Unit1 重点语法专练-2024-2025学年八年级英语下册重难点提优训练（人教版）

2024-2025学年八年级英语下册重难点提优训练（人教版） Unit1 重点语法专练 语法聚焦 1.What’s the matter？询问病情 2.情态动词should的用法 3.反身代词的用法 语法讲义 1.What’s the matter？询问病情 用来询问病情、不适状况或其他问题时， 应采用的句式为What’s the matter (with sb.)? 如要说明对象，则需要用介词 with。 What’s the matter with Tim? 蒂姆怎么了? 此外，询问对方的病情、不适状况或其他问题还可用“What’s wrong (with sb.)?”或“What’s the trouble (with sb.)?/What’s one’s trouble?”来表示。 其答语通常是 Sb. have/has a(n)+n. (病名). 例如，教材中：I have a cold. 我感冒了。 该结构“have+a(n)+n. (病名)”表示“患了某种疾病”。该句中的have作动词， 意为“得了……病”，“have a(n)+n.”中的a(n)是固定用法， 不能用the也不能去掉(注意：患流感的固定搭配为have the flu)， 但在翻译时不需要翻译出来。 如：have a sore throat喉咙痛          have a fever发烧         have a toothache牙痛 have a (bad) cold(重)感冒          have a (bad) headache头疼(得厉害) 2.情态动词should的用法 情态动词should意为“应该；应当；可以”，用来表示职责和义务或提出劝告和建议，后接动词原形，其否定形式为shouldn't。如： 肯定句：The old man should go to the hospital. 这个老人应该去医院。 否定句：The old man shouldn't go to the hospital. 这个老人不应该去医院。 一般疑问句及回答：—Should the old man go to the hospital? 这个老人应该去医院吗？ —Yes, he should. / No, he shouldn't. 是的，他应该去。/ 不，他不该去。 特殊疑问句及回答：—What should the old man do? 这个老人该怎么做？ —He should go to the hospital. 他应该去医院。 3.反身代词的用法 人称 单数 复数 第一人称 myself ourselves 第二人称 yourself yourselves 第三人称 himself/herself/itself themselves 【总结】第一、二人称的反身代词是在形容词性物主代词的基础上加-self/-selves,第三人称的反身代词是在人称代词的宾格的基础上加-self/-selves 语法专练 一、单项选择 1．You should ________ more water when you have a fever. A．drinks B．drinking C．drank D．drink 2．I can’t sleep, so I _____ listen to quiet music, and I ______ listen to exciting music. A．should; should B．shouldn’t; shouldn’t C．should; shouldn’t D．can; don’t 3．David ____ a stomachache. So he ____ eat anything 24 hours. A．has, should B．has , should’t C．have, shouldn’t D．has, shouldn’t 4．—What __________ I do when my parents don’t agree with me? —You __________ talk with them and let them know your thoughts. A．should；can B．should；shouldn’t C．can；can’t D．shouldn’t；can 5．All of us ________ listen to the teachers carefully in class. A．should B．shouldn’t C．can D．can’t 6．I think you should ________ the dog to an animal hospital because it is ill. A．take B．taking C．takes D．took 7．—I don’t care what people think. —Well, you______________. Some opinions are worth weighing. A．might B．should C．could D．would 8．—Lily is intelligent and hard-working. She _________ do well in the singing competition. —Sure. She was born to be a singer. A．should B．might C．can’t D．shouldn’t 9．We enjoyed _____________ at the English party last weekend. A．us B．our C．ours D．ourselves 10．Ms. Green have no time to help us, so we need to finish the work by ________. A．myself B．themselves C．herself D．ourselves 11．Nobody teaches Mary English. She teaches __________. A．her B．herself C．she D．hers 12．She is old enough to dress________. A．yourself B．himself C．herself D．itself 13．Did you do the homework ? A．you B．yourself C．your D．yours 14．—_________? —I have a headache and I don’t feel like eating anything. A．How are you B．What can I do for you C．What’s the matter with you D．How do you like it 15．Believe in ________ and you can make it. A．myself B．yourself C．himself D．herself 16．—Hi, John. _______? —I have a fever. A．How are you B．What’s the matter C．Who’s that D．What’s Lucy like 17．All the people wanted to know ________ happened to the boy. A．how B．what C．which D．why 18．Teachers often say that teenagers should learn to look after ________. A．ourselves B．yourselves C．themselves D．himself 19．Earthquakes can be very dangerous. We ________ learn to protect ourselves. A．might B．should C．could D．would 20．---- Bill`s mother is ill.       ---- __________. A．I think so. B．I am sorry to hear that. C．Really? Thank you D．That’s OK. 二、单词拼写 1．Helping others is helping (we), so we should try our best to help those in need. 2．Last week the students went skating and enjoyed (them) very much. 3．Jack, help (you) to some salad. It’s just behind you. 4．In order to keep healthy, you shouldn’t (eat) too many hamburgers. 5．You shouldn’t (stay) up too late at night. 6．What should we (do) when we meet difficulties? 7．Should he (put) some medicine on it? 8．Linda cut when cooking dinner last night. (she) 9．Teenager Li Yan says it’s important to give her more room to think for (she). 10．As an 18-year-old girl, Anna is old enough to look after (she) well. 11．The girl can care for though she is only six years old. (her) 12．Jenny didn’t want to push too hard, so she cut out some of her plans. (her) 13．Don’t worry. Jenny will feel sure about as a new film star very soon. (she) 14．My sister has learnt to express (she) very clearly in English. 15．When I feel sad, I often say to (I) that everything is going to be fine. 三、完成句子 1．Should she see a dentist? (做否定回答) , she . 2．Alice should lie down and rest.  (对划线部分提问) Alice do? 3．I have a cold. What should I do? (提建议) take your temperature. 4．What’s the matter with Tom? (改为同义句) What’s Tom? 5．I have a stomachache.  (对划线部分提问) the matter you? 6．I should put some sugar into the tea. (改为否定句) I any sugar into the tea. 7．Should I visit him this weekend? (补全否定答语) No, . 8．He should drink hot tea with honey. (改为否定句) He hot tea with honey. 9．You should drink some hot tea with honey.（改为否定句） You hot tea with honey. 10．You should lie down and rest.(改为否定句) You down and rest for a while. 四、完形填空 To have a healthy life, we should know the following information. Our body needs lots of water every day to stay healthy. We should 1 the habit of drinking one glass of water in the morning, and drink enough water for a day. Pay attention to our bodies’ needs. If we feel tired or nervous (焦虑的), we 2 can also have a glass of water. Our bodies will thank for that. Eating lots of fruit and vegetables is also good for 3 . A healthy eating habit can help us fight against illnesses (疾病). We 4 have thirty­minute exercise at least three times a week. That is helpful to our bodies. In the daily life, we 5 touch our eyes, noses, or mouths with our dirty hands. It is very unhealthy. 1．A．had B．have C．having D．has 2．A．herself B．ourselves C．yourselves D．themselves 3．A．him B．her C．us D．you 4．A．needn’t B．must C．should D．shouldn’t 5．A．would B．wouldn’t C．should D．shouldn’t 学科网（北京）股份有限公司 $$ 2024-2025学年八年级英语下册重难点提优训练（人教版） Unit1 重点语法专练 语法聚焦 1.What’s the matter？询问病情 2.情态动词should的用法 3.反身代词的用法 语法讲义 1.What’s the matter？询问病情 用来询问病情、不适状况或其他问题时， 应采用的句式为What’s the matter (with sb.)? 如要说明对象，则需要用介词 with。 What’s the matter with Tim? 蒂姆怎么了? 此外，询问对方的病情、不适状况或其他问题还可用“What’s wrong (with sb.)?”或“What’s the trouble (with sb.)?/What’s one’s trouble?”来表示。 其答语通常是 Sb. have/has a(n)+n. (病名). 例如，教材中：I have a cold. 我感冒了。 该结构“have+a(n)+n. (病名)”表示“患了某种疾病”。该句中的have作动词， 意为“得了……病”，“have a(n)+n.”中的a(n)是固定用法， 不能用the也不能去掉(注意：患流感的固定搭配为have the flu)， 但在翻译时不需要翻译出来。 如：have a sore throat喉咙痛          have a fever发烧         have a toothache牙痛 have a (bad) cold(重)感冒          have a (bad) headache头疼(得厉害) 2.情态动词should的用法 情态动词should意为“应该；应当；可以”，用来表示职责和义务或提出劝告和建议，后接动词原形，其否定形式为shouldn't。如： 肯定句：The old man should go to the hospital. 这个老人应该去医院。 否定句：The old man shouldn't go to the hospital. 这个老人不应该去医院。 一般疑问句及回答：—Should the old man go to the hospital? 这个老人应该去医院吗？ —Yes, he should. / No, he shouldn't. 是的，他应该去。/ 不，他不该去。 特殊疑问句及回答：—What should the old man do? 这个老人该怎么做？ —He should go to the hospital. 他应该去医院。 3.反身代词的用法 人称 单数 复数 第一人称 myself ourselves 第二人称 yourself yourselves 第三人称 himself/herself/itself themselves 【总结】第一、二人称的反身代词是在形容词性物主代词的基础上加-self/-selves,第三人称的反身代词是在人称代词的宾格的基础上加-self/-selves 语法专练 一、单项选择 1．You should ________ more water when you have a fever. A．drinks B．drinking C．drank D．drink 2．I can’t sleep, so I _____ listen to quiet music, and I ______ listen to exciting music. A．should; should B．shouldn’t; shouldn’t C．should; shouldn’t D．can; don’t 3．David ____ a stomachache. So he ____ eat anything 24 hours. A．has, should B．has , should’t C．have, shouldn’t D．has, shouldn’t 4．—What __________ I do when my parents don’t agree with me? —You __________ talk with them and let them know your thoughts. A．should；can B．should；shouldn’t C．can；can’t D．shouldn’t；can 5．All of us ________ listen to the teachers carefully in class. A．should B．shouldn’t C．can D．can’t 6．I think you should ________ the dog to an animal hospital because it is ill. A．take B．taking C．takes D．took 7．—I don’t care what people think. —Well, you______________. Some opinions are worth weighing. A．might B．should C．could D．would 8．—Lily is intelligent and hard-working. She _________ do well in the singing competition. —Sure. She was born to be a singer. A．should B．might C．can’t D．shouldn’t 9．We enjoyed _____________ at the English party last weekend. A．us B．our C．ours D．ourselves 10．Ms. Green have no time to help us, so we need to finish the work by ________. A．myself B．themselves C．herself D．ourselves 11．Nobody teaches Mary English. She teaches __________. A．her B．herself C．she D．hers 12．She is old enough to dress________. A．yourself B．himself C．herself D．itself 13．Did you do the homework ? A．you B．yourself C．your D．yours 14．—_________? —I have a headache and I don’t feel like eating anything. A．How are you B．What can I do for you C．What’s the matter with you D．How do you like it 15．Believe in ________ and you can make it. A．myself B．yourself C．himself D．herself 16．—Hi, John. _______? —I have a fever. A．How are you B．What’s the matter C．Who’s that D．What’s Lucy like 17．All the people wanted to know ________ happened to the boy. A．how B．what C．which D．why 18．Teachers often say that teenagers should learn to look after ________. A．ourselves B．yourselves C．themselves D．himself 19．Earthquakes can be very dangerous. We ________ learn to protect ourselves. A．might B．should C．could D．would 20．---- Bill`s mother is ill.       ---- __________. A．I think so. B．I am sorry to hear that. C．Really? Thank you D．That’s OK. 二、单词拼写 1．Helping others is helping (we), so we should try our best to help those in need. 2．Last week the students went skating and enjoyed (them) very much. 3．Jack, help (you) to some salad. It’s just behind you. 4．In order to keep healthy, you shouldn’t (eat) too many hamburgers. 5．You shouldn’t (stay) up too late at night. 6．What should we (do) when we meet difficulties? 7．Should he (put) some medicine on it? 8．Linda cut when cooking dinner last night. (she) 9．Teenager Li Yan says it’s important to give her more room to think for (she). 10．As an 18-year-old girl, Anna is old enough to look after (she) well. 11．The girl can care for though she is only six years old. (her) 12．Jenny didn’t want to push too hard, so she cut out some of her plans. (her) 13．Don’t worry. Jenny will feel sure about as a new film star very soon. (she) 14．My sister has learnt to express (she) very clearly in English. 15．When I feel sad, I often say to (I) that everything is going to be fine. 三、完成句子 1．Should she see a dentist? (做否定回答) , she . 2．Alice should lie down and rest.  (对划线部分提问) Alice do? 3．I have a cold. What should I do? (提建议) take your temperature. 4．What’s the matter with Tom? (改为同义句) What’s Tom? 5．I have a stomachache.  (对划线部分提问) the matter you? 6．I should put some sugar into the tea. (改为否定句) I any sugar into the tea. 7．Should I visit him this weekend? (补全否定答语) No, . 8．He should drink hot tea with honey. (改为否定句) He hot tea with honey. 9．You should drink some hot tea with honey.（改为否定句） You hot tea with honey. 10．You should lie down and rest.(改为否定句) You down and rest for a while. 四、完形填空 To have a healthy life, we should know the following information. Our body needs lots of water every day to stay healthy. We should 1 the habit of drinking one glass of water in the morning, and drink enough water for a day. Pay attention to our bodies’ needs. If we feel tired or nervous (焦虑的), we 2 can also have a glass of water. Our bodies will thank for that. Eating lots of fruit and vegetables is also good for 3 . A healthy eating habit can help us fight against illnesses (疾病). We 4 have thirty­minute exercise at least three times a week. That is helpful to our bodies. In the daily life, we 5 touch our eyes, noses, or mouths with our dirty hands. It is very unhealthy. 1．A．had B．have C．having D．has 2．A．herself B．ourselves C．yourselves D．themselves 3．A．him B．her C．us D．you 4．A．needn’t B．must C．should D．shouldn’t 5．A．would B．wouldn’t C．should D．shouldn’t 参考答案 一、 1．D 【详解】句意：你发烧时应该多喝水。 考查情态动词should的用法。should “应该”，是情态动词，后面接动词原形。故选D。 2．C 【详解】句意：我睡不着，所以我应该听轻音乐，我不应该听令人兴奋的音乐。Should应该， shouldn’t不应该，表示建议；结合句意和语境可知选C。 3．D 【详解】句意：戴维肚子痛。所以他24小时都不应该吃东西。主语David三单，谓语三单，have的三单是has， “不应该做某事”shouldn’t do sth.；结合句意和选项可知选D。 4．A 【详解】句意：——当我父母不同意我的意见时，我该怎么办？——你可以和他们谈谈，让他们知道你的想法。 考查情态动词辨析。should应该；shouldn’t不应该；can’t不能；can能。根据“What...I do when my parents don’t agree with me?”可知，此处是在询问对方的建议，应填should，排除C选项；第二空是给与对方建议，表示“可以”，应填can，故选A。 5．A 【详解】句意： 我们在课堂上都应该认真听老师讲课。 考查情态动词。should应该；shouldn’t不应该；can能；can’t不能。由“All of us…listen to the teachers carefully in class”可知，此处指上课应该认真听讲。故选A。 6．A 【详解】句意：我认为你应该带这只狗去动物医院，因为它病了。 考查动词的时态。根据“should”可知，情态动词后跟动词原形。故选A。 7．B 【详解】句意：——我不在意别人怎么想的。——嗯，你应该在意。一些想法值得权衡。 考查情态动词。might可能；should应该；could能够；would将。根据“Some opinions are worth weighing”可知此处表示应该在意别人的看法，用情态动词should。故选B。 8．A 【详解】句意：——莉莉既聪明又勤奋。她应该会在歌唱比赛中取得好成绩。——当然。她天生就是当歌手的料。 考查情态动词。should应该，表示推测；might可能，表示不确定推测；can’t不可能，表示否定推测；shouldn’t不应该。根据“Lily is intelligent and hard-working.”可知，她在歌唱比赛中取得好成绩是非常可能的事情，语气肯定，用should。故选A。 9．D 【详解】句意：我们昨晚在英语派对上玩得很开心。 考查反身代词。分析句意可知，此处表示“玩得开心”，构成“enjoy oneself”短语，主语是we，所以反身代词用ourselves。故选D。 10．D 【详解】句意：格林女士没有时间帮助我们，所以我们需要自己完成这项工作。 考查反身代词。myself我自己；themselves他(她、它)们自己；herself她自己；ourselves我们自己。根据“Ms. Green have no time to help us”格林女士没有时间帮助我们，可知，我们需要“自己”完成这项工作，用by ourselves。故选D。 11．B 【详解】句意：没有人教玛丽英语。她自学。 考查代词。her她，宾格；herself她自己，反身代词；she她，主格；hers她的，名词性物主代词。根据“Nobody teaches Mary English.”可知，Mary是自学英语；再者根据固定搭配“teach oneself”可知，herself符合句意。故选B。 12．C 【详解】句意：她足够大可以自己穿衣服了。 考查反身代词。yourself你自己；himself他自己；herself她自己；itself它自己。“自己穿衣服”dress oneself，句子中主语是she，所以是herself。故选C。 13．B 【详解】句意：你自己做的家庭作业么？ 考查反身代词。you你；yourself你自己；your你的；yours你的东西。根据“do the homework”可知询问的是是否是自己做的家庭作业，用反身代词yourself。故选B。 14．C 【详解】句意：——你怎么了？——我头疼并且我不想吃任何东西。 考查情景交际。How are you你好吗；What can I do for you我能帮你什么；What’s the matter with you你怎么了；How do you like it你认为它怎么样。根据“I have a headache and…”可知，对方不舒服，应问他怎么了。故选C。 15．B 【详解】句意：相信自己，你就能成功。 考查代词辨析。myself我自己；yourself你自己；himself他自己；herself她自己。根据“you can make it”可知，是对“you”说的，故选B。 16．B 【详解】句意：——你好，约翰。你好吗？——我发烧了。 考查情景交际。How are you你好吗；What’s the matter怎么了；Who’s that那是谁；What’s Lucy like露西是什么样的人。根据答语“I have a fever.”可知，是询问对方生了什么病，用What’s the matter。故选B。 17．B 【详解】句意：所有人都想知道那个男孩怎么了。 考查宾语从句的连接词。how怎样；what什么；which哪一个，哪些；why为什么。“What happened to sb.？”是固定句式，意为“某人怎么了？”。what既作连接词引导词宾语从句，也作从句主语。故选B。 18．C 【详解】句意：老师们经常说，青少年应该学会照顾自己。 考查代词辨析。ourselves我们自己；yourselves你们自己；themselves他们自己；himself他自己。根据“teenagers should learn to look after”可知，look after oneself“照顾自己”，由于主语为teenagers，故应用反身代词themselves表示“他们自己”。故选C。 19．B 【详解】句意：地震可能非常危险。我们应该学会保护自己。 考查情态动词。might可能；should应该；could能；would将。根据“We...learn to protect ourselves.”可知此处是表示建议，我们应该学会保护自己，故选B。 20．B 【详解】句意：--比尔的妈妈病了。--听到那件事我很难过。A. I think so.  我认为是这样； B. I am sorry to hear that. 听到那件事我很难过；C. Really? Thank you真的，谢谢； D. That’s OK.没关系。根据常识听到对方叙述自己的亲人病了，应该说：-听到那件事我很难过。故选B。 二、 1．ourselves 【详解】句意：帮助别人就是帮助自己，所以我们应该尽力帮助那些需要帮助的人。根据“Helping others is helping...”及常识可知，帮助他人就是帮助自己，空处用we对应的反身代词ourselves。故填ourselves。 2．themselves 【详解】句意：上周学生们去滑冰，玩得很开心。enjoy oneself玩得开心，空处用them对应的反身代词themselves。故填themselves。 3．yourself 【详解】句意：杰克，随便吃点沙拉。就在你后面。help oneself to sth表示“随便吃点……”，固定短语；空处用you对应的反身代词yourself/yourselves，Jack指一个人，所以用单数。故填yourself。 4．eat 【详解】句意：为了保持健康，你不应该吃太多的汉堡包。根据情态动词后加动词原形，所以是eat。故填eat。 5．stay 【详解】句意：你不应该晚上睡得太晚。“熬夜”stay up late，句子中有情态动词should’t，后跟动词原形。故填stay。 6．do 【详解】句意：当我们遇到困难时，我们应该做什么？句子中有情态动词should，后跟动词原形。故填do。 7．put 【详解】句意：他应该在上面上点药吗？分析句子中含有情态动词“should”后接动词原形，这是含有情态动词的一般疑问句，应用put原形。故填put。 8．herself 【详解】句意：琳达昨晚做晚饭时割伤了自己。根据“Linda cut”可知，此处是指琳达割伤了自己，用反身代词herself“她自己”。故填herself。 9．herself 【详解】句意：十几岁的李燕表示，给自己更多思考的空间很重要。根据“it’s important to give her more room to think for”可知，给自己思考空间，需要反身代词，故填herself。 10．herself 【详解】句意：作为一个18岁的女孩，安娜已经足够大能照顾好自己了。根据“Anna is old enough to look after”可知她可以照顾好自己，用反身代词herself“她自己”。故填herself。 11．herself 【详解】句意：女孩可以照顾她自己，尽管她才六岁。her“她、她的”；根据“The girl can care for…”可知，尽管女孩只有六岁，她也能照顾自己，因此这里应用反身代词代指女孩，使用herself，故填herself。 12．herself 【详解】句意：珍妮不想把自己逼得太紧，所以她取消了一些计划。put oneself too hard“逼迫自己太紧”，固定短语；she“她”，人称代词主格，对应的反身代词是herself“她自己”。故填herself。 13．herself 【详解】句意：别担心。作为一个新的电影明星，珍妮很快就会对自己有信心。根据“Jenny will feel sure about ... as a new film star very soon.”可知珍妮会对她自己有信心；herself“她自己”，反身代词，符合题意。故填herself。 14．herself 【详解】句意：我妹妹已经学会用英语非常清楚地表达自己的意思。根据主语“She”可知是表达“她自己”的感受，用she的反身代词herself，意为“她自己”。故填herself。 15．myself 【详解】句意：当我感到悲伤时，我经常对自己说一切都会好起来的。根据“When I feel sad,”和后文的“everything is going to be fine.”可知，这里是自己鼓励自己，因此需用反身代词myself。故填myself。 三、 1． No shouldn’t 【详解】句意：——她应该去看牙医吗？——不，她不应该。分析题干，该句为情态动词should引导的一般疑问句。做否定回答时，其结构为“No, 主语+shouldn’t”。故填No；shouldn’t。 2． What should 【详解】句意：爱丽丝应该躺下休息。划线部分“lie down and rest”指动作，用what来提问，引导特殊疑问句，位于句首，首字母要大写；原句中的情态动词should提到主语前，疑问词后。故填What；should。 3． You should 【详解】句意：——我感冒了，我该怎么办？ ——你应该量一下体温。根据问句“I have a cold. What should I do?”及回答“…take your temperature.”可知，提建议应用“you should…”，意为“你应该……”，句首首字母大写。故填You；should。 4． wrong with 【详解】句意：汤姆怎么了？What’s the matter with sb.=What’s wrong with sb.“某人怎么了”，固定句型。故填wrong；with。 5． What’s with 【详解】句意：我胃痛。划线部分“have a stomachache”表述的是身体不舒服，对身体不舒服提问应用疑问句“What’s the matter with…/What’s wrong with…”；根据题干可知，此处应用What’s the matter with…；what位于句首，首字母要大写，且与is缩写为What’s。故填What’s；with。 6． shouldn’t put 【详解】句意：我应该在茶里加些糖。should的否定为shouldn’t，情态动词后应该用动词原形。故填shouldn’t；put。 7． you needn’t 【详解】句意：这个周末我应该去看他吗？should开头的问句，否定回答用No, you needn’t。故填you；needn’t。 8． shouldn’t drink 【详解】句意：他应该喝加蜂蜜的热茶。原句含有情态动词“should”，变否定在其后加not，should与not缩写成shouldn’t，情态动词后接动词原形，用drink。故填shouldn’t；drink。 9． shouldn’t drink any 【详解】句意：你应该喝点加蜂蜜的热茶。否定在情态动词should后加not，缩写为shouldn’t，后接动词原形drink；some用于肯定句，否定句改为any，故填shouldn’t；drink；any。 10． shouldn’t lie 【详解】句意：你应该躺下休息。本句含情态动词should，改为否定句在情态动词后加not，后接动词原形。故填shouldn’t；lie。 四、 1．B 2．B 3．C 4．C 5．D 【导语】本文主要讲述了为了拥有一个健康的生活，我们应该了解的一些信息。 1．句意：我们应该养成早上喝一杯水的习惯，喝足够一天的水。 had有，过去式；have有，原形；having有，动名词；has有，三单形式。根据“should”可知，情态动词后接动词原形。故选B。 2．句意：如果我们感到疲倦或紧张，我们自己也可以喝一杯水。 herself她自己；ourselves我们自己；yourselves你自己；themselves他们自己。根据“we”可知，本句的主语是we，所以此处反身代词用ourselves。故选B。 3．句意：多吃水果和蔬菜对我们也有好处。 him他，宾格；her她，宾格；us我们，宾格；you你，主格和宾格。根据“for”可知，后跟人称代词宾格，本文以第一人称的口吻来写，所以此处用us。故选C。 4．句意：我们应该每周至少进行三次三十分钟的锻炼。 needn’t不必；must必须；should应该；shouldn’t不该。根据“We…have thirty -minute exercise at least three times a week”可知，此处是说应该锻炼。故选C。 5．句意：日常生活中，我们不应该用脏手触摸眼睛、鼻子或嘴巴。 would将；wouldn’t将不；should应该；shouldn’t不该。根据“we…touch our eyes, noses, or mouths with our dirty hands. It is very unhealthy.”可知，此处是说不应该用脏手触摸我们的眼睛、鼻子或嘴巴。故选D。 学科网（北京）股份有限公司 $$