届全国人教版英语一轮讲义必修二Unit3含答案.docx

1、届全国人教版英语一轮讲义必修二Unit3含答案必修2Unit 3ComputersThe appearance of computers has totally changed our lives.With the application of new technology，computers are not just calculating machines，simplifying complicated logical problems.Connected to the network or mobile phones，they help us download different typ

2、es of information.Scientists even control rockets and spaceships with them to explore the universe.Computers with artificial intelligence can do housework or care for babies! However，computers are easily attacked by viruses.Personally，fields like finance and military affairs are more likely to be vi

3、sited by hackers.默写识记默写单词1.technology n 工艺；科技；技术2.solve vt. 解决；解答3.reality n. 真实；事实；现实4.personally adv. 就个人而言；亲自5.total adj. 总的；整个的 n. 总数；合计6.explore vt.& vi. 探索；探测；探究7.type n. 类型vt.& vi. 打字8.goal n. 目标；目的；球门；(进球)得分work n. 网络；网状物10.appearance n. 外观；外貌；出现11.character n. 性格；特点12.signal vi.& vt. 发信号n.

4、信号13.arise vi. 出现；发生14.electronic adj. 电子的记住词义1.calculate vt. 计算2.universal adj. 普遍的；通用的；宇宙的3.simplify vt. 简化4.logical adj. 合逻辑的；合情理的5.revolution n. 革命6.artificial adj. 人造的；假的7.intelligence n. 智力；聪明；智能8.application n. 应用；用途；申请9.finance n. 金融；财经10.rocket n. 火箭11.virus n. 病毒12.coach n. 教练写出短语1.in a wa

5、y 在某种程度上2.with the help of 在的帮助下3.deal with 处理；安排；对付4.watch over 看守；监视5.as a result 结果6.go by (时间)过去；流失7.work as 担任；充当8.get together 聚会9.from.on 从时起10.so.that. 如此以至于联想拓展动词后缀ify1.simplify 简化2.beautify 美化3.purify 净化4.identify 鉴定；识别出5.classify 分类短语串记1.all the way 自始至终；完全2.by the way 顺便说一下3.in no way 一点

6、也不；决不4.in this way 用这种方法5.in the way 挡道；碍事6.on the way 在途中7.help sb.out 帮助某人摆脱困境8.help sb.with sth. 在某方面帮某人9.help (to) do sth. 帮着做某事10.help oneself (to) 自用11.face reality 面对现实12.turn.into reality 把变成现实13.become a reality 成为现实14.in reality 实际上15.as a result of 作为的结果16.without result 毫无结果地17.result fr

7、om 由引起18.result in 导致；结果19.watch out (for.) 注意；小心 () 20.watch for 守候；当心；等待21.keep a close watch on 密切注视22.be on watch 值班；看守23.work as 担任；充当24.serve as 担任；充当25.act as 担任；充当经典例句The application forms have now been simplified.申请表格现已简化了。Passengers were asked to identify their own suitcases before they we

8、re put on the plane.乘客被要求先确认自己的旅行箱再送上飞机。Oh，by the way，if you see Jackie，tell her Ill call her this evening.啊，对了，你要是看到杰基，告诉她我今晚给她打电话。When I bought the house，my sister helped me out with a loan.我买这所房子时，我姐姐借给了我一笔钱让我渡过难关。Outwardly she seemed confident but in reality she felt extremely nervous.表面上看，她显得信心

9、十足，而实际上她紧张得要命。These policies resulted in many elderly people suffering hardship.这些政策使得许多老人饱受困苦。The cashiers were asked to watch out for forged banknotes.出纳员接到要求，要注意伪钞。The sofa will serve as a bed for a night or two.沙发可以当床凑合一两夜。词汇异空间派生词汇原词词义派生词词义operate vt.& vi.操作；经营operator n.operation n.1.(电脑)操作员；接

10、线员2.操作；经营simple adj.简单的simplify vt.3.简化personal adj.私人的；个人的；亲自的personally adv.4.就个人而言；亲自apply vt.& vi.应用；涉及；申请applicant n.application n5.申请人；求职者6.应用；用途；申请explore vt.& vi.探索；探测；探究explorer n.exploration n7.探险家；勘探者8.探索appear vi.出现appearance n9.外观；外貌；出现原创语境填空(用所给词的适当形式填空)Our life has changed a lot since

11、 the 1.appearance (appear) of computers.Complicated issues have been 2.simplified (simple)For example，financial services are becoming more easily accessible.3.Operators (operate) just use a keyboard or a mouse to get their work finished in a short time.Now，intelligent computers are being more widely

12、 used，even in the 4.exploration (explore) and recognition of the universe.5.Personally (personal)，computers will influence all aspects of our life with more 6.application (apply) softwares being developed. 【导学号：11470029】词法新图谱核心词汇灵活多变的动词词汇词性意义现在分词过去分词calculatevt.计算calculatingcalculatedsolvevt.解决；解答so

13、lvingsolvedexplorevt.& vi.探索；探测；探究exploringexploredsignalvt.& vi.发信号signal(l)ingsignal(l)edarisevi.出现；发生arisingarisendownloadvt.下载downloadingdownloadedmopvt.用拖把拖；擦moppingmopped.原创语境填空(用所给词的适当形式填空)The forum is meant 1.to explore (explore) how mobile phones influence peoples wellbeing.A mobile phone i

14、s now used for more than just communication.It can function as a 2.calculating (calculate) device.Someone uses it 3.to signal (signal) to the robot in his/her home to do housework，such as 4.mopping (mop) the floor and doing the laundry.By 5.downloading (download) and installing a certain app，people

15、can video chat with each other.With new apps 6.arising (arise)，mobiles will have more functions.However，negative effect mobiles have on peoples health is obvious.The problem must 7.be solved (solve) if we want to stay fit. 【导学号：11470030】.原创语境改错When a software like Taobao is download，you can go onlin

16、e shopping.However，problems seem to arise from as soon as you begin to buy things.Theres always a trap online.It calculated that almost all consumers have been cheated when they explored the internet for bargains.The problems are difficult to be solve due to lack of relevant regulations.So when some

17、one signal to you to click a link to a website，make sure that it is trustworthy.【答案】When a software like Taobao is，you can go online shopping.However，problems seem to arise as soon as you begin to buy things.Theres always a trap online.It calculated that almost all consumers have been cheated when t

18、hey the internet for bargains.The problems are difficult to solve due to lack of relevant regulations.So when someone to you to click a link to a website，make sure that it is trustworthy.be meant to do sth.“目的是做某事”。a calculating device“计算装置；计算工具”。signal to sb.“向某人示意或发信号”；signal (to) sb.to do sth.“示意

19、某人做某事”。with new apps arising“随着新应用的出现”，是with的复合结构。arise from/out of.“由引起/产生”。it is calculated that.“据估算”；be calculated to do sth.“打算或计划做某事”。相依为命的词搭配搭配例释、联想、拓展动介deal with处理；安排；对付watch over 看守；监视deal with常与连接副词how连用；do with常与连接代词what连用。动名achieve ones goal 实现目标make an application 申请have.in common 有共同点；

20、共享To achieve his goal，he is working very hard.为实现自己的目标，他在努力工作。动副work out算出；解决；制定；锻炼；结果figure out 想出；计算出go by (时间)过去；流逝make up 组成；编造；装扮I work out regularly to keep fit. 我经常做运动以保持健康。Things worked out pretty well in the end.最后事情的结果很好。介名in a way在某种程度上as a result 结果in total 总计；总共in reality 实际上；事实上with on

21、es help 在某人的帮助下As a result，I had no choice but to completely focus on my study.结果，我别无选择只好集中精力学习。Up to now，they have 20 branches in total in China.到目前为止，他们在中国开的分店总数达20家。习语after all 毕竟；终究above all 最重要的是；尤其I thought I was going to fail，but I passed after all.我原以为要不及格了，可是终究还是过关了。.原创语境填空(填入一个适当的词)India a

22、nd China have a lot 1.in common.They are both big countries with farmers 2.making up the majority of the population.For decades，the two countries have been watching 3.over each other because of border conflicts.With time 4.going by，both have realized the importance of peaceful coexistence.5.In reali

23、ty，the border area is now peaceful and stable.The two governments are trying to work 6.out a fair and reasonable plan to develop mutual relationship.After 7.all，China and India have common interests in many aspects. 【导学号：11470031】.原创语境改错I was homesick after I arrived in Canada.Above all，this was the

24、 first time that I had left home.I found it hard to adapt to my new school life and I didnt know what to deal with my new classmates.As the result，I felt nervous and depressed.My deskmate Tom offered me a hand.Because we had a lot at common，we became good friends soon.Under his help，I quickly got al

25、ong well with all the others and worked out of many difficulties in life.Two years has been gone by，and everything is OK for me.In realities，I am really enjoying the life in Canada now.【答案】I was homesick after I arrived in Canada. all，this was the first time that I had left home.I found it hard to a

26、dapt to my new school life and I didnt know to deal with my new classmates.As result，I felt nervous and depressed.My deskmate Tom offered me a hand.Because we had a lot common，we became good friends soon. his help，I quickly got along well with all the others and worked out many difficulties in life.

27、Two years has gone by，and everything is OK for me.In，I am really enjoying the life in Canada now.句法新天地重点句型as引导时间状语从句教材原句As time went by，I was made smaller.随着时间的推移，我被做得更小了。As the worlds population continues to grow，the supply of food becomes more and more of a concern.随着世界人口的不断增加，食品供应问题越来越受到人们的关注。“wi

28、th名词或代词现在分词”结构有时也可翻译成“随着”。With time going by，I gradually adapted myself to the school life.随着时间的推移，我逐渐适应了学校生活。so.that.教材原句And my memory became so large that even I couldnt believe it!我的存储量变得如此之大，连我自己都不能相信！so.that.引导结果状语从句，意为“如此以至于”。Keeping a learning diary every day is so important that I would like

29、 to introduce it to you.每天坚持写学习日记很重要，所以我想把这种学习方法介绍给你们。(1)so.that.句型的常见形式：(2)such.that.句型的基本结构：(3)当so/such及其后面的成分放在句首时，主句用部分倒装。她是一个聪明的姑娘，我们都喜欢她。She is so clever a girl that we all like her.She is such a clever girl that we all like her.So clever is she a girl that we all like her.Such a clever girl i

30、s she that we all like her.即时演练.原创语境填空With society 1.developing (develop) rapidly，various problems have arisen.One of them is 2.that the elderly are not well attended to.To solve this problem，a robot has been produced.It has taken several years 3.before it turns out to be practical.4.So reliable is the robot that it can do housework as 5.well as look after the aged.6.As time goes by，old people will find their life more convenient and comfortable.原创语境改错With th