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英语人教版必修2Unit3Computers单元检测Ⅰ.单项填空从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。1．—It'simpossibletolivewithoutcomputers!—______Myparentsneverusecomputersandthey'relivingahappylife.A．Whydoyouthinkso?B．Ican'tagreemore.C．What'swrongwithyou?D．Iamafraidso.2．Willyouplease______mybags？I'llgotobuyanewspaper.A．watchoverB．takecareC．lookforD．gothrough3．—Youvisitedthemanwhosavedyoursonyesterday?[来源:]—Yes.Iwantedtoexpressmythankstohim______.A．generallyB．personallyC．secretlyD．regularly4．—DidyougetthroughtoMrSmith?—Yes，butthe______wassoweakthatIcouldnotmakeoutwhathewassayingonthephone.A．signB．signalC．markD．remark5．WeareconsideringbuyinganewPDA，butwehaven'tdecidedhowto______theoldone.A．beginwithB．gooverC．watchoverD．dealwith6．—Mary'sbrotherhassuchhigh______thathehaslearnedthreelanguages.—Really？It'shardtobelieve.A．powerB．technologyC．characterD．intelligence7．Theboys______manytimesnottoswiminthatlake，butitdoesn'tmakeanydifference.A．havetoldB．toldC．havebeentoldD．werebeingtold8．—Whatdoyouthinkofourwork?—Theworkiswelldone______.A．inawayB．onthewayC．bythewayD．intheway9．ImaybebusyonSaturday，but______，IwillsparesometimetohaveafacetofacetalkwithPeter.A．besidesB．otherwiseC．anyhowD．instead10．Lotsofscientistsintheworldareworkinghardto______Mars.A．coverB．searchC．discoverD．explore11．Computertechnologyisdeveloping______rapidlythatnobookcaneverbefullyupto-date.A．veryB．suchC．soD．too12．Itwassometime______herealizedhismistakesandapologizedtohisfriendPeter.A．thatB．whenC．beforeD．while13．Hewas______blindasaresultofthetrafficaccident.[来源:]A．totalB．totallyC．completeD．whole14．TheHarryPotterbookhasbeen______byawriterbecauseitistoodifficultforstudentslearningEnglishforonlythreeyears.A．createdB．writtenC．simplifiedD．solved15．______timegoingby，StephoneHawking'stheoryprovedofgreatvalue.A．WithB．AsC．SinceD．WhileⅡ.完形填空阅读下面短文，掌握其大意，然后从16～35各题所给的四个选项(A、B、C和D)中，选出最佳选项。Kidsaregoingallovertheworldwithouteverleavingtheirschool.Theyareusingtheircomputers.Aschoolin__16__couldbethemost“wired”schoolinAmerica.TheyarewiredtotheInternet__17__theircomputers.Thirtystudentsareableto__18__theInterneteveryday.Thekidsare__19__thegradesofkindergartenandfifthgrade.Theteachersaysthatitishardtogetthem__20__fromthecomputers.Theydonot__21__wanttogoforarest.TheInternethas__22__theworldtomanypeople.Nowstudentscangotoanyplace__23__theearth.Theycanfind__24__，andtheycanvisitachildinanothercountry.LauraBaconlikesto__25__otherstudents.She'sgoingtoPeggy'sPage.PeggyisastudentinLondon，England.SheputsherownhomepageontheInternet.It__26__picturesofPeggy，herschool，hermom，herdadandherfriends.Youcan__27__hermail，too.Ascientisthelpedto__28__theschools.Hesaid，“Thereisaplanto__29__12thousandCaliforniaschoolstotheInternet.”WiringschoolsinCaliforniawill__30__alotofmoney.Itneedsthe__31__ofvolunteers，orschoolswillnotbeableto__32__it.Theythinkthatitwillcost__33__fiftybilliondollars.Somepeoplesaythatthemoneyshouldbespentonteachers__34__computers.Otherpeoplesaythatitwouldbe__35__themoneytoconnectalloftheclassrooms.16．A.LondonB．CaliforniaC．ParisD．NewYork17．A.onB．byC．throughD．in18．A.playB．lookC．callD．wire19．A.duringB．amongC．betweenD．over20．A.awayB．offC．downD．out21．A.everB．evenC．neverD．hardly22．A.gotB．gaveC．leftD．opened23．A.onB．inC．belowD．over24．A.informationB．messagesC．notesD．friends25．A.dropB．surfC．visitD．call26．A.includesB．bansC．coversD．concludes[来源:]27．A.receiveB．sendC．wantD．deliver28．A.visitB．buildC．wireD．reform29．A.takeB．bringC．tieD．connect30．A.spendB．costC．takeD．worth31．A.effortB．effectC．affectionD．affect32．A.offerB．coverC．affordD．give33．A.asfarasB．aslongasC．asmanyasD．asmuchas34．A.insteadofB．inplaceofC．becauseofD．inexchangefor35．A.worthofB．worthC．worthlessD．pricelessⅢ.阅读理解第一节阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。ATheInternetbringsusmanyadvantages.WiththeInternet,peoplecansendandreceiveemails.OntheInternet,peoplecanskimovernews.UsingtheTelnet,theuseranywhereontheInternetcanlogintoanyothermachineonwhichhehasanaccount.ItispossibletousetheFTPprogramtocopyfilesfromonemachineontheInternettoanother.ButtheInternetalsobringsustroubles.Internetuseseemstocauseafallinpsychological(心理的)health,accordingtoresearchatCarnegieMellonUniversity.EvenpeoplewhospentjustafewhoursaweekontheInternetexperiencedmoredepressionandlonelinessthanthosewhologgedonlessoften,thetwoyearstudyshowed.Anditwasn'tthatpeoplewhowerealreadyfeelingbadspentmoretimeontheInternet,butthatusingtheNetactuallyseemedtocausethebadfeelings.[来源:数理化网]Researchersarepuzzlingovertheresults,whichwerecompletelyoppositetowhattheyhadexpected.TheyexpectedthattheNetwouldprovesociallyhealthierthanthetelevision,sincetheNetallowsuserstochoosetheirinformationandtocommunicatewithothers.ThefactthatInternetusereducestimeusedforfamilyandfriendsmaybethereasonforthedropinhealth,researcherssaid.Faceless,bodiless“virtual”(虚拟的)communicationmaybelesspsychologicallysatisfyingthanactualconversations,andtherelationshipsformedthroughitmaynotbesodeep.AnotherpossibilityisthatexposuretothewiderworldthroughtheNetmakesuserslesssatisfiedwiththeirli