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1、Chapter2ComputersReadingWhatdoweusethemtodo?themonitorthekeyboardthefloppydiskandtheCD-OMthemousethespeakersthemainunitweuseThemonitorshowswordsandpictures.Youusethekeyboardfortypingininformation.ThefloppydiskandtheCD-OMstoreinformation.Themousehelpsyoutocontroltheco
2、mputer.Wecanhearthesoundfromthespeakers.Themainunitcontainsallthecomputer’selectronics.Weputdisksintothedrivesinthemainunit.Let'sknowaboutcomputers!ReadtogetherWhatcancomputersdraw?Whatimportantjobscancomputersdo?Theremaybetinycomputersinyourhome.Givesomeexamples.Wha
3、tthingscanahumanbraindobetterthanacomputer?Whosejobsmaycomputersdobetterthanpeopleinthefuture?Howmaycomputerschangeourlivesalotinthefuture?Canyouanswerthesequestions?Canyouanswerthesequestions?Whatcancomputersdraw?Diagramsandgraphs.Whatimportantjobscancomputersdo?Ope
4、ratingrailways.Flyingaeroplanes/FlyingspaceshipsTheremaybetinycomputersinyourhome.Givesomeexamples.InsideyourTVset/telephonewashingmachine.Canyouanswerthesequestions?Whatthingscanahumanbraindobetterthanacomputer?Whosejobsmaycomputersdobetterthanpeopleinthefuture?Howm
5、aycomputerschangeourlivesalotinthefuture?Creatingnewideas.Adoctor’s/judges/teacher’sjob.Wemayhavenothingtodo.Doyouknowwherecomputersmaybe?Theymaybeinsidesomemachinesinourhomes.Computersarehiddenhelpers.Notsomanyyearsago.youhardlyeversawcomputers.Nowtheyareeverywhere.
6、hardlyever幾乎不他幾乎不吃肉。Hehardlyevereatsmeat.hereandthereI___havebreakfastinthemorning.It’sbadformyhealth.A.usuallyB.alwaysC.hardlyeverD.oftenseldomTheremayalsobetinyhiddencomputersinyourhomethatyouareunawareof.1.Doyouthinktherearesome____viruses(病毒)inyourcomputer?(hide)
7、beunawareof不知道的,沒察覺到的beawareof注意到Shewasunawareofthedanger.他沒意識(shí)到危險(xiǎn)。don’tknowabouthiddenTheremaybeoneinsideyourTVset,telephoneorwashingmachine._____there___oneinsideyourTVset,telephoneorwashingmachine.Maybeshewillcome.Itmaybetrue.Somaybeyoudependoncomputersmorethanyour
8、ealize.Childrendependontheirparentsforfoodandclothing.小孩依賴他們的父母供給衣食。V.意識(shí)到understandneedMaybeisHeisareporter.He_________(depends,dep