九年级英语上册 Chapter 2 Computers Reading课件 牛津沈阳版.ppt

chapter2computersreading whatdoweusethemtodo themonitor thekeyboard thefloppydiskandthecd om themouse thespeakers themainunit weuse themonitorshowswordsandpictures youusethekeyboardfortypingininformation thefloppydiskandthecd omstoreinformation themousehelpsyoutocontrolthecomputer wecanhearthesoundfromthespeakers themainunitcontainsallthecomputer selectronics weputdisksintothedrivesinthemainunit let sknowaboutcomputers readtogether whatcancomputersdraw whatimportantjobscancomputersdo theremaybetinycomputersinyourhome givesomeexamples whatthingscanahumanbraindobetterthanacomputer whosejobsmaycomputersdobetterthanpeopleinthefuture howmaycomputerschangeourlivesalotinthefuture canyouanswerthesequestions canyouanswerthesequestions whatcancomputersdraw diagramsandgraphs whatimportantjobscancomputersdo operatingrailways flyingaeroplanes flyingspaceships theremaybetinycomputersinyourhome givesomeexamples insideyourtvset telephonewashingmachine canyouanswerthesequestions whatthingscanahumanbraindobetterthanacomputer whosejobsmaycomputersdobetterthanpeopleinthefuture howmaycomputerschangeourlivesalotinthefuture creatingnewideas adoctor s judges teacher sjob wemayhavenothingtodo doyouknowwherecomputersmaybe theymaybeinsidesomemachinesinourhomes computersarehiddenhelpers notsomanyyearsago youhardlyeversawcomputers nowtheyareeverywhere hardlyever几乎不 他几乎不吃肉 hehardlyevereatsmeat hereandthere i havebreakfastinthemorning it sbadformyhealth a usuallyb alwaysc hardlyeverd often seldom theremayalsobetinyhiddencomputersinyourhomethatyouareunawareof 1 doyouthinktherearesome viruses 病毒 inyourcomputer hide beunawareof不知道的 没察觉到的beawareof注意到 shewasunawareofthedanger 他没意识到危险 don tknowabout hidden theremaybeoneinsideyourtvset telephoneorwashingmachine there oneinsideyourtvset telephoneorwashingmachine maybeshewillcome itmaybetrue somaybeyoudependoncomputersmorethanyourealize childrendependontheirparentsforfoodandclothing 小孩依赖他们的父母供给衣食 v 意识到understand need maybe is heisareporter he depends dependson computersinhiswork thestudents theimportantoflearningenglishalready realizeb hasrealizedc realizedd haverealized dependson whatkindofjobscanacomputerdo theycandoimportantjobslikeflyingspaceships itiscommonknowledgethatcomputersaresupercalculators 众所周知的事情 computersaresupercalculators theycancalculateveryfastandtheycandothecalculationaccurately somethingknownbymostpeople theycancalculateveryfastandrarelygivewronganswers adv 很少 表否定 seldom 他年纪大了 很少外出 heisoldandrarelygoesout ourhistoryteacherisverypopularbecausehe giveswronganswers rare theycanalsotype printanddrawthingslikediagramsandgraphs rarely simpledrawing theycanteachyouandplaygameswithyou moreimportantly theycanoperaterailways liketheunderground andflyaeroplanesandspaceships makeitwork forthesereasons weoftencallthemelectronicbrains operate还常常作不及物动词用 作 动手术 解 常与介词on连用 itwassaidthatthedoctoroperatedontheinjuredmanyesterday 据说医生昨天给那位受伤的人作了手术 icalledhimlastnight theteachercalledoutthechildren snames let scallonjohn atjohn shouse 表示看望或拜访某人 后接介词on或upon 表示到某地拜访 后接介词at arecomputersatpresentclevererthanpeople theanswertothisquestionis forthetimebeing no yourbraincanunderstandthemeaningofthingsbetterandcreatenewideas however onedaycomputersmaybeabletodomostthingsthatahumanbraincandoanddothembetter theymaybebetterthandoctors judgesandteachersatdoingtheirjobs ifthis