高中英语Unit3《Computers》新人教版必修2.doc

Unit 3 Computers 学案学习目标与要求类别课程标准要求掌握的项目话题Information technology; history and basic knowledge of computers; robots词汇calculatecalculatorPCnotebookcommonanalyticalsimplesimple-mindedtechnologytechnologicalrevolutionuniversalmathematicalartificialintelligenceanywaytotallynetworktrulyracebirthITadvantagedisadvantagetypedisagreechoicematerialpersonallycreatecoachmovearisebrainmopwanderin commonin ones opiniongo byso . that . deal withhuman racein a waymake upafter allwith the help ofwatch over功能1做出决定（Making decisions）I think that . Lets make our decisionIn my opinion . Ive decided that . I believe that . 2推理 （Reasoning）The advantage / disadvantage is . I think this one is better because . Whats your reason? I dont like this one because . Why do you think so?语法现在完成时的被动语态的结构和用法As the years have gone by, I have been made smaller and smallerSince then, my family and I have been used by billions of people to deal with information and I have truly been built to servethe human race since my birthScanning: Timeline Go through the text quickly to find some information and fill in the form.1642The Analytical Machine was made by Charles Babbage19361960sThe first family of computers was connected to each other.1970snowSo in which order is the text organized? (time order)True or False:1. Alan Turing built an Analytical Machine to solve any mathematical problems.2. People began to realize that the computer got cleverer and quicker with time passing.3. The computer began to serve the human race since it was brought into peoples homes.4. Since the 1970s, the computer was used by people around the world through the Internet.5. The larger the computer is, the more memory it has.(F T F T F)Step3 Comprehending Task 1. Choose the best answers according to the text:1. Whats the main idea of the text? (D) A. The computer wants to find “who he is”. B. The functional change of the computer. C. The computer becomes popular around the world. D. The history of the computer.2. What can you infer from the text? (B)A. The computer has artificial intelligence.B. The computer changes a lot over the years.C. The computer was not connected by a network until in the early 1960s.D. Now the computer can only be used to deal with information.Language focus:1. As the years have gone by, I have been made smaller and smaller.go by = pass随着时间的推移，电脑开始得到人们的认可。(As time went on, computers began to be recognized by people.)随着年龄的增长，我们的阅历也益加丰富。(As we grow older, our experiences become richer and richer.)2. However, people thought I was simple-minded until they discovered I had “artificial intelligence”.simple-minded=showing very little intelligenceabsent-minded 心不在焉的open-minded 虚心的，没有偏见的narrow-minded 心胸狭窄的single-minded 一心一意的strong-minded 意志坚强的weak-minded 低能的，愚蠢的3. And my memory became so large that I couldnt believe it! so that 如此.以致于.He was so excited that he could not speak.He ran so fast that I couldnt catch up with him. so + 形容词(副词) + that. such + 名词 + that.他如此聪明，以致于我们很喜欢他。(He is so clever that we like him very much.He is such a clever boy that we like him very much.)so that = 以致于，结果是；以便，为的是（in order that） 他起床晚了，以致于不能按时到校。(He got up late, so that he didnt get to school on time.)我们早点离开为的是赶上第一班车。(We left early so that we could catch the first bus.)4. I think we can work together to create even better software.even = much 用于强调比较的程度5. In a way, my programmer is like my coach.in a way 在某种程度上in the way 挡道,造成障碍in this way 用这种方法Fill in the blank：1). _it was one of our biggest mistakes. 2). You can finish your work . 3). Your bike is .Move it away.6. In this way, I can make up new moves.make up 编写，补上7. After all, with the help of my computer brain which never forgets anything, intelligence is what Im all about.after all 毕竟with the help of sb./sth. 在的帮助之下= with ones/ sths help8构成： 主动语态 被动语态现在完成时 have/has done-have/has been doneHe has been sent to study the new technology in the company.The dirty clothes have not been washed.Have the windows been cleaned?How many shopping centers have been built in this city?2. 只有及物动词才有被动语态，不及物动词（词组）没有被动语态, 如:happen, take place, die, appear, disappear, fail, remain, lie, last, sit ,stand, break out, come true, belong to等如：What has happened to your brother?3但许多不及物动词加介词或副词构成的短语动词，相当于及物动词，也可以有被动语态。但短语动词是一个不可分割的整体，变为被动语态时，不可丢掉构成短语的介词或副词。如：The child has been taken good care of by Grandma Wang all these years.A notice has been put up on the wall高考链接(This step can be done according to teaching needs.)1. -How long _ at this job? B - Since 1990. A. were you employed B. have