高一英语同步精品课件：UNIT3 COMPUTERS - LEANING ABOUT LANGUAGE（新人教版必修2）.ppt

1、Unit 3 Computers人教版英语Unit 3 Computers人教版英语Unit 3 Computers人教版英语.词汇过关1_vt.下载_vt.上传2_n.病毒3programmer n_4network n._5explore v._6reality n_答案：1.download;upload2.virus3.程序员4.网络 5探索 6.现实；事实Unit 3 Computers人教版英语.短语自查1实际上_2实现_3上大学_4make sure_5connect.with_6make good use of_7develop a special interest in._8

2、give.away_Unit 3 Computers人教版英语答案：1.in e true3.go to university4.确保5.把连到上6.充分利用7.对产生浓厚的兴趣 8.赠送；捐赠Unit 3 Computers人教版英语.语法练习用所给动词的适当形式填空。1Mary_(not tell)about the matter yet.2Since the work_(do),lets take a rest.3 Great changes_(takeplace)inmy hometown since 2000.4The tickets_(already sell)out.You wo

3、nt get one if you want.5 _the program_(develop)yet?If not,youd better get it ready as soon as possible.Unit 3 Computers人教版英语答案：1.has not been told2.has been done3.have taken place(take place为不及物动词短语，无被动语态)4.have already been sold5.Has;been developedUnit 3 Computers人教版英语Unit 3 Computers人教版英语.单词突破inte

4、lligent(adj.)1)有才智的；悟性强的；聪明的Someone as intelligent as you should go far.像你这样聪明的人一定很有作为。2)(动物、生物等)有智力的，有理解和学习能力的Maybe the earth has been visited by intelligent creatures from outer space.也许太空的智慧生物已经访问过地球。3)(计算机、程序等)智能的KV2008 is an intelligent software.KV2008是一款智能软件。Unit 3 Computers人教版英语词语辨析intelligen

5、t,smart，bright,clever,wise这些形容词均含有“聪明的”之意。1)intelligent 正式用词，指在理解新的、抽象东西或处理、解决问题时，智力超过一般人。He is an intelligent boy,but he is very unsure of himself.他是个聪明的孩子，却对自己很没有信心。2)smart 普通用词，与bright和clever的意思很相近，但更强调机灵。He is smart and can take care of himself.他很精明可以照顾他自己。Unit 3 Computers人教版英语3)bright 口语常用词，多指年

6、轻人，尤指小孩思路敏捷、理解力强、机灵等。He is full of bright ideas.他足智多谋。4)clever 强调头脑灵活，接受新事物快，反应迅速，适应性强，有智有谋，但不一定暗示全面妥当地考虑问题。She knew him to be industrious and clever.她知道他既勤奋又聪明。Unit 3 Computers人教版英语5)wise 侧重不是一般的聪明伶俐，而是有远见、有智慧，能明智地处理问题。You are wise not to join the club.你不加入俱乐部是明智的。Unit 3 Computers人教版英语牛刀小试(1)Man ca

7、n be incredibly_at the point of danger.AsmartBwiseCbright Dintelligent答案：D 题意：人类在危险时就会异常机智。Unit 3 Computers人教版英语(2)It was not very_of you to sell the property.Asmart BwiseCbright Dintelligent答案：D题意：你把物业卖了可不是办法。Unit 3 Computers人教版英语.短语精讲give awaya)give sth.away1)赠送；捐赠He gave away most of his money to

8、 floodstricken area.他把他的大部分钱都捐赠到了灾区。2)颁发；分发The mayor gave away the prizes at the school sports day.市长在学校运动会那天颁发了奖项。Unit 3 Computers人教版英语3)失去；丧失；错失(优势)Theyve given away two goals already.他们已白送给对手两分了。b)give sth./sb.away 泄露；暴露She gave away states secrets to the enemy.她把国家机密泄露给了敌人。His voice gave him awa

9、y.他的声音使他露馅了。Unit 3 Computers人教版英语知识拓展1)give in(to)(向)屈服；让步2)give up 放弃；投降；认输3)give off 发出(气体、光、热等)4)give out 分发；耗尽；广播Unit 3 Computers人教版英语牛刀小试(1)(2008江西，29)If a person has not had enough sleep,his accent will give him_during the day.Aaway BupCin Dback答案：A考查give的短语。题意：如果一个人没有休息好，那么白天他的说话腔调就会让他露出马脚。由句

10、意知，选A。Unit 3 Computers人教版英语(2)(2009安徽，33)We tried to find a table for seven，but they were all_.Agiven away Bkept awayCtaken up Dused up答案：C考查了动词短语的辨析。题意为“我尽力想找一张供七个人用的桌子，但他们全部被占了”。take up意为“占去，占用”；give away意为“赠送；泄露”；keep away意为“(使)远离”；use up意为“用完，用光”。Unit 3 Computers人教版英语.语法专区现在完成时的被动语态1现在完成时的被动语态的构

11、成：1)现在完成时的被动语态的肯定式：由“have/hasbeen及物动词的过去分词”构成。Two windows have been broken.两个窗子被打破了。Her motorbike has been stolen.她的摩托车被盗了。Unit 3 Computers人教版英语2)现在完成时的被动语态的否定式：由“have/has notbeen 及物动词的过去分词”构成。The car has not been repaired.这辆汽车还没有修好。All the offices have not been linked by computer.并不是所有的售票处都由计算机联网工作

12、。Unit 3 Computers人教版英语3)现在完成时的被动语态的一般疑问式：由“Have/Has主语been及物动词的过去分词”构成。Has it been built in the middle of the park?它被建在公园中心了吗？Have they been sent abroad to study English?他们已经被派往国外学英语了吗？Unit 3 Computers人教版英语4)现在完成时的被动语态的特殊疑问式：由“疑问词have/has主语been及物动词的过去分词”构成。Who has been helped by the new computer?谁已经得

13、到了这台新计算机的帮助？Where has the car been repaired?这辆小汽车已经在哪里修理好了？Unit 3 Computers人教版英语2现在完成时的被动语态的主要用法：1)表示被动的动作发生在说话之前(即现在的过去)，强调对现在造成的影响或结果。The door has been locked.门被锁上了。(结果是现在没有人能进去)2)表示一个被动的动作或状态开始于过去，持续到现在，并有可能持续下去，常与for或since引导的时间状语连用，或用于How long.？句型中。They have been told about it for many times.有人告

14、诉他们这事很多次了。(可能还会有人告诉他们)Unit 3 Computers人教版英语3使用现在完成时的被动语态需要注意的问题：1)注意与一般过去时的被动语态的区别。一般过去时的被动语态表示一个被动的动作发生在过去某个时候，其结果对现在没有影响；而现在完成时的被动语态的动作或状态尽管发生在过去，但侧重说明该动作或状态对现在造成的影响或结果。The house was built last year.这房子是去年建造的。The house has been built.这房子已经建好了。Unit 3 Computers人教版英语2)由finish,buy,start,begin,post,ret

15、urn,borrow,join,marry,open等词构成的现在完成时的被动语态不能与表示一段时间的状语如：for four days，how long等连用，而要改换动词或时态。但这类动词的否定式可表示动作的持续过程，具有延续性，因而可与since或for引导的时间段连用。No books have been bought since last week.自上周以来，没有人来买过书。3)短语动词是一个不可分割的整体，在被动结构中要保持完整性，不可省略短语动词中的介词或副词。The orphan has been well looked after.这位孤儿一直受到很好的照顾。Unit 3

16、Computers人教版英语牛刀小试(1)(2010福建，28)Every year a flood of farmers arrive in Shenzhen for the moneymaking jobs they _before leaving their hometowns.Apromised Bwere promisedChave promised Dhave been promised答案：D考查时态与语态。由every year这一时间状语确定了需用现在时态，排除A、B两项；jobs后紧跟了定语从句，they指代前文中的farmers，与promise构成逻辑关系，由此可知D项

17、正确。Unit 3 Computers人教版英语(2)(2009全 国，26)His sister left home in 1998,and_since.Ahad not been heard ofBhas not been heard ofChad not heard ofDhas not heard of答案：B题意为“他的妹妹在1998年离开家，自从那时就没有音讯了。”句末since作副词，这时主句用现在完成时。Unit 3 Computers人教版英语(3)(2009福 建，22)Why does the Lake smell terrible?Because large quant

18、ities of water_.Ahave polluted Bis being pollutedChas been polluted Dhave been polluted答案：D考查动词时态、语态和主谓语一致。根据前一分句可知所填动词表示过去发生的动作对现在产生的影响，时态用现在完成时，动词与主语是被动关系，用被动语态。主语是large quantities of water，其中心词是quantities，是复数，谓语动词用复数，选D。Unit 3 Computers人教版英语(4)(2008上 海，32)In recent years many football clubs_as bu

19、siness to make a profit.Ahave run Bhave been runChad been run Dwill run答案：B题意：近年来，许多足球俱乐部已经被当作公司来经营，赚取利润。现在完成时可以与lately,recently,in recent years等时间状语连用，表示一段尚未完全过去的时间。例如：In recent years,there have been some changes.近年来发生了一些变化。此外，run a football club 表示“经营一家足球俱乐部”。Unit 3 Computers人教版英语(5)(2008安 徽，33)I

20、like these English songs and they_many times on the radio.Ataught Bhave taughtCare taught Dhave been taught答案：D考查时态和语态。由句意可知应用被动语态，排除A、B；由many times判断应用完成时态，因此D正确。Unit 3 Computers人教版英语(6)(2008陕西，17)Though we dont know what was discussed,yet we can feel the topic_.Ahad changed Bwill changeCwas change

21、d Dhas been changed答案：D本题考查了时态的用法。题意为“尽管我们不知道讨论了什么，但我们可以感觉到改变了话题。”后半句强调对现在造成的影响故用现在完成时。Unit 3 Computers人教版英语(7)(2007北京，32)I got caught in the rain and my suit_.Ahas ruined Bhad ruinedChas been ruined Dhad been ruined答案：C题意：我淋雨了，衣服已淋得不成样子了。名词my suit与动作ruin之间存在逻辑上的被动关系，采用被动语态；此外，“衣服被淋得不成样子”，表示说话时刻的一种“

22、现状”，采用现在时态，所以本句采用现在完成时的被动语态。Unit 3 Computers人教版英语(8)(2007上海，30)With the help of high technology,more and more new substances_in the past years.AdiscoveredBhave discoveredChad been discoveredDhave been discovered答案：D题意：借助高科技，越来越多的新物质在过去的数年里被人类所发现。说话人客观介绍了目前的科技发展现状，采用现在时态；考虑逻辑关系，“物质”是被人类所发现的，采用被动语态。Un

23、it 3 Computers人教版英语(9)(2007四川，23)When you get the paper back,pay special attention to what _.Ahave marked Bhave been markedChad marked Dhad been marked答案：B题意：当你拿到试卷时，要特别注意试卷中被标记的部分。“试卷内容”与动作mark之间存在逻辑上的被动关系，应当采用被动语态；此外，时间状语从句采用了一般现在时，可以确定主句应当采用现在时态。所以本句采用现在完成时的被动语态。Unit 3 Computers人教版英语(10)(2007天津，1

24、3)If Newton lived today,he would be surprised by what_in science and technology.Ahad discovered Bhad been discoveredChas discovered Dhas been discovered答案：D题意：如果牛顿还活在世上的话，他会对当今的科学技术感到惊讶。名词science and technology(科学与技术)与动作discover之间存在逻辑上的动宾关系，所以what从句应当采用被动语态。本题含有“虚拟语气”结构，表达了一个“与现在相反的”假设，可以确定what从句应当采用现在时态。此外，时间状语today也是暗示。Unit 3 Computers人教版英语