剑桥国际英语教程2册Unit-7

Unit7What’sthisfor?BrainstormmachinesandmoderninventionsTelephone,cellphone,creditcards,TV,CDs,laptop,computer,videogames.MatchCellphonePocketcalculatorMicrowaveovenWorldwidewebTelephoneansweringmachine19451949197019791989Whatdoyouuseyourcomputerfor?PlaygamesBuythingsDoresearchInfinitivesandgerundsforusesandpurposesInfinitives:To+verb(do)例:Iusemycomputertosende-mails.我用电脑来玩游戏Iusemycomputertoplaygames.Gerunds:For+V-ING(doing)例:Iusemycomputerforsendinge-mails.我用电脑来玩游戏Iusemycomputerforplayinggames.注：语法部分第二句为被动语态，会在unit11学习到ComputersareoftenusedtopaybillsComputersareoftenusedforpayingbillsBeusedfor/to被用来做某事ExerciseSatelliteRobotDNAfingerprintingCD-ROMTransmitTextmessageCriminal卫星机器人DNA指纹图谱/分析只读光盘驱动器传输短信犯罪WordpowerDiscdriveGeek,technophileHackerMonitorMouseSurfthenetHardware光盘驱动技术宅黑客显示器鼠标上网硬件WordpowerPeoplewhoare‘into’computersTypesofhardwareGeekHackertechnophileWhizDiskdriveKeyboardMonitorMouseFunthingstodowithacomputerThingstodowithmouseBrowseWebsitesPlaygamesScanphotosSurfthenetCutandpasteDouble-clickDraganddropHighlighttextListeningForty-twopercentofthepopulationneverusestheInternet.Olderpeople,peoplelivinginruralareas,thosewhoareworriedaboutprivacy,orwhothinktheInternetisn’tnecessaryintheirlifedon’tusetheInternet.ListeningArepeoplewhoaskotherstosende-mailsorbrowseWebsitesforthem.ArepeoplewhoonceusedtheInternet,butdon’tanymore.PeoplemaybecomeInternetdropoutsbecausetheydon’thaveacomputeranymore,don’thaveenoughtime,oraren’tinterestedConversationWhoownsthecellphone?Whoaretheycalling?What’sthefirstthingtodo?Whatshouldthewomanpress?ConversationCanIborrowyourphone?Jenny:CanIborrowyourphonetocallmyboss?Richard:Ican’tyoustilldon’thaveacellphone.Hereyougo.Jenny:Thanks.Now,whatdoIneedtodo?Richard:Firstofall,besuretoturniton.Anddon’tforgettodialtheareacode.Jenny:OK,Icanseethenumber,butIcan’thearanything.Richard:That’sbecauseyouhaven’tpressedthe‘call’button.Jenny:Oh,good.It’sringing.Richard:Trynottogettooexcited.You’llprobablygethisvoicemail.Jenny:You’reright.It’sarecording.Richard:Makesuretohitthe‘end’buttonorelseyou’llleaveourconversationonhisvoicemail!ImperativesandinfinitivesforgivingsuggestionsBesureto确定Don’tforgetto别忘了Tryto尝试Trynotto试着别Makesureto确保Verb.(动词原形)