Unit 2 Stay Healthy单元知识总结及重点易错专项训练 2026-2027学年鲁教版（五四学制） 英语八年级上册

鲁教版（五四学制） 八年级上册 Unit 2 Stay Healthy 单元知识总结及重点易错专项训练 ■ ■ ■ ■ ■ ■ ■ 说明：本练习紧扣最新教材精选 10 个重点易错考点，每个考点含基础题×3、提升题×3、拓展题×3，共 90 题。 第一部分　单元重点梳理 🔵 重点单词（Section A & B） 单词 词性 释义 health n. 健康 healthy adj. 健康的 illness n. 疾病 sick adj. 生病的 fever n. 发烧 cough v./n. 咳嗽 headache n. 头痛 stomachache n. 胃痛 toothache n. 牙痛 cold n. 感冒 flu n. 流感 medicine n. 药 exercise n./v. 锻炼 diet n. 饮食 habit n. 习惯 sleep n./v. 睡眠 stress n. 压力 tired adj. 疲劳的 weak adj. 虚弱的 energetic adj. 精力充沛的 wash v. 洗 rest v./n. 休息 🟢 重点短语 短语 释义 stay healthy 保持健康 keep fit 保持健康 take exercise 做运动 have a cold 感冒 have a fever 发烧 have a cough 咳嗽 have a headache 头痛 see a doctor 看医生 take medicine 吃药 drink water 喝水 get enough sleep 获得充足睡眠 eat well 吃得好 a balanced diet 均衡饮食 wash hands 洗手 brush teeth 刷牙 stay up late 熬夜 take a rest 休息一下 under stress 在压力下 be good for 对……有益 be bad for 对……有害 📁 重点句型 What's the matter with you?（你怎么了？） I have a headache/cold/fever.（我头痛/感冒/发烧。） You should see a doctor.（你应该去看医生。） You shouldn't eat too much junk food.（你不该吃太多垃圾食品。） It is important to exercise every day.（每天锻炼很重要。） Olivia feels tired because she didn't get enough sleep.（Olivia 感到累因为她没睡够。） Chen Wei is too weak to go to school.（Chen Wei 太虚弱了不能上学。） We should eat a balanced diet to stay healthy.（我们应该均衡饮食来保持健康。） Bella had a fever, so she stayed at home.（Bella 发烧了，所以她待在家里。） The more you exercise, the healthier you will be.（你锻炼越多，就会越健康。） 💐 重点语法 should/shouldn't：表示建议，后接动词原形。否定 shouldn't + 动词原形。 have a + 疾病名词：have a cold/fever/cough/headache 表示患病。 too...to do：太……而不能做某事。 enough to do：足够……可以做某事。 the more...the more：越……越……（比较级叠加）。 because/because of：because + 从句；because of + 名词/代词/v.-ing。 it is + adj. + to do：做某事是……的。 祈使句：表示建议/命令，动词原形开头；否定 Don't + 动词原形。 第二部分　重点易错专项练习 考点1：should / shouldn't 表建议 基础题：（选择题） ◇（ ）1. You ___ see a doctor if you are sick. A.should B.have to C.must to D.can to ◇（ ）2. Olivia has a fever. She ___ stay in bed. A.has to B.should C.is to D.will to ◇（ ）3. You ___ eat too much junk food. A.have to B.should C.shouldn't D.must 提升题：（选择题） ▷（ ）1. Chen Wei has a headache. He ___ take some medicine. A.will to B.has to C.is to D.should ▷（ ）2. Bella is tired. She ___ go to bed early. A.should B.has to C.is to D.will to ▷（ ）3. You ___ wash your hands before meals. A.have to B.should C.must to D.can to 拓展题：（选择题） ★（ ）1. Lily has a cold. She ___ drink more water. A.is to B.has to C.should D.will to ★（ ）2. Zhang Hao is weak. He ___ do more exercise. A.will to B.has to C.is to D.should ★（ ）3. We ___ stay up late. It is bad for our health. A.shouldn't B.should C.have to D.must 考点2：have a + 疾病名词（have a cold/fever/cough/headache） 基础题：（选择题） ◇（ ）1. Olivia has ___ . She should see a doctor. A.fever B.a fever C.the fever D.fevers ◇（ ）2. Chen Wei has ___ . His head hurts. A.the headache B.headache C.a headache D.headaches ◇（ ）3. Lily has ___ . She is coughing a lot. A.coughs B.cough C.the cough D.a cough 提升题：（选择题） ▷（ ）1. Zhang Hao has ___ . His stomach hurts. A.a stomachache B.stomachache C.the stomachache D.stomachaches ▷（ ）2. Bella has ___ . She needs to see a dentist. A.toothache B.a toothache C.the toothache D.toothaches ▷（ ）3. They have ___ . They feel cold. A.the cold B.cold C.a cold D.colds 拓展题：（选择题） ★（ ）1. Olivia had ___ last week. She stayed at home. A.flu B.a flu C.flu D.the flu ★（ ）2. Chen Wei has ___ . He can't sleep well. A.a pain in his back B.pain in his back C.the pain in his back D.pains in his back ★（ ）3. Lily has ___ in her leg. She can't walk. A.pain B.a pain C.the pain D.pains 考点3：too...to do / enough to do 基础题：（选择题） ◇（ ）1. Chen Wei is ___ weak ___ go to school. A.enough; to B.so; that C.too; to D.very; to ◇（ ）2. Olivia is old ___ to take care of herself. A.very B.too C.so D.enough ◇（ ）3. The box is ___ heavy for me ___ carry. A.too; to B.so; that C.enough; to D.very; to 提升题：（选择题） ▷（ ）1. Bella is ___ tired ___ do any homework. A.so; that B.too; to C.enough; to D.very; to ▷（ ）2. Zhang Hao is strong ___ to lift the box. A.so B.too C.enough D.very ▷（ ）3. The work is ___ difficult ___ me ___ finish. A.very; for; to B.so; for; to C.enough; for; to D.too; for; to 拓展题：（选择题） ★（ ）1. She is ___ a child ___ understand the problem. A.too; to B.so; that C.enough; to D.very; to ★（ ）2. He is brave ___ to face the difficulty. A.too B.enough C.so D.very ★（ ）3. The patient is ___ sick ___ go to work. A.enough; to B.so; that C.too; to D.very; to 考点4：the more...the more（越……越……） 基础题：（选择题） ◇（ ）1. The more you exercise, the ___ you will be. A.healthiest B.healthy C.more healthy D.healthier ◇（ ）2. The more water you drink, the ___ you feel. A.better B.good C.best D.more good ◇（ ）3. The earlier you sleep, the ___ you will feel. A.good B.better C.best D.more good 提升题：（选择题） ▷（ ）1. The more fruit you eat, the ___ you will stay. A.more healthy B.healthy C.healthier D.healthiest ▷（ ）2. The less junk food you eat, the ___ you will be. A.healthiest B.healthy C.more healthy D.healthier ▷（ ）3. The more you rest, the ___ you will recover. A.faster B.fast C.fastest D.more fast 拓展题：（选择题） ★（ ）1. The harder you study, the ___ grades you will get. A.good B.better C.best D.more good ★（ ）2. The more vegetables you eat, the ___ your body will be. A.strongest B.strong C.stronger D.more strong ★（ ）3. The less stress you have, the ___ you will feel. A.more happy B.happy C.happiest D.happier 考点5：because / because of 辨析 基础题：（选择题） ◇（ ）1. Olivia is tired ___ she didn't sleep well. A.because B.because of C.so D.for ◇（ ）2. Chen Wei stayed at home ___ the flu. A.because B.because of C.so D.for ◇（ ）3. Bella has a cold ___ walking in the rain. A.so B.because C.because of D.for 提升题：（选择题） ▷（ ）1. They feel weak ___ not getting enough exercise. A.for B.because C.so D.because of ▷（ ）2. Zhang Hao is sick ___ he ate too much. A.because B.because of C.so D.for ▷（ ）3. Lily has a headache ___ studying too long. A.because B.because of C.so D.for 拓展题：（选择题） ★（ ）1. The team lost the game ___ the bad weather. A.so B.because C.because of D.for ★（ ）2. Olivia feels energetic ___ she sleeps well every night. A.for B.because of C.so D.because ★（ ）3. Many people get sick ___ the cold weather. A.because of B.because C.so D.for 考点6：it is + adj. + to do 基础题：（选择题） ◇（ ）1. ___ is important to drink enough water. A.This B.It C.That D.One ◇（ ）2. It is good ___ exercise every day. A.taking B.take C.to take D.takes ◇（ ）3. It is necessary ___ enough sleep. A.gets B.get C.getting D.to get 提升题：（选择题） ▷（ ）1. It is helpful ___ a balanced diet. A.to eat B.eat C.eating D.eats ▷（ ）2. It is bad for your health ___ too late. A.stay B.to stay up C.staying D.stays ▷（ ）3. It is easy ___ sick if you don't wash hands. A.getting B.get C.to get D.gets 拓展题：（选择题） ★（ ）1. It is difficult ___ healthy habits. A.forms B.form C.forming D.to form ★（ ）2. It is important ___ hands before meals. A.to wash B.wash C.washing D.washes ★（ ）3. It is dangerous ___ medicine without a doctor. A.take B.to take C.taking D.takes 考点7：祈使句（建议/命令） 基础题：（选择题） ◇（ ）1. ___ more water when you have a fever. A.To drink B.Drinks C.Drink D.Drinking ◇（ ）2. Please ___ your hands often. A.to wash B.washes C.washing D.wash ◇（ ）3. Don't ___ too late. It is bad for you. A.stay up B.stays up C.staying up D.to stay up 提升题：（选择题） ▷（ ）1. ___ to bed early, Bella. A.Goes B.Go C.To go D.Going ▷（ ）2. Let's ___ some exercise together. A.taking B.takes C.take D.to take ▷（ ）3. Don't ___ so much junk food. A.to eat B.eats C.eating D.eat 拓展题：（选择题） ★（ ）1. Please ___ your teeth twice a day. A.brush B.brushes C.brushing D.to brush ★（ ）2. —___ we go for a walk? —Good idea! A.Do B.Let C.Are D.Will ★（ ）3. Don't ___ in bed all day. Get up and move! A.lying B.lies C.lie D.to lie 考点8：情态动词 must / mustn't / have to 辨析 基础题：（选择题） ◇（ ）1. You ___ see a doctor if you have a fever. A.can to B.have to C.should to D.must ◇（ ）2. You ___ eat too much sugar. It is bad for your teeth. A.mustn't B.must C.have to D.should ◇（ ）3. Chen Wei ___ take this medicine three times a day. A.have to B.must C.should to D.can to 提升题：（选择题） ▷（ ）1. Olivia is sick. She ___ go to school today. A.has to B.must C.can't D.should ▷（ ）2. You ___ smoke here. It is not allowed. A.should B.must C.have to D.mustn't ▷（ ）3. Bella ___ drink this medicine before meals. A.has to B.must C.should to D.can to 拓展题：（选择题） ★（ ）1. Patients ___ follow the doctor's advice. A.have to B.must C.should to D.can to ★（ ）2. You ___ play with your phone while walking. A.have to B.must C.mustn't D.should ★（ ）3. Lily is too sick. She ___ stay in bed. A.can to B.must C.should to D.has to 考点9：be good for / be bad for / be good at 辨析 基础题：（选择题） ◇（ ）1. Eating vegetables is ___ your health. A.good for B.good at C.bad for D.good with ◇（ ）2. Too much sugar is ___ your teeth. A.good for B.bad for C.good at D.bad with ◇（ ）3. Olivia is ___ swimming. A.bad for B.good for C.good at D.good with 提升题：（选择题） ▷（ ）1. Exercise is ___ your body. A.good with B.good at C.bad for D.good for ▷（ ）2. Watching TV too long is ___ your eyes. A.bad for B.good for C.good at D.bad with ▷（ ）3. Chen Wei is ___ math. A.good for B.good at C.bad for D.good with 拓展题：（选择题） ★（ ）1. Drinking milk is ___ your bones. A.bad for B.good at C.good for D.good with ★（ ）2. Staying up late is ___ your health. A.bad with B.good for C.good at D.bad for ★（ ）3. Bella is ___ playing the piano. A.good at B.good for C.bad for D.good with 考点10：情景交际（谈论健康/就医） 基础题：（选择题） ◇（ ）1. —What's the matter with you? —___ . A.I am a doctor B.I have a headache C.I was sick D.I will be fine ◇（ ）2. —How are you feeling? —___ . A.I was sick B.I am a doctor C.I feel much better D.I will be fine ◇（ ）3. —You look pale. —Yes, I ___ . A.will be fine B.am a doctor C.was sick D.have a cold 提升题：（选择题） ▷（ ）1. —Should I take this medicine? —___ . A.Yes, you should B.Yes, you are C.Yes, you do D.Yes, you will ▷（ ）2. —What should I do? —You ___ drink more water. A.are B.should C.do D.will ▷（ ）3. —I have a stomachache. —You shouldn't ___ . A.eating too much B.to eat too much C.eat too much D.eats too much 拓展题：（选择题） ★（ ）1. —How long have you been sick? —___ two days. A.At B.Since C.In D.For ★（ ）2. —I hope you will be better soon. —___ . A.Thank you B.Yes, I am C.No, I am not D.Excuse me ★（ ）3. —Let's do some exercise. —___ ! A.Thank you B.Good idea C.Goodbye D.Excuse me 第三部分　详细参考解析 考点1：should / shouldn't 表建议 基础题：（选择题） 1. 【答案】A 【解析】建议用 should + 动词原形。 2. 【答案】B 【解析】建议用 should。 3. 【答案】C 【解析】不应该用 shouldn't。 提升题：（选择题） 1. 【答案】D 【解析】建议用 should。 2. 【答案】A 【解析】建议用 should。 3. 【答案】B 【解析】建议用 should。 拓展题：（选择题） 1. 【答案】C 【解析】建议用 should。 2. 【答案】D 【解析】建议用 should。 3. 【答案】A 【解析】不应该用 shouldn't。 考点2：have a + 疾病名词（have a cold/fever/cough/headache） 基础题：（选择题） 1. 【答案】B 【解析】have a fever 发烧。 2. 【答案】C 【解析】have a headache 头痛。 3. 【答案】D 【解析】have a cough 咳嗽。 提升题：（选择题） 1. 【答案】A 【解析】have a stomachache 胃痛。 2. 【答案】B 【解析】have a toothache 牙痛。 3. 【答案】C 【解析】have a cold 感冒。 拓展题：（选择题） 1. 【答案】D 【解析】have the flu 患流感。 2. 【答案】A 【解析】have a pain 疼痛。 3. 【答案】B 【解析】have a pain 疼痛。 考点3：too...to do / enough to do 基础题：（选择题） 1. 【答案】C 【解析】too...to 太……而不能。 2. 【答案】D 【解析】old enough to 足够大可以。 3. 【答案】A 【解析】too...to 太……而不能。 提升题：（选择题） 1. 【答案】B 【解析】too...to 太累而不能。 2. 【答案】C 【解析】strong enough to 足够强壮可以。 3. 【答案】D 【解析】too...for sb...to 对某人来说太……而不能。 拓展题：（选择题） 1. 【答案】A 【解析】too...to 太小而不能理解。 2. 【答案】B 【解析】brave enough to 足够勇敢可以。 3. 【答案】C 【解析】too...to 太病重而不能上班。 考点4：the more...the more（越……越……） 基础题：（选择题） 1. 【答案】D 【解析】the more...the more 比较级叠加。 2. 【答案】A 【解析】the more...the better 越……越好。 3. 【答案】B 【解析】the earlier...the better 越早……越好。 提升题：（选择题） 1. 【答案】C 【解析】the more...the healthier 越……越健康。 2. 【答案】D 【解析】the less...the healthier 越少……越健康。 3. 【答案】A 【解析】the more...the faster 越多……越快。 拓展题：（选择题） 1. 【答案】B 【解析】the harder...the better 越努力……成绩越好。 2. 【答案】C 【解析】the more...the stronger 越多……越强壮。 3. 【答案】D 【解析】the less...the happier 越少压力……越快乐。 考点5：because / because of 辨析 基础题：（选择题） 1. 【答案】A 【解析】because + 从句。 2. 【答案】B 【解析】because of + 名词短语。 3. 【答案】C 【解析】because of + v.-ing 短语。 提升题：（选择题） 1. 【答案】D 【解析】because of + v.-ing 短语。 2. 【答案】A 【解析】because + 从句。 3. 【答案】B 【解析】because of + v.-ing 短语。 拓展题：（选择题） 1. 【答案】C 【解析】because of + 名词短语。 2. 【答案】D 【解析】because + 从句。 3. 【答案】A 【解析】because of + 名词短语。 考点6：it is + adj. + to do 基础题：（选择题） 1. 【答案】B 【解析】It is + adj. + to do 固定句型。 2. 【答案】C 【解析】It is + adj. + to do。 3. 【答案】D 【解析】It is + adj. + to do。 提升题：（选择题） 1. 【答案】A 【解析】It is + adj. + to do。 2. 【答案】B 【解析】It is + adj. + to do。 3. 【答案】C 【解析】It is + adj. + to do。 拓展题：（选择题） 1. 【答案】D 【解析】It is + adj. + to do。 2. 【答案】A 【解析】It is + adj. + to do。 3. 【答案】B 【解析】It is + adj. + to do。 考点7：祈使句（建议/命令） 基础题：（选择题） 1. 【答案】C 【解析】祈使句用动词原形 Drink。 2. 【答案】D 【解析】Please 后接动词原形 wash。 3. 【答案】A 【解析】Don't 后接动词原形 stay up。 提升题：（选择题） 1. 【答案】B 【解析】祈使句用动词原形 Go。 2. 【答案】C 【解析】Let's 后接动词原形 take。 3. 【答案】D 【解析】Don't 后接动词原形 eat。 拓展题：（选择题） 1. 【答案】A 【解析】Please 后接动词原形 brush。 2. 【答案】B 【解析】Let's 提议用 Let。 3. 【答案】C 【解析】Don't 后接动词原形 lie。 考点8：情态动词 must / mustn't / have to 辨析 基础题：（选择题） 1. 【答案】D 【解析】必须用 must。 2. 【答案】A 【解析】禁止用 mustn't。 3. 【答案】B 【解析】必须用 must。 提升题：（选择题） 1. 【答案】C 【解析】不能去用 can't。 2. 【答案】D 【解析】禁止用 mustn't。 3. 【答案】A 【解析】客观必须用 has to。 拓展题：（选择题） 1. 【答案】B 【解析】必须用 must。 2. 【答案】C 【解析】禁止用 mustn't。 3. 【答案】D 【解析】客观必须用 has to。 考点9：be good for / be bad for / be good at 辨析 基础题：（选择题） 1. 【答案】A 【解析】对……有益用 good for。 2. 【答案】B 【解析】对……有害用 bad for。 3. 【答案】C 【解析】擅长用 good at。 提升题：（选择题） 1. 【答案】D 【解析】对……有益用 good for。 2. 【答案】A 【解析】对……有害用 bad for。 3. 【答案】B 【解析】擅长用 good at。 拓展题：（选择题） 1. 【答案】C 【解析】对……有益用 good for。 2. 【答案】D 【解析】对……有害用 bad for。 3. 【答案】A 【解析】擅长用 good at。 考点10：情景交际（谈论健康/就医） 基础题：（选择题） 1. 【答案】B 【解析】回答病情用 have a headache。 2. 【答案】C 【解析】回答感觉用 feel much better。 3. 【答案】D 【解析】脸色苍白说明感冒 have a cold。 提升题：（选择题） 1. 【答案】A 【解析】Should 提问用 should 回答。 2. 【答案】B 【解析】建议用 should。 3. 【答案】C 【解析】shouldn't 后接动词原形 eat。 拓展题：（选择题） 1. 【答案】D 【解析】For + 时间段。 2. 【答案】A 【解析】感谢用 Thank you。 3. 【答案】B 【解析】提议用 Good idea。 — 第 页 — 学科网（北京）股份有限公司 $