高考英语一轮复习unit3computers课件新人教版必修

,必修 2 Unit 3 Computers,重点单词,1. _v. 计算 2. _ adj. 普通的，通用的；宇宙的 3. _vt. 简化 4. _adj. 合逻辑的；合情理的 _adv. 合逻辑地，有条理地 5. _n. 工艺；科技；技术 _adj. 科技的 6. _adj. 人造的；假的 7. _n. 智力；聪明；智能 _adj. 智能的；聪明的 8. _vt. 解决；解答 9. _n. 真实；事实；现实 10. _adj. 私人的；个人的；亲自的 _adv. 就个人而言；亲自 _n. 个性；人格；人物；名人,calculate universal simplify logical logically technology technological artificial intelligence intelligent solve reality personal personally personality,学生用书见P37,重点单词,total totally application apply applicant finance mobile explore anyhow goal signal type arise electronic appearance appear character naughty,11. _adj. 总的；整个的n.总数；合计 _adv. 完全地；整个地 12. _ n. 应用；用途；申请 _v. 应用；申请 _n. 申请人；求职人 13. _n. 金融；财经 14. _adj. 可移动的；机动的 15. _v. 探索；探测；探究 16. _adv. 无论如何；即使如此 17. _n. 目标；目的；球门；（进球）得分 18. _vi.& vt. 发信号n.信号 19. _n. 类型v.打字 20. _vi. 出现；发生 21. _ adj. 电子的 22. _n. 外观；外貌；出现 _vi. 出现 23. _ n. 性格；特点 24. adj. 顽皮的；淘气的,重点短语,put.in order from.on as a result go by so.that. in a way make up with the help of deal with watch over,1. _ 整理；使条理清楚、有序 2. _ 从时起 3. _ 结果 4. _ 时光流逝；顺便拜访 5. _ 如此以致于 6. _ 在某种程度上 7. _ 弥补；打扮；编造；构成 8. _ 在的帮助下 9. _ 处理；安排；对付 10. _ 看守；监视,1.“It+be/动词+时间段+before”结构，意为“在之后才” I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage.(教材P18) 2.as 引导的时间状语从句 As time went by, I was made smaller. (教材P18) 3.so.that.如此以致于 Over time my memory has developed so much that, like an elephant, I never forget anything I have been told. (教材P18),重点句型,现在完成时的被动语态的结构和用法 First as a PC and then as a laptop, I have been used in offices and homes since the 1970s. (教材P18) I have also been put into robots and used to make mobile phones as well as help with medical operations. (教材P18),语法要点,calculate v. 计算;核算;推测;估计,calculate on/upon=depend on/upon 指望 be calculated to 打算,有的企图 （2）calculating adj.精于计算的；谨慎的；精明的，斤斤计较个人得失的，自私的 calculation n. 计算 calculator n. 计算器,( 1 ),（3）,学生用书见P37,We havent really calculated the cost of the vacation yet. 我们还没有确切地计算出度假要花多少钱。 We are calculating on having fine weather for the sports meeting. 我们指望着运动会会有好天气。 It is impossible to calculate what influence he had on her life. 现在无法估计他对她的生活产生多大影响。 The ad.is calculated to attract children. 这条广告是为了吸引孩子。 She is well-knoen as being very selfish and calculating. 她因十分自私和精于算计而闻名。,anyhow adv.无论如何；即使如此 Anyhow， my goal is to provide humans with a life of high quality. （教材P18） 不管怎样，我的目标是给人类提供高质量的生活。,(1) anyhow 意为“无论如何，不管怎样，即使如此”时， 可放在句首，句中或句末，其前常有but，可与anyway互换，常用于让步状语从句。 (2) 表示“况且，更何况，再说，至少”时，anyhow 与anyway都用作状语，意思的实质是：对于前面的话作补充，给出一个更充分的、令人信服的理由。 (3) 意为“随意地，杂乱地，无辜地”讲时，不能用anyway而只能用anyhow。,I m afraid we cant come， but thanks for the invitation anyhow (anyway) 恐怕我们来不了，不过还是感谢邀请。 Its too expensive and anyhow (anyway) the color doesnt suit you. 这个太贵，而且颜色也不适合你。 The children seem to have been dragged up anyhow instead of being educated properly. 这些孩子好像是随便拉扯大的，而不是好好教养大的。,signal vi.& vt.发信号 n.信号 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 good shot for a goal. （教材P23） 例如，当我前面没人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。,signal (to) sb.to do sth. 示意某人做某事 signal to sb. 向某人示意 signal (sb.) that 示意,Rapid breathing is a danger signal and you should call your doctor. 呼吸急促是个危险的征兆，该去请你的医生了。 We signalled the taxi driver to pull over. 我们招呼出租车司机把车开过来。 He signalled that it was time to leave. 他示意该走了。,arise vi.出现；发生；起身;起床 Then she prepares reliable moves to use if a new situation arises. （教材P23） 接着她准备好可行的步骤来应对新情况的出现。,(1)arise作“呈现；出现；发生”之意时，主语多为抽象名词argument/problem/quarrel/question/movement等。 (2)arise from由而引起，由而产生；从中产生，意同result from。,She arose from her chair when he entered the room. 当他进房间时她从椅子上站起来。 The present difficulties in our country arise from(或out of)the increased value of its money. 我国目前的困难是货币升值引起的。,（湖北卷）Ill describe three no-win situations that commonly arise between teens and parents. 我将要叙述三种常发生在青少年和父母之间的、对双方都没好处的情况。,as a result 结果 As a result I totally changed my shape. (教材P18) 因此，我已经完全改变了我的形状。,as a result of 因为，由于 result in 结果为；导致 result from 因为，源自 without result 毫无结果 with the result that 因此，从而，结果是,学生用书见P39,They didnt get enough money. As a result， they had to give up the plan. 他们没有弄到足够的钱，因此，只好放弃那项计划。 As a result of the car accident， Jackson couldnt work any longer. 由于车祸，杰克逊不能再工作了。 His carelessness resulted in his failure. 他的粗心导致他的失败。,His failure resulted from his carelessness. 他的失败在于他的粗心。 It is understood that the relevant departments for this issue have also been controversial, so far without result. 据了解，有关部门为这一问题也发生过争论，至今没有结果。 He was late, with the result that he didnt catch the train. 他迟到了，结果没赶上火车。,in a way 在某种程度上 In a way our programmer is like our coach. (教材P23) 从某种程度上看，我们的程序员就像是我们的教练。,all the way 一路上； 自始至终 by the way 顺便提一下 by way of 路经；经过；经由 give way to sth./sb. 屈服；退让；让步 in a way/in one way 在某种程度上 in no way 一点也不；决不 in the/sbs way 妨碍；挡着的路 lose ones way 迷路；迷失方向 make ones way (to/towards)sth. 去；前往；到地方去 make way for sb./sth. 给让路；让通过 on the way 即将来临 on ones way to sp. 在去的路上 under way 已经开始；在进行中,They are travelling to France by way of London. 他们经伦敦去法国。 Only in this way can you get rid of your bad habits. 只有用这种方法你才能戒掉你的坏习惯。 In no way should you lose heart. 你决不应该失去信心。 Dont stand in the way. Move aside and let me pass. 不要挡着路，靠边点让我过去。 When exploring the forest, we lost our way. 在探险这个森林时，我们迷路了。 Remember to buy some bread on your way home. 记得在你回家的路上买些面包。,watch over 看守；监视 It should also watch over my naughty niece, who comes to my house very often. (教材P24) 也应该看守经常到我家的淘气侄女。,watch out (for) 当心；小心 watch for sb./sth. 观察，等待 watch/mind ones step 小心地行走；谨慎地做事或行动 keep (a) watch (on/for/over)值班；守望；密切注意；监视 on/off watch 在/不在值班 be under close watch 被严密监视,Watch out! There is a dangerous snake ahead. 当心，前面有条危险的蛇。 When you travel around the forest, you should watch out for the poisonous animals. 行走在森林里时，你应该当心有毒的动物。 The cat was on the wall, watching for birds. 那只猫在墙上伺机捕捉鸟儿。,“It+be/动词+时间段+before”结构，意为“在之后才” I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage. (教材P18) 我发展很慢，差不多到了两百年之后，查尔斯巴比奇才将我制成了一台分析机。,before引导的时间状语从句,意为“过一段时间后才/就”；若主句为将来时态，从句则用一般现在时；若主句是一般过去时态或过去完成时态，则从句用一般过去时。,1,学生用书见P40,（1）before 引导时间状语从句时，除了译成“在之前”之外，还可表示“还没来得及就”,目的在于强调从句动作发生之前，主句动作已发生。 It be+时间段+since引导的时间状语从句，表示 “自从已经有多长时间了”。主句用一般现在 时或现在完成时。,（2）,It will be half a year before you graduate from the school. 再过半年你才能毕业。 It was not long before he sensed the danger of the position. 不久他就意识到他处境的危险。 It is three years since she came to our class. 她来我们班已经有三年了。,as 引导的时间状语从句 As time went by， I was made smaller.（教材P18） 随着时间的推移，我被弄得越来越小。,本句中as 是连词，引导时间状语从句,意为“随着”。,拓展延伸,(1)as是连词，引导时间状语从句。 (2)with是介词，后接名词或代词构成with短语或with复合结构。,As time went on， his knowledge broadened. 随着时间的推移，他的知识面变宽了。 As time went by， the city became more beautiful. 随着时间的流逝，这座城市变得更美丽了。 With the time going by， they became close friends. 随着时间的流逝，他们变成了好朋友。 With the wealth of the country increasing， more waste will be produced. 随着国家财富的增加，也产生了更多的垃圾。,so.that.如此以致于 Over time my memory has developed so much that, like an elephant, I never forget anything I have been told.（教材P18） 随着时间的推移，我的记忆能力发展得如此之快，就像一头大象一样，从来不会忘记告诉我的任何事情！,3,此句中so.that.意为“如此以致于”，so是副词，后面要跟形容词或副词，其用法如下： 形容词或副词 形容词+a(n)+单数可数名词 many/few+复数可数名词 much/little(少的)+不可数名词,拓展延伸,such+a(n)+adj.+n.+that such+adj.+不可数名词+that such+adj.+复数名词+that (2)当so./such.放在句首时，主句要用部分倒装。,so+,that.,(1),I was so tired that I went to bed as soon as I ate the supper. 我太累了，以至于我一吃完晚饭就去睡觉了。 It was so hot a day that nobody wanted to do anything.(It was such a hot day that nobody wanted to do anything.) 天气如此热，谁也不想干活。 There were so many people in the street watching the fire that firefighters could not get close to the building. 街上有那么多人观看大火，以至于消防队员无法接近大楼。 It is such lovely weather that we all want to go out for a walk. 天气那么好，我们都想出去散步。 So fast did the teacher speak that I couldnt follow him. (The teacher spoke so fast that I could not follow him.) 那个老师说得太快，我听不懂。,.品句填词（用所给词的恰当形式或根据语境写一个合适的词） 1.The wide （apply） of electronic computers in science and technology will free men from the labour of complicated measurement and computation. 【答案】1.application 2.There is another kind of beauty that has nothing to do with (appear), but comes from the heart. 【答案】 2.appearance 3.If it is not dealt , then the emotional scars that it leaves behind, in most cases, will become lifelong. 【答案】 3.with 4.If computers had not been invented, many problems on space flight could not (solve). 【答案】 4.have been solved,学生用书见P41,5.At present, the artificial brain research is still at its initial period, and the methods to construct artificial brain (explore). 【答案】5.are being explored 6. (simplify) your life means being able to say NO to filling up every moment of every day! 【答案】6.Simplifying 7.She and Sue remained awake most of the night, (watch) over the children, and only slept for a couple of hours. 【答案】7.watching,8.The use of the tree logo is a (universal) recognizable symbol which represents many things, some of which are life, wisdom, strength, protection and abundance. 【答案】8.universally the help of the telephone, people can keep in touch with anyone at any time and in any place for urgent help. 【答案】9.With 10.Oddly enough, nobody seems to see the connection between the low-fat we have been eating and the many health problems which (arise) since the 1950s. 【答案】 10.have arisen,.单句改错（含词汇和本单元的语法） 1.Have calculated the budget, we decided to give up the plan to go abroad for a travel. 【答案】HaveHaving 2.It is well known to us all that hard work will surely result success. So just keep on trying, and you will achieve your goal one day. 【答案】在result后加上in 3.The young man sent me such beautiful flowers as I found it difficult to refuse his invitation. 【答案】asthat,4.There is little chance that we will manage to change the law, but weve decided to have a try somehow. 【答案】somehowanyhow 5.As for my papers, my English teacher referred me to Chapter 3, for the problem was fully dealt in it. 【答案】在dealt后加上with 6.Ive grown up. So I hate it when I am always watched over by my mother as if I were a child. 【答案】watchedbeing watched 7.The rainy weather helped me in way, which gave me a good excuse not to go to their party. 【答案】在way前加上a,8.With many problems arisen, I felt at a loss where to start, so I had to turn to Mr. Wang for help. 【答案】arisenarising 9.I cant wait to express my thanks to the young porter, with his help I have got my luggage and especially my student visa back. 【答案】hiswhose 10.With the development of medical science, more and more treatment methods on cancer have discovered in the past years. 【答案】在discovered前加上been,.课文语法填空 I began as a 1. machine