Unit3+Computers+单元练测人教版必修2.docx
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Unit3+Computers+单元练测人教版必修2.docx
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Unit3+Computers+单元练测人教版必修2
Unit3Computers
单元练测卷
(一)
(时间:
90分钟满分:
120分)
Ⅰ.单项填空(共15小题;每小题1分,满分15分)
1.Whiletherearesomedifferencesintheeducationalsystemsinmanycountriesintheworld,educationis_______.
A.regularB.universal
C.logicalD.normal
2._______manyotherwomen,shewasreallylucky.
A.ComparingtoB.Comparedto
C.ComparetoD.Tobecompared
3.PerhapsI’mnotquitefitforthejob,but_______pleaseletmehaveatry.
A.infactB.anyhow
C.soD.otherwise
4.In_______,hebegantolearnRussian,whenhewasin_______.
A.1970;the50’sB.the1970;his50s
C.the1
970s;hisfiftiesD.1970s;hisfifties
5.Hetriedtogoawaywithoutbeingnoticedbytheteacher,butluck_______him.
A.wentwithB.wentagainst
C.wentalongD.wentover
6.His_______expressionsuggestedthathe_______goodnews.
A.excited;haveB.exciting;had
C.excited;hadD.exciting;have
7._______,youwillgetusedtothelifehereandhaveyourunderstandingoflife.
A.AstimegoingbyB.Withtimepassingout
C.AstimegoesbyD.Withtimegoesby
8._______thehelpoftheteacher,thestudentwhowasn’tgoodatmath_______thedifficultproblemquickly.
A.Under;workedoutB.With;workedon
C.Under;solvedD.With;solved
9.Thepoliceman_______thechildrentocrosstheroadwhenthetrafficlightsturnedgreen.
A.letB.made
C.signaledD.called
10.Nowadays,nosinglecountrycansuccessfully_______theglobalproblemsalone.
A.makeuseofB.dealwith
C.comeupwithD.gothrough
11.Heprovedhimselfatruegentlemanandthebeautyofhis_______wasseenatitsbestwhenheworkedwithothers.
A.advantageB.appearance
C.qualificationD.character
12.Happybirthday,Jane!
Soyouhave_______twentyalready.
A.becameB.turned
C.grownD.passed
13.Beingabletospeakanotherlanguagefluentlyisagreat_______whenyouarelookingforajob.
A.assistanceB.chance
C.advantageD.importance
14.Thenewstoryiswrittenin_______easyEnglish_______evenbeginnerscanunderstandit.
A.such;thatB.so;that
C.such;asD.too;that
15.Peoplemayhave
differentopinionsaboutKaren,butIadmireher._______,sheisagreatmusician.
A.AfterallB.Asaresult
C.InotherwordsD.Asusual
Ⅱ.完形填空(共20小题;每小题1分,满分20分)
Ioncehadateacherwhosehusbanddiedsuddenlyofheartattack.Aboutaweekafterhisdeath,she__16__someofherthoughtswithaclassroomofstudents.Asthelateafternoonsunlightshone__17__theclassroomwindows,andwhentheclasswasnearlyover,she__18__afewthingsasideontheedgeofherdeskandsatdown.
Witha__19__lookonherface,shepausedandsaid,“__20__classisover,I'dliketosharewithallofyouadeep__21__whichIfeelisveryimportant.Eachofusisputhereon__22__tolearn,share,love,appreciateandgiveofourselves.__23__ofusknowswhenthisfantasticexperiencewill__24__.Itcanbetakenawayatanymoment.PerhapsthisistheGod’s__25__oftellingusthatwemustmakethe__26__ofeverysingleday.”
Hereyeswerebeginningto__27__,butshewenton,“SoIwouldlikeyoualltomakemea__28__:
Fromnowon,onyourwaytoschool,oronyourwayhome,findsomethingbeautifulto__29__.Itdoesn’thavetobesomethingyousee.Itcouldbea__30__offreshlybakedbreadfloatingoutofsomeone’shouse,oritcouldbethesoundofthesoft__31__rustling(使发出沙沙声)theleavesinthetrees…Pleaselookforthesethings,and__32__them,foratanytimetheycanallbetakenaway…”
Theclasswascompletely__33__.Weallpickedupourbooksandwentoutoftheroomsilently.That__34__,Iobservedmanymorebeautifulthingsonmywayhomefromschoolthanusual.
Remember:
Lifeisnot__35__bythenumberofbreathswetake,butbythemomentsthattakeourbreathaway.
16.A.learnedB.shared
C.arguedD.discussed
17.A.ontoB.into
C.acrossD.through
18.A.movedB.brushed
C.sweptD.pulled
19.A.surprisedB.worried
C.gentleD.strange
20.A.AfterB.Unless
C.BeforeD.If
21.A.feelingB.understanding
C.loveD.memory
22.A.businessB.time
C.dutyD.earth
23.A.NoneB.All
C.EachD.Neither
24.A.happenB.begin
C.endD.gain
25.A.wayB.signal
C.planD.arrangement
26.A.leastB.worst
C.lowestD.most
27.A.acheB.water
C.shineD.dry
28.A.promiseB.choice
C.wishD.rule
29.A.buyB.enjoy
C.takeD.learn
30.A.smellB.gift
C.tasteD.sight
31.A.windB.hand
C.lightD.color
32.A.getB.appreciate
C.hideD.follow
33.A.puzzledB.excited
C.quietD.anxious
34.A.morningB.night
C.noonD.afternoon
35.A.wastedB.measured
C.savedD.lost
Ⅲ.阅读理解(共20小题;每小题2.5分,满分50分)
A
CaughtTwitteringoronFacebookatwork?
It’llmakeyouabetteremployee(雇员).AnAustralianstudyshowsthatsurfingtheInternetforfunduringofficehoursincreasesproductivity.
TheUniversityofMelbournestudyshowedthatpeoplewhousetheInternetforpersonalreasonsatworkareabout9percentmoreproductivethanthosewhodonot.StudyauthorBrentCoker,fromthedepartmentofmanagementandmarketing,said,“WorkplaceInternetleisurebrowsing(工作时的网络休闲),orWILB,helpedtosharpenworkers’concentration(集中员工注意力).”“Peopleneedtozoneoutforabittogetbacktheirconcentration,”Cokersaidontheuniversity’swebsite(www.unimelb,edu.au/).“Shortbreaks,suchasquicksurfoftheInternet,enablethemindtorestitself,leadingtoahighertotalnetconcentrationforaday’swork,andasaresult,increasedproductivity,”hesaid.
Accordingtothestudyof300workers,70percentofpeoplewhousetheInternetatworkengageinWILB.AmongthemostpopularWILBactivitiesaresearchingforinformationaboutproducts,readingonlinenews,playingonlinegamesandwatchingvideosonYouTube.
“Firmsspendmillionsonsoftwaretoblocktheiremployeesfromwatchingvideos,usingsocialnetworkingsitesorshoppingonlineunderthepretencethatitcostsmillionsinlostproductivity,”saidCoker.“That’snotalwaysthecase.”
However,Cokersaidthestudylookedatpeoplewhobrowsedinmoderation(适度浏览),orwereontheInternetforlessthan20percentoftheirtotaltimeintheoffice.“ThosewhobehavewithInternetaddiction(瘾)tendencieswillhavealowerproductivitythanthosewithout,”hesaid.
36.Whatdoesthepassagemainlytellus?
A.Whatweshoulddowithourleisuretime.
B.HowtosurftheInternetforfunduringofficehours.
C.WhyweshouldsurftheInternetforfunduringofficehours.
D.SurfingtheInternetforfunduringofficehourscanincreaseproductivity.
37.WhycansurfingtheInternetforfunduringofficehoursincreaseproductivity?
A.Workersaretiredofworkandwanttorest.
B.WorkerscanlearnsomeworkskillsontheInternet.
C.Itmakespeoplerelaxandhaveenoughenergytodoaday’swork.
D.Itcontributestoimprovingtherelationsbetweenbossesandworkers.
38.AllthefollowingstatementsaretrueEXCEPT__.
A.theresearchwasmadebytheUniversityofMelbourne
B.mostfirmsallowtheiremployeestousetheInternetforfunduringofficehours
C.mostpeoplewhoreceivetheresearchsurftheInternetforfun
D.popularWILBactivitiesarewatchingvideos,shoppingonlineandsoon
39.Fromthepassagewecanknowthat___.
A.theworkersengagedinWILBaren’tfitfortheirwork
B.BrentCokerisasuccessfulbosswhocanaccepttheresearchresults
C.surfingtheInternetlonghoursforfunwon’tcontributetoincreasingproductivity
D.themoretimeyouspendontheInternet,thehigherproductivityyoucanget
40.Whichsectionofanewspaperdoyouthinkthepassageistakenfrom?
A.Workandlife.
B.Healthanddiet.
C.Advertisements.
D.Scienceandtechnology.
B
“InonlysixdaysIlostsevenpoundsofweight.”
“Twofullinchesinthefirstthreedays!
”
Thesearethekindsofstatementsusedinmagazine,newspaper,radioandtelevisionads,promisingnewshapesandnewlookstothosewhobuythemedicineorthedevice.Thepromotersofproductssaytheycanshapethelegs,slimtheface,smoothwrinkles,orinsomeotherwaytoaddtobeautyordesirability.
Oftensuchproductsarenothingmorethanmoneymakingthingsfortheirpromoters.Theresultstheyproducearequestionable,andsomearedangeroustohealth.
Tounderstandhowtheseproductscanbelegally
promotedtothepublic,itisnecessarytounderstandsomethingofthelawscoveringtheirregulation.Iftheproductisadrug,FDA(FoodandDrugAdministration)canrequireproof(证明)undertheFood,Drug,andCosmeticActthatissafeandeffectivebeforeitisputonthemarket.Butiftheproductisadevice,FDAhasnoauthoritytorequirepremarketingproofofsafetyoreffectiveness.Ifaproductalreadyonthemarketisadangertohealth,FDAcanrequesttheproducerordistributortoremoveitfromthemarketvoluntarily,oritcantakelegalaction,includingseizure(查封)oftheproduct.
OnenotablecaseafewyearsagoinvolvedanelectricaldevicecalledtheRelaxacisor,whichhadbeensoldforreducingthewaistline.TheRelaxacisorproducedelectricalshockstothebodythroughcontactpads.FDAtooklegalactionagainstthedistributortostopthesaleofthedeviceonthegroundsthatitwasdangeroustohealthandlife.
Obviously,mostofthedevicesonthemarkethaveneverbeenthesubjectofcourtproceedings(法律诉讼),andnewdevicesappearcontinually.Beforebuying,itisuptotheconsumertojudgethesafetyoreffectivenessofsuchitems.
41.Itcanbeinferredthattheadsmentionedinthetextare___.
A.objectiveB.costly
C.unreliableD.illegal
42.WhichofthefollowingisTRUEaccordingtothetext?
A.
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