高中英语 M2 unit3 Computers 课件 新人教版必修2 课件VIP免费

WarmingupWarmingupUnit3ComputersWarmingupSpeaking&WritingUnit3ComputersWarmingupSpeaking&WritingFollowme:Yourgift:laptop(笔记本垫/电脑)What’snext?Whatdotheyhaveincommon?WhatisacomputerAtooloramachineNeedelectricityBeusedtodealwithdatas……Computersaremachinesthatcanbeusedforperformingcalculationsautomatically.Theycanperformcomplexandrepetitiveproceduresquickly,preciselyandreliablyandcanquicklystorelargeamountsofdata.CD/DVD-ROMCRTmonitorLCDmonitorLCDmonitorCPUharddisc/diskchips/motherboardkeyboardmousemodemfloppydiscUSBflashdisc1243561.monitor2.screen3.CD-ROM4.mouse5.keyboard6.harddiskLabeleachpart1Amonitoris2Thescreenis3Akeyboardis4Amouseis5ACD-ROMis6Aharddiskis(a)thepartofacomputerthatstoresinformation.(b)thepartofthecomputerthatyoutypeon.(c)thepartofthecomputerthatlookslikeatelevision(d)somethingyouusetoclickonthings(files,etc.).(e)thepartofthemonitorthatyoulookat.(f)Themaindevicethatacomputerusestostoreinformation.Matchthewordswiththeirmeanings.otherusefulwordsandexpressionsaboutcomputerNetwork网络Website站点Program程序Virus病毒Hacker黑客Download下载Software软件Hardware硬件Upload上传Homepage主页Password密码Desktop桌面Username用户名Whatcanwedowithcomputer/internet?schoolworkgamesemailsmusicandfilmschatinformationphotosshoppingInternetAskandanswerquestionsingroups.functions1.usecomputerforschoolwork2.playgamesonthecomputer3.sendemailstofriends4.surftheWebforfun5.downloadmusicandfilms6.chatonline7.searchforinformation8.lookatphotographs9.doshoppingonlineHowdoyouusecomputersandtheInternet?B/HBH?Why?Wecannotonlyteachourselvesbetterbutimproveourlearningefficiency.Somestudentsthinkofitawayofrelaxing,evensomeofthemconsiderplayingcomputergamescanraisetheirspeedofthoughts.Butifwecannotcontrolourselvesproperly,wewillbelostinit,whichcanbringusmuchsuffering.belostin/beaddictedto（对…上瘾）Forusstudents,iscomputermorebeneficialormoreharmful?Computer,FriendorEnemyPara1:BriefintroductionofInternetandpeople’sdailylife.(Nowadays,Internetisaroundeverycornerofourdailylife./ThepastfewyearshasseenthefastdevelopmentofInternetwhichhasinfluencedourdailylife…)Para2:Somepeopleconsideritasafriend,why?Para3:Otherpeopletreatitasanenemy,why?Para4:Whatisyouropinion?WhatattitudeshouldwehavetowardsInternet?UsefulSentencesIthinkthat…Inmyopinion…Ibelievethat…Itiscomputerthat…Use…properly