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1、Unit 3androidsignaltypecoacharise(arose,arisen)n.机器人机器人vi.&vt.发信号发信号 n.信号信号n.类型类型 vt.&vi.打字打字n.教练教练vi.出现；发生出现；发生Words previewelectronicappearancemopnieceadj.电子的电子的n.外观；外貌；出现外观；外貌；出现n.拖把拖把 vt.用拖把拖；擦用拖把拖；擦n.侄女；甥女侄女；甥女Words previewin a waywith the help ofdeal withwatch over在某种程度上在某种程度上在在的帮助下的帮助下处理；安排；对
2、付处理；安排；对付看守；监视看守；监视Expressions previewTry your best to describe what the 21st century is like.Do you know IT?What does IT consist of?DiscussionIT consists of computers,books,radios and TVs.Listen to the whole text and write down the main idea in onesentence.Two students are talking about information
3、 technology.Listen to Part A and fill in the chartbelow.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
4、AD:Hi,Laura.Its good to see you because Im so bored.My homework is about Information Technology but I know everything there is to know about it.L=Laura D=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 infor
5、mation technology?L:Gosh,thats easy!Its computer,of course.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 pe
6、ople in developing countries without computers.Their only 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
7、can not only hear the technical language,but also see how 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
8、,get information and find out whats going on in the world.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 dec
9、ide when each kind of IT is most useful.DiscussionThe advantage/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
10、that.I believe that.Lets make a decision.Type of IT AdvantagesdisadvantagesComputerYou 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
11、film.ANDY THE ANDROIDWho is Andy?Andy is part of an android 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
12、file for Andy.Name:_ Appearance:_Size:_ Character:_Andysmall 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
13、with your partner.Name:_ Appearance:_Size:_ Character:_Ability:_ _:_1.signalvi.&vt.发信号发信号 n.信号信号1)A red lamp is often a danger signal.红灯常常是危险的信号。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。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
14、have changed.她昨天的讲话标志着她的观点已经转变。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。他似乎正在发送信号。2.goal n.球门；（进球）得分；目标；目的球门；（进球）得分；目标；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。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。他已经实现了他的目标。3)Who is keeping goal/is in goal
15、(ie is goalkeeper)for Arsenal?谁给阿森纳队守球门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，踢进在这场足球赛中，他主罚，踢进了一个球。了一个球。5)That last goal was a beauty.最后进去的那个球真漂亮。最后进去的那个球真漂亮。6)Its in weve got a goal!球进了球进了我们射门得分！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。
16、这是他本赛季踢进的第二十个球。3.type 1)n.类型类型 This is a new type of machine,with lots of meters on it.这是一种新型的机器这是一种新型的机器,上面有许多仪表。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。我认为她不属艺术家那类的人。2)vt.&vi.打字打字Will you please type this letter for me?你帮我打一下这封信好吗你帮我打一下这封信好吗?type:表示各项事物在本类中都是典型的。表示各项事物在本类中都是典型的。k
17、ind:特指在分类中能放在一起的性质相特指在分类中能放在一起的性质相同且相似的一类事物。同且相似的一类事物。4.in a way 在某种程度上在某种程度上1)In a way,youre right.从某一点上看你是对的。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。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。这工作就算做得不错。4)The scheme rebounded on
18、her in a way she had not expected.她未曾想到这计谋反倒使她自食其果。她未曾想到这计谋反倒使她自食其果。in the way of 挡挡的道；妨碍的道；妨碍 on the/ones way(to)在在(去去)的路上的路上by the way 顺便提一下顺便提一下 in no way 决不决不all the way 自始自终自始自终;完全地完全地in this way 用这种方法用这种方法way 常见短语常见短语5.arise(arose,arisen)vi.出现；发生出现；发生1)An opportunity has arisen.机会来了机会来了。2)A ne
19、w difficulty has arisen.出现了新困难。出现了新困难。3)The problem may not arise,but theres no harm in keeping our powder dry.问题不一定会发生问题不一定会发生,但有备无患并无害处。但有备无患并无害处。6.with the help of 在在的帮助下的帮助下 With the help of the teacher,I have made rapid progress in my English study.在老师的帮助下在老师的帮助下,我的英语进步很快。我的英语进步很快。7.electronic
20、adj.电子的电子的1)This dictionary is available in electronic version.这部词典有电子版。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。我喜欢读一些关于电子音乐的书。3)The firm is Britains main producer of electronic equipment.该公司为英国主要的电子设备制造厂家该公司为英国主要的电子设备制造厂家。8.deal with 处理；安排；对付处理；安排；对付1)I have a matter of i
21、mportance to deal with.我有要事要处理。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，用我想我们应该制订出一项行动计划，用来对付这种情况。来对付这种情况。9.watch over 看守看守;监视监视They were watched over by three policemen.watch out(for)当心当心;注意注意watch for sb./sth.观察等待观察等待keep a watch on 监视监视under the
22、close watch 在严密的监视下在严密的监视下 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.My Android I would like to have an android that can do all my jobs around the house.This means that it should clean
23、the house,mop the floors,cook the dinner and deal with telephone calls.It should also watch over my naughty niece who comes to my house very often.Whenever she comes,I have to look after her,and sometimes help her with her homework.I hope my android will be programmed to do homework and not make mistakes.In that way,my niece will not spoil my free time and I can go out with my friends.I dont mind what my android looks like,but it must be able to talk and tell funny stories to my niece.