新概念青少版3Aunit4(共34页).ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,Museum,博物馆,m,useum piece,古董,PC=Personal Computer,Its an Apple,2,.,Whats this?,第一台个人电脑是apple公司制造的 Apple（苹果电脑）是美国著名老牌计算机公司，成立于1977年，是个人电脑最早的倡导者和著名生产商。它所生产的苹果系列电脑，包括iMac，PowerMac，ibook，Powerbook等产品线的众多硬件产品，一直是个人电脑市场的主流产品之一，并曾提出过很多新概念，其产品也掀起过多次流行潮，风行一时。目前，苹果电脑电脑公司在全球几十个国家建立了分公司或代表机构，其产品也行销全世界.,Its,the first,p,ersonal,c,omputer,It,came,o,nto,the,market,in 1977.,Its a very,early,computer.,Come,o,nto market,面世,Attic,阁楼,Where did you find it?,Mum,found,it,in a,box,in the,attic,.,It has been there,for years,.,f,ind-found-found,Its been there,since,we mov,edinto this house.,Its mine!,mine=my PC.,自从,It hasnt been,out of,its box,for,20 years,.,Hard disk,lawnmower,Hard disk,sounds like,lawnmower,听起来像,feel like,look like,smell like,taste like,It is,niosy,!,Hard disk space,(空间),.,5 Megabyte,=5MB,Thats nothing.,It,s,just,got,5,M,egabytes,hard disk space.,It was already a museum piece,when,I,bought,it.,b,uy-bought-bought,It,was,already a museum piece,when I bought it,and that,was,a long time ago,.Maybe,（也许）,Im a museum piece now,too!,is was,过去式,buy bought,when I bought it,当我买它的时候,（过去时间，用过去时,),a long time ago,很久以前,（过去时间，用过去时）,Listen to MP3 and answer the question.,How long has the computer been in the attic?,20 years,Watch the DVD and repeat after it.,现在完成时：,Have/has+动词过去分词,表示动词发生在过去，持续到现在或对现在产生影响，后接表示延续性的时间状语。,如：for+时间段,since+时间点,I have been to America,since,d,1998.,I have got the car,for,d,five years.,情态动词+动词原形,can,must,may 等都是情态动词，不能独立做谓语，需和实义动词连用。变一般疑问句时将情态动词直接提前至句首。,I can open the box.(变一般疑问句),Can you open the box?,Robert:Whats this,Dad?William:Its Apple 2.Its a very,early,computer.In fact,(,事实上,),its,the first,Personal Computer,ever,(,曾今,),.It,came onto the market,（面世）,in 1977.Where did you find it?,the first,第一,the second,第二,the third第三,Where,特殊疑问词，在哪,PC:personal computer,个人电脑,第一台个人电脑是,apple,公司制造的,Apple,（苹果电脑）是美国著名老牌计算机公司，成立于,1977,年，是个人电脑最早的倡导者和著名生产商。它所生产的苹果系列电脑，包括,iMac,，,PowerMac,，,ibook,，,Powerbook,等产品线的众多硬件产品，一直是个人电脑市场的主流产品之一，并曾提出过很多新概念，其产品也掀起过多次流行潮，风行一时。目前，苹果电脑电脑公司在全球几十个国家建立了分公司或代表机构，其产品也行销全世界,.,Robert:Mum,found,it in a box in the,attic,(,阁楼,),.William:Oh,then its,mine,!Its been there for years.In fact,its been there,since we moved into this house,!,find-found,发现,Mine=my thing,Its been=it has been,现在完成时,have/has+,动词过去分词,现在完成时：,Have/has+,动词过去分词,表示动词发生在过去，持续到现在或对现在产生影响，后接表示延续性的时间状语。,如：,for+,时间段,since+,时间点,I have been to America,since,d,1998.,I have got the car,for,d,five years.,six month,three years,Sunday,ten o clock,last weekend,a long time,1996,January,for,for,since,since,Robert:Does,it,still,（仍然）,work?William:I dont know Ah,there you are,!Can you hear,the hard disk,（硬盘）,?,Can,是情态动词，表示能够，有能力做某事。,Can+,动词的原形，变一般疑问句时将,Can,提前至句首。,情态动词,+,动词原形,can,must,may,等都是情态动词，不能独立做谓语，需和实义动词连用。变一般疑问句时将情态动词直接提前至句首。,I can open the box.(,变一般疑问句,),Can you open the box?,Robert:Is that,noise,（噪音）,the hard disk?It,sounds like,a lawnmower,(,割草机,)!,William:It is,noisy,（吵闹的，嘈杂的,）,!It,hasnt been,out of its box,for twenty years,!,sound like,听起来像,noise,名词,噪音,noisy,形容词,有噪声的,for+,时间段,Robert:What can you do,with,it?William:Good question!Its just,a museum piece,（古董）,really.,Its,only,got,five Megabytes,（兆）,hard disk,space,(,空间,),.,Robert:Five Megabytes!Thats nothing!,（太微不足道了）,Its got=it has got(has got,有,),William:I know.It,was,already a museum piece,when I bought it,and that,was,a long time ago,.Maybe,（也许）,Im a museum piece now,too!,is was,过去式,buy bought,when I bought it,当我买它的时候,（过去时间，用过去时,),a long time ago,很久以前,（过去时间，用过去时）,现在完成时,VS,一般过去时,Homework,1.,看,DVD,第,4,单元，并跟读；,2.P28,单词每个抄写一遍，朗读三遍并记忆，要求会默；背诵,26-27,的任选三段课文。,4.,练习册做,Unit4,部分。,Homework,1.看DVD第4单元，并跟读；2.P28单词每个抄写一遍，朗读三遍并记忆，要求会默；背诵26-27的任选三段课文。4.练习册做Unit4部分。,