资源描述
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,Period 1,Warming up,Unit 3 Computers,A woman?,A handbag?,Computers,Riddles(,谜语,):,Who am I?,A woman?A handbag?ComputersRid,I am very old now.I was born in China.Many people used me for,calculating,计算,in the past,but now I am a bit lonely because they dont like me now.,Do you know who I am?,abacus,算盘,Riddles(,谜语,):,Who am I?,I am very old now.I was bo,I am very small.I can be used for,calculating,.In China,a lot of students use me when solving,mathematical,数学的,problems.,Do you know who I am?,calculator,Riddles(,谜语,):,Who am I?,I am very small.I can,I can be used for calculating.Besides,I can also be used for watching movie,sending e-mail and communicating through the Internet.However,I am not a PC,because Im small enough for you to take me with you.,notebook computer,Do you know who I am?,Riddles(,谜语,):,Who am I?,I can be used for calculat,A huge computer,A PC,the history of the computer,Palmtop,掌上电脑,laptop,手提电脑,abacus,caculator,A huge computerA PCthe history,How much do you know,about a computer?,Give the English name of the,following pictures of the,computer components(,组件,),How much do you know Give the,tube,transistor,samll chips,memory,My become so large that even I,couldnt believe it!,tubetransistorsamll chipsmemor,What is it in English?,Main board(,主板,),What is it in English?Main bo,What is it in English?,hard disc,硬盘,What is it in English?hard di,What is it in English?,CPU(central processing Unit),中央处理器,What is it in English?CPU(ce,What is it in English?,Keyboard(,键盘,),What is it in English?Keyboar,What is it in English?,Monitor,显示器,screen,What is it in English?Monitor,What is it in English?,mouse,鼠标,What is it in English?mouse,DVD ROM,DVD ROM,Heavy!,Difficult!,Hard!,Tired!,Heavy!,Easy!,Fast!,Free!,Easy!,keyboard,mouse,monitor,screen,speaker,host computer,主机,camera,keyboardmousemonitorscreenspea,monitor,screen,mouse,keyboard,hard disk,DVD-ROM,(1)the part of the computer that looks like a television.,(2)the part of the monitor that you look at.,(3)something you use to,click,on things(files,etc.),(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 put a CD in,.,Work out the names,monitor(1)the part of the com,Write out all the words you know about computers.,computer,monitor,click,software,search,update,download,Internet,keyboard,Write out all the words you,What do they have in common?,an abacus,a calculator,a desktop,a notebook computer,a laptop,What do they have in common?a,(What do they have,in common,?),I think that,In my opinion,I believe that,Whats your reason?,Why do you think so?,1.They can be used for calculating.,2.They can deal with,maths problems.,3.They are our friends.,4.They are useful and helpful.,Discussion,(What do they have in common?),Analytical machine,Charles Babbage,Alan Turing,Universal machine,T,uring machine,I began as a,caculating machine,in France in 1642.,It took nearly 200 years,before,I was built as an analytical machine by Charles Babbage,My true father Alan Turing wrote a book about how I could be made to work as a“universal machine”.,Analytical machine Charles Ba,Four a group read the article and tell the story.,Which story do you like best?,Four a group read the article,explore the Moon and Mars(,火星,),Applications,I was sent to,.,（应用）,explore the Moon and Mars(火星),carry things,fight in wars (,战斗,),I have been made to.,carry thingsfight in wars (,仿真机器人,entertainment,娱乐,What do you think will be the next application?,communicate,交流,I have also been put into robots and used to mobile phones,as well as,help with medical operation.,I have become very important in.,pregnant,communication,仿真机器人entertainmentWhat do you,keyboard,Modem,调制调解器,Scanner,扫描仪,Printer,打印机,Speaker,音响,keyboardModemScannerPrinter打印机,other useful words and expressions about computer:,Network,网络,Virus,病毒,Download,下载,Upload,上传,Program,程序,Website,站点,Hacker,黑客,Home page,主页,Password,密码,Desk top,桌面,User name,用户名,Click,点击,Software,软件,Hardware,硬件,Home page,主页,other useful words and express,Homework,预习,Reading,部分，,把新单词的翻译写到课文中去,Homework预习Reading部分，,
展开阅读全文