Unit3+Computers+单元练测人教版必修2.docx

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.