必修二Unit 3Computers复习学案.docx

1、必修二 Unit 3 Computers复习学案必修二 Unit 3 Computers复习学案第一、二课时（单词和短语）【学习目标】：1.重点单词：total, anyhow, signal, arise 2.重点短语：in a way, deal with【学习重点】：掌握本单元4个重点单词和2个重点短语的用法并灵活运用。【学习难点】：根据语境运用重点单词和短语。预习任务：1.完成三维设计P34P35单词冲关和短语冲关。2.回归课文，根据课文内容填空。I was born as a _ machine in 1642. When I was young, I was good at_ di

2、fficult sums. About 2 hundred years had passed before I could think _ and produce_ answers. At that time, I was called an _ machine. In 1936, I was built as a _ machine. I had the ability to _any mathematical problem. From then on, I grew rapidly both in _ and memory. After I stored my memory on _ i

3、nstead of in _, I became _ in size but _in intelligence. As time went by, I became even smaller, for I put my memory on very small _, which made me become PC and laptop. In the 1960s, I could be connected with other computers by a _From then on, I was able to share my knowledge with others through t

4、he _ _ _. After that, I had many new_. Now, I am glad to serve human beings as a _ _ and a pleasant _.课堂探究：1. As a result I _changed my shape. 翻译：_total adj._n._totally adv. _ 相关短语：总共_ 加起来_翻译：那项计划完全失败了。_他欠的债总共达10000美元。_那儿总共一定有2000人。_练习：Do you know how many students took part in the sports meet?About

5、 400_.Aall together Bafter all Cin total Dat total2. 教材P18原句_, my goal is to provide humans with a life of high quality.翻译：_anyhowanyway_ 用某种方式；不知怎么地；不知为什么 稍微，有点注意：anyhow/anyway作让步状语时一般置于句中或句末，其前常有连词but。但如果表示“再说；至少；更何况”之意，作状语对前面的话作补充时，常出现在句首。(1)Dont worry；well get the money back_.别担心，我们会把那些钱拿回来的。(2)

6、 ，I must go now.总之，我现在得走了。(3)I was _unhappy when he arrived ten minutes late.他迟到了十分钟，我有点生气。3.教材P23原句For example, I have learned to _to my teammates in computer language to give me the ball when I am open and have a good shot for a goal.翻译：_signal vi.& vt._n._(1)示意某人做某事_ 示意_(2)a danger/warning traffi

7、c signal The thief the police were coming. 小偷用信号暗示同伴警察来了。易混辨析 symbol，signal，sign，mark (1)symbol指符号，象征，标志等。(2)signal指信号，暗号或警告等。(3)sign表示“记号，符号”时，同“symbol”。表示“告示，牌示”时，侧重指用图画、文字表达的告示、图示，此外还可以理解为“迹象，征兆”。(4)mark普通用词，含义广泛。既可指为便于辨认而有意作的标记，又可指自然形成的标记或有别于其他事物的特征。用symbol，signal，sign，mark的适当形式填空(1)The siren wa

8、s a for everyone to leave the building.(2)The children left dirty all over the kitchen floor.(3)Red is a of danger.(4)Dark clouds are usually a of rain.4.教材P23原句Then she prepares reliable moves to use if a new situation_.翻译：_arise vi._(1)arise作“_”之意时，主语多为抽象名词_等。(2)arise from/out of _ 。即学即用 (1)我本来想事情

9、会很容易，但是出现了许多问题。I thought it would be easy,but a lot of problems .(2)事故由粗心大意引起。 Accidents carelessness.arise, arouse, rise, raise原形过去式过去分词arise vi.出现；发生；起因于arosearisenarouse vt.唤醒；激起arousedarousedrise vi.升起；起身；增长；上升roserisenraise vt.举起；唤起；提高；饲养raisedraised一言辨异The question who him ，which public intere

10、sts.5. 教材P23原句In a way our programmer is like our coach.翻译：_in a way_all the way _ by the way_by the way of_ give way to_in no way_ in the way_in this/that way_ on the way_No way！_ on ones way to_make ones way_根据语境填入与way相关的短语1.Oh, _, have you seen John lately?2. John drove up to the police station _

11、 Pitt Street.3. I like the work _.4. We can _ allow this to continue.5. Please dont talk _.6. Her social life got _ of her study.7. She hesitated(犹豫）, but _ forward.单项填空I cant see the word on the blackboard. Your head is _. A. on the way B. in a way C. by the way D. in the way6. 教材P24原句This means th

12、at it should clean the house, mop the floors, cook the dinner and deal with telephone calls.这就意味着它应该打扫房子、拖地、做饭以及接电话。deal with_根据汉语意思，完成英文句子(1)你很巧妙地处理了一个困难的局面。 You _an awkward situation very tactfully.(2)我同这家商店做生意已经有20年了。 I _this shop for 20 years.(3)这是一本关于西非的书。 This book _West Africa.(1)deal with和do

13、 with都可表示“处理；对付”，do with常与连接代词what连用，而deal with常与连接副词how连用；(2)deal with的意思较多，常表示“对付、应付”“处理、安排”“论述、涉及”“与交涉、交易”等。辨析：deal with与do with 用what,how填空 _ do you propose to do with the letter? Have you any suggestions on _to deal with these difficulties?【小结与反思】：本节课所学单词和短语用法归纳：本节课不太熟悉的知识点：【当堂检测】：11While there

14、 are quite a few differences in the education systems in many countries, education is _.Ausual BregularCnormal Duniversal2. Our school is very large. _， the number of the students _ 3 500.ATogether; is BAltogether; areCIn all; are DIn total; is3. I am not sure whether I will have anything else to do

15、 tomorrow. _， I will try every possible means to come to the party.AEven though BAnyhowCIf so DInstead4. Should the chance _， Id love to go abroad.Arise BraiseCarise Darouse5. I think he is taking an active part in social work.I agree with you _.Ain a way Bon the wayCby the way Din the way6. Last su

16、mmer I took a course on _ poisonous gases.Ahow to deal with Bwhat to deal withChow to be dealt with Dwhat to be dealt withHomework: 完成三维设计P36单词题组冲关和P37短语题组冲关。第三课时 重点句型【学习目标】：学会分析本单元3个重点句型并模仿造句【学习重点】：分析课文中的长难句并掌握该句型结构。【学习难点】：模仿句型造句。预习任务：1. 完成三维设计P37句型冲关。2. 翻译下列句子我发育缓慢，差不多到两百年后，查尔斯巴比奇才把我制成了一台分析机。_到20世

17、纪40年代，我已经长到一个大房间那么大，我不知道我会不会继续长大。_随着时间的推移，我被弄得越来越小。自二十世纪七十年代以来，我一直被用在办公室和家庭里，先是用作个人电脑，后来又做成便携式。_我的存储量变得如此巨大，连我自己都不能相信！_我还被放在机器人里面，被用来制作移动手机，并且用来帮助作医疗手术。_课堂探究：1. I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage.翻译：_句型：It takes

18、 some time before. 过了多久才 一份杂志要经过几年才会开始赚钱。 _ 过了很长一段时间那场大火才渐渐熄灭。 _2、As time went by, I was made smaller.翻译：_解读：as意为_, 引导_翻译:1)你会随着年龄的增长而越来越聪明。_2)随着时间的推移，他的知识面变宽了。as, withAs“随着”，是连词，引导时间状语从句With“随着”，是介词，后接名词或代词等构成with短语或with复合结构随着时间的推移，我们国家会越来越发达。As _With _单项：1).I couldnt do my homework with all that n

19、oise_.Agoing onBgoes on Cwent onDto go on2)_children get older，they become more and more interested in the things around them.AWhileBWhen CAsDWith3. And my memory became so large that even I couldnt believe it! 翻译:_so/such.that引导_，意为_。(1) so .that .句型的常见形式：(2)such .that .句型的基本结构：_(2) 当soadj./adv.及su

20、ch .放在_时，主句要用_。根据汉语意思，完成英文句子(1)她兴奋得睡不着觉。 She was _she couldnt go to sleep.(2)天气如此热，谁也不想干活。 It was_nobody wanted to do anything.(It was _ nobody wanted to do anything.)(3)他跑得那么快以至于我赶不上他。(倒装) _I couldnt catch up with him.选择：1)(2009年高考上海卷)The Great Wall is_tourist attraction that millions of people pou

21、r in every year.Aso a well knownBa so well known Csuch well known a Dsuch a well known2).(2009重庆卷)Peter was so excited_he received an invitation from his friend to visit Chongqing.AwhereBthat CwhyDwhen【小结与反思】：本节课所学句型用法归纳：本节课不太熟悉的知识点：【当堂检测】：1(福建高考)Nancy enjoyed herself so much_she visited her friends

22、 in Sydney last year.AthatBwhich CwhenDwhere2(四川高考)I havent seen Ann for_long that Ive forgotten what she looks like.AsuchBvery CsoDtoo3Pop music is such an important part of society_it has even influenced our language.AasBthat CwhichDwhere 4Beijing was attacked by such a terrible sandstorm_few residents had ever experienced before.AasBwhich Cand it wasDthat5(2011江西六所重点中学联考)So difficult_it to live in an Englishspeaking country that I determined to learn English well.AI have feltBhave I felt CI did feelDdid I feel6. _ CPI up by 12%, the economy of our country will meet