unit3reading.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,*,Who,am,Computers,key,door,board,pocket,loud,talker speaker box,m,ouse,p,rinter,main,man,men,board,monitor medal,hard,disk disco dish,中央处理器,A C B P V U,flash fly,disk,MP3,player singer,modem,modern,monitor,(1)the part of the computer that looks like a television.,(2)You can,download,and,take the information with you.,(3)something you use to,click,(4)the part of the computer that you type on.,(5)the part of a computer that,stores,information.,(6)The part of computer that we can hear,Work out the names,flash disk,mouse,keyboard,hard disk,loudspeaker,Fast reading,1.,Who am,I,?,Who was,the first person,to make the earliest computer?,A.,Alan Turing,B.,Charles Babbage,C.,Charles Turing,3.When was the“,universal machine,”built?,A.,In 1822,B.,In 1642,C.,1936,computer,(B),(c),1642,1936,The computer began as a,1822,Alan Turing wrote a book to describe how computers,could be made to work as a“”,Changes in time,development,1940s,1960,1970s,now,The computer had grown as large as a room.,The first family of computers was connected by a network.,Computers were used in offices and homes.,Computers connect people all over the world together.,The was made by Charles Babbage.,calculating machine,analytical machine,universal machine,()A PC,(),analytical machine,(),calculating,machine,()laptop,()universal,machine,()robot,1,2,3,4,5,6,Changes in function,1._,(earlier),2._,(in the past),3._,(modern),not very big,huge,smaller and thinner,Changes in size,Main idea:,This is a short history of the _of computers in,order,development,Topic sentences:,Para 1,Para2.,Para 3,time,Over time I have been changed quite a lot.,These changes only became possible as my memory improved.,Since the 1970s many new applications,have been found for me.,Listening task,I began as a _ machine in 1642 in France.In 1822 I was built as an _ machine.Then in 1936 Alan Turing wrote a book and built a _ machine.As the years have_ _,I have been made _.There were times when my size _ changed.And my memory became _ large _ I couldnt believe it.In the 1960s they gave me a family_ by a network.I was able to _with others through the World Wide Web.Since the 1970s many new applications _ for me.,calculating,analytical,smaller,universal,gone by,totally,so,that,connected,share my knowledge,have been found,What can you use,computers to do?,Computer and Internet,type my homework,draw pictures,play games,communicate with my friends.,gather information for my lessons,listen to music,watch movies,How do you use computers and the Internet?,1.Help to do homework,2.Play computer games,3.Send e-mails,4.Listen to music,5.See movies,6.Chat(,聊天,),7.Search for information,8.Do shopping,9Learn computer skills,Yes,No,I often use a computer to,I sometimes use it to,and I never use it to,*,communicate with friends,*listen to the music,*see films,*watch news,*play games,*do shopping,*save a lot of time,*,abandon(,沉迷于,)to the,computer games.,*give away information,*use the computer wrongly,*spread bad information,*rely on it too much,*waste time for study,*be used to being alone,*,*,*,Advantages Disadvantages,Summary:what have we learned?,1.some words about computers.,2 the development of computers,3.use computer correctly.,Homework,Recite Para one,