Unit 2 Stay Healthy 单元语法（表建议的情态动词（should、could）和反身代词）-2025-2026学年八年级英语下册单元练习(人教版)

Unit 2 Stay Healthy 表建议的情态动词(should、could)和反身代词 （时间：40分钟，满分：100分） 一、单项选择(本大题共30小题，每小题2分，共60分) 1．—What’s the matter with you? —I have a stomachache. I ate too much last night. —You ________ eat so much next time. A．should B．shouldn’t C．could D．couldn’t 【答案】B 【详解】句意：——你怎么了？——我胃疼。昨晚我吃太多了。——下次你不应该吃这么多。 考查情态动词辨析。should应该；shouldn’t不应该；could能够；couldn’t不能够。根据“I ate too much last night.”（昨晚我吃太多了）可知，建议下次“不应该”吃这么多，shouldn’t符合语境。故选B。 2．To protect your eyes, you ________ rest your eyes every 20 minutes. A．should B．shouldn’t C．could D．couldn’t 【答案】A 【详解】句意：为了保护眼睛，你应该每隔20分钟让眼睛休息一下。 考查情态动词辨析。should应该；shouldn’t不应该；could可以；couldn’t不可以。根据“To protect your eyes”（为了保护眼睛）可知，这是合理的建议，应用should表示“应该”。故选A。 3．You look pale. You ________ see a doctor right now. A．should B．can C．may D．could 【答案】A 【详解】句意：你看起来脸色苍白。你现在应该立刻去看医生。 考查情态动词辨析。should应该；can能够；may可能；could可以（can的过去式）。根据前句“You look pale.”（脸色苍白）可知，此处表达一种建议或必要性，强调“应该”立即采取行动。should 用于提出建议或劝告，符合语境。故选A。 4．—What should we do to improve teamwork? —We ________ communicate more with each other. A．should B．have to C．may D．can 【答案】A 【详解】句意：——我们应该做什么来提高团队合作？——我们应该多互相沟通。 考查情态动词辨析。should应该；have to不得不；may可能；can能。根据问句“What should we do to improve teamwork?”可知，回答是针对建议的回应，表示提出建议或推荐，应用should来呼应问句中的should，表达“应该”之意。故选A。 5．— Should I take some medicine? — No, you ________. You just need to have a good rest. A．shouldn’t B．can’t C．don’t D．won’t 【答案】A 【详解】句意：——我应该吃点药吗？——不，你不应该。你只需要好好休息。 考查情态动词辨析。shouldn’t不应该；can’t不能；don’t不；won’t不会。根据问句“Should I take some medicine?”及答语“No”可知，此处应否定对方的建议，表示“不应该吃药”，用shouldn’t。故选A。 6．—I feel terrible. I have a bad cough. —You ________ go to the doctor and get some rest. A．should B．shouldn’t C．could 【答案】A 【详解】句意：——我感觉很难受，我咳嗽得很厉害。——你应该去看医生并休息一下。 考查情态动词辨析。should应该；shouldn’t不应该；could可以。根据前句“I feel terrible. I have a bad cough.”可知，说话者身体不适，所以后句应给出建议“应该去看医生”，表示劝告或建议。故选A。 7．—What should I take for the picnic? — You _______ bring some fruit and drinks. A．could B．should C．must D．A and B 【答案】D 【详解】句意：——野餐我应该带些什么？——你可以带一些水果和饮料或者你应该带一些水果和饮料。 could可以；should应该；must必须。此处表示建议，可以带一些水果和饮料，也可以用should表示建议，应填could/should。 8．You look pale. You _______ see a doctor. A．could B．should C．would D．A and B 【答案】D 【详解】句意：——你脸色苍白。你应该去看医生。 could可以；should应该；would将会。脸色苍白，所以“应该”去看医生，“could”在这里也符合语境，表示一种建议的可能性，即“可以”去看医生，应填could/should。 9．My car is broken. ________ you please give me a lift? A．Must B．Need C．Could 【答案】C 【详解】句意：我的车坏了。你能载我一程吗？ Must必须；Need需要；Could能，可以。根据语境可知，此处是询问对方是否可以载自己一程，“Could you please...?”是常见的委婉请求句型，表示“你能……吗？”，应填Could。 10．— ________ I use your phone? Mine doesn’t work. — Sure, here you are. A．Must B．Should C．Could D．Need 【答案】C 【详解】句意：——我可以用你的电话吗？我的电话坏了。——当然，给你。 考查情态动词辨析。Must必须；Should应该；Could可以；Need需要。根据答语“Sure, here you are.”可知，此处是礼貌地请求许可，用“Could”表示委婉的询问。故选C。 11．She taught ________ to play the piano. A．her B．herself C．she D．hers 【答案】B 【详解】句意：她教自己弹钢琴。 her她；herself她自己；she她；hers她的。根据句意可知，此处强调“她自己”，teach oneself 自学，应填herself。 12．Be careful with the knife, or you’ll cut _______. A．you B．your C．yourself D．yours 【答案】C 【详解】句意：小心刀，否则你会伤到你自己。 you你；your你的；yourself你自己；yours你的。此处指伤到你自己，cut yourself 伤到自己，应填yourself。 13．The little girl can finish her homework ________. She doesn’t need any help. A．on her own B．with others C．by herself D．for herself 【答案】C 【详解】句意：这个小女孩能独立完成她的家庭作业。她不需要任何帮助。 on her own独自地，强调客观状态；with others和他人一起；by herself独自地，强调主观行为；for herself为自己。根据“She doesn’t need any help.”可知，她不需要任何帮助，说明她能自己完成作业，强调主观上独立完成，常用“by oneself”表示“独自地”，应填by herself。 14．The old man hurt ________ when he fell down. A．he B．him C．his D．himself 【答案】D 【详解】句意：那位老人摔倒时伤到了自己。 考查代词辨析。he他，主格；him他，宾格；his他的，形容词性物主代词/名词性物主代词；himself他自己，反身代词。根据“The old man hurt…”可知，老人摔倒时伤到的是“他自己”，需用反身代词表示动作作用于主语自身。故选D。 15．Help ________ to some fish, children. A．you B．your C．yourselves D．yourself 【答案】C 【详解】句意：孩子们，请随便吃些鱼。 考查反身代词。you你/你们，主格或宾格；your你的/你们的，形容词性物主代词；yourselves你们自己，反身代词；yourself你自己，反身代词。根据句意和称呼children (孩子们) 可知，此处是对多人说话，应用复数反身代词yourselves，构成固定搭配help oneself to... (请自便……)。故选C。 16．She taught ________ English when she was young. A．she B．her C．hers D．herself 【答案】D 【详解】句意：她年轻时自学了英语。 考查反身代词。she她，主格；her她，宾格；hers她的，名词性物主代词；herself她自己，反身代词。根据句意，主语“She”与宾语是同一人，表示“自学”应用反身代词“herself”。故选D。 17．These two children enjoyed ________ on the farm. A．himself B．themselves C．itself 【答案】B 【详解】句意：这两个孩子在农场玩得很开心。 考查反身代词辨析。himself他自己；themselves他们自己；itself它自己。主语“These two children”是复数，反身代词需与主语在数上保持一致，表示“他们自己”。故选B。 18．As a cosplayer, Jenny often dresses ________ up as different popular cartoon characters. A．she B．her C．herself D．hers 【答案】C 【详解】句意：作为一名角色扮演者，珍妮经常把自己打扮成不同的流行卡通人物。 考查代词辨析。she她，主格，在句中作主语；her她（宾格），她的（形容词性物主代词）；herself她自己，反身代词；hers她的，名词性物主代词。根据“dresses...up as different popular cartoon characters”可知，此处是固定短语dress oneself up as“把……打扮成”，所以应该用反身代词herself。故选C。 19．—Who taught ________ history last year? —Nobody! He learnt it by ________. A．his; himself B．him; himself C．himself; himself 【答案】B 【详解】句意：——去年谁教他历史？——没有人！他自学的。 考查代词用法。his他的，形容词性物主代词或名词性物主代词；him他，宾格；himself他自己，反身代词。第一空前动词“taught”后接双宾语时，结构为“teach sb. sth.”，其中“sb.”用宾格，根据答句“He”可知，此处指代前文提及的某个男性，应用宾格“him”。第二空位于介词“by”后，且主语“He”与动作“learnt”的执行者一致，表示“独自、自己”，应用反身代词“himself”，构成“by oneself”短语。故选B。 20．Boys, you should learn to teach ________ to make improvements. A．yourselves B．yourself C．myself D．ourselves 【答案】A 【详解】句意：男孩们，你们应该学会教自己来取得进步。 考查反身代词辨析。yourselves你们自己；yourself你自己；myself我自己；ourselves我们自己。根据主语“Boys”以及“you”可知，此处反身代词需与主语在人称和数上保持一致，因此用复数形式“yourselves”。故选A。 21．Teenagers should learn to _________ and their ideas clearly instead of keeping silent. A．express themselves B．teach themselves C．be curious about D．look forward to 【答案】A 【详解】句意：青少年应该学会清晰地表达他们的想法而不是保持沉默。 考查动词短语辨析。express themselves表达自己的想法；teach themselves自学；be curious about对……好奇；look forward to期待。根据“and their ideas clearly instead of keeping silent”可知，此处指清晰表达自己和想法，而不是保持沉默，所以应该用express themselves。故选A。 22．—Will your mother help you pack your bags? —No. I usually do it ________. A．ourselves B．herself C．myself 【答案】C 【详解】句意：——你妈妈会帮你收拾行李吗？——不。我通常自己收拾。 考查反身代词辨析。ourselves我们自己；herself她自己；myself我自己。根据“No.”可知妈妈不帮忙，是“我”自己收拾行李，主语是“I”，对应的反身代词是myself。故选C。 23．—You have worked so hard on your painting competition. —Yes, so I want to treat ________ to a new set of paintbrushes as a gift. A．me B．mine C．myself 【答案】C 【详解】句意：——你在绘画比赛中非常努力。——是的，所以我想奖励自己一套新画笔作为礼物。 考查代词辨析。me我；mine我的；myself我自己。根据“I want to treat...”可知是奖励自己，用反身代词myself。故选C。 24．—Alice is an excellent girl! —That’s right. She can always take good care of ________ when she is at home alone. A．myself B．herself C．yourself D．himself 【答案】B 【详解】句意：——爱丽丝是个很优秀的女孩！——没错。她独自在家时总能把自己照顾得很好。 考查反身代词辨析。myself我自己；herself她自己；yourself你自己；himself他自己。根据主语“She”可知，此处需用对应的反身代词herself，指代她照顾自己。故选B。 25．Mandy, we can’t do everything for you. You have to depend on ________ now. A．you B．your C．yourself D．yourselves 【答案】C 【详解】句意：曼迪，我们不能为你做所有事。现在你得依靠你自己了。 考查代词辨析。you你/你们；your你的/你们的；yourself你自己；yourselves你们自己。 “depend on”是动词短语，后接宾语，主语you在此处指代Mandy，对应的反身代词应为yourself。故选C。 26．—Fin made great progress in the last exam. Who taught ________? —No one. He taught ________. A．he; him B．him; himself C．he; himself D．him; him 【答案】B 【详解】句意：——Fin在上次考试中取得了很大进步。谁教他的？——没人。他是自学的。 考查代词辨析。he他，人称代词主格；him他，人称代词宾格；himself他自己，反身代词。设空处前是动词“taught”，接人称代词宾格him；第二空表示“自学”，需用反身代词。故选B。 27．I made a birthday card for my mother by ________. A．yourself B．myself C．herself 【答案】B 【详解】句意：我自己给妈妈做了一张生日贺卡。 考查代词辨析。yourself你自己；myself我自己；herself她自己。根据“I made a birthday card for my mother by”可知，该句主语是“I”，且此处指自己亲手做了一张生日贺卡给妈妈，myself符合语境，by oneself“独自”，是固定短语。故选B。 28．Lily’s parents aren’t at home today. She has to make dinner by ______. A．her B．hers C．herself 【答案】C 【详解】句意：莉莉的父母今天不在家，她得自己做饭。 考查反身代词的用法。her她的，形容词性物主代词或宾格；hers她的，名词性物主代词；herself她自己，反身代词。by oneself意为“独自”，为固定用法，所以此处用反身代词。故选C。 29．Daniel, making friends with others doesn’t mean losing ________. A．yourself B．myself C．themselves 【答案】A 【详解】句意：丹尼尔，与他人交朋友并不意味着失去自我。 考查反身代词。yourself你自己；myself我自己；themselves他们自己。“lose oneself”是固定搭配，意为“迷失自我”；此句是在直接和丹尼尔对话，是第二人称的语境，指代的是“你（丹尼尔）”，所以要用反身代词yourself“你自己”。故选A。 30．—Do you often help Betty with her English? —No. She learns English by ________. A．himself B．her C．herself D．him 【答案】C 【详解】句意：——你经常帮助贝蒂学习英语吗？——不，她自学英语。 考查反身代词。himself他自己；her她的；herself她自己；him他。根据“she learns English by...”可知她是自学的，用反身代词herself。故选C。 二、单词拼写(本大题共10小题，每小题2分，共20分) 31．The children taught ______ (they) how to play the simple game last weekend. 【答案】themselves 【详解】句意：上周末，孩子们自学了如何玩这个简单的游戏。teach oneself意为“自学”，固定短语，they是人称代词主格，其对应的反身代词是themselves，在此处指代主语“The children”本身。故填themselves。 32．I will do it _________ (I) if you are busy. 【答案】myself 【详解】句意：如果你忙的话，我会自己做这件事。根据“I will do it”和所给代词“I”可知，此处需要表达“我自己”，反身代词myself符合“do it myself”的语境，强调动作由说话者本人完成。故填myself。 33．She can finish the work by ________ (she). 【答案】herself 【详解】句意：她可以独自完成这项工作。“by oneself”是固定短语，意为“独自地，单独地”，强调某人独立完成某事。主语是“She”，所以对应的反身代词是“herself”，表示“她自己”。故填herself。 34．He taught _________ (he) English when he was young. 【答案】himself 【详解】句意：他年轻时自学英语。he“他”，主格，根据“He taught…English”可知，teach oneself sth.“自学……”，此处应用反身代词，he的反身代词为himself。故填himself。 35．Don’t worry. We can solve our problems by ________ (we). 【答案】ourselves 【详解】句意：别担心。我们可以靠我们自己解决我们的问题。we“我们”，人称代词主格；by oneself是固定短语，意为“独自，靠自己”，此处主语是we，对应的反身代词是ourselves。故填ourselves。 36．And only if you have already tried several times to explain ________ (you) in English. 【答案】yourself/yourselves 【详解】句意：而且只有当你/你们已经多次尝试用英语解释自己的意思时。explain oneself是固定搭配，意为“解释自己的意思；说明自己的情况”，主语是you，可表示“你”或“你们”，对应的反身代词是yourself或yourselves。故填yourself/yourselves。 37．The dog can open the door by ________ (it). 【答案】itself 【详解】句意：那只狗能自己开门。“it”它，by oneself“靠自己”，因此填反身代词itself “它自己”。故填itself。 38．Please help ________ to some fish, Tom and Jerry. (you) 【答案】yourselves 【详解】句意：请随便吃点鱼，Tom和Jerry。根据“Please help…to some fish”可知，此处是固定短语help oneself to，意为“请随便吃……”；空处需用反身代词。根据“Tom and Jerry”可知，说话对象为两人，属于第二人称复数，you的反身代词应用其复数形式yourselves。故填yourselves。 39．She is very young. She can’t dress ________. (she) 【答案】herself 【详解】句意：她很年轻。她不能自己穿衣服。根据“She is very young.”可知，是不能自己穿衣服，dress oneself“自己穿衣服”，空处用she的反身代词herself“她自己”。故填herself。 40．They enjoyed ________ (they) at the park yesterday. 【答案】themselves 【详解】句意：他们昨天在公园里玩得很开心。enjoy oneself“玩得开心”，为常用短语，需用反身代词。故填themselves。 三、完成句子(本大题共10小题，每小题2分，共20分) 41．他昨天骑车时伤到了自己。 He ________ ________ when he was riding a bike yesterday. 【答案】 hurt himself 【详解】根据中英文对照可知，此处缺少“伤到了自己”，“伤到”用英文表达为hurt，“自己”用反身代词himself；由yesterday可知句子为一般过去时，hurt的过去式仍为hurt。故填hurt；himself。 42．need, take, to, care, yourselves, of, you（连词成句） ________________________________________. 【答案】You need to take care of yourselves 【详解】根据所给词以及标点可知，此句为陈述句。you“你们”，作主语，句首首字母大写；need to do sth.“需要做某事”；take care of“照顾，照料”；yourselves“你们自己”。故填You need to take care of yourselves“你们需要照顾好自己”。 43．让我们在课堂上一个接一个地介绍自己。 Let’s ________ ________ one by one in class. 【答案】 introduce ourselves 【详解】根据中英文对照可知，introduce oneself 表示“自我介绍”。结合句意可知，反身代词应用ourselves表示“我们自己”，let’s后跟动词原形，故填introduce；ourselves。 44．——听！是有人在哭吗？ ——不是，是一只狐狸。它受伤了，不能自己走路。 —Listen! ________ anyone ________? —No. It’s a fox. It got hurt. It can’t walk ________ ________. 【答案】 Is crying by itself 【详解】根据“Listen!”可知，问句为现在进行时，主语“anyone”为不定代词，谓语结构为is doing，cry“哭”，其现在分词为crying；by oneself“独自”，主语为“It”，反身代词用itself“它自己”。故填Is；crying；by；itself。 45．他们自己完成了科学实验。 → They finished the science experiment ____________. 【答案】by themselves 【详解】根据中英文对照可知，空格处缺少“自己”的表达；“by oneself”是固定短语，表示“独自，靠某人自己”；这里表示“他们自己”，要用“by themselves” ，强调是他们依靠自身的能力完成了科学实验。故填by themselves。 46．你最好自己完成你的任务。你不能总是依赖别人。 You’d better finish your task _________ _________. You can’t depend on others all the time. 【答案】 by yourself 【详解】根据英汉对照可知，空处缺少“自己”的英语表达，其英语表达为by oneself，介词短语。主语是You，所以oneself用yourself代替。故填 by yourself。 47．她希望我们能一直保守这个秘密。 She hopes that we can ________ the secret ________ ________ all the time. 【答案】 keep to ourselves 【详解】keep the secret to oneself“保守秘密”，根据空前的情态动词“can”可知，此处用动词原形；根据空处所在句的主语“we”可知，此处用反身代词“ourselves”。故填keep；to；ourselves。 48．如果你累了，可以休息一下。   → If you’re tired, you ________ have a rest. 【答案】could 【详解】原句中“可以”是关键词，表示“可以”的情态动词是“could”，表示委婉建议，是其中的表达之一。 49．You should see a dentist.(改为否定句) You ________ a dentist. 【答案】shouldn’t see 【详解】句意：你应该去看牙医。分析原句“You should see a dentist.”可知，句中含有情态动词should，变否定句时，直接在should后加not，其缩写形式为shouldn’t，后接动词原形see。故填shouldn’t；see。 50．Don’t run the red light! (改为同义句) You ______________ _______ the red light! 【答案】 shouldn’t run 【详解】句意：不要闯红灯！原句是祈使句的否定形式，表达“禁止做某事”。同义句可转换为含情态动词shouldn’t的否定句，shouldn’t意为“不应该”，后接动词原形，核心动词run保持不变，与原句禁止闯红灯的含义一致。故填shouldn’t；run。 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $ Unit 2 Stay Healthy 表建议的情态动词(should、could)和反身代词 （时间：40分钟，满分：100分） 一、单项选择(本大题共30小题，每小题2分，共60分) 1．—What’s the matter with you? —I have a stomachache. I ate too much last night. —You ________ eat so much next time. A．should B．shouldn’t C．could D．couldn’t 2．To protect your eyes, you ________ rest your eyes every 20 minutes. A．should B．shouldn’t C．could D．couldn’t 3．You look pale. You ________ see a doctor right now. A．should B．can C．may D．could 4．—What should we do to improve teamwork? —We ________ communicate more with each other. A．should B．have to C．may D．can 5．— Should I take some medicine? — No, you ________. You just need to have a good rest. A．shouldn’t B．can’t C．don’t D．won’t 6．—I feel terrible. I have a bad cough. —You ________ go to the doctor and get some rest. A．should B．shouldn’t C．could 7．—What should I take for the picnic? — You _______ bring some fruit and drinks. A．could B．should C．must D．A and B 8．You look pale. You _______ see a doctor. A．could B．should C．would D．A and B 9．My car is broken. ________ you please give me a lift? A．Must B．Need C．Could 10．— ________ I use your phone? Mine doesn’t work. — Sure, here you are. A．Must B．Should C．Could D．Need 11．She taught ________ to play the piano. A．her B．herself C．she D．hers 12．Be careful with the knife, or you’ll cut _______. A．you B．your C．yourself D．yours 13．The little girl can finish her homework ________. She doesn’t need any help. A．on her own B．with others C．by herself D．for herself 14．The old man hurt ________ when he fell down. A．he B．him C．his D．himself 15．Help ________ to some fish, children. A．you B．your C．yourselves D．yourself 16．She taught ________ English when she was young. A．she B．her C．hers D．herself 17．These two children enjoyed ________ on the farm. A．himself B．themselves C．itself 18．As a cosplayer, Jenny often dresses ________ up as different popular cartoon characters. A．she B．her C．herself D．hers 19．—Who taught ________ history last year? —Nobody! He learnt it by ________. A．his; himself B．him; himself C．himself; himself 20．Boys, you should learn to teach ________ to make improvements. A．yourselves B．yourself C．myself D．ourselves 21．Teenagers should learn to _________ and their ideas clearly instead of keeping silent. A．express themselves B．teach themselves C．be curious about D．look forward to 22．—Will your mother help you pack your bags? —No. I usually do it ________. A．ourselves B．herself C．myself 23．—You have worked so hard on your painting competition. —Yes, so I want to treat ________ to a new set of paintbrushes as a gift. A．me B．mine C．myself 24．—Alice is an excellent girl! —That’s right. She can always take good care of ________ when she is at home alone. A．myself B．herself C．yourself D．himself 25．Mandy, we can’t do everything for you. You have to depend on ________ now. A．you B．your C．yourself D．yourselves 26．—Fin made great progress in the last exam. Who taught ________? —No one. He taught ________. A．he; him B．him; himself C．he; himself D．him; him 27．I made a birthday card for my mother by ________. A．yourself B．myself C．herself 28．Lily’s parents aren’t at home today. She has to make dinner by ______. A．her B．hers C．herself 29．Daniel, making friends with others doesn’t mean losing ________. A．yourself B．myself C．themselves 30．—Do you often help Betty with her English? —No. She learns English by ________. A．himself B．her C．herself D．him 二、单词拼写(本大题共10小题，每小题2分，共20分) 31．The children taught ______ (they) how to play the simple game last weekend. 32．I will do it _________ (I) if you are busy. 33．She can finish the work by ________ (she). 34．He taught _________ (he) English when he was young. 35．Don’t worry. We can solve our problems by ________ (we). 36．And only if you have already tried several times to explain ________ (you) in English. 37．The dog can open the door by ________ (it). 38．Please help ________ to some fish, Tom and Jerry. (you) 39．She is very young. She can’t dress ________. (she) 40．They enjoyed ________ (they) at the park yesterday. 三、完成句子(本大题共10小题，每小题2分，共20分) 41．他昨天骑车时伤到了自己。 He ________ ________ when he was riding a bike yesterday. 42．need, take, to, care, yourselves, of, you（连词成句） ________________________________________. 43．让我们在课堂上一个接一个地介绍自己。 Let’s ________ ________ one by one in class. 44．——听！是有人在哭吗？ ——不是，是一只狐狸。它受伤了，不能自己走路。 —Listen! ________ anyone ________? —No. It’s a fox. It got hurt. It can’t walk ________ ________. 45．他们自己完成了科学实验。 → They finished the science experiment ____________. 46．你最好自己完成你的任务。你不能总是依赖别人。 You’d better finish your task _________ _________. You can’t depend on others all the time. 47．她希望我们能一直保守这个秘密。 She hopes that we can ________ the secret ________ ________ all the time. 48．如果你累了，可以休息一下。   → If you’re tired, you ________ have a rest. 49．You should see a dentist.(改为否定句) You ________ a dentist. 50．Don’t run the red light! (改为同义句) You ______________ _______ the red light! 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $