人教版 英语必修2Unit3 Computers language-points 课件(共36张PPT)

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名称 人教版 英语必修2Unit3 Computers language-points 课件(共36张PPT)
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更新时间 2019-05-23 18:53:38

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课件36张PPT。Unit 3
Computers TIPSSome words on the Internet:
1. Our homework has been finished by us.
2. The Great Wall has been visited by many visitors.
3.Two films have been seen by Mike since last month.
4. These palace have been turned into museums.
Grammar:Have/ has been Ved 现在完成时的被动语态1.The new bridge over the Yellow River has just been completed.
2.Many more buildings have been built in the past ten years.表示到现在为止已经完成的某个被动的动作1.被动语态介词固定搭配不能省略。
He has thought of a way of solving the problem.
Eg.The accident which happened yesterday surprised me.=A way of solving the problem has been thought of.2.break out/ happen/ take place/ arrive/ become/ die/ disappear etc 不及物动词没有被动语态3.带双宾语的动词give /send/bring/ take/teach/show/ tell/ make/ sing/ write/ sell/buy/ ask/ pay/ borrow/ lend/ hand/ offer/provide/ past/get/promise 变被动语态有两种方法:(2)=The book has been given to him.(1)=He has been given the book.Eg.I have given him the book. (2) =We have been offered the most comfortable service by him.He has offered us the most comfortable service.(1) =The most comfortable service has been offered to us by him.Change the following sentences into the present perfect passive voice. Put the verbs into the correct form.We have bought a new personal computer.
2.We have found many problems with our new computer.A new personal computer has been bought by us.Many problems have been found with our new computer by us.3. They have built a PC the way we wanted.
4. They have just joined our computer to the Internet.
5. We have used the computer every day since we bought it.
6. We have written a lot of e-mails on the computer in the past year.A PC has been built the way we wanted by them.Our computer has been joined to the Internet by them.The computer has been used every day since we bought it.A lot of e-mails have been written on the computer in the past year.(2004高考 江苏卷) More patients _________in hospital this year than last year.
treated B. had treated
C. had been treated D.have been treated
2. (2004 高考 北京卷)The mayor of Beijing says that all construction work for the Beijing Olympics __________ by 2006.
has been completed B. has completed C. will have been completed D. will have completed D高考链接C3. (2004高考 广西卷)---- The window is dirty.
---- I know. It ________ for weeks.
hasn’t cleaned B. didn’t clean C. wasn’t cleaned D. hasn’t been cleaned
4.(2004高考 湖北卷)--- George and Lucy got married . Did you go to their wedding?
--- No, I ___________. Did they have a big wedding?
A. was not invited B. have not been invited C. hadn’t been invited D. didn’t inviteDc1.common 常见的;寻常的;普通的;非特异的;共同的;公共的;低俗的
常用短语:
和……有(没有)共同点
have something ( nothing / little ) in common with …
和……一起;象……一样
in common with …
常理;情理 ,常识
common sense
公共利益
common interests
普通知识
common knowledge
in common : for or by all of a group 共同的; 共有的 the land owned in common by the residents 居民共有的土地In common 常常同have连用,如:
have nothing in common
have little in common
have something in common 
have a lot in common无共同之处几乎无共同之处有一些共同之处 有许多共同之处2.simple-minded:showing very little intelligence 头脑 简单的;笨的。Richard is smart but__________________________________.心不在焉的
虚心的,没有偏见的
心胸狭窄的
意志坚强的
低能的,愚蠢的里查德很聪明但他有许多头脑简单的朋友。he has a lot of simple-minded friends.absent-mindedopen-mindednarrow-mindedstrong-mindedweak-minded3.go by
(1)pass 经过,过去
① 时间慢慢过去。
② 勿失此良机。Time went by slowly.Don’t let this opportunity go by.根据交通规则判断,司机应该被罚。_____________________, the driver should be punished. (2) judge by 依据……做判断Going by the traffic rule与go有关的短语:
1)go___after____ (追求)
2) go __against__ (反对)
3) go _over_____( 检查,复习)
4)go ____out___ ( 熄灭)
5) go __through__(遭受,经历)
6) go in for (从事,爱好)
随堂练习:
1)__Going by her accent _________________ (根据她的口音),she must be from Shandong.
2)__As time passed by/ With time passing by( 随着时间的推移), she became more and more anxious about her son’s safety.4. anyway 无论如何,总之,反正Anyway it’s worth trying. 不管怎样,这事值得一试。也许会下雨,但我们无论如何都要去。It may rain, but we’ll go anyway.5.deal with
我现在要处理这个问题。你们打算怎样处理本地区的水污染问题呢?How are you going to deal with the water pollution of this area?I will deal with the problem now.(1)处理,安排(2)和……打交道,对付,收拾That man is easy to deal with.那个人很容易对付。(或打交道很容易)(3)论述,谈(某问题)These novels do not deal with reality.这些小说没谈及现实问题。(1)n. process of being born, coming into the world 出生,出世,诞生他出身低微。He is___________.他虽然生在法国,但父母是英国人。He is British________ though he was born in France.那婴儿生下来就有七磅重。The baby weighed 7 pounds__________.6.birthat birthby birthof no birthgive birth to & be born
她生于1968年。She was born in 1968.be born 则表示“出生”她生了五个小孩。She gave birth to five children.give birth to 意为“生产,生下”,有时也作“使……诞生”解7.sound 系动词,听起来……注意:sound, look, smell, feel , taste 为系动词,后面可跟形容词、名词、介词短语作为其表语。系动词不能用于被动语态。你说的话听起来有道理。What you said sounds reasonable. 听起来像直升飞机的声音。That sounds like a helicopter. sound like “听起来像” like 为介词,其后跟名词、代词或动名词It sounds as though/as if:音乐听起来多美啊!How sweet the music sounds!听起来似乎政府不知怎样做It sounds as though/if the government don’t know that to do. 8. No one could recognize me after I got my new transistors in the 1960s. 20世纪60年代我有了新的晶体管之后,就没有人能认出我来了。
从走路的姿势你可以认出他来。You’ll recognize him____________.recognize
(1)vt. be able to identify again sb./sth. that one has seen, heard, etc.认出,听出by his walk(2)vt. be willing to accept sb./sth. as what he or it claims to be or has been in the past 承认,认可
他们拒绝承认新政府。They refuse to recognize the new government.9.Then in 1822 I was built as an Analytical Machine by Charles Babbage.
后来到1822年,查尔斯.巴比奇把我制成了一架分析机。
Analytical Machine分析机Analytical
(1) adj. using analysis, of analysis 分析的,用分析法的[联想]
(派) analyse [‘?n?laiz] (vt.) 分析
analysis [?'n?l?sis] (n.) 分析
analytical [?n?‘litik] (adj.) 分析的
analytically (adv.) 分析地
analyst ['?n?list] (n.) 分析家
depart (vi.)-----departure( n.)
similar( adj.) ---similarity (n.)
discuss (vt.)-----discussion (n.)10.However, people thought I was simple-minded until they discovered I had “artificial intelligence”.可是人们认为我头脑简单,直到发现我有人工智能时,他们才不这么想了。
(1)adv. in whatever way or degree 无论如何,however 作为副词单独使用而不引导从句时,意为“然而”“不过”,在句中的位置非常灵活,可置于句首、句中或句末,常用逗号将however与句子隔开However她非常努力,(尽管如此)然而她没有成功。She worked hard. However, she wasn’t successful.然而他弄错了He was mistaken, however.然而,这个问题还有它的另一面。There is, however, another side to this problem.(2)引导让步状语从句时,表示“无论如何”“不管怎样”,相当于no matter how, 后接adj.或adv.
无论多热,他也不会脱掉外套。However hot it is, he will not take off his coat.11.as 作为
As the years went by 当,,时候(表伴随)
= With the years going byAs students, we must make good use of time.He served as a servant in a five-star hotel.作为学生,我们必须利用好时间。他在一家五星级酒店里当一名服务员。13. With 具有;有着, 表示伴随
The man______________ is my brother.China is a country_______________________.with a long historywith thick hair中国是一个有着悠久历史的国家。那个有着浓密头发的男人是我的哥哥。接动名词的动词有:enjoy/ finish/ practise/ consider/ miss/ admit /can’t help doing When he heard the sad news, he couldn’t help crying.When I am free, I enjoy listening to the light music.14.love doing当我有空的时候,我喜欢听轻音乐。当他听到这个悲伤的消息,他情不自禁地看了。15. advantage n. 【C】用利条件,优势,长处;【U】利益,好处
常用短语:
充分利用
take advantage of make use of make the most of
占(获得)优势
have / gain / win an advantage over
对某人有利
to one’s advantage / be of advantage to …
有……的优势
have an advantage in
16. make up
1) The boy made up a story ; it was not true. ( 编造,虚构 )
2) We still need $50 to make up the sum we asked for. ( 补足 )
3) She made up her face to look prettier. ( 化妆;化装 )
4) In Britain today women made up 44% of the workforce, and nearly half the mothers with children are in paid work. ( 组成 )
相关短语:
1)决定,下决心 make up one’s mind
2) 整理床铺 make up a bed
3)弥补、赔偿损失 make up for the loss
4) 由……组成be made of
The End!