八年级（下册）英语教（学）案Unit3SectionA知识精讲

1、WORD7/7 人教版八年级英语Unit3 SectionA重难点讲解 Peter ,could you please take out the trash? 彼得，你能把垃圾倒了吗？解析1Could you please do sth ?请你（做）好吗？用于提出请求，希望得到对方的肯定回答，说话的语气比较客气委婉。Could 不是can的过去式，是委婉、礼貌的说法。回答用can.常用答语肯定回答：Sure./ Of course./ Certainly./No problem.否定回答： Sorry , I cant2013 黄冈340.Could I borrow your camera?

2、 _，but please give it back by Saturday. A. I am sorry B. Of course C. Certainly not D. No, thanks2013呼和浩特Tom , would you please _ the box? Its for your sister. A. not open B. dont open C. not to open D. to not open解析2take out 取出（v+ adv） 注: 跟代词做宾语，代词放中间； 跟名词做宾语，可放在中间，也可放在后边（ ）His teeth hurt badly. Th

3、e dentist _. A .take out it B. take out them C. take it out D .take them out 短语take out the trash 倒垃圾 take a walk 散步 take away 拿走，取走 take back 收回 take place 发生 take off 脱下； 起飞The gift is in the box. You can take it out.20136. You had better hurry or well be late for the plane. Theplane will _ in a f

4、ew minutes. A. take upB. take downC. take offD. take away2. Can you do the dishes.？那你可以洗盘子吗？ do the dishes 洗碗 结构1do the +名词： do the dishes/ laundry 洗餐具/衣服 结构2do the +动词-ing do the cleaning 打扫卫生 结构3do ones + 名词 do ones housework/ homework 做家务/家庭作业 结构4do some +动词-ing do some reading/ shopping 读写书/购物 (

5、 ) He helps his mother _ after every meal. A. does the dishes B. do the dish C. do the dishes D. does the dishCould I at least finish watching this show? 至少让我看完这个节目可以吗？解析1Could I do a sth? 我可以做吗？用于表达请求，语气比较委婉。解析2at least 至少，多指数量或程度上的最低限度。 (反) at most 至少，不超过20124Now all of us exercise at _ least _ ho

6、ur a day andoutside school. A. the; a B.a; an C.不填；a D.不填；an解析3finish v 结束；完成 finish doing sth 做完某事201348. Can you finish _ these books before 10 oclock? Yes, I can. A. to read B. read C. reads D. readingI think two hours of TV is enough for you! 我觉得你看两个小时的电视已经足够了。解析1two hours of TV 表示时间、距离、金额、度量等词语

7、作主语时，通常被视作整体，谓语动词用单数形式。 How time is flies! Three years _(be) really a short time.作形容词足够的，充分的（在句中作定语或表语）解析2enough I dont have enough money with me.作 副词足够；充分（放在形容词；副词后） The river is deep enough for swimming. 记 Mr. Smith has enough money ,but he isnt kind enough to help others.注意enough 修饰名词时，置于名词前；修饰形容

8、词时，置于形容词之后。 ( ) = 1 * GB3 * MERGEFORMAT In the old days ,people didnt have _ to eat. A. food enough B. enough food C.enough for( ) = 2 * GB3 * MERGEFORMAT You are not _ to take part in the match. Please work hard and try to improve yourself. A. good enough B. Enough good C. well enough6. The minute

9、I sat down in front of the TV, my mom came over .我刚坐在电视机前面，我妈妈就过来了。解析1the minute = as soon as “一 就” Please write to me the minute you get there.解析2 in front ofin front of 指在物体外部的前面 There is a bike in front of the classroom.辨析 in the front of 指在物体部的前面 Our teacher is standing in the front of the class

10、room 记 The driver sat _ the car. The policeman stood _ the car.( ) At last the taxi stopped _ a tall building ,and we all got off. A. in front B. in the front C. in front of D. in the front of2013达州8. Do you know the girl _ is standing _ the tree? Yes, she is my friend, Zhang Ying.A. that, in the fr

11、ont of B. whom , under C. who, in front of D. which, behind A dog is sitting in front _ the house. A. on B. of C. to 注意有the无the区别大：in hospital 住院in the hospital 在医院（不一定看病）解析3come over 过来 拓展 come 短语：come across（偶然）发现 come back 回来 come up with想出 come true实现 come down下来 come from=be from来自,出生于come in/i

12、nto进入,进来 come on赶快,加油 come and go来来去去 come up上来 come out出来，(花)开，(照片)冲洗出来201325. The great writer has written many stories for children. It is said that a new one will _ at the end of this month.A. go out B. come out C. look out D. run out201324. Scientists are trying their best to _ ways to treat th

13、e terrible disease called H7N9.A. come up with B. look forward to C. talk about D. give up7. You watch TV all the time and never help out around the house!你总是看电视，从不帮忙做家务！解析all the time = always 一直；总是拓展与time相关的短语： on time 按时 in time 与时 at the same time同时 form time to time偶尔 the first time 第一次 at time

14、s 有时 time and time again 一再；经常 last time上次 next time 下次（ ）We all know that the earth moves around the sun _. A. on time B. at times C. all the time D. in time 东营Tom didnt go to school _ this morning because he overslept. A. at once B. on time C. by accident D. at present8. Im just as tired as you ar

15、e! 我和你一样累！解析as.as . 和一样2013133. Its said that the power plant is now_ large as what it was. A. twice as B. as twiceC. twice much D. much twice 注比较级倍数表达句型为：倍数+as+形容词、副词原级+as+比较对象2013121. When an earthquake happens, and you are outdoors, you should go to an open area as _ as possible. A. quicklyB. qui

16、etlyC. loudlyD. slowly2013156. Liu Ying is good at singing. She sings _the famous singer, CoCo. A. as well as B. as good as C. as better as D. as the best as9. For one week , she did not do any housework and neither did I. 一周的时间，她不做任何家务，我也不做。解析neither +助动词/系动词/情态动词 +主语 “某人（主语） 也不” neither两者都不neither

17、 nor 既不也不,连接两个词做主语，谓语动词由后一个主语确定Neither Tom nor Jim is a student2013潍坊3. I have two sisters, but _of them is a teacher.A. all B. neither C. both D. none20135. The teachers in that school speak either English or French, or even _.Thats so cool!A. all B. both C. neither D. none20136.Which magazine do y

18、ou like better, Crazy Reading or Teens space? I like _of them. They are useful for English lessons. A. none B. neither C. all D. both 2013中考He speaks _English _French. Instead, he speaks German.A either; or B not only; but also C both; and D neither; nor 表达“也不” 则用 “Neither /Nor + be / V助 / V情 + 主” (

19、 ) I dont like rainy days. _. Rainy days always make me sad.A. Neither do I B. So do I C. Neither I do D. So I do2013 went to the park yesterday. _ . But I didnt see you there. A. So do I B. So did I C. Neither did I 10. The next day , my mom came home from work to find the house clean andtidy. 第二天，

20、妈妈下班回到家后发现房间很干净、整洁。解析find +宾语+宾语补足语注find found found v寻找 (1) find sb. doing sth 发现某人做某事 (2) find it + adj. + to do sth 发现做某事很find it difficult/ hard to do sth 发现做某事很困难( ) She found _ hard to finish the work by herself. A. that B. its C. it D. this11. She asked in surprise.她吃惊地问道。解析in surprise 惊奇地；吃惊

21、地surprise v 使吃惊surprising adj. 令人吃惊的 surprised adj. 吃惊的 to ones surprise 使某人吃惊的是 in surprise 吃惊地 be surprised at 对感到吃惊We are _at the _news.(surprise) 12. “ Im do sorry, Mom. I finish understand that we need to share the housework to have a clean and comfortable home.” I replied. “对不起，妈妈。我终于理解为了拥有一个干

22、净、舒适的家我们需要共同来分担家务。” 我回答说。2012Lisa is a little poor at Chinese . I think she needs _ it every day. A. practice to speak B. to practice speaking C. practice speakingshare sth with sb. 与某人分享某物( ) All his friends _ his happiness when he won the match. A. Shared B. Shared from C. Shared with14. Could you

23、 please pass me the salt?你能把盐递给我吗？2013中考If Nancy _ the exam , she will go to Australia for English study. A. pass B. passed C. passes D. will pass15. Could I borrow that book?我能借下你那本书看吗、 Could you lend me some money?你能借我一些钱吗？解析borrow /lend/keep (1)borrow 借入 ,与from 连用，尤指主语“借进来” borrow sth from sb. 从某

24、人那里借某物You can borrow the book from the library.(2)lend 借出 ,与to 搭配 指借出去 lend sb sth=lend sth to sb 把某物借给某人 He doesnt want to lend his book to others. (3)keep 保留，保存（延续动词，可以与表示一段时间的状语连用）指借一段时间记 I want to _ a bike from my friend but he didnt _ it to me, because Tom had _ it for two days.中考1 You may _ th

25、e book for two weeks. A. keep B. borrow C. lend D. buy 中考2 Although you like the book, you may only _ it for two weeks. A. borrow B. keep C. lend D. stay.16. I cut my finger and Im trying not to get it wet. 我的手指割伤了，伤口不能弄湿。解析try (not) to do sth努力（不）做某事。 try v 试图，设法，努力 拓展 (1)try on 试穿 (2) try to do st

26、h 努力做某事 侧重尽力做 (3) try doing sth 试图做某事 侧重尝试做(4)try ones best to do sth= do ones best to do sth 尽某人最大努力做某事We should _(尽最大努力)to be happy in the future.( ) We should try _ much fruit. A. eat B. to eat C. eating D. eats2013中考2 I didnt hear you come in just now. Thats good. We tried _ any noise, for you w

27、ere sleeping. A. not make B. not to make C. to make D. making17. I hate to do chores. 我讨厌做家务。解析hate to do sth 讨厌做某事, 表示某次具体行为或动作。 I hate to trouble him. hate doing sth不愿意做某事 表示经常或习惯性行为或动作。 She hates smoking in her room. 18.Could I ask you to help me with some chores then? 那我能请求你帮我做些杂活吗？解析ask sb. to

28、do sth 要求某人做某事。ask for 请求，要某物 ask sb. about sth 向某人询问关于某事 短语含义ask sb. to do sth请某人做某事ask sb. not to do sth不让某人做某事ask sb for sth 向某人要某物ask for help 寻求帮助( ) If you have difficulty in learning English, you should ask your teacher or your classmates _ help. A. for B. of C. in D. on中考 Mr. Li asks the stu

29、dents _ in the river, because its too dangerous. A. swim B. to swim C. not to swim D. to not swim2013中考Our teacher often asks us _ questions in groups.A. discuss B. to discuss C. discussing D. discussed19.Ill finish my homework while you help me with the dishes.当你帮我洗盘子的时候，我将完成我的家庭作业。解析1finish doing

30、sth 完成某事 2013中考 Can you finish _ these books before 10 oclock? Yes, I can. A. to read B. read C. reads D. reading 解析2while conj. “在期间； 当的时候”While 引导的时间状语从句的谓语动词只能是延续动词。2013中考_ the children have fun, parents can take dance lessons onthe beach. A. When B. If C. While D. Once2013中考Sally took a photo of

31、 her friends while they _ computer games. A. play B. are playing C. have played D. were playing解析3help sb. with sth. 在某事上帮助某人。注help v 帮助 helpful adj. 有帮助的(1)help sb. do sth. =help sb. with sth. 帮助某人做某事(2)with the help of sb.=with ones help在某人的帮助之下(3)without the help of 没有在的帮助之下 ( ) _ your help, we c

32、ouldnt catch the thief.With B. Under C. For D. Without20132Ann often helps me _ math after school.A. for B. with C. on D. by四、完型填空训练（10分）A generous gap(代沟) has become a serious problem. I read a 16 about it in the newspaper. Some children have killed themselves after 17 with parents. I think this is

33、 because they dont often have a talk with each other. Parents now 18 more time in the office, 19 they dont have much time to stay with their children. As times passes, they both feel that they dont have the 20 topic(题目) to talk about. I want to tell parents to be more with your 21 , get to know them

34、 and 22 them. And for children, show your 23 to your parents. They are the people who love you. So 24 them your thoughts. In this way, you 25 have a better understanding of each other. （）16. A. message B. call C. report D. letter（）17. A. talk B. argue C. fight D. play（）18. A. spend B. stay C. work D

35、. have（）19. A. because B. if C. but D. so（）20. A. interesting B. same C. true D. good（）21. A. business B. children C. work D. office（）22. A. get on well with B. look after C. understand D. love（）23. A. interest B. secret C. trouble D. feelings（）24. A. tell B. ask C. answer D. say（）25. A. can B. shou

36、ld C. must D. would六、阅读题Rico is a dog who lives in Germany. His owners trained him from a young age to find his toys. When they say the name of a certain toy, Rico can find it. In fact, he seems to know the names of 200 toys!Some researchers in Germany wanted to test Rico. They put his toys in a roo

37、m and then told him to go into the room and find a certain toy. Since nobody was in the room with Rico, he had no help from anyone finding the right toy. The researchers did this test forty times. Rico found the right toy thirty-seven times.Then the researchers tried something else. They put seven of Ricos toys in the room and one new toy that Rico had never seen before. Then they told Rico to go into the room and get the new toy. This new toy had a name Rico had never heard before. Ric