2020版高考英语一轮复习Unit3Computers课时作业（含解析）新人教版必修2

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1、Unit3Computers课时作业Ⅰ.阅读理解A(2019·郑州模拟)Asourcellphonesgetsmarter，smallerandfaster，andenableuserstoconnectathighspeedstotheInternet，anobviousquestionarises:isthemobilehandsetintothenextcomputer?Inonesense，italreadyhas.Today'smostcomplicatedmobilephoneshavethep

2、rocessingpowerofamid－1990sPCwhileusing100timeslesselectricity.Andmoreandmoreoftoday'smobilephoneshavecomputer－likefeatures，allowingtheirownerstosende－mails，browse(浏览)theWebandeventakephotos?84millionmobilephoneswithdigitalcameraswereshippedlastyear.Weaskth

3、equestionwhethermobilephoneswilleverovershadoworreplacethePC，andtheissuesuddenlybecomesquestionable.PCsupporterssaymobilephonesaretoosmallandconnecttooslowlytotheInternettobecomeeffectiveattasksnowperformedonthelargescreensandkeyboardsoftoday'scomputer.Fan

4、softhemobilephonesrespond:justwait.Comingtechniqueswillsolvethelimitationofthemobilephone.“Oneday，twoorthreebillionpeoplewillhavecellphones，andtheyarenotgoingtohavePCs，”saysoneinventorofthesmartphoneandthechieftechnologyofficerofanimportantsmartphonecompan

5、y.“Themobilephonewillbecometheirdigitallife.”Theinventor'sanewestproduct，theshiny，slimpocket－sizecellphone，hasatinykeyboard，abuilt－indigitalcameraandnarrowopeningsforaddedmemory.Thesmartphonemarketmakesuponlyfivepercentofoverallmobilephonesalestoday，butthe

6、figurehasbeendoublingeachyear.IntheUnitedStates，it'sthebusinesscrowdthat'sprimarilybuyingthesehandsets.“Whatmakesthesmartphonesomuchbetterthanthecomputeristhatit'salwayswithyou，alwaysupandalwaysready，”saysoneofthem，whoworksinan80－memberlawfirm，whichrecentl

7、ystartedgivingitslawyerssmartphonesinsteadoflaptops.【文章大意】　本文是一篇议论文，针对手机将来是否会取代电脑，不同的人群有不同的观点。作者认为手机的发展前景很乐观。1．What'stheauthor'sattitudetowardwhetherthemobilephonecanbeturnedintothenextcomputertosomeextent?A．Indifferent.　B．Disapproving.　　C．Supportive.　D．Ne

8、gative.【答案】　C　推理判断题。根据第一段anobviousquestionarises:isthemobilehandsetintothenextcomputer?Inonesense，italreadyhas.第二段Comingtechniqueswillsolvethelimitationofthemobilephone.和Themobilephonewillbecometheirdigitalli