen Wu was absent ________ school for three days because of his fever. 考点六：比较级与最高级（healthy→healthier→healthiest / good→better→best） ⚠ 易错点：healthy→healthier→healthiest（辅音+y变i+er/est）；good/well→better→best（不规则） ⚠ bad/ill→worse→worst；much/a lot/far + 比较级；比较级+and+比较级（越来越……） ⚠ the more...the better（越多……越好）；one of the + 最高级 + 复数名词 ▷ 基础题（选择题） ▷（ ）1. Eating more vegetables is ______ for your body than eating hamburgers. A. good B. better C. best D. the best ▷（ ）2. The ______ you exercise, the stronger your body will become. A. much B. more C. most D. many ▷（ ）3. Jam's lifestyle is ______ than Chen Wu's because he eats more fruit. A. healthy B. healthier C. healthiest D. the healthiest ◇ 提升题（选择题） ◇（ ）1. Lily is one of ______ students in our class. She never eats junk food. A. healthy B. healthier C. the healthiest D. healthiest ◇（ ）2. After weeks of training, Chen Wu feels ______ and can run much faster now. A. good B. well C. better D. best ◇（ ）3. The weather is getting ______ and ______ as spring comes. A. warm; warm B. warmer; warmer C. warmest; warmest D. more warm; more warm ★ 拓展题（用适当形式填空） ★ 1. The ________ (much) you eat, the ________ (heavy) you will become. ★ 2. This diet is far ________ (healthy) than the one I had before. ★ 3. Sleeping well is one of the ________ (good) ways to stay healthy. 考点七：spend...on / spend...(in) doing / pay...for / take（花费时间与金钱辨析） ⚠ 易错点：sb. spend + 时间/金钱 + on sth. / (in) doing sth.（人作主语） ⚠ sb. pay + 金钱 + for sth.（人花钱买物）；It takes sb. + 时间 + to do sth.（it作主语） ⚠ sth. cost + 人 + 金钱（物作主语）。区分四个'花费'的主语和搭配！ ▷ 基础题（选择题） ▷（ ）1. Lily spent two hours ______ her homework last night. A. on B. in C. at D. for ▷（ ）2. Jam ______ 50 yuan ______ that science book yesterday. A. spent; on B. paid; for C. took; for D. cost; on ▷（ ）3. It ______ me about 20 minutes to walk to school every day. A. spends B. pays C. takes D. costs ◇ 提升题（选择题） ◇（ ）1. The new phone ______ my father 3,000 yuan. It was very expensive. A. spent B. paid C. took D. cost ◇（ ）2. Chen Wu spends too much time ______ computer games. It's bad for his eyes. A. play B. to play C. playing D. plays ◇（ ）3. How much did you ______ for those running shoes, Jam? A. spend B. pay C. take D. cost ★ 拓展题（用适当形式填空） ★ 1. Lily ________ (spend) an hour jogging every morning to keep fit. ★ 2. How much did the dictionary ________ (cost)? It looks expensive. ★ 3. It ________ (take) Zhang Hui half an hour to get to school by bus every day. 考点八：prefer / would rather / like...better / both...and / though/although ⚠ 易错点：prefer A to B（喜欢A胜过B）；prefer to do rather than do（宁愿做……也不做……） ⚠ though/although（虽然/尽管）引导让步状语从句；although不与but连用！though可放句末 ⚠ both...and...（两者都）；neither...nor...（两者都不）；not only...but also...（不仅……而且） ▷ 基础题（选择题） ▷（ ）1. Jam prefers swimming ______ running. He thinks it's more fun. A. than B. to C. with D. for ▷（ ）2. ______ Lily and her sister love playing volleyball after school. A. Neither B. Either C. Both D. Not only ▷（ ）3. ______ it was raining heavily, they still went for a jog in the park. A. Because B. Though C. If D. When ◇ 提升题（选择题） ◇（ ）1. Lily would rather ______ at home than ______ to the noisy party. A. stay; go B. to stay; to go C. stay; to go D. to stay; go ◇（ ）2. ______ Lily ______ her brother likes junk food. They both eat healthy food. A. Both; and B. Neither; nor C. Not only; but also D. Either; or ◇（ ）3. Jam prefers ______ basketball to ______ football. He is taller and likes jumping. A. play; play B. playing; playing C. to play; play D. playing; to play ★ 拓展题（用适当形式填空） ★ 1. Chen Wu prefers ________ (read) books to ________ (watch) TV. ★ 2. ________ (though/although) it was cold, they still went swimming. ★ 3. Both Jam ________ (and/or) Zhang Hui take part in the school sports club. 考点九：否定前缀 un-/in-/im-/dis-/mis- 与核心词汇辨析 ⚠ 易错点：un-: unhealthy / uncomfortable / unhappy；in-: improper / incorrect；im-: impossible / impatient ⚠ dis-: disagree / dislike / disappear；mis-: misplace / misunderstand / mistake ⚠ balanced（平衡的）/balanced diet（均衡饮食）；lifestyle（生活方式）；communicate with（与……交流） ⚠ benefit（n.益处 v.受益）；in one's opinion（在某人看来）；according to（根据） ▷ 基础题（选择题） ▷（ ）1. Eating too much fried food is ______ for your body. You should stop. A. healthy B. unhealthy C. health D. healthily ▷（ ）2. The chair is very hard. Sitting on it for hours makes me feel ______. A. comfortable B. uncomfortable C. comfort D. comfortably ▷（ ）3. In my ______, the best way to keep fit is to exercise every day. A. idea B. opinion C. view D. thought ◇ 提升题（选择题） ◇（ ）1. The answer is ______. You need to check your work again. A. correct B. proper C. incorrect D. exact ◇（ ）2. Lily and her brother often ______ with each other about what to eat for dinner. A. agree B. disagree C. discuss D. communicate ◇（ ）3. A ______ diet means eating different kinds of food in the right amount. A. balance B. balanced C. balancing D. balances ★ 拓展题（用适当形式填空） ★ 1. It is ________ (possible) to stay healthy if you never exercise. ★ 2. They ________ (communication) with each other by writing letters. ★ 3. Jogging has many ________ (benefit) for both body and mind. 参考答案与详细解析 考点一：have a + 疾病类名词 与 see a doctor 【基础题】 1. B have a fever（发烧）。Jam发高烧，感觉很热很累。 2. C have a sore throat（喉咙痛）。Lily喉咙痛整天咳嗽说不清楚话。 3. B yesterday→过去时→had。Chen Wu昨天牙痛去看牙医。 【提升题】 1. A lose one's voice（失声）。Zhang Hui在聚会上说太多话第二天失声了。 2. C since this morning→现在完成时→have had。Jam从早上起就头痛。 3. A take one's temperature（量体温）。医生让Lily先量体温。 【拓展题】 1. had last night→过去时。Chen Wu昨晚发高烧妈妈带他去医院。 2. should should stop。Lily胃痛应该停止吃冷食。should+动词原形。 3. lost after crying→过去时。小男孩哭了几小时后失声了。 考点二：should/shouldn't + 动词原形（健康建议） 【基础题】 1. B shouldn't eat。不应该吃太多垃圾食品。should/shouldn't+动词原形。 2. C should drink。你应该喝点热水。should+动词原形。 3. B had better (not) do。最好（不）做某事。You'd better not stay up late。 【提升题】 1. B I've got a fever = I have a fever。现在完成时口语表达。我发烧了。 2. A should stay。医生说Chen Wu应该卧床两天。should+动词原形。 3. A had better do。你最好饭后每天三次吃那些药。 【拓展题】 1. shouldn't shouldn't eat。Jam你不该吃那么多糖果对牙齿不好。 2. shouldn't shouldn't drink。Lily喉咙痛不应该喝冷水。 3. do had better do。我们最好每天做运动保持健康。 考点三：频度副词与否定词（hardly/seldom/never） 【基础题】 1. C never eats（从不吃）。Lily很健康因为她从不吃垃圾食品。 2. D seldom（很少）。Jam很少10点前睡觉他总熬夜。 3. B hardly（几乎不）。我几乎听不到音乐外面太吵了。 【提升题】 1. B can hardly（几乎不能）。Chen Wu太累了几乎睁不开眼。 2. C seldom（很少）。她上学日很少看电视因为作业太多。 3. B never→反意疑问句用肯定does he。Zhang Hui从不吃巧克力对吧？ 【拓展题】 1. hardly hardly ever（几乎从不）。Lily几乎从不吃汉堡认为不健康。 2. hardly can hardly walk。老人太虚弱几乎无法独立行走。 3. stays never→三单stays。Jam上学日晚上从不熬夜总是早睡。 考点四：重点短语 stay/keep away from / get rid of / keep fit / keep a diary 【基础题】 1. A stay/keep away from（远离）。想保持健康必须远离垃圾食品。 2. A keep a diary（写日记）。Lily每晚在笔记本上写日记。 3. B get rid of（摆脱/戒除）。Jam想戒掉吃太多糖的坏习惯。 【提升题】 1. C keep fit（保持健康）。Chen Wu每天早上去学校前慢跑保持健康。 2. B stay away from（远离）。医生让Zhang Hui远离含糖饮料来减肥。 3. A be full of energy（精力充沛）。睡了个好觉Lily精力充沛迎接新一天。 【拓展题】 1. stay stay away from。我们应该远离吸烟等坏习惯。 2. takes Chen Wu三单→takes exercise。他每天早上锻炼跑步20分钟。 3. keep keep a balanced diet。保持均衡饮食多吃蔬菜很重要。 考点五：be good for / be bad for / be full of / be absent from / be interested in 【基础题】 1. B be bad for（对……有害）。吃太多糖对牙齿有害。 2. B be good for（对……有益）。读书对你的大脑有益。 3. C be absent from（缺席）。Jam昨天因病缺席。 【提升题】 1. C be interested in（对……感兴趣）。Lily对人体如何运作很感兴趣。 2. D be full of（充满）。冰箱里满是新鲜水果蔬菜。 3. A For one thing...For another...（一方面……另一方面……）。固定搭配。 【拓展题】 1. is Too much screen time作主语→is bad for。看屏幕太久对眼睛不好。 2. interested be interested in doing。Lily对排球很感兴趣每天练习。 3. from be absent from school。Chen Wu因发烧三天没上学。 考点六：比较级与最高级 【基础题】 1. B than提示比较级。good→better。吃蔬菜比汉堡更健康。 2. B The more...the stronger...。越多锻炼身体越强壮。 3. B than提示比较级。healthy→healthier（辅音+y变i+er）。 【提升题】 1. C one of the + 最高级。Lily是班上最健康的学生之一。healthiest前加the。 2. C 经过训练后感觉更好→比较级better。Chen Wu现在能跑得更快了。 3. B 比较级+and+比较级（越来越……）。天气越来越暖和。 【拓展题】 1. more; heavier The more...the heavier。吃得越多越重。 2. healthier than提示比较级。far+比较级。这个饮食比我之前的更健康。 3. best one of the best ways。睡眠好是保持健康最好的方式之一。 考点七：spend / pay / take / cost 花费辨析 【基础题】 1. B spend + 时间 + (in) doing。Lily昨晚花两小时做作业。in可省略。 2. B pay + 金钱 + for sth.。Jam昨天花50元买了那本科学书。 3. C It takes sb. + 时间 + to do。我每天步行上学花约20分钟。 【提升题】 1. D sth. cost + 人 + 金钱。物作主语。新手机花了爸爸3000元。 2. C spend + 时间 + (in) doing。Chen Wu花太多时间玩电脑游戏。 3. B pay...for...。你花多少钱买的那些跑鞋？ 【拓展题】 1. spends Lily三单→spends。Lily每天早上花一小时慢跑保持健康。 2. cost did...cost。那本字典多少钱？cost的过去式还是cost。 3. takes It takes...。Zhang Hui每天乘公交到学校花半小时。 考点八：prefer / would rather / both...and / though/although 【基础题】 1. B prefer A to B（喜欢A胜过B）。Jam喜欢游泳胜过跑步。 2. C both...and...（两者都）。Lily和她妹妹都喜欢放学后打排球。 3. B Though（虽然）。虽然下大雨他们仍去公园慢跑。 【提升题】 1. A would rather do than do。宁愿在家也不去吵闹的派对。 2. B Neither...nor...（两者都不）。Lily和她哥都不喜欢垃圾食品。 3. B prefer doing to doing。Jam喜欢打篮球胜过踢足球。 【拓展题】 1. reading; watching prefer doing to doing。Chen Wu喜欢读书胜过看电视。 2. Though Though it was cold。虽然很冷他们仍去游泳。不能加but。 3. and Both...and...。Jam和Zhang Hui都参加学校体育俱乐部。 考点九：否定前缀 un-/in-/im-/dis-/mis- 与核心词汇 【基础题】 1. B unhealthy（不健康的）。吃太多油炸食品对身体不健康。 2. B uncomfortable（不舒服的）。椅子很硬坐几小时让人不舒服。 3. B in one's opinion（在某人看来）。在我看来保持健康最好方式是每天运动。 【提升题】 1. C incorrect（不正确的）。答案不对你需要再检查一遍。 2. B disagree with（不同意/意见不合）。Lily和哥哥常对晚饭吃什么有分歧。 3. B balanced（adj.平衡的）。balanced diet均衡饮食。 【拓展题】 1. impossible im- + possible。如果不运动就不可能保持健康。 2. communicate communicate with（与……交流）。他们通过写信交流。 3. benefits many benefits。慢跑对身心有许多益处。复数加s。 — — 学科网（北京）股份有限公司 $