最新人教版八年级下册unit3单元知识点

Unit3 Could you please clean your room?Section A1.Peter ,could you please take out the trash? 彼得，你能把垃圾倒了吗？【解析1】Could 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 can’t【2013 湖北黄冈3】40.—Could I borrow your camera?— ___________，but please give it back by Saturday.A. I am sorryB. Of courseC. Certainly notD. No, thanks 【2013山东菏泽1】15.—Sir , could you please put out your cigarette? This is a smoke-free（无烟的）school.— __________A. I'm sorry about this.B. No problemC. Sure, I'd love toD. Never mind【2013内蒙古呼和浩特】Tom , would you please ___ the box? It’s for you r sister.A. not openB. don’t openC. not to openD. to not open【解析2】take 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. The 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.①Could you please ___________(把垃圾倒了) ？( ) ②— Lisa, we need to clean the kitchen. Could you ____ the trash?— -Yes, sure.A. take afterB. take offC. take placeD. take out( ) ③_____ your pen and write down what I’m going to say.A. Take awayB. Take offC. Take downD. Take out【2013黑龙江大庆】6. You had better hurry or we’ll be late for the plane. The plane will _______ in a few 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1】do the +名词：do the dishes/ laundry 洗餐具/衣服【结构2】do the +动词-ing do the cleaning 打扫卫生【结构3】do one’s + 名词do one’s housework/ homework 做家务/家庭作业【结构4】do some +动词-ing do some reading/ shopping 读写书/购物①His mother ______________(洗碟子) in a restaurant.( ) ② He helps his mother ______ after every meal.A. does the dishesB. do the dishC. do the dishesD. does the dish3.Could I at least finish watching this show? 至少让我看完这个节目可以吗？【解析1】Could I do a sth? 我可以做......吗？用于表达请求，语气比较委婉。

Could I go out with my classmate this weekend?【解析2】at least 至少，多指数量或程度上的最低限度。

(反) at most 至少，不超过Now all of us exercise at ___ least ____ hour a day and outside school.A. the; aB.a; anC.不填；aD.不填；an【解析3】finish v 结束；完成finish doing sth 做完某事【2013四川雅安4】8. — Can you finish ____ these books before 10 o'clock?— Yes, I can.A. to readB. readC. readsD. reading4.I 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1】two hours of TV表示时间、距离、金额、度量等词语作主语时，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.【记】Mr. Smith has enough money ,but he isn’t kind enough to help others.【注意】enough 修饰名词时，置于名词前；修饰形容词时，置于形容词之后。

( ) ①In the old days ,people’s didn’t have _____ to eat.A. food enoughB. enough foodC.enough for( ) ②You are not ____ to take part in the match. Please work hard and try to improve yourself.A. good enoughB. Enough goodC. well enough5.Could you take out the rubbish,fold the clothes and do the dishes?你能把垃圾倒了。

把衣服叠好，再把碗洗了吗？【解析】take out 拿出；取出take 的用法：【拓展】take 构成的短语：take a walk 去散步take a rest 休息take care of 照顾take off 脱下；起飞take up 占据take down 拿下take one’s time 不急；慢慢来take one’s temperature 量体温6. The minute 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1】the minute = as soon as “一...... 就......”Please write to me the minute you get there.【解析2】in front of指在物体外部的前面There is a bike in front of the classroom.【辨析】指在物体内部的前面Our teacher is standing in the front of the classroom 【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 frontB. in the frontC. in front ofD. in the front of8. —Do you know the girl __________ is standing __________ the tree?— Yes, she is my friend, Zhang Ying.A. that, in the front ofB. whom , underC. who, in front ofD. which, behind【广西柳州】A dog is sitting in front ____ the house.A. onB. ofC. to【注意】有the无the区别大：at table 吃饭；进餐at the tabel 在桌边in hospital 住院in the hospital 在医院（不一定看病）【解析3】come 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/into进入,进来come on赶快,加油come along走吧,过来,快点come and go来来去去come up上来come out出来，(花)开，(照片)冲洗出来【2013浙江丽水】25. 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 outB. come outC. look outD. run out 【2013浙江宁波】24. Scientists are trying their best to _______ ways to treat theterrible disease called H7N9.A. come up withB. look forward toC. talk aboutD. 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( ) Man’s understanding of nature is developing ____ . It never stays at the same level .A. at the right timeB. for the first timeC. from time to timeD. all the time【拓展】与time相关的短语：on time 按时in time 及时at the same time同时form time to time偶尔the first time 第一次at times 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 timeB. at timesC. all the timeD. in timeI knew it was impossible for me __________(按时上班) when I missed the last bus. 【山东东营】Tom didn’t go to school _____ this mo rning because he overslept.A. at onceB. on timeC. by accidentD. at present8. I’m just as tired as you are! 我和你一样累！【解析】as...as ... 和......一样......【2013江西1】26. There are a small number of people involved, possibly ______twenty.A. as few asB. as little asC. as many asD. as much as 【2013安徽1】33. It’s said that the power plant is now____ large as what it was.A. twice asB. as twiceC. twice muchD. 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【2013福建2】23. The famous musician, as well as his students, _______ to perform at the opening ceremony of the 2012 Taipei Flower Expo.A. were invitedB. was invitedC. have been invitedD. has been invited【解析】考查主谓一致和动词时态。