1、Unit 3androidsignaltypecoacharise(arose,arisen)n.机器人vi.&vt.发信号 n.信号n.类型 vt.&vi.打字n.教练vi.出现；发生Words previewelectronicappearancemopnieceadj.电子的n.外观；外貌；出现n.拖把 vt.用拖把拖；擦n.侄女；甥女Words previewin a waywith the help ofdeal withwatch over在某种程度上在的帮助下处理；安排；对付看守；监视Expressions previewTry your best to describe wha
2、t the 21st century is like.Do you know IT?What does IT consist of?DiscussionFor referenceInformation Technology(IT)is a broad subject concerned with the use of technology in managing and processing information,especially in large organizations.In particular,IT deals with the use of electronic comput
3、ers and computer softwareto convert,store,protect,process,transmit,and retrieve information.For that reason,computer professionals are often called IT specialists or Business Process Consultants,and the division of a company or university that deals with software technology is often called the IT de
4、partment.Other names for the latter are information services(IS)or management information services(MIS),managed service providers(MSP).Listen to the whole text and write down the main idea in onesentence.Two students are talking about information technology.Listen to Part A and fill in the chartbelo
5、w.Then do the same with Part B.Part AWhat does IT include?What is the most popular form of IT?books,radio and TVbooks Part BWhich form of IT describes the skills of a sport bestWhich form of ITHas the most functions?computersTVListening textPart AD:Hi,Laura.Its good to see you because Im so bored.My
6、 homework is about Information Technology but I know everything there is to know about it.L=LauraD=DaveWHAT IS INFORMATION TECHNOLOGY?L:Come off it,Dave.I think I might know more than you.D:OK.Let me test you!Heres the first question.Whats information technology?L:Gosh,thats easy!Its computer,of cou
7、rse.D:Ah!Thats just where youre wrong.It includes books,radio and TV as well.L:Really!Well,I never.D:Question number 2.Which is the most popular form of IT in the world?L:Well,that must be computers this time.D:No,its books.Think of all those people in developing countries without computers.Their on
8、ly form of IT is books!L:Oh dear!Im not doing very well.Part BD:Heres the third question.Which form of IT is the best for describing the skills of a sport?L:It must be the radio.D:Actually,its not.The best descriptions are on the TV because you can not only hear the technical language,but also see h
9、ow it happens.L:Goodness!Wrong again!D:Heres the last question.Which form of IT has the most functions?L:This time I must be right.Its the computer,of course.D:Yes.You can watch a film,replay a match,communicate with friends through the Internet,get information and find out whats going on in the wor
10、ld.L:Oh dear!Three questions wrong out of four.Perhaps I dont know as much about IT as I thought I did!What are the advantages and disadvantages of each form of IT?In small groups discuss this question and put your ideas on to the chart.Then decide when each kind of IT is most useful.DiscussionThe a
11、dvantage/disadvantage is.I think/dont think that.Give me your reasons.What makes you think so?I think.because(of).Use these reasoning expressions in your discussion.Lets decideAs/Since,I think.I agree/dont agree because.First.Second.Ive decided that.I believe that.Lets make a decision.Type of IT Adv
12、antagesdisadvantagesComputerYou can find information.It is not always accurate.TVYou can both listen and watch.You cannot write to friends.BookYou can get information.Sometimes it is out of date.RadioYou can listen to English.You cannot watch a film.ANDY THE ANDROIDWho is Andy?Andy is part of an and
13、roid football team.Andy is as big as a human.In fact,Andy looks like one too.Andy is a striker on the football team.Andy can run very fast.Andys computer chips help him to move and think like a human.1 Read the passage carefully and fill in the file for Andy.Name:_ Appearance:_Size:_ Character:_Andy
14、small woman with four armssame height as a ten-year-oldpatient and kindAbility:_ Job:_ can finish reading some books in a few minutes and print out theinformation when neededhomework helper 2.Create your own android.Fill in the file,and compare with your partner.Name:_ Appearance:_Size:_ Character:_
15、Ability:_ _:_1.signalvi.&vt.发信号 n.信号1)A red lamp is often a danger signal.红灯常常是危险的信号。2)The police signaled the traffic to move forward slowly.警察向来往车辆打信号，示意缓慢前行。3)Her speech yesterday was a signal that her views have changed.她昨天的讲话标志着她的观点已经转变。4)He seems to be signaling.他似乎正在发送信号。2.goal n.球门；（进球）得分；目标
16、；目的1)Youd better set a goal before you start the drill.练习开始前，你最好设定一个目标。2)He has achieved his goal.他已经实现了他的目标。3)Who is keeping goal/is in goal(ie is goalkeeper)for Arsenal?谁给阿森纳队守球门?4)He kicked a penalty goal in the football match.在这场足球赛中，他主罚，踢进了一个球。5)That last goal was a beauty.最后进去的那个球真漂亮。6)Its in
17、weve got a goal!球进了我们射门得分！7)Thats the twentieth goal hes kicked this season.这是他本赛季踢进的第二十个球。3.type 1)n.类型This is a new type of machine,with lots of meters on it.这是一种新型的机器,上面有许多仪表。I dont think shes the artistic type.我认为她不属艺术家那类的人。2)vt.&vi.打字Will you please type this letter for me?你帮我打一下这封信好吗?type:表示各项
18、事物在本类中都是典型的。kind:特指在分类中能放在一起的性质相同且相似的一类事物。4.in a way 在某种程度上1)In a way,youre right.从某一点上看你是对的。2)You should dress in a way that befits a woman of your position.你的衣着应与你这种地位的妇女相称。3)The work is well done in a way.这工作就算做得不错。4)The scheme rebounded on her in a way she had not expected.她未曾想到这计谋反倒使她自食其果。in th
19、e way of 挡的道；妨碍on the/ones way(to)在(去)的路上by the way 顺便提一下in no way 决不all the way 自始自终;完全地in this way 用这种方法way 常见短语5.arise(arose,arisen)vi.出现；发生1)An opportunity has arisen.机会来了。2)A new difficulty has arisen.出现了新困难。3)The problem may not arise,but theres no harm in keeping our powder dry.问题不一定会发生,但有备无患
20、并无害处。6.with the help of 在的帮助下With the help of the teacher,I have made rapid progress in my English study.在老师的帮助下,我的英语进步很快。7.electronic adj.电子的1)This dictionary is available in electronic version.这部词典有电子版。2)I like to read books on electronic music.我喜欢读一些关于电子音乐的书。3)The firm is Britains main producer o
21、f electronic equipment.该公司为英国主要的电子设备制造厂家。8.deal with 处理；安排；对付1)I have a matter of importance to dealwith.我有要事要处理。2)I think we should work out a strategy to deal with this situation.我想我们应该制订出一项行动计划，用来对付这种情况。9.watch over 看守;监视They were watched over by three policemen.watch out(for)当心;注意watch for sb./sth.观察等待keep a watch on 监视under the close watch 在严密的监视下Write a description of your android and what it can do.You may draw a picture of it if you wish.Use your notes and the sample passage on page 24 to help you.
