Unit 2 易错点和练习 2025-2026学年人教版八年级英语下册

新人教版八年级下册 Unit 2 Stay Healthy 同步随堂检测 + 课后巩固（含答案）+ 单元易错点总结 第一部分 单元易错点总结（考试高频・教师必备） 一、单词易错点 health (n.) / healthy (adj.) / unhealthy (adj.) keep healthy = keep in good health（不能说 keep health） ill / sick 都表示 “生病的”；ill 不能作定语 toothache / headache / stomachache 并列记忆，易漏字母 enough 修饰形容词 / 副词后置，修饰名词前置 advice (不可数 n.) 不能加 s，不能说 an advice suggest (v.) / advice (n.) 词性混用高频错 necessary 拼写易错，常少写 c 或 s fresh 常与 fruit, vegetables, air 搭配 二、短语易错点 stay healthy 保持健康 have a cold / have a fever / have a headache see a doctor 看医生 take some medicine 吃药（medicine 不可数） drink enough water 喝足够的水 stay up late 熬夜 go to bed early 早睡 follow the doctor’s advice 听从医嘱 keep clean 保持干净 wash hands often 勤洗手 had better (not) do sth. 最好（不）做某事 too much + 不可数名词；much too + 形容词 三、语法易错点 had better (not) + 动词原形 不加 to should /shouldn’t + 动词原形 enough 位置：形 / 副后，名词前 advice 不可数；a piece of advice What’s wrong with you? = What’s the matter with you? 一般现在时：三单动词变化 第二部分 同步随堂检测 + 课后巩固 一、根据句意及首字母提示写单词（10 分） 1 We should do sports to s______ healthy. 2 Eating vegetables is good for our h______. 3 I have a t______ because I eat too much sugar. 4 He has a f______ and he needs to rest. 5 You should see a d______ if you feel terrible. 6 Take some m______ three times a day. 7 You must drink e______ water every day. 8 Don’t s______ up late. It’s bad for you. 9 It’s n______ for us to keep healthy. 10 The doctor gives me some useful a______. 二、单项选择（20 分） ( ) 1. We should ______ healthy every day. A. stay B. stays C. staying D. to stay ( ) 2. You have a cold. You ______ stay in bed. A. had better B. had better to C. better D. better to ( ) 3. He is ______ to go to school. A. enough well B. well enough C. enough good D. good enough ( ) 4. We shouldn’t eat ______ junk food. A. too much B. much too C. too many D. many too ( ) 5. — What’s wrong with you? — I have ______ toothache. A. a B. an C. the D. / ( ) 6. You should ______ the doctor’s advice. A. take B. get C. follow D. make ( ) 7. She often ______ early to keep healthy. A. go to bed B. goes to bed C. going to bed D. to go to bed ( ) 8. It’s important ______ hands often. A. wash B. to wash C. washing D. washes ( ) 9. He feels ill. He ______ go to school today. A. should B. can C. shouldn’t D. must ( )10. The teacher gives me ______ on study. A. some advice B. some advices C. an advice D. many advice 三、用所给词的适当形式填空（10 分） 1 We should ________ (stay) healthy. 2 You had better ________ (not eat) too much sugar. 3 He needs ________ (drink) more water. 4 She often ________ (wash) her hands before meals. 5 It’s good for us ________ (do) sports. 四、句型转换（10 分） 1 You should eat more vegetables.（否定句） You ________ ________ eat more vegetables. 2 He has a bad cold.（划线提问） ________ ________ with him? 3 You had better go to see a doctor.（否定句） You had better ________ ________ to see a doctor. 4 We should keep healthy.（同义句） We should keep ________ good ________. 5 She drinks enough water every day.（一般疑问句） ________ she ________ enough water every day? 五、完形填空（10 分） It is important for us to stay healthy. We need good habits. We should eat 1 food. We shouldn’t eat 2 junk food. We should 3 early and get up early. Don’t 4 late. If you feel ill, you should 5 a doctor. ( ) 1. A. unhealthy B. healthy C. bad D. well ( ) 2. A. too much B. much too C. too many D. many too ( ) 3. A. go to bed B. goes to bed C. going to bed D. to go to bed ( ) 4. A. stay up B. get up C. wake up D. look up ( ) 5. A. look B. watch C. see D. visit 第3部分 完整参考答案 一、单词拼写 stay 2. health 3. toothache 4. fever 5. doctor medicine 7. enough 8. stay 9. necessary 10. advice 二、单项选择 1.A 2.A 3.B 4.A 5.A 6.C 7.B 8.B 9.C 10.A 三、词形填空 1 stay 2. not eat 3. to drink 4. washes 5. to do 四、句型转换 1 should not 2 What’s wrong 3 not go 4 in; health 5 Does; drink 五、完形填空 1.B 2.A 3.A 4.A 5.C 学科网（北京）股份有限公司 $