2020版高考英语大一轮复习Unit3Computers课件新人教版必修2.ppt

1、Book 2 Unit 3 Computers,1.anyhow adv.无论如何;即使如此 教材原句 Anyhow (无论如何), my goal is to provide humans with a life of high quality.,重点单词,选词填空(anyhow/somehow/somewhat) We will help him break away from the habit of smoking somehow . When hearing the news, I felt somewhat surprised as a matter of fact. I am o

2、ccupied with my work at present, but I will lend a hand to youanyhow .,点拨 (1)anyway adv.而且;尽管;至少 (2)somehow adv.用某种方法;不知怎么地 (3)somewhat adv.有点;有几分,2.signal vi.& vt.发信号n.信号 教材原句 For example, I have learned to signal to my teammates in computer language to give me the ball when I am open and have a go

3、od shot for a goal.例如,当我前面没有防守,有机会射一个好球的时候,我已经学会了 用计算机语言向队友示意把球传给我。,单句填空 The police signalled the driver to stop (stop) his car by raising his hand. A man stood up and crossed his arms over his head, signalling (sig- nal) that he was strongly opposed. Ranis friendlinessher warm smile, her nods, her

4、Im here for you attitudewere all silent signals (signal) that didnt travel through wires. (2016课标全国),完成句子 为了不被别人听到,她手指向上指,示意有人正在楼上走动。 In order not to be heard, she pointed her finger upwards to signal that someone was moving about upstairs.,点拨 (1)signal (to) sb. to do sth.示意某人做某事 signal that.示意 sign

5、al+wh-从句 示意 (2)a danger/warning/distress signal危险/警告/求救信号 detect/pick up signals探测到/收到信号 give out a signal(to sb.)(向某人)发出信号,3.arise vi.出现;发生;产生;起身;起床 教材原句 Then she prepares reliable moves to use if a new situation arises (arise).然后她把在新情况下能用得上的可靠动作准备好。,写出下列各句中arise的含义 Seeing his mother return, the bo

6、y arose from his chair immediately.起身 New problems will arise one after another in future. 出现 They arose at sunrise to get an early bus. 起床 Accidents often arise from carelessness. 产生,用arise,rise,raise,arouse的适当形式填空Generally speaking, the problems between parents and children often arise from lack o

7、f communication. Although living standards have been raised , many children cant get along well with their parents. In order to support the family, parents have to rise/arise early in the morning to go to work. Maybe childrens motivation for studying hard will be aroused when they realize the hardsh

8、ip their parents have suf- fered.,点拨 (1)arise意为“呈现;出现;发生”时,主语多为抽象名词argument/problem /quarrel/question/movement等,多指不好的事情发生。 (2)arise from/out of.由引起;由产生 辨析,1.as a result 结果 教材原句 As a result I totally changed my shape. 单句改错 Some experts think our memory will become poor as result of the Inter- net. 在r

9、esult前加a There is no doubt that his laziness resulted from his failure. fromin,重点短语,同义句转换 His diet is unhealthy. As a result, he is ill. He is ill as a result of/because of/on account of his unhealthy diet. His illness results from his unhealthy diet. His unhealthy diet results in/leads to his illne

10、ss. 完成句子 结果,人们会吃更多的食物来试图弥补失去的东西。(2017课标全国) As a result , people will eat more food to try to make up for that something missing.,点拨 (1)as a result/consequence因此,所以,结果 as a result of由于;作为的结果 without result毫无结果 (2)result from由引起;result in导致;结果 助记,联想,1.表示“由于”的其他介词短语:because of, thanks to, due to, owing

11、 to, on account of。,2.表示“在于”的动词短语:result from,lie in, consist in。,2.in a way 在某种程度上 教材原句 In a way our programmer is like our coach.某种程度上,我们的程 序员就像我们的教练。,用含way的短语填空 Mrs. Smith finds it hard to clear up the mess, as her children are always in the way whenever she tries. In no way should you lose heart

12、 when you are faced with difficul- ties. She didnt speak a word to me on the way back home. In a way , it is a good thing that I did not get the post I had applied for, though I must admit that I was disappointed at that time.,同义句转换 I will never throw rubbish at random. In no way will I throw rubbis

13、h at random. (用in no way放于句首改写),点拨 in the way挡道;碍事 in no way决不(位于句首时,句子应使用部分倒装) all the way一路上;自始至终;完全地 by the way顺便说一下 by way of经由;途经 on the way在途中 on ones way to.在某人去的途中 give way (to.)(为)让步,屈服(于),3.deal with 处理;解决;对付;应付;论及;涉及;与打交道、做买卖 教材原句 This means that it should clean the house, mop the floors,

14、 cook the din- ner and deal with telephone calls. 单句填空 Interruptions are one of the worst things to deal (deal) with while youre trying to get work done. (2017课标全国) How should you deal with the problem caused by an offensive email? (2017天津),写作微练 我最喜欢的中国历史人物是司马迁,他让我明白了在面对挑战的时候 如何应对。 My favorite figur

15、e in Chinese history is Sima Qian, who makes me un- derstand how to deal with challenges when I am faced with them.,点拨 (1)deal in经营;买卖 (2)make a deal达成协议;做成一笔交易 Its a deal!就这么办吧! 点津 do with要与what连用,而deal with要与how连用。,1.as引导时间状语从句 教材原句 As time went (go) by, I was made smaller. 单句填空 With the countrys

16、wealth increasing (increase), more waste will be produced. As the worlds population continue(s) (continue) to grow, the supply of food becomes more and more of a concern.,重点句型,完成句子 由于老师的表扬,随着时间的推移,我变得越来越自信了。As time went by , I became more and more confident as a result of the teachers praise. 同义句转换

17、With time going by, I became more and more confident as a result of the teachers praise. (用with的复合结构改写),点拨 (1)as表“随着”时为连词,引导时间状语从句。 (2)with表“随着,由于”时是介词,后常接名词(短语)构成with短语或接 复合宾语构成with复合结构。,2.so.that.句型 教材原句 And my memory became so large that even I couldnt believe it!,单句填空 There are so many spelling

18、mistakes in your composition that I cant understand what you are writing about. They are such little birds that we cant see them in the sky. These are such large shoes that I cant wear them. It was such good weather that we decided to go out for a walk. He was so excited that he could not speak.,单句改

19、错 He was too weak that he couldnt walk. tooso They made so rapid progress that they did well in the midterm examina- tion. sosuch 同义句转换 He is such a polite boy that everyone likes him. He is so polite a boy that everyone likes him. (so.that.) The teacher spoke so fast that I couldnt follow him. So f

20、ast did the teacher speak that I couldnt follow him. (使用倒装句),点拨 so.that.意为“如此以至于”,that引导结果状语从句。 点津 so.that.句型的常见形式: so+adj./adv.+that. so+adj.+a/an+单数可数名词+that. so+many/few/much/little+n.+that.,联想 such.that.句型的基本结构: such+a/an+adj.+单数可数名词+that. such+adj.+复数名词/不可数名词+that. 温馨提示 在so/such.that.句型中,当so/such.放在句首时,主句用部分倒装。,