Unit 2 Home Sweet Home 核心知识点精讲精练 2(Grammar)-2025-2026学年八年级英语上册教材核心知识全解（人教版2024）

Unit 2 Home Sweet Home 核心知识点精讲精练 2 (Grammar) 【主要内容】 · 【单元核心知识点精讲精练】每个单元按照教材安排分为Section A；Grammar和Section B三个部分。 · Grammar 部分精讲本单元的重点语法，讲解部分配有随学随练。 · Grammar 部分还设置了单元语法基础练习和单元语法提升练习，有单项填空、翻译句子、语篇填空、补全对话、完形填空、阅读理解等丰富多样的习题帮助学生更好地学习并掌握单元语法知识。 1、 单元语法解析 情态动词用法 1. 情态动词的基本用法 (1) 情态动词是表示情感态度的动词，不能单独作谓语，而是后接实义动词或系动词的动词原形构成谓语。 He can basketball. (×) He can play basketball. (√) (2) 情态动词一般没有人称和数的变化。 They can help us. She can help us too. (3) 少数情态动词有时态变化，如can过去式为could，may过去式为might。 The boy could play soccer when he was five. (4) 情态动词用作助动词，可以构成否定句，疑问句或简明答语。 He can’t play the piano. —Can you help me take out the rubbish. —Sorry, I can’t. I’m busy with my homework. (5) 常见情态动词 · should:“应该”，表示责任或义务。也可以用于建议。 Students should keep the classroom clean. You should wear more clothes. It’s so cold today. · must:“必须”。强调说话人的主观看法。 否定的mustn’t表示“禁止，一定不能”。 We must leave at once. You mustn’t take photos here. · may/might:“也许，可能”，表示推测；也能表示请求允许。 We may leave on Tuesday. May I park my car here? · have to:“不得不，必须”。强调客观需要。have to有时态和人称变化。 否定形式don’t have to表示“不必，没有必要”。 They had to get up early. You don’t have to finish it now. · had better:“最好...”，用于提建议。 You’d better not eat too much candy. 2. 含情态动词的各种句式 (1) 陈述句：主语+情态动词(+not)+实义动词或系动词原形+其他. 肯定句变否定句，在情态动词后加not。 I can speak French well. I can’t speak French well. (2) 一般疑问句：情态动词(+not)+主语+实义动词或系动词原形+其他？ 陈述句变一般疑问句时，将情态动词提至句首。 Alice can help to pack up the clothes. Can Alice help to pack up the clothes? (3) 特殊疑问句：特殊疑问词+情态动词(+not)+主语+实义动词或系动词原形+其他？ What can you do to make your mum smile? Why can’t you go now? [随学随练] 单项填空。 (1) —I want to read the book Ordinary World. May I ________ yours? —Sorry, I ________ it to Wang Yu yesterday. A．borrow; borrowed B．borrow; lent C．lend; lent D．lend; borrowed (2) —What do I need to take for the hiking, Mum? —You’d better ________ more water than usual. It’s such a hot day today. A．to take B．take C．taking D．took (3) _________ stay out late on school nights. You must ________ home before 9:00 p.m. A．Don’t; going B．Don’t; go C．Don’t; to go D．Don’t; goes (4) — Thank you for your ________. — It doesn’t matter. We should ________ each other. A．help; help B．helping; help C．help; helping (5) John ________ come to see us tonight, but he isn’t very sure yet. A．may B．can C．must D．should (6) —______I use your dictionary? —Of course. Here you are. A．Must B．Need C．May D．Should (7) It’s hot outside. You ________ wear your jacket. A．has to B．have to C．don’t have to D．don’t has to (8) I didn’t catch the bus yesterday. I _______ walk three kilometers to wait for another bus. A．was able to B．had to C．should D．might 情态动词can/could用法 1. 表示请求 (1) can和could都可以表示请求允许，could比can语气更加委婉。 (2) 常用问句： 请求问句：Can/Could+主语+动词原型+其他？ 肯定回答：Yes, you can. (是的，你可以) Sure. / Certainly. / Of course. 当然(可以)。 No problem. (没问题) 否定回答：No, you can’t.(不，你不可以) I’m afraid you can’t. (恐怕你不可以) Sorry, you have to... (抱歉，你得...) —Can you help me wash the car? (请求允许) —Yes, of course you can.(给予许可) —Can we eat out tonight? —Sorry, we can’t. (抱歉，不可以) —Could I buy some flowers? —Of course you can.(对于could提出的请求允许，回答时也要用can) 2. 表示许可 (1) can和could都可以表示给予许可，could比can语气更加委婉。 (2) 常用句型：主语+can/could+动词原型+其他？ You can play basketball on weekend. You can’t play the guitar after 11 p.m.. 3. 表示能力 (1) can可以表示能力，只能用于一般现在时。 注意：can与be able to都可以表示能力，can只能用于一般现在时，但be able to可以用于各种时态。 The girl can jump high. The boys was able to play volleyball when he was 6 six years old. (2) 在过去时中表示能力要用could。 4. 表示推测 (1) can表示推测，常用于否定句和疑问句中。 can’t意为“不可能”。 can用于肯定句推测时，常译作“有时会”。 It can’t be Mary’s. She doesn’t like blue. Can the news true? Cats can be scary. (猫有的时候很吓人) (2) could可以用于肯定句、否定句和疑问句等各种句式，表示推测时可能性比 can 小，常意为“也许、可能”。 It could be Jane’s. She likes to wear green coat. 5. 提出建议 (1) can可以用来提出建议或提供某种可能性。 You can go fishing or play badminton on Sunday afternoons. (2) could比直接用 can 更加委婉。 Maybe we could see a film tomorrow. [随学随练] 单项填空。 (1) —Could I take photos in this museum, Mrs. Smith? —Sorry, you ______. It’s not allowed there. A．can’t B．needn’t C．couldn’t D．won’t (2) Some robots ________ help scientists do dangerous things. A．can B．need C．should D．must (3) —______ I take my pet dog to watch the shadow puppet show? —No, you ______. Pets aren’t allowed there. A．May; couldn’t B．Can; may not C．Could; can’t D．Must; couldn’t (4) —Could I take the picture book home, Mrs Rice? —No, you ________. You ________ only read it here. A．couldn’t; can B．couldn’t; may C．can’t; can D．mustn’t; could (5) —Someone is knocking on the door. Is it Anna? —No. It ________ be her. She’s giving a performance at the theater now. A．can B．can’t C．mustn’t (6) ________ you turn down the TV, please? I’m trying to work. A．Could B．Must C．Might D．Should (7) John ______ be at school. His father took him to the hospital just now. A．must B．can’t C．may D．could (8) Sophie ______ read both English and French when she was only five years old. A．can B．could C．may D．need (9) —Why didn’t you come to the meeting yesterday? —I ________ come because I was sick. A．may not B．mustn’t C．couldn’t D．shouldn’t (10) —Simon, could you go to Huating Lake with me tomorrow? —Sorry, I ________. I have to take care of my sick brother at home. A．won’t B．mustn’t C．couldn’t D．can’t 2、 单元语法基础练习 1. 单项填空 (1) Mr Green must ________ a good teacher. A．is B．am C．are D．be (2) We’d better ________ on the road. It is very dangerous. A．not to play B．not play C．to not play D．don’t play (3) —_________ you eat in the classroom? —No, we _________ eat in the dining hall. A．Can; can’t B．Must; can C．Should; mustn’t D．Can; must (4) —Could you please ________ her to play chess now? —Sorry, I ________ for an English test. A．teach; am studying B．teach; studied C．to teach; am studying D．to teach; studied (5) Could you ________ the window? I feel a little cold. A．please not open B．please not to open C．not please to open D．please not close (6) —Will you be able to finish the work in time? —I ________ promise anything, but I’ll do my best. A．can’t B．shouldn’t C．couldn’t D．mustn’t (7) — ________ I sit here, madam? —Sorry, I’m afraid you ________. The seat is for the old man. A．Can; couldn’t B．Could; couldn’t C．Could; can’t D．Could; can (8) —Can we wear our own clothes at school? —No, we ________. We ________ wear the school uniform. A．can’t; have to B．mustn’t; can C．can; must D．needn’t; may (9) —Can you jump high, Dad? —No, I can’t. But when I was your age, I ________ jump very high. A．could B．can C．couldn’t D．can’t (10) —Could you play the piano at the age of six? —Yes, I ________. I ________ show you how to play it now. It is easy. A．can; could B．can; can C．could; can D．could; could (11) —Could you speak English, please? —Er, I ________ speak English well, but let me try. A．could B．mustn’t C．can D．can’t (12) —Excuse me, could you please ________ the car here? —Sorry, I ________. I will move it away right now. A．not to park; will B．not to park; won’t C．not park; will D．not park; won’t 2. 用can, could, can’t, couldn’t或用所给词的适当形式填空，使句意完整。 (1) —Could you please help me fold the clothes, Tom? —Sure, I ________, Uncle Lee. I ________ fold my own T-shirts at the age of four. (2) —Tom, could you please help me take out the rubbish? —Sorry, I ________, Mom. I am doing my homework now. (3) —Could I borrow your dictionary? I left mine at home. —Sorry, I’m afraid you _________ because I’m using it. (4) —Mom, could I buy some food for sick children? —Yes, you ________. But you must finish your homework first. (5) —Could you please ________ (not open)the window? It’s cold outside. —I’m sorry, I’ll do it at once. (6) Last year I ________row a boat, and now I ________, either. (7) Simon ________swim when he was only seven years old. (8) Lucy ________ride a bike half a year ago, but now she ________do it very well. (9) —Could I use your dictionary, please? —Of course you ________. (10) —Who ________it be? —I think it might be Bob. (11) The water in the river is polluted. Tom ________catch any fish in it. (12) My little brother ________be a good student because he is very lazy. 3. 翻译句子。 (1) 你可以叠衣服吗？ (2) 我们不可以带手机到学校。 (3) Tom可以在教室里听音乐吗？ (4) 周一晚上你能和我们闲逛吗？ (5) 我有一张海报，你能帮我张贴起来吗？(汉译英) (6) 她在四岁时就能够独自看书了。(by oneself) (7) 由于糟糕的天气，我们看不清楚下面的任何东西。 (8) 你能把字典借给我用吗？ (9) 请你扫一下地板好吗? (10) 能让我搭你的车到前面那个村子吗？(give a lift) 3、 单元语法提升练习 1. 补全对话 A M: Mom, I feel a little tired after doing the homework for one and a half hours. 1 W: Watch TV? Do you finish your homework? M: 2 W: I know you want to relax. 3 M: Sure, it’s easy for me. W:   4 M: No problem. Where is the rubbish? W: It’s in the kitchen. M:   5 W: Yes, but remember not to watch it for too long. M: OK. A．Could you take out the rubbish then? B．Could I listen to some music? C．Could I watch TV for a while now? D．After doing that, could I watch my favorite show? E．How about helping me fold the clothes on the bed? F．No, I still need about one hour. G．I don’t like doing the chores. B 补全对话。根据所给对话，填写适当内容，使其完整、正确。 A: Tom, I need your help. B: OK, Mom. But please wait for a minute. A: 1 ? B: I’m playing computer games. A: You shouldn’t play them any more. Come here quickly. B: I’m coming, Mom. What can I do? A: Could you please do the dishes? B: Sure, Mom. 2 ? A: They are on the table in the kitchen. B: What do I have to do after doing the dishes? A: 3 ? I was too busy to sweep the floor this morning. B: No problem. Anything else? A: Nothing. You can watch TV after doing these things. B: 4 ? A: You can watch TV for an hour. B: 5 ? A: I’m going to have a meeting. B: OK, Mom. 2. 补全语篇 A 根据短文内容，从括号中选择适当的单词填空 There are four people in Mr Black’s family. Let me introduce (介绍) them to you. Mr Black is good at computer. He (can/can’t) repair computers by himself. Mrs Black 2 (can/could) dance well in the past, but now she 3 (couldn’t/can’t) because there is something wrong with her left leg. Their son, Eric, 4 (can/can’t) design pictures on the computer. Look at the pictures. How beautiful they are! I really want to learn from him. Shirley is their daughter. Look at this photo. What a tall girl she is! She is about 1.7 metres tall. She 5 (can/could) play badminton well. She is a member of the school team. B 根据首字母提示，补全单词，使其完整、正确。 Do you sometimes hear “Home, sweet home”? It is another way of saying it’s nice to be home. Home is a special place for e 1 . Many things make it “sweet”. What do you like about being at home? Maybe you like to play w 2 your brothers and sisters. Maybe you enjoy staying with your mum and dad. Maybe you have a pet you like to play with. S 3 time with your family is one thing that makes home sweet. Your b 4 is another thing to make home sweet. Your toys, books and other favourite things are in your bedroom. It is also a q 5 place for you to read a book or think about your way. Mealtime can make your home sweet, too. Family members sit a 6 the table to eat and share interesting stories. Would you like to h 7 do some housework at home? There are lots of things you can do to make home a sweet place. When family members work t 8 , these things can become easier and more interesting for everyone. Maybe you can help lay the dinner table or do some c 9 . Maybe you can wash the clothes for your family. Maybe you can w 10 the vegetables and other plants in the garden. All of them can bring you wonderful feelings. Try your best to do what you can do, so that when you come home every day, you can say, “Home, sweet home!” 3. 阅读理解 A It was half past five in the afternoon when Sarah came home from work. She walked into the living room and looked at her three children. The children were fourteen, thirteen and nine years old. They were happily watching TV. The room was dirty and untidy . There were empty glasses and dirty clothes on the floor. Toys were everywhere. Sarah got angry. “What a mess!” she said to her children. “I work all day and have to do housework all the evening. I’m very tired. I need to have a good rest. I won’t do housework anymore!” Sarah did as she said. She didn’t do any housework. Every evening she sat on the sofa and watched TV. A week later, every dish in the kitchen was dirty. All the children’s clothes were dirty, too. Every trash can was full. The whole house was out of order. Then one day when Sarah got home, she got very surprised. The kitchen was clean. The children had cleaned it! The second day, when Sarah got home, she found the living room was clean, and the children were washing their clothes. Sarah was happy and went to help them. Now Sarah and her three children do housework together. Then they all sit on the sofa and watch TV. 1．What did Sarah usually do in the evening before she got angry? A．She usually cleaned the house. B．She usually sat on the sofa and talked to her children. C．She usually watched TV. D．She usually did housework with her children. 2．How old was Sarah’s youngest child? A．Fourteen years old. B．Thirteen years old. C．Nine years old. D．Six years old. 3．Every day when Sarah got home, ________. A．the dishes were clean B．the room was dirty C．the children were studying D．her mother was looking after her children 4．Sarah’s children all felt ________ when Sarah got angry and didn’t do any housework for over a week. A．happy B．sad C．sorry D．unlucky 5．Which of the following is NOT true? A．Sarah came home from work at 5:30 p.m. B．Sarah didn’t do housework for over a week. C．The children were too young to wash their clothes. D．Now Sarah and her children do housework together before watching TV. B According to a report, about 60% of American families have working parents. Mothers spend about 18 hours doing the housework every week, and fathers spend about 10 hours doing the housework. What about the kids? Children aged between six and twelve spend less than three hours doing the housework every week, but almost 14 hours watching TV. How about teenagers? They spend nearly 31 hours on the Internet, but only three hours helping with the housework every week. However, some parents think children should spend more time on chores. Knowing how to do the housework is an important life skill. Doing chores sends the children messages that they are part of the family and that they should do things for others. Every morning children care for the family pets by feeding them or walking them. It can also help the children keep healthy. Children should take part in almost all the chores. They will feel happier when they make a contribution (贡献) to the family. And it may help them understand the idea of working hard better. At the same time, they can learn a lot from doing the housework. It can help them live a better life in the future. 1．American mothers spend about ________ hours doing the housework each week. A．18 B．16 C．14 D．10 2．________ spend nearly 31 hours on the Internet every week. A．Old people B．Parents C．Teenagers D．Only children 3．Which of the following is NOT true? A．Doing chores can help children keep healthy. B．Young children do not need to do any chores. C．Children can learn a lot from doing chores. D．Mothers do more chores at home. 4．The best title for the passage may be “________”. A．Doing chores is good for children B．Parents should do the housework C．How much housework there is D．Doing chores is different 学科网（北京）股份有限公司 $$ Unit 2 Home Sweet Home 核心知识点精讲精练 2 (Grammar) 【主要内容】 · 【单元核心知识点精讲精练】每个单元按照教材安排分为Section A；Grammar和Section B三个部分。 · Grammar 部分精讲本单元的重点语法，讲解部分配有随学随练。 · Grammar 部分还设置了单元语法基础练习和单元语法提升练习，有单项填空、翻译句子、语篇填空、补全对话、完形填空、阅读理解等丰富多样的习题帮助学生更好地学习并掌握单元语法知识。 1、 单元语法解析 情态动词用法 1. 情态动词的基本用法 (1) 情态动词是表示情感态度的动词，不能单独作谓语，而是后接实义动词或系动词的动词原形构成谓语。 He can basketball. (×) He can play basketball. (√) (2) 情态动词一般没有人称和数的变化。 They can help us. She can help us too. (3) 少数情态动词有时态变化，如can过去式为could，may过去式为might。 The boy could play soccer when he was five. (4) 情态动词用作助动词，可以构成否定句，疑问句或简明答语。 He can’t play the piano. —Can you help me take out the rubbish. —Sorry, I can’t. I’m busy with my homework. (5) 常见情态动词 · should:“应该”，表示责任或义务。也可以用于建议。 Students should keep the classroom clean. You should wear more clothes. It’s so cold today. · must:“必须”。强调说话人的主观看法。 否定的mustn’t表示“禁止，一定不能”。 We must leave at once. You mustn’t take photos here. · may/might:“也许，可能”，表示推测；也能表示请求允许。 We may leave on Tuesday. May I park my car here? · have to:“不得不，必须”。强调客观需要。have to有时态和人称变化。 否定形式don’t have to表示“不必，没有必要”。 They had to get up early. You don’t have to finish it now. · had better:“最好...”，用于提建议。 You’d better not eat too much candy. 2. 含情态动词的各种句式 (1) 陈述句：主语+情态动词(+not)+实义动词或系动词原形+其他. 肯定句变否定句，在情态动词后加not。 I can speak French well. I can’t speak French well. (2) 一般疑问句：情态动词(+not)+主语+实义动词或系动词原形+其他？ 陈述句变一般疑问句时，将情态动词提至句首。 Alice can help to pack up the clothes. Can Alice help to pack up the clothes? (3) 特殊疑问句：特殊疑问词+情态动词(+not)+主语+实义动词或系动词原形+其他？ What can you do to make your mum smile? Why can’t you go now? [随学随练] 单项填空。 (1) —I want to read the book Ordinary World. May I ________ yours? —Sorry, I ________ it to Wang Yu yesterday. A．borrow; borrowed B．borrow; lent C．lend; lent D．lend; borrowed 【答案】B 【详解】句意：——我想读《平凡世界》这本书。我可以借你的吗？——对不起，我昨天借给王宇了。 考查动词辨析和一般过去时。borrow借进来；lend借出去。第一空根据“May I ... yours?”可知，情态动词may后跟动词原形，此处指的是“借进来”，因此第一个空填borrow。第二空再由“Sorry, I ... it to Wang Yu yesterday.”可知，句子的时态是一般过去时，此处指的是“借出去”，因此用lent。故选B。 (2) —What do I need to take for the hiking, Mum? —You’d better ________ more water than usual. It’s such a hot day today. A．to take B．take C．taking D．took 【答案】B 【详解】句意：——妈妈，徒步旅行我需要带什么？——你最好比平时带更多水。今天天气太热了。 考查情态动词的用法。had better do sth.“最好做某事”。故选B。 (3) _________ stay out late on school nights. You must ________ home before 9:00 p.m. A．Don’t; going B．Don’t; go C．Don’t; to go D．Don’t; goes 【答案】B 【详解】句意：学校日晚上不要在外逗留太晚。你必须在晚上9点前到家。 考查祈使句和动词形式。第一空为否定祈使句结构，用“Don’t+动词原形”；第二空中must是情态动词，其后接动词原形，go是正确形式。 故选B。 (4) — Thank you for your ________. — It doesn’t matter. We should ________ each other. A．help; help B．helping; help C．help; helping 【答案】A 【详解】句意：——谢谢你的帮助。——没关系。我们应该互相帮助。 考查词性。根据“Thank you for your...”可知，此处作宾语，使用不可数名词help；根据“We should...each other.”可知，此处缺少谓语，使用动词原形。故选A。 (5) John ________ come to see us tonight, but he isn’t very sure yet. A．may B．can C．must D．should 【答案】A 【详解】句意：约翰今晚可能会来看我们，但他还不确定。 考查情态动词辨析。may可能；can能够；must必须；should应该。根据“he isn’t very sure yet”可知，此处表示不确定的可能性，故选A。 (6) —______I use your dictionary? —Of course. Here you are. A．Must B．Need C．May D．Should 【答案】C 【详解】句意：——我能用下你的字典吗？——当然。给你。 考查情态动词。Must必须；Need需要；May可以；Should应该。根据下面的答句“Of course. Here you are.”以及选项可知，这里是在委婉地请求使用对方的字典，征求许可，应用May。故选C。 (7) It’s hot outside. You ________ wear your jacket. A．has to B．have to C．don’t have to D．don’t has to 【答案】C 【详解】句意：外面很热。你不必穿你的夹克。 考查情态动词“have to”的否定用法。has to不得不，第三人称单数形式；have to不得不，动词原形；don’t have to不必，否定形式；don’t has to错误表达。根据“It’s hot outside. You...wear your jacket.”可知，外面很热”暗示“不需要穿夹克”，此处表示否定含义，“don’t have to”意为“不必”，符合语境。故选C。 (8) I didn’t catch the bus yesterday. I _______ walk three kilometers to wait for another bus. A．was able to B．had to C．should D．might 【答案】B 【详解】句意：我昨天没赶上公共汽车。我不得不步行三公里等另一辆公共汽车。A. was able to能；B. had to不得不；C. should应该；D. might可能。根据上文I didn’t catch the bus yesterday.可知下文是不得不。根据题意，故选B。 情态动词can/could用法 1. 表示请求 (1) can和could都可以表示请求允许，could比can语气更加委婉。 (2) 常用问句： 请求问句：Can/Could+主语+动词原型+其他？ 肯定回答：Yes, you can. (是的，你可以) Sure. / Certainly. / Of course. 当然(可以)。 No problem. (没问题) 否定回答：No, you can’t.(不，你不可以) I’m afraid you can’t. (恐怕你不可以) Sorry, you have to... (抱歉，你得...) —Can you help me wash the car? (请求允许) —Yes, of course you can.(给予许可) —Can we eat out tonight? —Sorry, we can’t. (抱歉，不可以) —Could I buy some flowers? —Of course you can.(对于could提出的请求允许，回答时也要用can) 2. 表示许可 (1) can和could都可以表示给予许可，could比can语气更加委婉。 (2) 常用句型：主语+can/could+动词原型+其他？ You can play basketball on weekend. You can’t play the guitar after 11 p.m.. 3. 表示能力 (1) can可以表示能力，只能用于一般现在时。 注意：can与be able to都可以表示能力，can只能用于一般现在时，但be able to可以用于各种时态。 The girl can jump high. The boys was able to play volleyball when he was 6 six years old. (2) 在过去时中表示能力要用could。 4. 表示推测 (1) can表示推测，常用于否定句和疑问句中。 can’t意为“不可能”。 can用于肯定句推测时，常译作“有时会”。 It can’t be Mary’s. She doesn’t like blue. Can the news true? Cats can be scary. (猫有的时候很吓人) (2) could可以用于肯定句、否定句和疑问句等各种句式，表示推测时可能性比 can 小，常意为“也许、可能”。 It could be Jane’s. She likes to wear green coat. 5. 提出建议 (1) can可以用来提出建议或提供某种可能性。 You can go fishing or play badminton on Sunday afternoons. (2) could比直接用 can 更加委婉。 Maybe we could see a film tomorrow. [随学随练] 单项填空。 (1) —Could I take photos in this museum, Mrs. Smith? —Sorry, you ______. It’s not allowed there. A．can’t B．needn’t C．couldn’t D．won’t 【答案】A 【详解】句意：——史密斯夫人，我可以在博物馆拍照吗？——抱歉，你不可以。那里不允许拍照。 考查情态动词。can’t 不能；needn’t 不必；couldn’t 不能（过去式）；won’t 不会。根据“It’s not allowed there”可知，“不允许”拍照，所以此处表示“不能”，时态为一般现在时。故选A。 (2) Some robots ________ help scientists do dangerous things. A．can B．need C．should D．must 【答案】A 【详解】句意：一些机器人能帮助科学家做危险的事情。 考查情态动词辨析。can能；need需要；should应该；must必须。根据“help scientists do dangerous things”可知，此处强调机器人具备能力协助完成危险任务，而非必要性或义务性。故选A。 (3) —______ I take my pet dog to watch the shadow puppet show? —No, you ______. Pets aren’t allowed there. A．May; couldn’t B．Can; may not C．Could; can’t D．Must; couldn’t 【答案】C 【详解】句意：——我可以带我的宠物狗去看皮影戏吗？——不，你不能。宠物不得入内。 考查情态动词辨析。may可能；can能；could能，过去式或表委婉；must必须；couldn’t不能；may not可能不；can’t不能。根据“...I take my pet dog to watch the shadow puppet show?”可知，这里表示请求许可，需用委婉情态动词，用could，答句表达禁止规则，需用直接否定形式can’t。故选C。 (4) —Could I take the picture book home, Mrs Rice? —No, you ________. You ________ only read it here. A．couldn’t; can B．couldn’t; may C．can’t; can D．mustn’t; could 【答案】C 【详解】句意：——我可以把这本图画书带回家吗，Rice太太？——不，你不能。你只能在这里读。 考查情态动词辨析。couldn’t不能，过去式；can’t不能，原形；mustn’t禁止；can能，原形；may可以，原形；could能，过去式。根据“Could I take the picture book home, Mrs Rice?”可知，此句中could表示委婉语气，不是过去式，所以否定回答用can’t；第二空表示“只能在这里读”，用can表示“能，可以”。故选C。 (5) —Someone is knocking on the door. Is it Anna? —No. It ________ be her. She’s giving a performance at the theater now. A．can B．can’t C．mustn’t 【答案】B 【详解】句意：——有人在敲门。是安娜吗？——不。不可能是她。她现在正在剧院演出。 考查情态动词。can可能；can’t不可能；mustn’t禁止。根据“She’s giving a performance at the theater now.”可知，安娜正在剧院演出，因此不可能是她在敲门，用can’t表示否定推测。故选B。 (6) ________ you turn down the TV, please? I’m trying to work. A．Could B．Must C．Might D．Should 【答案】A 【详解】句意：麻烦您把电视音量调小一点好吗？我现在正忙着工作。 考查动词辨析。Could可以，表达委婉、礼貌的请求语气；Must必须，表示强制性的必要性；Might也许，表示可能性；Should应该，表示义务或建议。根据“...you tum down the TV, please?”可知，是在委婉请求对方把电视音量调小一点，故选A。 (7) John ______ be at school. His father took him to the hospital just now. A．must B．can’t C．may D．could 【答案】B 【详解】句意：约翰不可能在学校。他爸爸刚才把他送到了医院。 考查情态动词。must必须；can’t不可能；may可能；could可以。根据“His father took him to the hospital just now.”可知，约翰不可能在学校。故选B。 (8) Sophie ______ read both English and French when she was only five years old. A．can B．could C．may D．need 【答案】B 【详解】句意：Sophie五岁时就能阅读英语和法语。 考查情态动词用法。can能，表示现在具备的能力；could能，表婉转或过去具备的能力；may可能；need需要。根据“read both English and French when she was only five years old.”可知，空处强调过去具备阅读英语和法语的能力，需can的过去式could。故选B。 (9) —Why didn’t you come to the meeting yesterday? —I ________ come because I was sick. A．may not B．mustn’t C．couldn’t D．shouldn’t 【答案】C 【详解】句意：——你昨天为什么没来开会？——我因为生病不能来。 考查动词辨析。may not可能不；mustn’t禁止；couldn’t不能；shouldn’t不应该。根据“because I was sick.”可知是因为生病不能来。故选C。 (10) —Simon, could you go to Huating Lake with me tomorrow? —Sorry, I ________. I have to take care of my sick brother at home. A．won’t B．mustn’t C．couldn’t D．can’t 【答案】D 【详解】句意：——西蒙，你明天能和我一起去华亭湖吗？——抱歉，我不能。我必须在家照顾我生病的弟弟。 考查情态动词用法。won’t将不会；mustn’t禁止；couldn’t不能，用于过去时；can’t不能。根据“—Simon, could you go to Huating Lake with me tomorrow? —Sorry, I...I have to take care of my sick brother at home.”可知，问句用“could”委婉邀请，答句需表达“无法接受邀请”的原因。can’t直接表示“不能”，强调客观条件不允许，与“必须照顾弟弟”的因果关系完全匹配。故选D。 2、 单元语法基础练习 1. 单项填空 (1) Mr Green must ________ a good teacher. A．is B．am C．are D．be 【答案】D 【详解】句意：格林先生一定是一位好老师。 考查动词辨析和情态动词的用法。is是，第三人称单数；am第一人称单数；are复数；be动词原形。根据“must”可知，情态动词后需接动词原形，be是原形。故选D。 (2) We’d better ________ on the road. It is very dangerous. A．not to play B．not play C．to not play D．don’t play 【答案】B 【详解】句意：我们最好不要在路上玩。这非常危险。 考查情态动词的用法。had better not do sth.“最好不要做某事”，固定用法。故选B。 (3) —_________ you eat in the classroom? —No, we _________ eat in the dining hall. A．Can; can’t B．Must; can C．Should; mustn’t D．Can; must 【答案】D 【详解】句意：——我们可以在教室吃东西吗？——不可以，我们必须在食堂吃东西。 考查情态动词辨析。Can可以；can’t不能；Must必须；Should应该；mustn’t禁止。根据“...you eat in the classroom?”可知，此处是在询问能不能在教室吃东西，故第一空用情态动词can；根据“No, we...eat in the dining hall.”可知，我们不能在教室吃东西，我们必须在食堂吃东西，故第二空用must。故选D。 (4) —Could you please ________ her to play chess now? —Sorry, I ________ for an English test. A．teach; am studying B．teach; studied C．to teach; am studying D．to teach; studied 【答案】A 【详解】句意：——你现在能教她下棋吗？——抱歉，我正在为英语考试学习。 考查动词用法和时态。情态动词“Could”后接动词原形teach；根据“now”和“Sorry, I...for an English test.”可知，现在不能教是因为现在正在学习，第二句应用现在进行时，结构为be doing。故选A。 (5) Could you ________ the window? I feel a little cold. A．please not open B．please not to open C．not please to open D．please not close 【答案】A 【详解】句意：你能不要开窗吗？我有点冷。 考查情态动词用法。情态动词could后接动词原形，否定形式在动词原形前加not，此处用Could you not do sth.?表示“你能不做某事吗？” 故选A。 (6) —Will you be able to finish the work in time? —I ________ promise anything, but I’ll do my best. A．can’t B．shouldn’t C．couldn’t D．mustn’t 【答案】A 【详解】句意：——你能及时完成这项工作吗？——我不能保证什么，但我会尽力而为。 考查情态动词。can’t不能；shouldn’t不应该；couldn’t不能（通常用于过去时或委婉假设）；mustn’t禁止。根据“I...promise anything, but I’ll do my best.”可知，此处表示“无法保证什么，但会尽力而为”，是在对话情境中的直接回应，应用can’t。故选A。 (7) — ________ I sit here, madam? —Sorry, I’m afraid you ________. The seat is for the old man. A．Can; couldn’t B．Could; couldn’t C．Could; can’t D．Could; can 【答案】C 【详解】句意：——女士，我可以坐这儿吗？——抱歉，恐怕你不能。这个座位是给一位老人的。 考查情态动词。Can可以；couldn’t不可能；Could能够；can’t不能。“Could”用于一般疑问句，是一种比较委婉、礼貌的请求表达方式，此处用于询问是否可以坐这儿；“can’t”是“不能、不可以”的意思，用于一般现在时的否定回应，说明因为座位是给老人的，所以对方不能坐这儿。故选C。 (8) —Can we wear our own clothes at school? —No, we ________. We ________ wear the school uniform. A．can’t; have to B．mustn’t; can C．can; must D．needn’t; may 【答案】A 【详解】句意：——我们在学校可以穿自己的衣服吗？——不，我们不能。我们必须穿校服。 考查情态动词用法。can’t不能；have to不得不，必须；mustn’t禁止；can可以；must必须；needn’t不必；may可能。根据“No”可知，第一个空要用情态动词的否定形式，可以用can’t或mustn’t来回答“Can we”开头的一般疑问句；根据“wear the school uniform”可知，在学校必须穿校服，强调客观要求，用have to。故选A。 (9) —Can you jump high, Dad? —No, I can’t. But when I was your age, I ________ jump very high. A．could B．can C．couldn’t D．can’t 【答案】A 【详解】句意：——爸爸，你能跳得很高吗？——不，我不能。但当我像你这么大的时候，我能跳得很高。 考查情态动词。could能够；can可以；couldn’t不能；can’t不能。But表示转折，说明可以跳得很高，根据“was”可知，本句是一般过去时，故选A。 (10) —Could you play the piano at the age of six? —Yes, I ________. I ________ show you how to play it now. It is easy. A．can; could B．can; can C．could; can D．could; could 【答案】C 【详解】句意：——你六岁会弹钢琴吗？——是的，我会。我现在可以告诉你怎么弹。 这很容易。 考查情态动词。can能够，表示现在的能力；could能，表示过去的能力。根据“Could you play the piano at the age of six”可知空格一处表示过去的能力，用could；根据“now”可知空格二处表示现在的能力，用can。故选C。 (11) —Could you speak English, please? —Er, I ________ speak English well, but let me try. A．could B．mustn’t C．can D．can’t 【答案】D 【详解】句意：——你能说英语吗？——呃，我英语说得不好，但让我试试。 考查情态动词。could能够；mustn’t禁止；can可以；can’t不可能。根据“but let me try.”可知，自己的英语说得不好，应用can’t。故选D。 (12) —Excuse me, could you please ________ the car here? —Sorry, I ________. I will move it away right now. A．not to park; will B．not to park; won’t C．not park; will D．not park; won’t 【答案】D 【详解】句意：——打扰一下，请你不要把车停在这儿好吗？——抱歉，我不会（停在这儿）了。我现在就把它移走。 考查情态动词的用法。could you please后接动词原形，否定形式是could you please not do sth.，所以第一空用not park；根据“Sorry”以及“I will move it away right now. ”可知回答是不会把车停在这儿了，用won’t。故选D。 2. 用can, could, can’t, couldn’t或用所给词的适当形式填空，使句意完整。 (1) —Could you please help me fold the clothes, Tom? —Sure, I ________, Uncle Lee. I ________ fold my own T-shirts at the age of four. (2) —Tom, could you please help me take out the rubbish? —Sorry, I ________, Mom. I am doing my homework now. (3) —Could I borrow your dictionary? I left mine at home. —Sorry, I’m afraid you _________ because I’m using it. (4) —Mom, could I buy some food for sick children? —Yes, you ________. But you must finish your homework first. (5) —Could you please ________ (not open)the window? It’s cold outside. —I’m sorry, I’ll do it at once. (6) Last year I ________row a boat, and now I ________, either. (7) Simon ________swim when he was only seven years old. (8) Lucy ________ride a bike half a year ago, but now she ________do it very well. (9) —Could I use your dictionary, please? —Of course you ________. (10) —Who ________it be? —I think it might be Bob. (11) The water in the river is polluted. Tom ________catch any fish in it. (12) My little brother ________be a good student because he is very lazy. 【答案】 (1) can; could (2) can’t (3) can’t (4) can (5) not open (6) couldn't; can't (7) could (8) couldn't; can (9) can (10) can (11) can't (12) can't 3. 翻译句子。 (1) 你可以叠衣服吗？ 【答案】Could/Can you fold the clothes? (2) 我们不可以带手机到学校。 【答案】We can’t bring mobile phones to school. (3) Tom可以在教室里听音乐吗？ 【答案】Can Tom listen to music in the classroom? (4) 周一晚上你能和我们闲逛吗？ 【答案】Can you hang out with us on Monday evening? (5) 我有一张海报，你能帮我张贴起来吗？(汉译英) 【答案】I have a poster. Can you help me put it up? (6) 她在四岁时就能够独自看书了。(by oneself) 【答案】She could read by herself at the age of four. (7) 由于糟糕的天气，我们看不清楚下面的任何东西。 【答案】Because of the bad weather, we couldn't see anything below. (8) 你能把字典借给我用吗？ 【答案】Could you lend me your dictionary? (9) 请你扫一下地板好吗? 【答案】Could you please sweep the floor? (10) 能让我搭你的车到前面那个村子吗？(give a lift) 【答案】Could you give me a lift to the next village? 3、 单元语法提升练习 1. 补全对话 A M: Mom, I feel a little tired after doing the homework for one and a half hours. 1 W: Watch TV? Do you finish your homework? M: 2 W: I know you want to relax. 3 M: Sure, it’s easy for me. W:   4 M: No problem. Where is the rubbish? W: It’s in the kitchen. M:   5 W: Yes, but remember not to watch it for too long. M: OK. A．Could you take out the rubbish then? B．Could I listen to some music? C．Could I watch TV for a while now? D．After doing that, could I watch my favorite show? E．How about helping me fold the clothes on the bed? F．No, I still need about one hour. G．I don’t like doing the chores. 【答案】1．C 2．F 3．E 4．A 5．D 【导语】本对话主要是M想要看电视放松，结果妈妈让他叠衣服和倒垃圾，M爽快答应并做好，妈妈最后允许M看自己喜好的电视节目，并嘱咐不能看太长时间。 1．根据“I feel a little tired after doing the homework for one and a half hours”和“Watch TV?”可知此处请求看一会电视，选项C“我现在可以看一会儿电视吗”符合语境，故选C。 2． 根据“Do you finish your homework?”可知此处回答是否完成作业，选项F“没有，我还需要大约一个小时”符合语境，故选F。 3．根据“I know you want to relax”和“Sure, it’s easy for me”可知此处提出了放松的建议，选项E“帮我把床上的衣服叠起来怎么样”符合语境，故选E。 4．根据“No problem. Where is the rubbish?”可知此处是和垃圾相关的内容，选项A“那你能把垃圾倒出去吗”符合语境，故选A。 5．根据“Yes, but remember not to watch it for too long.”可知此处是再次请求允许看电视，选项D“做完之后，我可以看我最喜欢的节目吗”符合语境，故选D。 B 补全对话。根据所给对话，填写适当内容，使其完整、正确。 A: Tom, I need your help. B: OK, Mom. But please wait for a minute. A: 1 ? B: I’m playing computer games. A: You shouldn’t play them any more. Come here quickly. B: I’m coming, Mom. What can I do? A: Could you please do the dishes? B: Sure, Mom. 2 ? A: They are on the table in the kitchen. B: What do I have to do after doing the dishes? A: 3 ? I was too busy to sweep the floor this morning. B: No problem. Anything else? A: Nothing. You can watch TV after doing these things. B: 4 ? A: You can watch TV for an hour. B: 5 ? A: I’m going to have a meeting. B: OK, Mom. 【答案】1．What are you doing/What are you doing now 2．Where are they/the dishes 3．Could you please sweep the floor 4．How long can I watch TV 5．What are you going to do 【导语】本文为汤姆和妈妈之间的对话。文章主要为汤姆的妈妈让汤姆帮忙做家务的事。 1．根据“I’m playing computer games”可知，空格处妈妈应在询问汤姆现在正在做什么。故填What are you doing/What are you doing now。 2．根据“Could you please do the dishes”和“They are on the table in the kitchen”可知，此处在询问碗在哪里，也可问它们在哪里。故填Where are they/the dishes。 3．根据“What do I have to do after doing the dishes”和“I was too busy to sweep the floor this morning”可知，妈妈今天早上太忙了以致于没有时间扫地，故会询问汤姆是否能扫地。故填Could you please sweep the floor。 4．根据“You can watch TV for an hour”可知，汤姆在询问自己能看多长时间的电视。故填How long can I watch TV。 5．根据“I’m going to have a meeting”可知，汤姆在询问妈妈要去做什么。故填What are you going to do。 2. 补全语篇 A 根据短文内容，从括号中选择适当的单词填空 There are four people in Mr Black’s family. Let me introduce (介绍) them to you. Mr Black is good at computer. He (can/can’t) repair computers by himself. Mrs Black 2 (can/could) dance well in the past, but now she 3 (couldn’t/can’t) because there is something wrong with her left leg. Their son, Eric, 4 (can/can’t) design pictures on the computer. Look at the pictures. How beautiful they are! I really want to learn from him. Shirley is their daughter. Look at this photo. What a tall girl she is! She is about 1.7 metres tall. She 5 (can/could) play badminton well. She is a member of the school team. 【答案】1．can 2．could 3．can’t 4．can 5．can 【导语】本文主要介绍布莱克家的四口人的特长。 1．句意：他能自己修电脑。根据“Mr Black is good at computer.”可知他能自己修电脑，本句为一般现在时，故填can。 2．句意：布莱克夫人过去跳舞跳得很好，但现在她不能跳了，因为她的左腿有点问题。根据“in the past”可知是一般过去时。故填could。 3．句意：布莱克夫人过去跳舞跳得很好，但现在她不能跳了，因为她的左腿有点问题。根据“but now she...because there is something wrong with her left leg.”可知因为她的左腿有点问题，所以现在不能跳舞了。由now可知用一般现在时。故填can’t。 4．句意：他们的儿子，埃里克，能在电脑上设计图画。根据“Look at the pictures. How beautiful they are!”可知他们的儿子能在电脑上设计图画。故填can。 5．句意：她羽毛球打得很好。根据“She is a member of the school team.”可知她羽毛球打得很好。故填can。 B 根据首字母提示，补全单词，使其完整、正确。 Do you sometimes hear “Home, sweet home”? It is another way of saying it’s nice to be home. Home is a special place for e 1 . Many things make it “sweet”. What do you like about being at home? Maybe you like to play w 2 your brothers and sisters. Maybe you enjoy staying with your mum and dad. Maybe you have a pet you like to play with. S 3 time with your family is one thing that makes home sweet. Your b 4 is another thing to make home sweet. Your toys, books and other favourite things are in your bedroom. It is also a q 5 place for you to read a book or think about your way. Mealtime can make your home sweet, too. Family members sit a 6 the table to eat and share interesting stories. Would you like to h 7 do some housework at home? There are lots of things you can do to make home a sweet place. When family members work t 8 , these things can become easier and more interesting for everyone. Maybe you can help lay the dinner table or do some c 9 . Maybe you can wash the clothes for your family. Maybe you can w 10 the vegetables and other plants in the garden. All of them can bring you wonderful feelings. Try your best to do what you can do, so that when you come home every day, you can say, “Home, sweet home!” 【答案】 1．(e)veryone/(e)verybody 2．(w)ith 3．(S)pending 4．(b)edroom 5．(q)uiet 6．(a)round 7．(h)elp 8．(t)ogether 9．(c)leaning/(c)ooking 10．(w)ater 【导语】本文主要阐述了家对每个人来说是特别的地方，和家人相处、卧室里的物品、用餐时光等都让家变得温馨甜蜜，还鼓励大家帮忙做家务，共同营造美好的家。 1．句意：家对每个人来说都是一个特别的地方。根据“a special place for”和首字母提示可知，此处应指家对每个人而言都很特别，everyone和everybody都表示“每个人”。故填(e)veryone/(e)verybody。 2．句意：也许你喜欢和你的兄弟姐妹一起玩。根据“play”和首字母提示可知，此处应指和兄弟姐妹一起玩，play with sb.“和某人一起玩”，固定短语。故填(w)ith。 3．句意：和家人共度时光是让家变得甜蜜的一件事。根据“time with your family”和首字母提示可知，此处应指和家人共度时光，spend“度过”，此处要用动名词作主语，spend的动名词形式为spending，句首单词首字母大写。故填(S)pending。 4．句意：你的卧室是另一个让家变得甜蜜的事物。根据“Your toys, books and other favourite things are in your bedroom.”和首字母提示可知，此处应指卧室，bedroom“卧室”，且用单数。故填(b)edroom。 5．句意：它也是一个让你读书或者思考的安静的地方。根据“place for you to read a book”和首字母提示可知，适合读书的卧室应该是安静的，quiet“安静的”，形容词作定语。故填(q)uiet。 6．句意：家人们围坐在桌子旁吃饭，分享有趣的故事。根据“the table”和首字母提示可知，此处应指围坐在桌子旁，around“围绕”。故填(a)round。 7．句意：你愿意帮忙在家做些家务吗？根据“There are lots of things you can do”和首字母提示可知，此处应指帮忙做家务，help“帮忙”，不定式符号to后用动词原形。故填(h)elp。 8．句意：当家人们一起做事，这些事情对每个人来说会变得更容易和更有趣。根据“for everyone”和首字母提示可知，此处应指一起做事会更轻松有趣，together“一起”。故填(t)ogether。 9．句意：也许你可以帮忙摆餐桌或者做一些清洁/烹饪。根据“help lay the dinner table”和首字母提示可知，此处应指帮忙做家务，cleaning“清洁”和cooking“烹饪”都符合做家务的范畴。故填(c)leaning/(c)ooking。 10．句意：也许你可以给花园里的蔬菜和其他植物浇水。根据“the vegetables and other plants in the garden”和首字母提示可知，此处应指给植物浇水，water“浇水”，情态动词can后接动词原形。故填(w)ater。 3. 阅读理解 A It was half past five in the afternoon when Sarah came home from work. She walked into the living room and looked at her three children. The children were fourteen, thirteen and nine years old. They were happily watching TV. The room was dirty and untidy . There were empty glasses and dirty clothes on the floor. Toys were everywhere. Sarah got angry. “What a mess!” she said to her children. “I work all day and have to do housework all the evening. I’m very tired. I need to have a good rest. I won’t do housework anymore!” Sarah did as she said. She didn’t do any housework. Every evening she sat on the sofa and watched TV. A week later, every dish in the kitchen was dirty. All the children’s clothes were dirty, too. Every trash can was full. The whole house was out of order. Then one day when Sarah got home, she got very surprised. The kitchen was clean. The children had cleaned it! The second day, when Sarah got home, she found the living room was clean, and the children were washing their clothes. Sarah was happy and went to help them. Now Sarah and her three children do housework together. Then they all sit on the sofa and watch TV. 1．What did Sarah usually do in the evening before she got angry? A．She usually cleaned the house. B．She usually sat on the sofa and talked to her children. C．She usually watched TV. D．She usually did housework with her children. 2．How old was Sarah’s youngest child? A．Fourteen years old. B．Thirteen years old. C．Nine years old. D．Six years old. 3．Every day when Sarah got home, ________. A．the dishes were clean B．the room was dirty C．the children were studying D．her mother was looking after her children 4．Sarah’s children all felt ________ when Sarah got angry and didn’t do any housework for over a week. A．happy B．sad C．sorry D．unlucky 5．Which of the following is NOT true? A．Sarah came home from work at 5:30 p.m. B．Sarah didn’t do housework for over a week. C．The children were too young to wash their clothes. D．Now Sarah and her children do housework together before watching TV. 【答案】A C B C C 【导语】本文主要讲述了萨拉每天工作回来，家里都很凌乱，三个孩子谁也不收拾。于是她很生气，一个多星期都没有再做家务。孩子们都很愧疚，都开始收拾房间。萨拉很高兴。 1．细节理解题。根据第三段中的“I work all day and have to do housework all the evening.”可知，在发怒之前，萨拉下班回到家的晚上通常要做家务，包括打扫屋子。故选A。 2．细节理解题。根据第二段中的“The children were fourteen, thirteen and nine years old.”可知，萨拉最小的孩子九岁。故选C。 3．细节理解题。根据第二段的描述可知，每天萨拉下班回家后家里都乱糟糟的。故选B。 4．推理判断题。根据故事情节发展可知，当萨拉一个多星期没做任何家务后，她的孩子们开始自觉地做家务。由此推断，孩子们感觉很“内疚”。故选C。 5．细节理解题。根据第二段中的“The children were fourteen, thirteen and nine years old.”和倒数第二段中的“… and the children were washing their clothes.”可知，孩子们足够大，可以洗衣服。故选C。 B According to a report, about 60% of American families have working parents. Mothers spend about 18 hours doing the housework every week, and fathers spend about 10 hours doing the housework. What about the kids? Children aged between six and twelve spend less than three hours doing the housework every week, but almost 14 hours watching TV. How about teenagers? They spend nearly 31 hours on the Internet, but only three hours helping with the housework every week. However, some parents think children should spend more time on chores. Knowing how to do the housework is an important life skill. Doing chores sends the children messages that they are part of the family and that they should do things for others. Every morning children care for the family pets by feeding them or walking them. It can also help the children keep healthy. Children should take part in almost all the chores. They will feel happier when they make a contribution (贡献) to the family. And it may help them understand the idea of working hard better. At the same time, they can learn a lot from doing the housework. It can help them live a better life in the future. 1．American mothers spend about ________ hours doing the housework each week. A．18 B．16 C．14 D．10 2．________ spend nearly 31 hours on the Internet every week. A．Old people B．Parents C．Teenagers D．Only children 3．Which of the following is NOT true? A．Doing chores can help children keep healthy. B．Young children do not need to do any chores. C．Children can learn a lot from doing chores. D．Mothers do more chores at home. 4．The best title for the passage may be “________”. A．Doing chores is good for children B．Parents should do the housework C．How much housework there is D．Doing chores is different 【答案】1．A 2．C 3．B 4．A 【导语】文章讲述了在美国，大多数父母认为应该培养孩子的自立能力。他们认为孩子作为家庭成员，就应当分担家务，并且做家务对孩子的成长有很多好处。 1．细节理解题。根据“ Mothers spend about 18 hours doing the housework every week”可知，在美国，妈妈们每周大约花18个小时做家务。故选A。 2．细节理解题。根据“How about teenagers? They spend nearly 31 hours on the Internet”可知，每周，青少年花将近31个小时在因特网上。故选C。 3．推理判断题。文章主旨是提倡、鼓励孩子做家务，B项与文章旨大意不符。故选B。 4．标题归纳题。通读本文可判断，文章主要讲述了做家务对孩子们的益处，A项最能概括文章大意。故选A。 学科网（北京）股份有限公司 $$