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Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,11/7/2009,#,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,*,Unit 3 Computers,1,Unit 3 Computers1,Before reading,Try to put these inventions in an order according to the time when they appeared.,(make a prediction in your mind),()analytical machine,()laptop,()calculating machine,()robot,()PC,()universal machine,Pre-reading(P17),2,Before reading,Try to put t,Connection?,3,Connection?3,Task 1,Skimming,1.,Who is the speaker in this story?,A computer.,2.,Whats the,main idea,of the text?,A.The computer wants to find“who he is”.,B.The function of the computer.,C.The computer becomes popular,around the world.,D.The,changes,and the applications,of the,computer.,A tip:,The key words in the text may help you to summarize the main idea of the text.,4,Task 1 Skimming1.Who is,Task 2,scanning,Read the text quickly and find out the history of computers.,5,Task 2scanningRead the text qu,Many new _have been found.,1642,1822,Now,1936,1960s,1970s,The computer began as a_.,The _was built by Charles Babbage.,_wrote a book about how computers could be made to work as a_,.,The first family of computers was connected to each other by_,First as a _and then as a _,Computers were used in offices and homes.,The history of computers:,1940s,The computer had grown_.,Timeline,What happened?,calculating machine,analytical machine,Alan Turing,universal machine,as large as a room,a network.,applications,PC,laptop,6,Many new _have bee,Before reading,Try to put these inventions in an order according to the time when they appeared.,()analytical machine,()laptop,()calculating machine,()robot,()PC,()universal machine,Pre-reading(P17),7,Before reading,Try to put t,The development of computers:,Calculating machine,Analytical machine,Universal machine,PC,Laptop,Robot,8,The development of computers:C,Task 3,Detail reading,Find the topic sentence of each paragraph and the supporting details.,9,Task 3Detail reading Find th,10,10,Over time I have been,changed quite a lot.,Calculating machine,analytical machine,universal machine,PC,laptop,11,Over time I have been Calculat,These changes only became possible as my memory improved.,tubes,transistors,chips,network,World Wide Web,12,These changes only became,Since the 1970s many new applications have been found for me.,communications,finance,trade,4.robots,5.mobile phones,6.medical operations,7.space rockets,13,Since the 1970s many new ap,A topic sentence tells us the main idea of a paragraph.,A topic sentence is usually the first or last sentence of a paragraph.,summary,14,summary14,Task 4,Discuss,&speaking,What can we do on a computer in our daily life?,15,Task 4 Discuss What can,search for some information,watch movies,16,search for some informationwat,listen to music,read books/magazines,17,listen to musicread books/mag,send emails to friends,Download files,18,send emails to friendsDownload,Do shopping on line,play games,19,Do shopping on lineplay games1,draw pictures,look at photographs,20,draw pictureslook at photograp,Do homework,Communicate/chat with my friends.,21,Do homeworkCommunicate/chat wi,do homework,draw pictures,play games,communicate with my friends,Search for some information,listen to music,watch movies,Shopping online,.,22,do homeworkdraw picturesplay g,Interview,23,Interview23,Thank,you!,24,Thankyou!24,
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