八年级下册unit3单元知识点,推荐文档

Un it3 Could you please clea n your room?
Section A
1. Peter ,could you pleasetake out the trash?彼得，你能把垃圾倒了吗？
【解析 11 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./ Certai nly./No problem. 否定回答：
Sorry , I can ' t
【2013 湖北黄冈 31 40.—Could I borrow your camera?
— ___________ ， but please give it back by Saturday.
A. I am sorry
B. Of course
C. Certa inly not
D. No, tha nks 【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 problem
C. Sure, I'd love to
D. Never mind
【2013 内蒙古呼和浩特】Tom , would you please __ the box? It ' rssfoteyou
A. not open
B. don ' t open
C. not to open
D. to not open
【解析 21 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）？
（ ）②一Lisa, we n eed to clea n the kitche n. Could you __ the trash?
—-Yes, sure.
A. take after
B. take off
C. take place
D. take out
（ ）③ _____ y our pen and write down what I ' m going to say.
A. Take away
B. Take off
C. Take dow n
D. Take out
【2013 黑龙江大庆】6. You had better hurry or we ' ll be late for the plane. The
A. does the dishes
B. do the dish
C. do the dishes
D. does the dish
pla ne will ______ in a few min utes.
A. take up
B. take dow n
C. take off
2. Can youdo the dishes ?那你可以洗盘子吗？ do the
dishes 洗碗 do the + 名词： do the + 动词-ing do one '
s 名词 do some +动词-ing D. take away 【结构1】 【结构21 【结构① His mother ______ （）② He helps his mother do the dishes/ la un dry 洗餐具 / 衣服 do the clea ning 打扫卫生
do one ' s housework/ homewo 做家务 /家庭作业 do some readi ng/ shopp ing 读写书 / 购物 ______ 洗碟子）in a restaura nt.
____ after every meal.
3. Could I at least finish watching this show?至少让我看完这个节目可以吗? 【解析
11 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 weeke nd?
【解析21 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 A. the; a B.a; an 【解析31 finish v 结束；
least hour a day and outside school.
C.不填；a 完成
D.不填； an
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 read
B. read
C. reads
D. readi ng
4. I thi nk two hours of TV is eno ugh 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 eno ugh money ,but he isn ' t kind eno ugh 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 eno ugh
B. eno ugh food
C.eno ugh for
( )② You are not ___ to take part in the match. Please work hard and try to
improve yourself.
A. good eno ugh
B. Eno ugh good
C. well eno ugh
5. 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：
Please take some books to the classroom. Take this medici ne three times a day. They usually take the bus to work.
拿；取
“ 吃；喝；服用
take
乘（车；船等）
It takes me t花费ho时间；to 金钱my homework every day.
【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 tim 不急; 慢慢来
take one ' s tempera 量体温
6. The mi nute I sat dow n 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.
Our teacher is standing in the front of the classroom
The policema n stood _ the car. （ ）At last the taxi stopped _____ a tall build ing ,and we all got off.
A. in front
B. in the front
C. in front of
D. in the front of
8. — Do you know the girl _________ is sta nding _________ the tree?
—Yes, she is my frie nd, Zhang Ying.
A. that, i n the front of
B. whom , un der
C. who, in front of
D. which, beh ind
【广西柳州】 A dog is sitting in front ___ the house.
A. on
B. of
C. 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 true 实现 come dow n 下来
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 mon th.
A. go out
B. come out
C. look out
D. run out
【2013 浙江宁波】24. Scientists are trying their best to _____ ways to treat the terrible disease called H7N9.
in front of 【辨析】 in the front of 指在物体内部的前面
【记】 The driver sat the car.
come up with 想出 come from=be from 来自，出生
A. come up with
B. look forward to
C. talk about
D. give up
7. 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 time
B. for the first time
C. from time to time
D. all the time
【拓展】与time相关的短语：
on time 按日寸in time 及日寸at the same time同日寸
form time to time 彳禺尔the first time 第一次at times 有日寸
time and time again—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. i n time
I 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 mning because he overslept.
A. at once
B. on time
C. by accide nt
D. at prese nt
8. I ' m ja s ttired asyou 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
twen ty.
A. as few as 【2013 安徽1] 33. It
A. twice as
B. as little as
C. as many as
D. as much as
's said that the power plant is now large as what it was.
B. as twice
C. 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
【2013 福建2] 23. The famous musician, as well as his students, ______ to
perform at the ope ning cerem ony of the 2012 Taipei Flower Expo. A. were in vited B. was in vited
C. have bee n in vited
D. has bee n in vited
【解析】考查主谓一致和动词时态。

题干主语中心词为介词短语as well as之前的musician, 故谓语使用单数
【2013 临沂1】21. Whe n an earthquake happe ns, and you are outdoors, you should go to an ope n area as ________ as possible.
A. quickly
B. quietly
C. loudly
D. slowly
56. Liu Ying is good at singing. She sings _____ the famous sin ger, CoCo.
A. as well as
B. as good as
C. as better as
D. as the best as
9. For one week , she did not do any housework and either 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”
⑴neither两者都不
neither …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 js a stude nt
【2013 潍坊】3. I have two sisters, but _______ of them is a teacher.
A. all
B. neither
C. both
D. none
5. — The teachers in that school speak either En glish or Fren ch, or eve n —That's so cool!
A. all
B. both
C. neither
D. none
6. — Which magaz ine do you like better, Crazy Readi ng or Teen
—I like ___ of them. They are useful for En glish less ons.
A. none
B. neither
C. all
D. both
【十堰】D27. — Which do you prefer, a CD player or a walkman?
— ___ . I prefer a portable computer.
A. Both
B. Either
C. No ne
D. Neither
He speaks _____ En glish _____ Fren ch. In stead, he speaks Germa n.
A either; or
B not only; but also
C both; and
D n either; nor ⑵ 表达“•也不……”则用 “Neither /Nor + be / V 助 / V 情+主”
( )—The first one wasn ' t bad. A. So wasn ' t the second B. So the second was
C. Neither wasn ' t the secon
D. Neither was the second
( ［②―don ' t like rainy days.
— ________ . Rainy days always make me sad.
A. Neither do I
B. So do I
C. Neither I do
D. So I do
【2013黄石中考 1】lean ' t play the piano ,and _____ .
A. n either can my sister
B. my sister can t , too
C. so can ' t my sister
D. can my sister, either 【2013 绥化】一 I went to the park
yesterday.
—_____ . But I didn ' t see you there.
A. So do I
B. So did I
C. Neither did I 10. The n ext day , my mom came home from work tefind the house clea n and tidy.
第二天，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 寻找
(1) find sb. doi ng sth 发现某人做某事
⑵find 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. it ' s
C. it
D. this
11. She askedi n surpris e.她吃惊地问道。

【解析】in surprise 惊奇地；吃惊地 surprise v 使吃惊 —surpris ing adj.令人吃惊的
—surprised adj.吃惊的
s surpri S e S 人吃惊的是
in surprise 吃惊地
s space?
to one
be surprised at对... 感至U吃惊
①__________________ 使我吃惊的是),he got the first prize in the exam.
②We are __________ at the _____________ n ews.(surprise)
( )③____ his surprise, she succeeded in climb ing up the high mountain.
A. At
B. To
C. In
D. On
【2011 昭通】I was very surprised whe n the alie n went into a souve nir shop.
A. excited
B. amaz ing
C. relaxi ng
D. amazed
12. “I ' m do sorry, Mom. I finish understand thatiw e dto sharethe 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净、舒适的家我们需要共同来分担家务。

”我回答说。

【解析1】need v需要
用于肯定句，是实义动词。

(1) 人做主语，sb. need to do sth某人需要做某事
(2) 物做主语，sth n eed doing sth= sth n eed to be done
①Stude nts n eed ________ (have) a good rest in study ing.
②The watch needs _________ (men d).
用于否定句或疑问句，是情态动词
(1) needn ' t = don ' t h没有必要
(2) need ,must引导的一般疑问句，肯定会的用must,否定回答用need n't
—Must I go there now?
—Yes, you must/No, you needn 't
( )You _______to the meet ing this after noon if you have someth ing importa nt to do.
A. needn ' t to come
B. don 'ne ed come
C. don ' t need coming
D. needn ' t come
【2013无锡中考4】Don t throw away the waste paper, It needs __ so that it can be reused.
A. to destroy
B. destro ying
C. to collect
D. collecti ng
【2012 齐齐哈尔2] Lisa is a little poor at Chinse . I think she needs __ i t every day.
A. practice to speak
B. to practice speak ing
C. practice speak ing
【解析2] share分享；共用
share sth分享或共用某物
share sth with sb.与某人分享某物
( )All his frie nds ____ his happ in ess whe n he won the match.
A. Shared
B. Shared from
C. Shared with
13. Could I hang out with my friends after the movie?
看完电影后我能和朋友们一起闲逛吗？
【解析】ha ng out闲逛ha ng up把 . 悬挂/挂起
14. Could you pleasepass me the sa?你能把盐递给我吗？
【解析】pass⑴v给；递；走过；通过
pass sb.sth把某物递给某人
Pass on传递
Please pass the paper on to the other stude nts.
⑵ v通过；路过I pass your home.
⑶ v 通过(考试) ；及格Tom can pass his math exam.
【2013 广东中考】If Nancy __ the exam , she will go to Australia for English study.
A. pass
B. passed
C. passes
D. will pass
15. Could I borrow that book?我能借下你那本书看吗、
Could you lend me some mon ey你能借我一些钱吗？
【解析】borrow /lend/keep
("borrow 借入，与from 连用，尤指主语“【借进来”
borrow sth from sb.从某人那里借某物
You can borrow the book from the library.
(2) lend借出，与to搭配【指借出去】
lend sb sth=le nd sth to sb把某物借给某人
He doesn ' t want tend 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 didn ' t ____ it to me, because Tom had _____ i t for two days.
【宁夏中考1】You may _ the book for two weeks.
A. keep
B. borrow
C. le nd
D. buy
【湖北恩施2] —May I ___ your dictionary?
——Sorry. Li Lei __ it for five days.
A. le nd; borrowed
B. borrow; has kept
C. borrow ; has borrowed
D. le nd; has lent
【西宁中考2] Although you like the book, you may only _____ it for two weeks.
A. borrow
B. keep
C. le nd
D. stay.
16. I cut my fin ger and I 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 sth 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 one ' s best to do sth= do one ' s尽某人最大^努力做某事
①We should _________________ 最大努力)to be happy in the future.
( )② We should try __ much fruit.
A. eat
B. to eat
C. eati ng
D. eats
【2013广东中考2】—I didn ' t hear you come in just now.
—That' s good. We tried _____ any noise, for you were sleeping.
A. not make
B. not to make
C. to make
D. making
17. 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 smok ing in her room.
18. Could I ask you to help mewith some chores the n?
那我能请求你帮我做些杂活吗？
【解析】ask sb. to 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
(1)ask sb. for help向某人请求帮助
⑵ask sb. (not) to do sth请求某人做某事
ask构成的短语：
( )① If you have difficulty in lear ning En glish, you should ask your teacher or your classmates ___ h elp.
A. for
B. of
C. in
D. on
( )② The young should __ the old ___ advice at work.
A. ask; for
B. ask; to
C. ask for; /
D. asks; /
【山东德州】When you have difficulty, do remember to _ . Two heads are better tha n one.
A. make a decisi on
B. give up
C. ask for help
D. give advice
【重庆中考】Mr. Li asks the students ___ in the river, because it ' s too dangerous.
A. swim
B. to swim
C. not to swim
D. to not swim
【2013 北京中考】Our teacher often asks us ___ questions in groups.
A. discuss
B. to discuss
C. discuss ing
D. discussed
19」' Kinish 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1】finish doing sth完成某事
【2013 雅安中考】一Can you finish _ these books before 10 o ' clock?
—Yes, I can.
A. to read
B. read
C. reads
D. read ing
【解析2】while 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 菏泽中考】___ the children have fun, parents can take dance lessons on the beach.
A. Whe n
B. If
C. While
D. Once
【2013 杭州中考】Sally took a photo of her friends while they __ computer games.
A. play
B. are play ing
C. have played
D. were play ing
【解析3】help sb. with sth.在某事上帮助某人。

【注】help v帮助f 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 one ' s 在某人的帮助之下
(3) without the help of没有在…的帮助之下
① I thi nk readi ng is very _________ (help).
()② ________ your help, we couldn ' t catch the thief.
A. With
B. Under
C. For
D. Without
【2013 浙江温州2] Ann often helps me __ m ath after school.
A. for
B. with
C. on
D. by。