B2U3英语一轮复习

1、,Unit 3 Book 2 Computers,The computer is a machine _1 _was born to work for people. _2_it first came into being, it was just a calculating machine. That is to say, it can only be used to work out problems _3_ numbers. Later, it was developed to an Analytical Machine, _4_ followed simple instructions

2、 from cards with holes. This was such a great revolution in technology! A computer can “think” as human race once it is programmed with proper programs, _5_ it itself can not “think” _ 6 _ mans help, so we say a computer has artificial intelligence.,课文回顾,that,when,with,which,but,without,The computer

3、 was completely changed when it got its new transistors in the 1960s. Its size became smaller and smaller _7_ its memory became larger and larger. And thanks _8_the Internet, computers were connected to one another as a huge family_9_ an endless network. Actually, the computer could even talk to hum

4、an being _10_ (use) the language called BASIC.,课文回顾,while,to,by,using,The passage is mainly about the development of computers as well as benefits that the computers bring to peoples life. With computers, people can communicate with others from all over the world and deal with daily jobs more easily

5、.,Summary:,按Esc键退出,返回目录,1._ vt.计算_ n. 计算 n. 计算器,vt.简化 adj.简单的 adv. 简单地,3. n. (电脑)操作员 vt.操作,词汇过关,n. 智力;智能 adj.聪明的；明智的 adv.聪明地 adj. 智力的，理智的，知性的 n. 学者,calculate,calculation,calculator,simplify,simple,simply,operator,operate,operate,operation,intelligence,intelligent,intelligently,intellectual,5. n. 真实;

6、现实 adj.真实的 adv.真实地;真正地,6. adj.私人的;亲自的 adv.就个人而言;亲自 n. 人格;个性,7. adj.总的;整个的 n. 总数;合计 adv.完全地;整个地,8. vi.发生,reality,real,really,personal,personally,personality,total,total,totally,signal,signal,arise,- arose - arisen,按Esc键退出,返回目录,_ n. 类型 vt.安排;对付,7._看守;监视,短语回顾,fromon,as a result,so/suchthat,in a way,wit

7、h the help of,deal with,watch over,按Esc键退出,返回目录,补充短语： _经过 _有.共同点 _而且 _集合，聚集 _弥补，整理 _解决问题 _决心做. _充分利用,pass by,havein common,whats more,get together,make up,solve problems,be determined to,make full use of,in addition,besides,make the best / most of,按Esc键退出,返回目录,with the help of.,help sb. out,help sb.

8、 with sth.,help (to) do sth.,help oneself to,cant help doing sth.,cant help but do sth.,在的帮助下,帮助某人摆脱了困境,帮助某人某事,帮着做某事,自用(食物);擅自取用,禁不住做某事,不得不做某事;只得做某事,学以致用,1.她在家人和朋友的帮助下戒了烟。 2.我买这所房子时，我姐姐借给我一笔钱解急。 3.我不得不赞赏他的勇气。 4.当购物时，人们有时会禁不住劝说去买些实际上不需要的东西。,She stop smoking with the help of her family and friends.,Wh

9、en I bought the house, my sister helped me out with a loan.,While shopping, people sometimes cant help being persuaded into buying something they dont really need.,I cant help but admire his courage.,按Esc键退出,返回目录,as a result,as a result of,result from,result in,结果;因此(短语副词，其后常有逗号隔开),作为的结果;由于(短语介词,后可接

10、名词或代词),起因于;由于,导致;终于造成结果,1. 由于下雪他迟到了。 2.他犯了一个大错。结果丢失了工作。 3.飓风(hurricane)已经造成了成千上万的人死亡。 4.成功来自努力。,He was late as a result of the snow,He made a big mistake. As a result, he lost his job.,The hurricane has resulted in thousands of deaths.,Success results from hard work.,按Esc键退出,返回目录,by the way,in no wa

11、y,in the way,in this way,on ones way to,lose ones way,顺便提一下,一点也不;决不,挡路的;妨碍的,用这种方法,在某人去的路上,迷路,in a way,在某种程度上,Dont stand in the way. You cant solve the problem in this way. I wont tell him the truth in no way. By the way, whats the time? In a way it was one of our biggest mistakes. He stopped for bre

12、akfast on his way to school. We lost our way in the dark.,Read and translate the following sentences.,after all at all in all above all,毕竟,根本,总共,首要，最重要的,You shouldnt punish him._, he is a child. There are twelve of us _ for dinner. He failed the exam again because he didnt pay attention to his study

13、 _. Children need many things, but _, they need love.,After all,in all,at all,above all,句型积累,1.I developed very slowly and it took nearly two hundred years before I was built as an analytical machine.,模仿造句: 他花了两个小时做作业。,It took him two hours to do the homework.,Or : He spent two hours in doing the ho

14、mework.,Or : He spent two hours on the homework.,*这顿饭约花了我们200块钱。,The meal cost us about 200 yuan.,2. As time went by, I was made smaller.,as time went / goes by 可与 with time going by 互换,模仿造句: 1.随着时间的推移，孩子们慢慢地认识到自己的错误。 2.随着时间的推移，我们确信一切都会更美好。,As time went by, the children came to realize their mistake

15、s gradually.,As time goes by, we are sure that everything will be better.,3. my memory has developed so much that I never forget anything I have been told.,so.that.,such.that.,如此以致于 引导结果状语从句,_+( adj.)+不可数名词+that.,_+( adj.)+复数名词+that.,_+a/an+ adj.+单数名词+that.,_+ adj.( adv.)+that.,_+ adj.+a/an+单数名词+tha

16、t.,_+few/little(少)/many/much+n.+that.,such,such,such,so,so,so,按Esc键退出,返回目录,模仿造句: 1.我太困了，眼睛几乎睁不开了 。 2.他跑得那么快，我赶不上他 。 3.她是一位很好的老师，我们都敬爱她 *He gets up early every day so that he can catch the early bus.,I am so sleepy that I can hardly keep my eyes open.,He ran so fast that I couldnt catch up with him.,

17、She is such a good teacher that all of us love and respect her,in order that 引导目的状语从句,语篇运用,电脑是上世纪最伟大的发明。从那时起它就极大地改变了我们的生活。在某种程度上电脑可以被看做是一次科技革命因为它能够解决任何数学难题。随着时间的流逝，电脑发展得如此快速以致于几乎能够处理生活中各类问题。例如，为了探测月球和火星，科学家们利用电脑日夜监测它们。在电脑的帮助下，人类的目标将会变成现实。,Computers were the greatest invention in last century. From then on, they have changed our life greatly. In a way, computers can be considered as a technological revolution because they can solve any difficult math problems. As time goes by, com