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人教版（2024）八年级下册Unit 2 Stay healthy语法专项训练答案+解析
反身代词专项练习题
一、用括号内所给代词的适当形式填空
1. himself
解析：主语为the little boy（男性单数），反身代词用himself，dress oneself为固定搭配“自己穿衣服”。
2. ourselves
解析：主语为we（第一人称复数），反身代词用ourselves，protect oneself为固定搭配“保护自己”。
3. yourselves
解析：后有kids（复数），可知主语为第二人称复数，反身代词用yourselves，help oneself to sth.为固定搭配“随便吃某物”。
4. herself
解析：主语为she（女性单数），反身代词用herself，buy oneself sth.为“给自己买某物”。
5. itself
解析：主语为the robot（指物单数），反身代词用itself，by oneself为固定搭配“独自”。
6. yourself/yourselves
解析：主语为you（可单可复），反身代词对应用yourself（单数）/yourselves（复数），look after oneself为固定搭配“照顾自己”。
7. themselves
解析：主语为they（第三人称复数），反身代词用themselves，enjoy oneself为固定搭配“玩得开心”。
8. myself
解析：主语为I（第一人称单数），反身代词用myself，teach oneself为固定搭配“自学”。
9. yourself/yourselves
解析：主语为you（可单可复），反身代词对应用yourself（单数）/yourselves（复数），hurt oneself为固定搭配“伤到自己”。
10. themselves
解析：主语为the students（第三人称复数），反身代词用themselves，by oneself为固定搭配“独自”。
11. himself
解析：主语为he（男性单数），反身代词用himself，talk to oneself为固定搭配“自言自语”。
12. ourselves
解析：主语为we（第一人称复数），反身代词用ourselves，be strict with oneself为固定搭配“对自己严格要求”。
13. themselves
解析：主语为they（指父母，第三人称复数），反身代词用themselves，remind oneself of sth.为“提醒自己某事”。
14. herself
解析：主语为Helen（女性单数），反身代词用herself，enjoy oneself为固定搭配“玩得开心”。
15. myself
解析：主语为I（第一人称单数），反身代词用myself，introduce oneself为固定搭配“自我介绍”。
16. itself
解析：主语为the story（指物单数），反身代词用itself，此处作同位语，强调“故事本身”。
17. Their
解析：此处修饰名词favourite sport，需用形容词性物主代词，Tom and Jerry为复数，故用Their（首字母大写）。
18. themselves
解析：主语为they（指students，第三人称复数），反身代词用themselves，protect oneself为固定搭配“保护自己”。
19. ourselves
解析：主语为we（第一人称复数），反身代词用ourselves，believe in oneself为固定搭配“相信自己”。
20. yourself/yourselves
解析：主语为you（可单可复），反身代词对应用yourself（单数）/yourselves（复数），look after oneself为固定搭配“照顾自己”。
二、单项选择
1. B (myself)
解析：根据答语“没人教”，可知是“自学”，teach oneself为固定搭配，主语为I，反身代词用myself。
2. C (himself)
解析：by oneself为固定搭配“独自生活”，主语为the old man（男性单数），反身代词用himself。
3. B (yourselves)
解析：后有children（复数），可知是对第二人称复数说话，help oneself to sth.中反身代词用yourselves。
4. C (herself)
解析：by oneself为固定搭配“独自”，主语为she（女性单数），反身代词用herself。
5. A (ourselves)
解析：look after oneself为固定搭配“照顾自己”，主语为we，反身代词用ourselves。
6. C (herself)
解析：look after oneself为固定搭配“照顾自己”，主语为the little girl（女性单数），反身代词用herself。
7. A (yourselves)
解析：enjoy oneself为固定搭配“玩得开心”，答语中we提示主语为第二人称复数，反身代词用yourselves。
8. C (itself)
解析：主语为the machine（指物单数），反身代词用itself，表“机器自己修理自己”。
9. D (yourself)
解析：be strict with oneself为固定搭配“对自己严格要求”，主语为you（单数），反身代词用yourself。
10. C (themselves)
解析：by oneself为固定搭配“独自”，主语为they，反身代词用themselves。
11. D (myself)
解析：hurt oneself为固定搭配“伤到自己”，主语为I，反身代词用myself。
12. A (ourselves)
解析：introduce oneself为固定搭配“自我介绍”，主语为us，反身代词用ourselves。
情态动词专项练习题
一、用 should / shouldn’t / could 填空
1. should
解析：饭前洗手是保持健康的正确做法，should表“应该”，提出正面劝告。
2. shouldn’t
解析：熬夜对身体有害，shouldn’t表“不应该”，提出负面劝告。
3. should
解析：牙疼时应立刻看牙医，should表“应该”，符合健康常识的劝告。
4. shouldn’t
解析：用脏手揉眼睛是不好的行为，shouldn’t表“不应该”。
5. should
解析：每天锻炼是保持健康的正确做法，should表“应该”。
6. should
解析：感冒时多喝温水是正确的做法，should表“应该”。
7. shouldn’t
解析：垃圾食品不健康，不应该多吃，shouldn’t表“不应该”。
8. could/should
解析：感到累时可以/应该休息，could表委婉建议，should表直接劝告，二者均符合语境。
9. shouldn’t
解析：发烧时不宜上学，shouldn’t表“不应该”。
10. could/should
解析：听轻音乐放松是可行的建议，could表委婉建议，should表直接劝告，二者均符合语境。
11. should
解析：天冷时穿厚衣服是正确的做法，should表“应该”。
12. could/should
解析：减肥时多吃蔬菜是合理的建议，could表委婉建议，should表直接劝告，二者均符合语境。
二、单项选择
1. A (should)
解析：问句询问头疼的做法，答语是直接的健康劝告，should表“应该”，符合语境。
2. B (shouldn’t)
解析：公共场合吸烟是被禁止的，shouldn’t表“不应该”。
3. A (should)
解析：感到压力大时和父母朋友交谈是合理的建议，should表“应该”，提出正面劝告。
4. A (should; could)
解析：第一空问句是询问“应该带什么”，用should；第二空答语是委婉提出建议，用could。
5. B (shouldn’t)
解析：吃太多糖对牙齿不好，shouldn’t表“不应该”。
6. A (should)
解析：身体不舒服时早睡是正确的做法，should表“应该”。
7. C (could)
解析：答语是委婉提出保持健康的建议，could比should语气更委婉，符合语境。
8. B (shouldn’t)
解析：按时吃药是必要的，不应该忘记，shouldn’t表“不应该”。
9. A (should)
解析：嗓子疼时喝蜂蜜水是健康常识，should表“应该”，提出直接劝告。
10. A (should; could)
解析：第一空问句询问“应该做什么预防流感”，用should；第二空答语委婉提出建议，用could。
11. B (shouldn’t)
解析：走廊里跑步很危险，shouldn’t表“不应该”。
12. A (should)
解析：改善健康从均衡饮食开始是合理的建议，should表“应该”，语气肯定且符合语境。
三、句型转换
1. shouldn’t eat
解析：should的否定形式为shouldn’t，后接动词原形，故填shouldn’t eat。
2. Should; see
解析：含should的陈述句变一般疑问句，将should提至句首，主语后接动词原形see。
3. should take（答案不唯一，也可填ought to take）
解析：could表建议时，可与should互换，后均接动词原形，故填should take。
4. What should; do
解析：划线部分为wear masks（具体动作），用what提问，含should的特殊疑问句结构为“疑问词+should+主语+动词原形”，故填What should; do。
5. should go
解析：“不应该熬夜”同义于“应该早睡”，should后接动词原形go，go to bed为固定搭配“上床睡觉”。
6. couldn’t help（或could not help）
解析：could的否定形式为couldn’t/could not，后接动词原形help。
7. Yes; should
解析：含should的一般疑问句作肯定回答，用“Yes, 主语+should”，问句主语为we，答语主语用you。
8. Drink/Please drink
解析：含should的陈述句变祈使句，直接用动词原形开头，可加Please表礼貌，故填Drink/Please drink。
9. What could; do
解析：划线部分为listen to music（具体动作），用what提问，含could的特殊疑问句结构为“疑问词+could+主语+动词原形”，故填What could; do。
10. should/ought to
解析：“不应该上学迟到”同义于“应该按时上学”，should/ought to均表“应该”，后接动词原形be。人教版（2024）八年级下册Unit 2 Stay healthy
反身代词和情态动词核心语法总结 + 专项训练
反身代词语法总结
反身代词是英语中表达“……自己；本身”含义的一类代词，是在第一人称、第二人称形容词性物主代词或第三人称人称代词宾格形式的词尾加 self 或 selves 组成。反身代词的形式请见下表。
反身代词用作主语或宾语的同位语时，一般用于强调，常译为“本人；亲自”。常见的可接反身代词作宾语的动词或短语动词有 cut、hurt、protect、teach、enjoy、help、take care of、look after 等。
常见反身代词固定搭配：
动词 + 反身代词
hurt oneself：伤到自己 cut oneself：割伤自己
protect oneself：保护自己 help oneself (to sth.)：随便吃/用某物
enjoy oneself：玩得开心 teach oneself：自学
look after oneself：照顾自己 take care of oneself：照顾自己
dress oneself：自己穿衣服 introduce oneself：自我介绍
be oneself：做自己；身体好 talk to oneself：自言自语
介词 + 反身代词 固定搭配
by oneself：独自；亲自 for oneself：为自己；亲自
in oneself：本身；本质 to oneself：暗自；私下
be hard on oneself：对自己太苛刻
系动词 + 反身代词 固定搭配
feel oneself：感觉正常；身体舒服 be not oneself：身体不适；状态不对
come to oneself：苏醒；恢复知觉
反身代词专项练习题
一、用括号内所给代词的适当形式填空。
1. The little boy can dress __________ (he) now.
2. We should learn to protect __________ (we) from danger.
3. Help __________ (you) to some fish, kids!
4. She bought __________ (she) a new bag for her birthday.
5. The robot can clean the room by __________ (it).
6. You must look after __________ (you) when I’m not at home.
7. They enjoyed __________ (they) at the party last night.
8. I taught __________ (I) to play the piano when I was free.
9. Be careful! Don’t hurt __________ (you) with the knife.
10. The students made the model plane by __________ (they).
11. He often talks to __________ (he) when he is alone.
12. We should be strict with __________ (we) in our studies.
13．When my parents travel, they always take photos to remind _______ (they) of the wonderful time.
14．Helen, a British student, will enjoy ________ (she) during the summer holiday in China.
15．First of all, let me introduce________ (I) to you.
16．The story ________ (it) was very good, but you didn’t tell it well.
17．Tom and Jerry have a lot in common. ________ (they) favourite sport is basketball.
18．The students are young, but they know how to protect ________ (they).
19．We should believe in ______ (we).
20．You should look after ______ (you) when your parents are out.
二、单项选择。
( )1. —Who taught you to swim
—Nobody. I taught __________.
A. me B. myself C. mine D. my
( )2. The old man lives by __________ in the small village.
A. him B. his C. himself D. he
( )3. Help __________ to some fruit, children.
A. yourself B. yourselves C. you D. yours
( )4. She finished the work all by __________.
A. her B. hers C. herself D. she
( )5. We should look after __________ well.
A. ourselves B. our C. us D. ours
( )6. The little girl can look after __________ now.
A. she B. her C. herself D. hers
( )7. — Did you enjoy __________ at the party
—Yes, we had a great time.
A. yourselves B. yourself C. you D. yours
( )8. The machine can repair __________ when it breaks down.
A. it B. its C. itself D. it’s
( )9. You must be strict with __________ in your work.
A. you B. your C. yours D. yourself
( )10. They built the house by __________.
A. them B. their C. themselves D. theirs
( )11. I hurt __________ when I played basketball yesterday.
A. me B. my C. mine D. myself
( )12. The teacher asked us to introduce __________ in English.
A. ourselves B. our C. us D. ours
情态动词语法总结
情态动词（Modal Verbs）:情态动词可以用来表示提议或建议。
1. should
情态动词 should 作“应该；应当；可以”讲，用以表达职责和义务、提出劝告，而且表述的是自己的主观看法。例如：
When you have the flu, you should wear a mask when you’re outside.
患流感时，你出门应戴上口罩。
If you did something wrong, you should say sorry.
如果是你做错了什么，你应该道歉。
should 的否定式是 should not / shouldn’t，意思是“不应当；不该”。例如：
You shouldn’t eat so much next time. 下次你可不要吃这么多了。
We shouldn’t judge a book by its cover. 我们不应该以貌取人。
2. could
情态动词 could 也用于提出建议，比 can 语气更为委婉。例如：
A: What should I take with me to the party 我去参加聚会应该带点什么呢？
B: You could take some fruit or flowers. 你可以带些水果或鲜花。
If you want to say sorry, you could call him. 如果你想道歉，你可以给他打电话。
情态动词专项练习题
一、用 should / shouldn’t / could 填空。
1. You __________ (should / shouldn’t) wash your hands before meals to keep healthy.
2. We __________ (should / shouldn’t) stay up too late, because it’s bad for our body.
3. If you have a toothache, you __________ (should / shouldn’t) see a dentist right away.
4. You __________ (should / shouldn’t) touch your eyes with dirty hands.
5. To keep fit, we __________ (should / shouldn’t) do exercise every day.
6. He has a cold, so he __________ (should / shouldn’t) drink more warm water.
7. You __________ (should / shouldn’t) eat too much junk food, it’s unhealthy.
8. If you feel tired, you __________ (could / should) take a short rest.
9. When you have a fever, you __________ (should / shouldn’t) go to school.
10. You __________ (could / should) try to listen to light music to relax yourself.
11. We __________ (should / shouldn’t) wear warm clothes in cold weather.
12. If you want to lose weight, you __________ (could / should) eat more vegetables.
二、单项选择。
( )1. —I have a headache. What should I do
—You __________ lie down and rest.
A. should B. shouldn’t C. could D. can’t
( )2. You __________ smoke in public places. It’s not allowed.
A. should B. shouldn’t C. could D. can
( )3. If you feel stressed, you __________ talk to your parents or friends.
A. should B. shouldn’t C. couldn’t D. need
( )4. —What __________ I take to the picnic
—You __________ take some healthy snacks and water.
A. should; could B. could; should C. should; can’t D. could; shouldn’t
( )5. We __________ eat too much sugar, because it’s bad for our teeth.
A. should B. shouldn’t C. could D. can
( )6. You __________ go to bed early if you don’t feel well.
A. should B. shouldn’t C. could D. needn’t
( )7. —I don’t know how to keep healthy.
—You __________ try to do more outdoor activities.
A. should B. shouldn’t C. could D. need
( )8. You __________ forget to take your medicine on time.
A. should B. shouldn’t C. could D. can
( )9. If you have a sore throat, you __________ drink some honey water.
A. should B. shouldn’t C. could D. need
( )10. —What __________ we do to protect ourselves from the flu
—You __________ wear masks and wash hands often.
A. should; could B. could; should C. should; can’t D. could; shouldn’t
( )11. You __________ run in the hallway, it’s dangerous.
A. should B. shouldn’t C. could D. can
( )12. If you want to improve your health, you __________ start with a balanced diet.
A. should B. shouldn’t C. could D. need
三、句型转换。
1. You should eat more vegetables.（改为否定句）
You __________ __________ more vegetables.
2. You should see a doctor.（改为一般疑问句）
__________ I __________ a doctor
3. You could take some exercise to keep fit.（改为同义句）
You __________ __________ some exercise to keep fit.
4. We should wear masks in public.（对划线部分提问）
__________ __________ we __________ in public
5. You shouldn’t stay up late.（改为同义句）
You __________ __________ to bed early.
6. You could help your parents with housework.（改为否定句）
You __________ __________ your parents with housework.
7. Should we eat less junk food （作肯定回答）
__________, you __________.
8. You should drink plenty of water.（改为祈使句）
__________ __________ plenty of water.
9. You could listen to music to relax.（对划线部分提问）
__________ __________ I __________ to relax
10. We shouldn’t be late for school.（改为同义句）
We __________ __________ be on time for school.

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