高考英語一輪復(fù)習(xí) Unit 3 Computers課件 新人教版必修2

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1、,必修 2 Unit 3 Computers,重點單詞,1. ________v. 計算 2. _______ adj. 普通的，通用的；宇宙的 3. _______vt. 簡化 4. _______adj. 合邏輯的；合情理的 _______adv. 合邏輯地，有條理地 5. _________n. 工藝；科技；技術(shù) ___________adj. 科技的 6. _______adj. 人造的；假的 7. __________n. 智力；聰明；智能 _________adj. 智能的；聰明的 8. _____vt. 解決；解答 9. ______n. 真實；事實

2、；現(xiàn)實 10. ______adj. 私人的；個人的；親自的 _________adv. 就個人而言；親自 _________n. 個性；人格；人物；名人,calculate universal simplify logical logically technology technological artificial intelligence intelligent solve reality personal personally personality,學(xué)生用書見P37,,重點單詞,total totally application apply applicant finance

3、mobile explore anyhow goal signal type arise electronic appearance appear character naughty,11. _____adj. 總的；整個的n.總數(shù)；合計 ______adv. 完全地；整個地 12. _________ n. 應(yīng)用；用途；申請 _____v. 應(yīng)用；申請 ________n. 申請人；求職人 13. _______n. 金融；財經(jīng) 14. _______adj. 可移動的；機動的 15. _______v. 探索；探測；探究 16. _______adv. 無論如何；即使

4、如此 17. _____n. 目標；目的；球門；（進球）得分 18. ______vi.核算;推測;估計,,calculate on/upon=depend on/upon 指望 be calculated to 打算,有的企圖 （2）calculating adj.精于計算的；謹慎的；精明的，斤斤計較個人得失的，自私的 calculation n. 計算 calculator n. 計算器,,( 1 ),（3）,,學(xué)生用書見P37,,We havent really calculated the cost of the vacation yet. 我們還沒有確切地計算出度

5、假要花多少錢。 We are calculating on having fine weather for the sports meeting. 我們指望著運動會會有好天氣。 It is impossible to calculate what influence he had on her life. 現(xiàn)在無法估計他對她的生活產(chǎn)生多大影響。 The ad.is calculated to attract children. 這條廣告是為了吸引孩子。 She is well-knoen as being very selfish and calculating. 她因十分自私和精于算

6、計而聞名。,,,,,,,anyhow adv.無論如何；即使如此 Anyhow， my goal is to provide humans with a life of high quality. （教材P18） 不管怎樣，我的目標是給人類提供高質(zhì)量的生活。,,(1) anyhow 意為“無論如何，不管怎樣，即使如此”時， 可放在句首，句中或句末，其前常有but，可與anyway互換，常用于讓步狀語從句。 (2) 表示“況且，更何況，再說，至少”時，anyhow 與anyway都用作狀語，意思的實質(zhì)是：對于前面的話作補充，給出一個更充分的、令人信服的理由。 (3) 意為“隨意地，雜亂地，無辜地

7、”講時，不能用anyway而只能用anyhow。,,I m afraid we cant come， but thanks for the invitation anyhow (anyway) 恐怕我們來不了，不過還是感謝邀請。 Its too expensive and anyhow (anyway) the color doesnt suit you. 這個太貴，而且顏色也不適合你。 The children seem to have been dragged up anyhow instead of being educated properly. 這些孩子好像是隨便拉扯大的，而不是

8、好好教養(yǎng)大的。,,,,,signal vi.起床 Then she prepares reliable moves to use if a new situation arises. （教材P23） 接著她準備好可行的步驟來應(yīng)對新情況的出現(xiàn)。,,(1)arise作“呈現(xiàn)；出現(xiàn)；發(fā)生”之意時，主語多為抽象名詞argument/problem/quarrel/question/movement等。 (2)arise from由而引起，由而產(chǎn)生；從中產(chǎn)生，意同result from。,,She arose from her chair when he entered the room. 當他進房間時

9、她從椅子上站起來。 The present difficulties in our country arise from(或out of)the increased value of its money. 我國目前的困難是貨幣升值引起的。,,,,（湖北卷）Ill describe three no-win situations that commonly arise between teens and parents. 我將要敘述三種常發(fā)生在青少年和父母之間的、對雙方都沒好處的情況。,,,as a result 結(jié)果 As a result I totally changed my shap

10、e. (教材P18) 因此，我已經(jīng)完全改變了我的形狀。,,as a result of 因為，由于 result in 結(jié)果為；導(dǎo)致 result from 因為，源自 without result 毫無結(jié)果 with the result that 因此，從而，結(jié)果是,學(xué)生用書見P39,,They didnt get enough money. As a result， they had to give up the plan. 他們沒有弄到足夠的錢，因此，只好放棄那項計劃。 As a result of the car accident， Jackson couldn

11、t work any longer. 由于車禍，杰克遜不能再工作了。 His carelessness resulted in his failure. 他的粗心導(dǎo)致他的失敗。,,,,,His failure resulted from his carelessness. 他的失敗在于他的粗心。 It is understood that the relevant departments for this issue have also been controversial, so far without result. 據(jù)了解，有關(guān)部門為這一問題也發(fā)生過爭論，至今沒有結(jié)果。 He wa

12、s late, with the result that he didnt catch the train. 他遲到了，結(jié)果沒趕上火車。,,,,,in a way 在某種程度上 In a way our programmer is like our coach. (教材P23) 從某種程度上看，我們的程序員就像是我們的教練。,,all the way 一路上； 自始至終 by the way 順便提一下 by way of 路經(jīng)；經(jīng)過；經(jīng)由 give way to sth./sb. 屈服；退讓；讓步 in a way/in one way 在某種程度上 in

13、 no way 一點也不；決不 in the/sbs way 妨礙；擋著的路 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. 給讓路；讓通過 on the way 即將來臨 on ones way to sp. 在去的路上 under way 已經(jīng)開始；在進行中,,They are travelling to France by way of London. 他們經(jīng)倫敦去法國。 Only in

14、this way can you get rid of your bad habits. 只有用這種方法你才能戒掉你的壞習(xí)慣。 In no way should you lose heart. 你決不應(yīng)該失去信心。 Dont stand in the way. Move aside and let me pass. 不要擋著路，靠邊點讓我過去。 When exploring the forest, we lost our way. 在探險這個森林時，我們迷路了。 Remember to buy some bread on your way home. 記得在你回家的路上買些面包。,,,

15、,,,,,watch over 看守；監(jiān)視 It should also watch over my naughty niece, who comes to my house very often. (教材P24) 也應(yīng)該看守經(jīng)常到我家的淘氣侄女。,,watch out (for) 當心；小心 watch for sb./sth. 觀察，等待 watch/mind ones step 小心地行走；謹慎地做事或行動 keep (a) watch (on/for/over)值班；守望；密切注意；監(jiān)視 on/off watch 在/不在值班 be under close watch 被嚴

16、密監(jiān)視,,Watch out! There is a dangerous snake ahead. 當心，前面有條危險的蛇。 When you travel around the forest, you should watch out for the poisonous animals. 行走在森林里時，你應(yīng)該當心有毒的動物。 The cat was on the wall, watching for birds. 那只貓在墻上伺機捕捉鳥兒。,,,,,“It+be/動詞+時間段+before”結(jié)構(gòu)，意為“在之后才” I developed very slowly and it took

17、nearly two hundred years before I was built as an analytical machine by Charles Babbage. (教材P18) 我發(fā)展很慢，差不多到了兩百年之后，查爾斯巴比奇才將我制成了一臺分析機。,before引導(dǎo)的時間狀語從句,意為“過一段時間后才/就”；若主句為將來時態(tài)，從句則用一般現(xiàn)在時；若主句是一般過去時態(tài)或過去完成時態(tài)，則從句用一般過去時。,1,學(xué)生用書見P40,,,（1）before 引導(dǎo)時間狀語從句時，除了譯成“在之前”之外，還可表示“還沒來得及就”,目的在于強調(diào)從句動作發(fā)生之前，主句動作已發(fā)生。 It be

18、+時間段+since引導(dǎo)的時間狀語從句，表示 “自從已經(jīng)有多長時間了”。主句用一般現(xiàn)在 時或現(xiàn)在完成時。,（2）,,It will be half a year before you graduate from the school. 再過半年你才能畢業(yè)。 It was not long before he sensed the danger of the position. 不久他就意識到他處境的危險。 It is three years since she came to our class. 她來我們班已經(jīng)有三年了。,,,,,as 引導(dǎo)的時間狀語從句 As time wen

19、t by， I was made smaller.（教材P18） 隨著時間的推移，我被弄得越來越小。,,本句中as 是連詞，引導(dǎo)時間狀語從句,意為“隨著”。,,,,,拓展延伸,,(1)as是連詞，引導(dǎo)時間狀語從句。 (2)with是介詞，后接名詞或代詞構(gòu)成with短語或with復(fù)合結(jié)構(gòu)。,,As time went on， his knowledge broadened. 隨著時間的推移，他的知識面變寬了。 As time went by， the city became more beautiful. 隨著時間的流逝，這座城市變得更美麗了。 With the time going by

20、， they became close friends. 隨著時間的流逝，他們變成了好朋友。 With the wealth of the country increasing， more waste will be produced. 隨著國家財富的增加，也產(chǎn)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） 隨著時間的推移，我的記憶能力發(fā)展得如此之快

21、，就像一頭大象一樣，從來不會忘記告訴我的任何事情！,3,,此句中so...that...意為“如此以致于”，so是副詞，后面要跟形容詞或副詞，其用法如下： 形容詞或副詞 形容詞+a(n)+單數(shù)可數(shù)名詞 many/few+復(fù)數(shù)可數(shù)名詞 much/little(少的)+不可數(shù)名詞,,,,,拓展延伸,,such+a(n)+adj.+n.+that such+adj.+不可數(shù)名詞+that such+adj.+復(fù)數(shù)名詞+that (2)當so.../such...放在句首時，主句要用部分倒裝。,so+,,,that...,,(1),,I was so tired that I we

22、nt to bed as soon as I ate the supper. 我太累了，以至于我一吃完晚飯就去睡覺了。 It was so hot a day that nobody wanted to do anything.(It was such a hot day that nobody wanted to do anything.) 天氣如此熱，誰也不想干活。 There were so many people in the street watching the fire that firefighters could not get close to the building

23、. 街上有那么多人觀看大火，以至于消防隊員無法接近大樓。 It is such lovely weather that we all want to go out for a walk. 天氣那么好，我們都想出去散步。 So fast did the teacher speak that I couldnt follow him. (The teacher spoke so fast that I could not follow him.) 那個老師說得太快，我聽不懂。,,,,,,,.品句填詞（用所給詞的恰當形式或根據(jù)語境寫一個合適的詞） 1.The wide （apply） of

24、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

25、 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,學(xué)生用書見P41,,5.At present, the artificial brain research is still at its initial period, and the methods to co

26、nstruct 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.

27、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

28、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,,.單句改錯（含詞匯和本單元的語法） 1.Have calculated the budget, we decided to give up the plan to go abroad for a travel. 【答案

29、】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 t

30、hat 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 we

31、re 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

32、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,,.課文語法填空 I began as a 1. machine in France in 1

33、642. It took nearly 200 years before I was built as an analytical machine by Charles Babbage. After I was 2. by an operator who used cards with holes, I could “think” 3. （logical） and produce an answer quicker than any person. In 1936 my real father, Alan Turing, wrote a book about how I

34、 could be made to work as a “universal machine” to 4. any difficult 5. （mathematics） problem. From then on, I grew rapidly both in size and in brainpower. As time went by, I was made smaller. First as a PC and then as a laptop, I have been used in offices and homes since the 1970s.,calculat

35、ing,programmed,logically,solve,mathematical,,Then my memory 6. , and also my shape grows smaller and smaller. In the early 1960s, they gave me a family 7. by a network. I was able to share my knowledge with others through the World Wide Web. Since the 1970s many new 8. （apply） have b

36、een found for me. I have become very important in communication, finance, trade, and even 9. （medicine） operations and space rockets. Anyhow my goal is to become a devoted friend and helper of the human race and to provide them with a life of high 10. .,improved,connected,application,medical,quality,