2022年河南省信阳市大学英语6级大学英语六级知识点汇总（含答案）

2022年河南省信阳市大学英语6级大学英语六级知识点汇总（含答案）学校:________班级:________姓名:________考号:________

一、2.ReadingComprehension(SkimmingandScanning)(20题)1.

Traditionalmediaoutletssuchas______maystillhoaxtheiraudiencesnowadays.

2.TheGulfoilspillisdifferentfromanyotheroilcatastropheinthat______.

A.itinvolvesaworld-renownedfirm

B.ithasalimitedshorelineimpact

C.thesurfaceoftheoceanwasn'taffected

D.theoilwasreleasedintodeepseas

3.

Consideringchanceopportunities,unluckypeopledon'thavebecausethey______.

A.havemissedalotofchances

B.arebornwithmisfortune

C.havelittleabilitiestodealwithproblems

D.havenochanceactually

4.

In1944,governmentofficialswereinterestedinFuller'sfamilydwellingbecauseitcouldbe______.

5.Thesecondparagraphmainlyindicatesthat______.

A.notesandcoinsplayalessimportantrolethanbefore

B.cashstilldominatestheeconomiclifeinthesociety

C.wedon'tneedasmuchmoneyinflowasgoodsvalue

D.therearemanyinconveniencesincashtransactions

6.

Whichofthefollowingprovidesdinnercruisesnow?

A.ThePotomacRiver

B.BostonHarbor

C.TheChicagoRiver

D.TheMississippiRiver

7.

Alternativesentencingisnowpracticedin______siatesandisspreadingfast.

8.

Youneedtounplugtheelectricblanketbeforeyougotobed,becauseeventhoughthereisno______whentheyareturnedoff,theremaystillbeahighelectricfield.

9.

WelearnthatthenumberofIndianfarmersisover200times______.

10.

Adversarieswouldhavegreatdifficultydeterminingthetypeofforceapproachingbecauseof______.

11.

Themainreasonwhyanorganiccompoundisvitalisthat______.

12.TheSciencethatImitatesNature'sMechanisms

AEuropeanindustrialistnotlongagobecameverysuspiciousaboutAmericanpurposesandintentionsincertainareasofscientificresearch.HelearnedbychancethattheUnitedStateswassigningcontractswithscientistsinEngland,France,Italy,Germany,Belgium,Sweden,Uruguay,Chile,Argentina,Australia,andothercountries,callingforresearchintosuchmattersasthefunctionofthefrog'seyeandthelearningabilityoftheoctopus.

Itseemedtotheindustrialistthatsuchstudiescouldnotpossiblyhaveanypracticalvalue.HeseriouslybelievedthattheUnitedStateswasemployingtheforeignscientiststodomeaninglessworkandoccupytheirtime,whileAmericanscientistswerebusyinthereallyimportantareasofscience.HewasunawareofthefactthattheUnitedStateswasspendingmuchmoremoneyathomethanabroadforsimilarstudies.

Naturedoesthingsbetterthanpeople

Actually,theresearchhequestionedinvolvesafieldofsciencesonewthatmostpeoplehaveneverheardofit.Namedbionicsin1960,thisscienceisthestudyoflivingcreatures,astudyinsearchofprincipleapplicabletoengineering.Naturehasoperatedavastlaboratoryfortwobillionyears,andbionicsprobesthesecretsofthemarvelous"special-purpose"mechanismsthathavedeveloped.

Takethefrog'seyeforexample.Afrogeatsonlyliveinsects,anditseyeinstantlyspotsamovingflywithinreachofitstongue.Youcansurroundafrogwithdead(thereforemotionless)flies,anditwillneverknowtheyarethere.

Ifwecancompletelyunderstandthemechanicofthefrog'seye,wecandevelopa"mapreadingeye"formissilesanda"pattern--recognitioneye"forourbasicairdefensesystemcalledSAGE(semi-automaticgroundenvironment).SAGEisbadlyoverworked.Itsinternationalnetworkofradar"EYES"suppliesatremendousmassofunimportantdetailsaboutmeteorites,clouds,flightsofducks,geese,andfriendlyplanes,anditsometimesgetsconfused.Untilwecanbuildamechanicalfrog'seyeintoSAGE,itwillremainsomewhatinefficient.

Militaryandcivilianuses

Thefrog'seyeholdspromiseincivilianlife,too.Forexample,atmostmajorairportstheairtrafficproblem--with20millionflightsperyeartohandle--hasreachedacriticalstage.Wemustdevelopbetterdevicesformonitoringandcontrollingairtraffic.

Special-purposemechanismasexcitingasthefrog'seyecanbefoundthroughoutnature.Thebatisunderstudybecausethebat'ssonarismuchmoreefficientthanman-madesonar.Bybouncingsupersonicsqueaksoffobjectsaroundhim,thebatfliesaboutwithremarkableskills.Abatcanflythroughadarkroomstrungwithdozensofpianowiresandnevertouchasinglewire.

ThemosquitoisunderstudybecauseweneedtosolvetheproblemofStaticthatlessenstheefficiencyofourcommunicationssystems.Amosquito,simplybyvibratingitswings,cansetupahumthatwillcutthroughanyinterferingnoise(manornaturecancreateloudwhistlesorthunder,forinstance)andgiveamessagetoanothermosquito150feetaway.

Electricalsystem

Theoreticallyatleastweshouldbeabletocopythesemechanismsfoundinnature,forallbiologicalorganisms-frommosquitotofrogtoman--areinpartactuallyelectricalsystems.Thesenseorgansthat"connect"allanimalstotheoutsideworldaremerelytransducers--instrumentslikeamicrophone,TVcamera,orphonographpickuparm--whichconvertoneform.ofenergyintoanother.Amicrophone,forexample,convertssoundintoelectricalsignalswhicharecarriedtoaloudspeakerandconvertedbackintosoundwaves.Similarly,thenervecellsofaman'searconvertacryforhelpintoelectricalpulseswhicharespedoverhisnervoussystemtothebrain.Thebrainreceivesthes

A.YB.NC.NG

13.ContrarytotheopeningupofFacebook,theThunderbirdcanmakeusersminimize______.

14.TheTruthaboutLying

I'vebeenwantingtowriteonasubjectthatintriguesandchallengesme:thesubjectoflying.I'vefounditverydifficulttodo.EveryoneI'vetalkedtohasaquiteintenseandpersonalbutoftenratherintolerantpointofviewaboutwhatlieshecanandcannevertell.I'vefinallyreachedtheconclusionthatIcan'tpresentanyultimateconclusions,fortoomanypeoplewouldpromptlydisagree.Instead,I'dliketopresentaseriesofmoralpuzzles,allconcernedwithlying.I'lltellyouwhatIthinkaboutthem.Doyouagree?

SocialLies

MostofthepeopleI'vetalkedwithsaythattheyfindsociallyingacceptableandnecessary.Theythinkit'sthecivilizedwayforfolkstobehave.Withouttheselittlewhitelies,theysay,ourrelationshipswouldbeshortandnasty.It'sarrogant,theysay,toinsistonbeingincorruptibleandsobravethatyoucauseotherpeopleunnecessaryembarrassmentorpainbycompulsivelypresentingthemwithyourhonesty.Ibasicallyagree.Whataboutyou?

Willyousaytopeople,whenitsimplyisn'ttrue,"Ilikeyournewhairdo,""you'relookingmuchbetter,""It'ssonicetoseeyou,""Ihadawonderfultime"?Willyoupraiseuglypresentsanduglykids?

Andeventhough,asIdo,youmaypreferthepoliteevasionof"Youreallycookedastorm"insteadof"Thesoup"—whichtastelikewarmed-overcoffee—"iswonderful,"willyou,ifyoumust,proclaimitwonderful?

There'sonemanIknowwhoabsolutelyrefusestotellsociallies."Ican'tplaythatgame,"hesays,"Fmsimplynotmadethatway."Andhisanswertotheargumentthatsayingnicethingstosomeonedoesn'tcostanythingis,"Yes,itdoes--itdestroysyourcredibility."Myfrienddoesnotindulgeinwhathecalls"flattery,falsepraiseandsweetcomments".Whenotherstelllieshewillnotgoalong.Hesaysthatsociallyingislying,thatlittlewhiteliesarestilllies.Andhefeelsthattellingliesismorallywrong.Whataboutyou?

Peace-keepingLies

Manypeopletellpeace-keepinglies;liesdesignedtoavoidirritationorargument;liesdesignedtosheltertheliarfrompossibleblameorpain;liesdesignedtokeeptroubleatbaywithouthurtinganyone.

Itelltheseliesattimes,yetIalwaysfeelthey'rewrong.Iunderstandwhywetellthem,butstilltheyfeelwrong.AndwheneverIliesothatsomeonewon'tdisapproveofmeorthinklessofmeoryellatme,IfeelI'mabitofacoward,IfeelI'mdodgingresponsibility,Ifeelguilty.Whataboutyou?

Doyou,whenyouarclateforadatebecauseyouoverslept,sayyou'relatebecauseyougotcaughtintrafficjam?

Doyou,whenyoudidn'trememberthatitwasyourfather'sbirthday,saythathispresentmustbedelayedinthemail?

Finally,doyoukeepthepeacebytellingyourhusbandliesonthesubjectofmoney?Andingeneraldoyoufindyourselfready,willingandabletolietohimwhenyoumakeabsurdmistakesorloseorbreakthings?

ProtectiveLies

Protectiveliesareliesfolkstell—oftenquiteseriouslies--becausethey'reconvincedthatthetruthwouldbetoodamaging.Theyliebecausetheyfeeltherearecertainhumanvaluesthataremoreimportantthanthewrongofhavinglied.Theylie,notforpersonalgain,butbecausetheybelieveit'sforthegoodofthepersonthey'relyingto.Theylietothosewhotrustthemmostofall,onthegroundsthatbreakingthistrustisjustified.

Theymaylietotheirchildrenonmoneyormaritalmatters.

Theymaylietodyingaboutthestateoftheirhealth.

Isometimestellsuchlies,butI'mawarethatit'squitepresumptuoustoclaimIknowwhat'sbestforotherstoknow.That'scalledplayingGod.That'scalledmanipulationandcontrol.Andwenevercanbesure,oncewestarttoju

A.YB.NC.NG

15.

______chatroomuserswillproceedtomeetfacetoface.

16.Nowadaysemployersoftenaskquestionsdesignedto______.

A.findtheinterviewees'shortcomings

B.findthesolutionsofthecompany'sproblems

C.maketheintervieweesrealizetheyneedtolearnmore

D.discovermoreaboutintervieweeandthewaytheintervieweereacttodifferentsituations

17.

Whichofthefollowingiscrucialtotriggeranewstateofthoughts?

A.Repeatingpositiveaffirmationsoverandoveragain

B.Repeatingpositiveaffirmationssubconsciously

C.Readingpositivestatementswithemotion

D.Readingpositivestatementswithskepticism

18.

Afterninemonths,individualtemperamentsbecame______asthebabies□schedulesbecameestablished.

19.

WhenyouclickonalistingontheeBayWebsite,yourcomputerfirstcommunicatesto______.

A.searchservers

B.Webservers

C.applicationservers

D.storageservers

20.

75percentofthepressureonjointscanbereducedifyouswim______.

二、3.ListeningComprehension(20题)21.(17)

A.Itisquiteunexpected.

B.Shehasalreadygotthenews.

C.Shehasconfidenceintheman.

D.Itisnotexcitingtolearnaboutit.

22.听力原文：Itisoftensaidthatthegrassisalwaysgreenerontheothersideofthefence.Perhapsthisiswhysomepeoplefrequentlymovearound,lookingforbetterjobs,houses,andsoon.Nodoubtitispossibletomakesomeadvantagesinthisway,butIbelievethatstayinginoneplace,puttingdownrootsinonecommunity,alsohasmanyadvantages.ThatiswhyIwouldprefertospendmylifeinoneplaceratherthanceaselesslymovingaroundsearchingforperfection.

OneadvantageofspendingalifetimeinthesamecommunityisthatIcanenjoylongrelationshipwithmyfriendsandneighbors.Astheserelationshipsmature,myneighborsandIwillcometotrustanddependoneachothermore.Insuchacommunity,Iwillneverneedtoworrywhenintrouble;thereisalwaysahelpinghandnearby.Anotheradvantageisthatwhenweliveinthesamecommunitywewillcaremoreabouttheneighborhoodandworkhardtoimproveit.Thiscreatesanicerplaceforeveryonetolive.Finally,whileweshouldneverstoptryingtoimproveourselves.Itissometimesbettertoappreciatetheadvantageswealreadyhavethanconstantlyseekingmore.Apersonwhoisalwaysseekingwillneverbecontent.

Inbrief,Iwouldprefertohaveapermanenthomeinonecommunityratherthancontinuouslyuprootmyselfandmyfamilyinsearchofsomethingbetter.Ibelievethatwhenwecareabouttheplacewherewelivewecanalwaysfindawaytoimproveitandourselves.InthefutureIwillremembertoappreciatethegrassonmysideofthefence.

(30)

A.Apersonwhoisalwaysseekingwillneverbecontent.

B.Wecareabouttheplacewherewelive.

C.Thegrassisalwaysgreenerontheothersideofthefence.

D.Itissometimesbettertoappreciatetheadvantageswealreadyhavethanconstantlyseekingmore.

23.

【B4】

24.(25)

A.Peoplewillaccumulatelessmoneytosupportthemselves.

B.Peoplewillbedeprivedofacoupleofproductiveyears.

C.Peoplewilldiscoverthelifeisplainandboringafterretirement.

D.Peoplewillnotgetallofthepensions.

25.(46)

26.听力原文：W:Hi,Burt.Iheardyou'relookingforanewjob.Howisitgoing?

M:Ijusthadaninterviewyesterday.IthinkIdidwell.Thedirectorseemedtolikeme.TheysaidtheywouldmakeadecisionbythisFriday.IbelieveIhaveaverygoodchance.

Q:Whatdoesthemanthinkofhisinterview?

(17)

A.Hewillprobablyfail.

B.Thechanceishalf-and-half.

C.Hewillprobablygetthejob.

D.Heisnotsatisfiedwiththeoffer.

27.(44)

28.

【B7】

29.听力原文：Interviewer:GoodmorningMr.Pitt.Dositdown.Firstofall,Mr.Pitt,Iknowthatyou'vegotAlevelsatschool.Whatsubjectsdidyoutake?

Pitt:Itookfoursubjects,French,German,chemistryandart.Chemistrywasn'tmycupoftea,butarthasalwaysbeen.

Interviewer:Isee.NowMr.Pitt,whatabouthobbiesandinterests?Er,whatdoyoudoinyoursparetime?

Pitt:Ilikejazz,traditionalandfolkmusic.Idon'tplayofcourse,butIgotoquiltalotofconcertsandIgotothetheateroccasionallyandactabitmyself.I'minthelocalGermanicsociety.IreadquiltalotandI'vedoneabitofphotography.Also,I'vehitchhikedtoEuropeonce.

Interviewer:Veryinteresting.Mr.Pitt.Nowlet'stalkaboutthemanagementtraineescheme.Whatexactlydoyouthinkamanagerdoes?

Pitt:Idon'tknowagreatdealaboutthework.

Interviewer:Butyouhavegotanyideasaboutit,haveyou?Youmusthavethoughtaboutit.

Pitt:Well,Isupposehehasalotof...a...whatiscalledpolicymakingtodo.And...hehastoknowhowtoworkwithpeople,andallaboutthecompany.Yes,I...shouldthinkamanagermustknowsomethingaboutallaspectsofthework.

Interviewer:Yes,that'srightNow,Mr.Pitt,isthereanythingyouwanttoaskme?

Pitt:Well,there'soneortwothings.I'dliketoknowifIhavetosignacontractandwhatthesalaryandprospectsare.

Interviewer:Withourscheme,Mr.Pitt,thereisnocontractinvolved.Yourprogressiskeptunderconstantreview.Ifweatanytimedecidewedon'tlikeyou,thenthat'sthat.Wereservetherighttodismissyou.

Pitt:Fairenough.Andwhataboutthesalary?

Interviewer:Asforsalary,you'llbeonourfixedscales,startingat870pounds.Forthesuccessfultrainee,theprospectsareverygood.

(20)

A.ArtB.FrenchC.GermanD.Chemistry

30.(36)

A.TimeB.Memory.C.Habit.D.Text-book.

31.(19)

A.Dentist.B.Physician.C.Physicist.D.Surgeon.

32.SectionA

Directions:Inthissection,youwillhear8shortconversationsand2longconversations.Attheendofeachconversation,oneormorequestionswillbeaskedaboutwhatwassaid.Boththeconversationandthequestionswillbespokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,youmustreadthefourchoicesmarkedA,B,CandD,anddecidewhichisthebestanswer.

(12)

A.Becausehereadstoomanybooks.

B.Tolearnhowtoseparatetheimportantfromtheunimportant.

C.Tobewell-informed.

D.Becausehealwayswasteshistime.

33.听力原文：M:Ow！Thathurts!

W:Whathappened?Didyoucutyourself?.

M:Yes—ontheedgeofthispaper.Howcansuchalittlecuthurtsomuch?I'mnotevenbleeding,butmyfingerreallyhurts.

W:Youknow,Ireadsomethingaboutthat.Itturnsoutthatalittlecutonafingercanhurtalotmorethanabigcutsomewhereelse.

M:Why?Thatdoesn'tmakeanysense.

W:Actually,itdoes.Therearemorenerveendingsinyourhandsthanalmostanywhereelseinthebody,andit'sthenerveendingsthatallowyoutofeelpain.

M:Iguessthat'strue.

W:Also,alittlecutlikeyourswon'tdamagethenerveendings,justirritatethem.Iftheyweredamaged,you'dfeellesspain,butthewoundcouldbemoreserious.

M:SoIsupposeIshouldbehappymyfingerhurtssomuch?

W:Right.Nowgogetyourselfbandage.

M:Why?Youjusttoldmeit'snotserious.

W:It'snot,butitdoesseemtobebotheringyou.Puttingabandageoverthecutwillkeeptheskinfromdryingandwillhelpkeeptheskintogether.Iftheskinstaystogether,thenerveendingswon'tbeexposed,andthecutwillhurtless.

(24)

A.Howmuchthecuthurt.

B.Howdeepthecutwas.

C.Howeasilyhewascut.

D.Howconcernedthewomanwas.

34.(21)

A.Besidethedoor.

B.Onthedesk.

C.Inherhands.

D.Nearthedesk.

35.

【B2】

36.

【B3】

37.【B5】

38.(39)

39.(32)

A.HecanstaywithhisrelativesintheUS.

B.Hecanplayhide-and-seekwithAmericanboys.

C.Hemusthaveatemporaryhomeandgotoschool.

D.HeshouldbesentbacktoCuba.

40.听力原文：[32]Inthepastindustrieshadmorefreedomthantheyhavenow,andtheydidnotneedtobeascarefulastheymusttoday.Theydidnotneedtoworryalotaboutthesafetyofthenewproductsthattheydeveloped.Theydidnothavetopaymuchattentiontothehealthandsafetyofthepeoplewhoworkedforthem.Oftennewproductsweredangerousforthepeoplewhousedthem;oftenconditionsintheworkplacehadverybadeffectsonthehealthoftheworkers.

Ofcoursesometimestherewererealdisasterswhichattractedtheattentionofgovernmentandwhichshowedneedforchanges.Alsoscientistswhoweredoingresearchintothehealthoftheworkerssometimesproducedinformationwhichgovernmentscouldnotignore.Atsuchtimes,therewereinquiriesintothecausesofthedisasterortheproblems.Newsafetyruleswereoftenintroducedasaresultoftheseinquiries;[33]however,thenewrulescametoolatetoprotectthepeoplewhohaddiedorbecomeseriouslyill.

Todaymanygovernmentshavespecialdepartmentswhichprotectcustomersandworkers.IntheU.S.,forexample,thereisadepartmentwhichtestsnewairplanesandgiveswarningsaboutpossibleproblems.Italsomakestherulesthataircraftproducersmustfollow.Anotherdepartmentcontrolsthefoodsanddrugsthatcompaniessell.[34]Athirddepartmentlooksattheplaceswherepeoplework,andthenreportsanycompaniesthatarebreakinglawswhichprotectthehealthandsafetyofworkers.

(33)

A.Theywerecontrolledlessstrictlybytheauthorities.

B.Theytreatedtheirworkersmorehumanely.

C.Theycompletelyignoredconsumers'health.

D.Theyturnedoutmoreunhealthyproductsatwill.

三、4.ReadingComprehension(ReadinginDepth)(20题)41.

【C3】

42.

WhichisthereactiontakentocopewithGoogle'schallenge?

A.Likingpagesbythemes.

B.CombingtherivalsofGoogle.

C.Developingspreadsheetswithbetterfunctions.

D.Theadditionofhumanisticconsiderationtoarithmeticrules.

43.SectionB

Directions:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD.Youshoulddecideonthebestchoice.

Racket,dinclamor,noise.Whateveryouwanttocallit,unwantedsoundisAmerica'smostwidespreadnuisance.Butnoiseismorethanjustanuisance.Itconstitutesarealandpresentdangertopeople'shealth.Dayandnight,athome,atwork,andatplay,noisecanproduceseriousphysicalandpsychologicalstress.Nooneisimmunetothisstress.Thoughweseemtoadjusttonoisebyignoringit,theear,infact,neverclosesandthebodystillresponds—sometimeswithextremetension,astoastrangesoundinthenight.

Theannoyancewefeelwhenfacedwithnoiseisthemostcommonoutwardsymptomofthestressbuildingupinsideus.Indeed,becauseirritabilityissoapparent,legislatorshavemadepublicannoyancethebasisofmanynoiseabatement(消除)programs.Themoresubtleandmoreserioushealthhazardsassociatedwithstresscausedbynoisetraditionallyhavebeengivenmuchlessattention.Nevertheless,whenweareannoyedormadeirritablebynoise,weshouldconsiderthesesymptomsfairwarningthatotherthingsmaybehappeningtous,someofwhichmaybedamagingtoourhealth.

Ofthemanyhealthhazardsrelatedtonoise,hearinglossisthemostdearlyobservableandmeasurablebyhealthprofessionals.Theotherhazardsarehardertopindown.Formanyofus,theremaybeariskthatexposuretothestressofnoiseincreasessusceptibilitytodiseaseandinfection.Themoresusceptibleamongusmayexperiencenoiseasacomplicatingfactorinheartproblemsendotherdiseases.Noisethatcausesannoyanceandirritabilityinhealthypersonsmayhaveseriousconsequencesforthosealreadyillinmindorbody.

Noiseaffectsusthroughoutourlives.Forexample,thereareindicationsofeffectsontheunbornchildwhenmothersareexposedtoindustrialandenvironmentalnoise.Duringinfancyandchildhood,youngstersexposedtohighnoiselevelsmayhavetroublefallingasleepandobtainingnecessaryamountsofrest.

Why,than,istherenotgreateralarmaboutthesedangers?Perhapsitisbecausethelinkbetweennoiseandmanydisabilitiesordiseaseshasnotyetbeenconclusivelydemonstrated.Perhapsitisbecausewetendtodismissannoyanceasapricetopayforlivinginthemodernworld.Itmayalsobebecausewestillthinkofhearinglossasonlyanoccupationalhazard.

Thephrase"immuneto"(Line3,Para.1)areusedtomean______.

A.unaffectedby

B.hurtby

C.unlikelytobeseenby

D.unknownby

44.

Itcanbeinferredfromthetextthatpublicservices______.

A.havebenefitedmanypeople

B.aretinimpropersubjectforhumor

C.arethefocusofpubhcattention

D.haveoftenbeenthelaughingstock

45.OneoftheproblemsthattheWestfacesnowis______.

A.impossibleeconomicrecovery

B.debt-draggedgovernments

C.fiscalbreakdown

D.extremelyhighinflation

46.

【C7】

47.

Thewriter'sattitudetowardsscienceis______.

A.criticalB.approvingC.neutralD.regretful

48.

Whichofthefollowingcanbeinferredfromthelastparagraph?

A.Everyonewouldliketowidentheirculturalscopeiftheycan.

B.Theobstaclestoovercomingculturalparochialismlieinmainlypeople'shabitualwayofthinking.

C.Aslongasoneisbroughtupinacertainculture,hecannotbewithoutbiasinmakingculturalevaluations.

D.Childhoodisanimportantstageincomprehendingculture.

49.SectionA

Directions:Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinthebankisidentifiedbyaletter.Pleasemarkthecorrespondingletterforeachitemwithasinglelinethroughthecenter.Youmaynotuseanyofthewordsinthebankmorethanonce.

Theconceptofobtainingfreshwaterfromicebergsthataretowedtopopulatedareasandaridregionsoftheworldwasoncetreatedasajokemoreappropriatetocartoonsthanreallife.Butnowitisbeing【C1】______quiteseriouslybymanynations,especiallysincescientistshavewarnedthatthehumanracewill【C2】______itsfreshwatersupplyfasterthanitrunsoutoffood.

Glaciersareapossible【C3】______offreshwaterthathasbeenoverlookeduntilrecently.ThreequartersoftheEarth'sfreshwatersupplyisstilltiedupinglacialice,areservoirof【C4】______freshwatersoimmensethatitcould【C5】______alltheriversoftheworldfor1,000years.Floatingontheoceanseveryyearare7,659trillionmetrictonsoficeencasedin10,000icebergsthatbreakawayfromthepolaricecaps,morethanninetypercentofthemfromAntarctica.

Hugeglaciersthat【C6】______overtheshallowcontinentalshelfgivebirthtoicebergsthroughouttheyear.Icebergsarenotlikeseaice,whichisformedwhentheseaitselffreezes,rather,theyareformed【C7】______onland,breakingoffwhenglaciersspreadoverthesea.Astheydriftawayfromthepolarregion,icebergssometimesmovemysteriouslyinadirection【C8】______tothewind,pulledbysubsurfacecurrents.Becausetheymeltmoreslowlythansmallerpiecesofice,icebergshavebeenknowntodriftasfarnorthas35degreessouthoftheequatorintheAtlanticOcean.Tocontrolthemand【C9】______themtopartsoftheworldwheretheyareneededwouldnotbetoodifficult.

The.difficultyarisesinothertechnicalmatters,suchasthepreventionofrapidmeltinginwarmerclimatesandthefunneling(传送)offreshwatertoshoreingreatvolume.Buteveniftheicebergslosthalfoftheirvolumeintowing,thewatertheycouldprovidewouldbefarcheaperthanthatproducedbydesalinization(脱盐),or【C10】______saltfromwater.

A)removing

B)stretch

C)deriving

D)entirely

E)untapped

F)resource

G)outgrow

H)opposite

I)approximately

J)considered

K)similar

L)source

M)ensured

N)sustain

O)steer

【C1】______

50.

Itwasbelievedthatthemostseriousconsequencespoiledchildrenwouldhavetofacewhentheygrewupwas______.

51.

Accordingtotheauthor,thealphastatehasbeenshowntobe______.

A.unmeasurable

B.abriefburstofactivityinthebrain

C.unpleasantforsomepeople

D.comtrollable

52.

Whatareevilconsequencesforchildreniftheirfamiliesnolongerperform.nurturingandsupportingfunction?

A.Highrateofsuicide.G)Loneliness.

B.Pooracademicperformanceatschool.

C.Loneliness.

D.Poorhumanrelationship.

53.Thewordscienceisheardsoofteninmodemtimesthatalmosteverybodyhassomenotionofitsmeaning.Ontheotherhand,itsdefinitionisdifficultformanypeople.Themeaningofthetermisconfused,buteveryoneshouldunderstanditsmeaningandobjectives.Justtomaketheexplanationassimpleaspossible,supposescienceisdefinedasclassifiedknowledge(facts).

Eveninthetruesciencesdistinguishingfactfromfictionisnotalwayseasy.Forthisreasongreatcareshouldbetakentodistinguishbetweenbeliefsandtruths.Thereisnodangeraslongas'acleardifferenceismadebetweentemporaryandprovedexplanations.Forexample,hypothesesandtheoriesareattemptstoexplainnaturalphenomena.Fromthesepositionsthescientistcontinuestoexperimentandobserveuntiltheyareprovedordiscredited(使不相信).Theexactstatusofanyexplanationshouldbeclearlylabeledtoavoidconfusion.

Theobjectivesofscienceareprimarilythediscoveryandthesubsequ