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*,Unit 3 Computers,1,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,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 2,scanning,Read the text quickly and find out the history of computers.,5,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,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,The development of computers:,Calculating machine,Analytical machine,Universal machine,PC,Laptop,Robot,8,Task 3,Detail reading,Find the topic sentence of each paragraph and the supporting details.,9,10,Over time I have been,changed quite a lot.,Calculating machine,analytical machine,universal machine,PC,laptop,11,These changes only became possible as my memory improved.,tubes,transistors,chips,network,World Wide Web,12,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,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,Task 4,Discuss,& speaking,What can we do on a computer in our daily life?,15,search for some information,watch movies,16,listen to music,read books/ magazines,17,send emails to friends,Download files,18,Do shopping on line,play games,19,draw pictures,look at photographs,20,Do homework,Communicate/chat with my friends.,21,do homework,draw pictures,play games,communicate with my friends,Search for some information,listen to music,watch movies,Shopping online,.,22,Interview,23,Thank,you!,24,
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