最新人教版八年级英语下册第三单元知识讲解及练习

1、Unit 3 Could you please clean your room?【单元话题】1. 学习向别人提出请求的礼貌语言.2. 学习如何争得别人的允许或许可.3. 能写出一篇短信, 要求你的朋友或家人当你不在时为你所做的事情【重要句型概览】1. Could you please clean your room? Yes, sure.2. Could you please do the dishes?Sorry, I can t. I have to do my homk.ewor3. Could I please go to the movies? Yes, you can.4. Cou

2、ld I please use the car? No, you can t. I have to go out.【重要词组概览】do the dishessweep the floortake out the trashfold your clothesclean the living roomdo choresget a ridehave to do sth.forget to do sth.do the laundryhate to do (doing) sth.like to do (doing) sth.make dinnermake your bedinvite sb to a p

3、lacetake sb. for a walkplay with sb.give sb sth.=give sth to sbtake care of= look after【语法聚焦】表示请求、允许、许可表示允许时用can, could, may, might表达。它们没有时态上的差别，只是 could 比can, might比may语气上要客气。（用can或could表示 许可”，虽然很普通， 但在正式、庄重的场合用may。）例如： A: Could I borrow your dictionary? 劳驾，我可以借你的字典用用吗？B: Yes, of course （you can）当然

4、可以。Can表示允许、许可”时，和may的意思相近，即can=may.此时的否定式是can t （=must not） Could/Canyou please tell me how to get to the post office?劳驾，您能告诉我怎么去邮局吗？ Mr Li asked me whether I could go with him 先生问我是否可以和他一起去。（此句中的could不能用can代替。）表示请求时还可以用句型：Will/Would you？青（为我）好吗？该句型用于请求对方做某事。Would you？比较客气。语气比 W川you援委婉。例如： Will you

5、passme the spoon? 请把勺子递给我好吗？ Would you lend me your dictionary?请借你的词典用一下好吗？答句为：Yes, I will. 是的，可以。Sure. 当然了。All right. 好啊。Certainly.当然可以Yes, please. 好的，可以。No, I won 不，不行。 t.I m sorry. I can 对不起， t. 不行。No, thank you. 不了，谢谢。 Shall I我嘤吗？Shall we？我们一起 好吗？Shall we？与Let' s意思上很相近。Shall I carry it for y

6、ou? 我来帮你搬它好吗？Yes, please./ Yes, thank yoUff吧。/好吧，谢谢。Shall we sing a song钺们唱一支歌好吗？No, let ' s not.,另U唱了。【能力测试】一 . 选择填空1. A: Could you please sweep the floor?8: . I have to do my homework.A. Yes, sure. B. Why not? C. Sorry, you can t D. Sorry, I can2. A: Could you please buy drinks and snacks?8: S

7、orry. I don t have money.A. some, any B. any, any C. some, some D. any, some3. Nancy, thanks for care of my goldfish.A. take B. takes C. taking D. took4. We ll have to do in English class.A. something different B. different somethingC. anything different D. different anything5. This shirt is a littl

8、e than that one.A. cheap B. Cheaper C. the cheapest D. cheapest6. A: Could I please ?B: Sorry, you can t. Your father has to use it.A. do chores B. go to the movies C. use the car D. go to school7. Yao Ming was born September 12,1980.A. on B. in C. at D. of8. There any sharks in the aquarium.A. are

9、B. aren ' C . isn ' t D. is9. “How was the movie? ”“It was. I don ' t like it ” .A. funny B. good C. well D. boring10. readers said they were going to learn a new language.A. A little B. Little C. Few D. A few11. You look tired. You need a good rest.A. has B. have C. to have D. having 12

10、. Beckham is a popular soccer.A. singer B. actor C. player D. doctor13. I my aunt in Australia this winter vacation.A. visit B. am going to visit C. Visited D. was going to visit 14. Don ' t forget the lights when you leave.A. to turn off B. turning off C. turn off D. turned off 15. I like the c

11、ar because I can be outside.A. wash B. washing C. washes D. washed 二.完型填空We got over 1,0001 , faxes, and e-mails from our readers about their NewYear' s resolutions. Thank you! Many readers are goingwork _2in school this year. Lots of readers are going to_3. Some readers said they were going to

12、eat_ 4vegetables. A few readers _5they were going to learn a new language. Some_ 6said they were going to exercise more to keep fit. Some 7said they were going to study the subjects their children learn at school. They said they_8to communicate better with their kids. An old lady said she found a jo

13、b9a foreign language teacher. She is going to 10a teaching job in China next year. ()1. A. stamps B. fruits C. letters()2. A. hard B. harder C. hardest()3. A. play sports B. play games C. play with( ) 4. A. many B. more C. a little( ) 5. A. say B. says C. said( ) 6. A. girls B. boys C. men( ) 7. A.

14、fathers B. mothers C. parents( ) 8. A. want B. wanted C. wants( ) 9. A. like B. as C. for( )10. A. look for B. look at C. find 三 . 阅读理解(A)Betty is an American school girl. She is very happy because her parents will take her to China for a visit. They are going to fly from New York on June 30 and get

15、 to Beijing on July 1. They will stay at Lido Holiday Inn. Their Chinese friends will show them around Beijing. They are going to visit the Palace Museum, the Summer Palace, the Temple of Heaven and the Great Wall. They will also visit some Chinese homes and try some Chinese food. They will spend a

16、week in Beijing and then go to Xi Guilin and some other places for sightseeing. The whole trip will take three weeks and she is sure she will have a great time in China.1. Betty is very happy because she will with her parents.A. visit China B. go home C. watch TV2. Their friends will show them aroun

17、d Beijing.A. Australian B. Chinese C. American3. From the text we can know that they will in Beijing.A. cook Chinese food B. Learn to speak Chinese C. try some Chinese food4. After they visit Beijing , they will go to .A. Xi an and Guilin B. The Summer Palace C. Shanghai5. How long will the whole tr

18、ip take?A. one weekB. two weeksC. three weeks(B)阅读短文，完成下列表格Hello, everyone. Here is something important for everyone going to London next month. As you know, you are going to stay with a family for two weeks. Now, the most important thing is money. You should take about $530 with you. I think it wil

19、l be enough for everyone. Then, when you arrive, your new family will meet you. You must remember to wear a red shirt, so the family will find you easily. They' ve Itold you all wear red shirts. You ' ll also need to take with you 4 photos of yourself and, of course, it ' s very importan

20、t that you take the school letter. While you' re thhave any problems, you can call Leech School Office. I' ll give you the office phonenumber now: it4436 and the person to ask for is Mrs BelcherShe' s in theoffice from nine o ' clock in the morning until five in the afternoon every d

21、ay. OK.That' s everything. Have a good journey!1. Where are they going?2. How long are they going to stay there?ToFor3. Why must they wear red shirts?Because the familythem4. What ' s the school office telephone number?5. What could Mrs Belcher' s job beaccording to the reading?She could

22、 be a (an)四.家务劳动包括哪些内容？写词组例如 ：The chores includes:1) 2) 3) 4) 5) 五.连词成句1. take out, could, please , you , trash , the2. are , I , and , parents , my , going , tomorrow , vacation , on3. I , please , movies , go , could , to , the4. you , often , the , clean , room, do5. but, have , you , to , your , finish , first , homework六.书面表达（10'）这个周末你与父母去海滨度假，你的宠物小狗需要好友Ted帮忙照顾。请用下 面的提示词给Ted写份留言。take care of , take for a walk, feed and give some water, play with him, cleanTed,Thanks for一.1. D2. A 3. C4. A5. B 6. C 7. A 8. B 9. D 10. D 11. C12. C13. B14.A15. B二.1. C2