高考英语大一轮复习 Unit 3 Computers课件 新人教版必修2

1、第 一 部 分,必修二,unit 3computers,主 干 知 识,.单词分类巧记 a阅读词汇认一认 1analytical adj._ 2logical adj._ 3artificial adj._ 4supporting adj._ 5android n_ 6spoil vt._,分析的,合逻辑的；合情理的,人造的；假的,支持的；支撑的,机器人,损坏；宠坏,b高频词汇写一写 1_adv.无论如何；即使如此 2_n真实；事实；现实 3_vi.& vt.发信号n信号 4_vi.出现；发生 5_n性格；特点 6_vt.计算 7_n目标；目的；球门；(进球)得分 8_n类型vt.& vi.打

2、字,anyhow reality signal arise character calculate goal type,c核心词汇链一链 1_n(电脑)操作员；接线员_n操作；经营_n操作；经营；手术；经营；业务 2_n智力；聪明；智能_adj.智能的；聪明的 3_adj.总的；整个的n总数；合计vt.共计；总计；把加起来_adv.完全地；整个地 4_adj.私人的；个人的；亲自的_adv.就个人而言；亲自_n个性；魅力,operator,operate,operation,intelligence,intelligent,total,totally,personal,personally,p

3、ersonality,5_n应用；用途；申请_vt.应用vi.申请_n申请人；求职者 6_n金融；财经_adj.财政的；金融的；资金的 7_vt.& vi.探索；探测；探究_n探险家；勘探者_n探索 8_n外观；外貌；出现_vi.出现 9_adj.电子的_adj.电的；发电的_adj.用电的；电的 10_vt.解决；解答_n解决办法 11_vt.简化_adj.简单的_adv.简单地,application,apply,applicant,finance,financial,explore,explorer,exploration,appearance,appear,electronic,ele

4、ctric,electrical,solve,solution,simplify,simple,simply,d写作词汇用一用 1can you say that dolphins are much more_than other animals? well, they are animals of high_and they can communicate. (intelligent) 2after the president made an official announcement, she expressed her _ opinion._speaking, i agreed with

5、 what she said.(personal) 3any_who would like to_to become an assistant in our company should send us an_before december 10, 2016.(apply),intelligent,intelligence,personal,personally,applicant,apply,application,.短语语境速记 a常考短语默写 1从起_ 2结果_ 3如此以至于_ 4下载信息_ 5在某种程度上 _ 6在的帮助下_ 7处理；涉及；对付_ 8监视；看守_,from.on,as

6、a result,so .that,download information,in a way(to some extent/to a certain degree/in some degree/in a sense),with the help of.,deal with,watch over,9有共同之处_ 10人类_ 11技术革命_ 12用这种方法；这样_ 13编造；化妆；和好_ 14一大笔钱_ 15亲自_ 16总共；一共_ 17毕竟；别忘了_,have .in common,human race,technological revolution,in this way,make up,

7、a large sum of money,in person,in total,after all,b短语语境填空 1they use specially trained dogs to_their sheep at night. 2how about his speech at the meeting? what he said was reasonable_. 3now the poor children can go to school_project hope. 4he has been ill for a long time；_， his heart is slightly dama

8、ged. 5im going to deliver a speech about how to_troubles.,watch over,in a way,with the help of,as a result,deal with,6though they are twins, they_nothing_. 7you should forgive him for his forgetfulness；_， he is over seventy. 8when i am back to school from sick leave, i will_for the missing lessons.,

9、have,in common,after all,make up,.词语高效积累 1“互联网”家族 internet n因特网network n网络 password n密码wechat n微信 database n数据库；资料库surf vi.& vt.浏览 download vt.下载connect vt.连接 2后缀“ology”高频名词一览 technology科技biology生物学 ecology生态学geology地理/质学 psychology心理学sociology社会学 physiology生理学archeology考古学,3与arise动词形式变化相似的词汇 arisea

10、rosearisen出现；起身 riseroserisen上升；起来 rideroderidden骑 writewrotewritten写 drivedrovedriven开车 4“帮助”家族 help n& vt.帮助assist vt.帮助；协助 assistance n帮助；协助aid n& vt.帮助；援助；资助 support n& vt.支持；帮助fund vt.资助 sponsor vt.赞助give/lend sb.a hand帮助,.佳句填空完形 1i developed very _(slow) and it took nearly two hundred years _

11、i was built as an analytical machine by charles babbage. 我发展得很慢，差不多两百年之后，查尔斯巴比奇才把我制成了一台分析机。 2_， i was made smaller. 随着时间的推移，我被制造得越来越小。 3but i was always so lonely _(stand) there by myself _ in the early 1960s they gave me a family _(connect) by a network. 但是我总是十分寂寞，直到20世纪60年代，人们通过互联网为我创造了一个家庭。,slowl

12、y,before,as time went by,standing,until,connected,4she programs me _ all the possible moves she has seen while _ (watch) human games. 她把观看人类比赛时所看到的一切可能的动作编入我的程序。 5after all, _ my electronic brain _ never forgets anything, using my intelligence is _ im all about! 毕竟，在我过目不忘的电子脑的帮助下，运用智能就是我的一切！,with,wa

13、tching,with the help of,which,what,.语法过关演练 1if you _ (invite) to their home, remember to bring a small gift. 解析：考查时态和语态。句意：如果你已经被邀请去他们家的话，记住带一件小礼物。根据句意以及“remember to bring a small gift”可知，此处只能用表示现在完成时的被动语态。 2festivals and celebrations of all kinds have _(hold) everywhere since ancient times. 解析：考查动词

14、时态和语态。由“since ancient times”可知，句子要用现在完成时，又因各种各样的节日和庆典应该是被举行，所以要用现在完成时的被动语态。,have been invited,been held,3in japan，all students have _(teach) how to prepare for and react to a disaster since a young age. 解析：考查时态和语态。句意：在日本，所有的学生小时候就被教会如何准备和应对灾害。根据语意以及时间状语“since a young age”可知，此处用现在完成时的被动语态。 4in the pa

15、st few centuries，the lighthouses along north carolinas coast _ (recognize) as signs of safety for travelers at sea. 解析：考查时态和语态。句意：过去的几个世纪，沿着北卡罗来纳州海岸的灯塔是海上旅行者们公认的安全标志。recognize和the lighthouses是动宾关系，故用被动语态。根据时间状语“in the past few centuries”可知，此处应用现在完成时。,been taught,have been recognized,5when she return

16、ed home，rose found her computer _ (remove) and she was very confused. 解析：考查时态和语态。分析句子成分可知，remove与computer构成逻辑上的动宾关系，应用被动语态，remove这一动作发生在returned之前，故此处应用过去完成时。,had been removed,考 点 探 究,1total adj.总的；整个的n总数；合计 归纳拓展 (1)a total of总数为 in totalin all总计；总共 (2)totally adv.完全地；整个地,高 频 单 词,即时应用 (1)补全句子。 out o

17、f_17 groups，only one group ignored the sound of the angry bees. 总共17组中，只有一组忽略了愤怒的蜜蜂的声音。 how much do you have to pay_if four of you go together? 如果你们四个一起去的话你总共需要支付多少钱？ (2)单句语法填空。 if you are not_(total)satisfied，return it at our expense. 如果您并不完全满意，可以退货，运费由我们来出。,a total of,in total/all,totally,2.goal n

18、目标；目的；球门；(进球)得分 归纳拓展 set a goal 设立目标 score/kick a goal 得一分/踢进一球 be behind/lead sb.by two goals 落后/领先某人两个球 win by three goals to one 以三比一获胜 reach/achieve/attain/accomplish ones goal 达到/实现某人的目标,即时应用 完成句子。 once youve _， youve got to work hard to achieve it. 一旦确立了目标，你就必须努力工作去实现它。 guangzhou hengda soccer

19、 won the game _. 广东亨达足球队以四比三赢得比赛。 although he _ in the 44th minute, his team was still _. 虽然他在第44分钟进了一个球，他们队仍落后两个球。,set a goal,by four goals to three,scored/kicked a goal,behind by two goals,3signal v& n发信号；发暗号；示意；信号；暗号 归纳拓展 (1)signal(to)sb.to do sth.示意某人做某事 signal(sb.)that.示意 (2)a danger/warning/tr

20、affic signal危险/警告/交通信号,辨析比较signal，symbol，sign，mark,即时应用 (1)用所给词的适当形式填空。 in order not to be heard, she pointed her finger upwards_(signal) that someone was moving about upstairs.(2015湖北高考改编) 为了不让别人听到，她竖起手指示意有人正在楼上走动。 the police signalled the driver_(stop) his car by raising his hand. 警察举手示意司机停车。,sign

21、al,stop,(2)选词填空(signal, symbol, sign, mark)。 george was responsible for the accident because he didnt give a _ to other drivers. drive straight ahead, and then you will see a _ to the hefeinanjing expressway. mandela has become a _ of the blacks fighting against the whites in south africa. youd bett

22、er make a _ where you dont understand.,signal,sign,symbol,mark,4.arise vi.出现；发生；起身；起床 归纳拓展 arise from/out of 由引起；由产生 辨析arise/arouse/rise/raise,巧学助记 形象记忆“升起”,即时应用 (1)写出下列句中arise的含义。 seeing his mother return home, the boy arose from his chair immediately. _ new problems will arise one after another in

23、 future._ they arose at sunrise to get an early start to the park._ it cant be too careful while driving.accidents often arise from carelessness. _,起身,出现,起床,产生,(2)选用上述单词完成小片段。 as we all know, the problems between parents and children have _ from lack of communication.although the standard of living

24、has been _， tom cant get along well with his mother.his mother _ the moment the sun _ in the east.she works hard day and night to support the family.as a result, she was badly ill, which _ tom eventually. 众所周知，父母与子女间的问题是由于缺乏交流而引起的。尽管生活水平提高了，但汤姆与母亲相处不好。母亲在太阳一从东方升起来就起床，她日夜辛勤工作养活家人，结果她病得很重，这最终唤醒了汤姆。,ar

25、isen,raised,arises,rises,aroused,one of the problems _ the present economic situation is that the price is _ sharply, of course, partly because some illegal businessmen _ it on purpose, which has _ some objection. 由当前经济形势产生的问题之一是价格迅速上涨，当然，部分原因是一些不法商贩故意提高价格；这种现象已经引起了一片反对之声。,arising from,rising,raise,

26、aroused,5anyhow (anyway) adv.无论如何；即使如此 辨析anyhow/somehow,即时应用 根据括号内汉语提示完成句子。 im not sure whether ill succeed in persuading her to join us._ (不管怎样), ill try my best to make it. i thought i knew the way, but _(不知怎么地) i got lost.,anyhow/anyway,somehow/someway,1as a result 结果(副词短语，不接任何词，其后常有标点) 归纳拓展 as a

27、 result of 由于结果(介词短语，接名词、代词或 ving形式) result from(接原因)起因于；由造成 result in(接结果)导致,重 点 短 语,巧学助记 越来越多的污染(原因)很多物种正在灭绝(结果) *there is more and more pollution.as a result, many species are dying out. *as a result of more and more pollution, many species are dying out. *more and more pollution has resulted in

28、many species dying out. *the fact that many species are dying out results from more and more pollution.,即时应用 完成句子。 the weather was bad；_， we had to put off our hiking. 天气不好，结果我们不得不推迟徒步旅行。 _ these problems, the population fell from 8.2 million in 1841 to 6.6 million in 1851. 由于这些问题，人口由1841年的8,200,000

29、减少到1851年的6,600,000。,as a result,as a result of,the accident _ the death of two passengers. 这起事故导致两名乘客丧生。 i think his cancer _ the overfull tiredness. 我认为他是因为过多的劳累而得了癌症。,resulted in,resulted from,2in a way在某种程度上 归纳拓展 in the way 妨碍 on the way (to) 在途中 by the way 顺便说(问) all the way一路上；自始至终；完全 in no way

30、 绝不 in this way 这样；通过这种方式 温馨提示 “在某种程度上”表达方式还有：to some extent, to a certain degree, in some degree/ways, in a sense,即时应用 完成句子。 _ i can see what you mean, even though i dont share your point of view. 尽管我和你看法不一样，但在一定程度上我是能明白你的意思的。 her social life got _ of her studies. 她的社交活动妨碍了她的学习。 _ can theory be sep

31、arated from practice. 理论决不能脱离实践。 the storm is _. 暴风雨即将来临。,in a way,in the way,in no way,on the way,3watch over 看守；监视；照看 归纳拓展 (1)watch for 盼望或等待某事物 watch out 小心(be carefultake care) watch out for(look out for)提防 watch oneself 小心谨慎 watch ones figure注意体型 (2)watch ones step当心别摔跤 keep (a) watch on监视 be o

32、n the watch for注意；小心；警惕 on/off watch在/不在值班,即时应用 完成句子。 the mother was _ her sick baby most of the time last night. 那位母亲昨天晚上大部分时间一直照看着她生病的婴儿。 the police warned holidaymakers to be _ car thieves. 警方提醒度假者提防偷车贼。 _ by guards with guns, the prisoner was taken into the police car. 在携枪警卫的监视下，这名犯人被带上了警车。,watc

33、hing over,on the watch for,watched over,4deal with处理；对付；论述；论及；与打交道，做买卖 归纳拓展 do with处理；对付；安排 handle sth.处理某事 辨析deal with/do with,即时应用 完成句子。 although serious problems still remain and need to be _， the world is a safer and healthier place. 尽管还存在着严重的问题需要解决，但是这个世界还是一个更安全、更健康的地方。 she produced six complet

34、ed novels, all of which _ the problems and limitations of womens choices. 她创作了六部完整的小说，这些作品都涉及女性选择权的问题及其局限性。,dealt with,deal with,this is a book _ asian problems. 这是一本论述亚洲问题的书。 i have no way yet as to _ to deal with such a complicated situation. 对于怎么应对这样复杂的局面，我还没有办法。 the children didnt know _ to do w

35、ith themselves as christmas drew near. 随着圣诞节临近，孩子们坐立不安了。,dealing with,how,what,5after all毕竟；到底(表示让步) 归纳拓展 in all总共；总计 first of all首先(强调次序) above all最重要的是；尤其是(强调要引起特别注意) not at all(用于否定句)一点儿也不，完全不；(问句、条件句及肯定句内表示强调)究竟,即时应用 (1)完成句子。 _ isnt accumulating memories a way of preserving the past? 归根结底，积累回忆不也

36、是一种保留过去的方式吗？ (2)用以上短语的适当形式填空 we must work, and _ we must believe in ourselves. he is certain to come._， hes already accepted the invitation. _， let me introduce myself to you. there are thirty _ in the party who will travel to lanzhou.,after all,above all,after all,first of all,in all,1.it took near

37、ly two hundred years before i was built as an analytical machine by. 差不多到了两百年之后，我才被制成了一台分析机。 本句中的before为连词，可译为“过了多长时间才”。,重 点 句 型,归纳拓展 (1)it was/took .before .(从句中用过去时态)，意为“过了多长时间才”。 (2)it will be/take .before .(从句中用一般现在时表将来时)，意为“要过多长时间才”。 (3)it is/has been一段时间since .(从句用一般过去时)，意为“自从到现在已经时间了”。,即时应用 完

38、成句子。 they walked very slowly and _ they reached their destination. 他们走得很慢，差不多两个小时后他们才到达目的地。 _ the situation came back to normal. 很多年后这种形势才恢复正常。,it took nearly two hours before,it took many years before,it will be a long time _ he comes back. 要过很长时间后他才能回来。 _ the second earthquake happened. 不久第二次地震就发生了。,before,it was not long before,2and my memory became so large that even i couldnt believe