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2022-2023年廣東省湛江市大學英語6級大學英語六級重點匯總(含答案)學校:________班級:________姓名:________考號:________
一、2.ReadingComprehension(SkimmingandScanning)(20題)1.
Acopyrightprotectstheexpressionofanideathrough______thatisoriginaltotheauthor.
2.Theauthofeels______abouthumanity'sfinalvictoryinthecentury-oldbattleagainstback-pain.
3.WhatdidTimYoungsuggestdotoemployeesembarrassingco-workersbygivingtoomuchpersonalinformation?
A.Sackingthemonthespotfordoingso.
B.Forbiddingsensitivetopicsintheoffice.
C.Tryingtoredirecttheirattentiontowork.
D.Limitingtheirtimespentwithco-workers.
4.Oildegradationoccurringinthedeepseaismuch______comparedwiththatonthesurface.
5.UnderdevelopedPeople
TheIndianslivingonthehighplainsoftheAndesMountains,inSouthAmerica,haveabackgroundrichinhistorybutrichinlittleelse.ThesesevenmillionpeoplefromthegreatoldIndiannationsliveinalandoffewtrees,poorsoil,cuttingwindsandbitingcold.Theirfarmsdonotgiveenoughfoodtosupportthem.Theirchildrenfromtheageofthreeorfourmustworkinthefields.Thedeathrateoftheirbabiesisamongthehighestintheworld,theirstandardsofeducationamongthelowest.Theyliveatheightsoftenorfifteenthousandfeet,whereeventheairlacksthethingsnecessaryforlife.
TheneedsoftheseIndians,scatteredacrossthreecountries--Ecuador,PeruandBolivia--aregreat.Theirproblemsaredifficultandtheirdiseasesaredeeplyrootedinanold-fashionedwayoflife.Probablynosingleprogramofhelpcangreatlybettertheircondition.Healthprogramsarenogoodwithoutfarmprograms,andfarmprogramsfailwheretherehavebeennoprogramsofeducation.
FiveinternationalorganizationshavecombinedeffortstoseektheanswerstotheproblemsoftheunfortunatedescendantsoftheIncaIndians.TheyareworkingwiththegovernmentsofPeru,BoliviaandEcuadoronwhattheycalltheAndeanMission.Sixareashavebeenformed,oneeachinEcuadorandPeru,fourinBolivia.Heremethodsaretestedtoattackpooreducation,poorfood,poorlivingconditionsanddiseaseallatonce.
Wepassedfieldsoflowcornandthinwheat.Wholevillageswereatworkplantingpotatoes.Themenformedalineandwalkedslowlybackward,beatingthesoilwithsticks.Thewomen,onhandsandknees,followedthemen,breakingthehardearthwiththeirhands.Theirredandorangeskirtsflashedbrightlyinthesun.Thescenewasbeautiful,buttheland,seedsandcropswereallpoor.
Uponarrivingatavillage,wewenttovisittheschoolforcarpenters.Itwasinanoldbuildingwherethirtyboyswereattendingclasses.Thereweretwoclassroomscontainingcompletesetsoftools.Isawmoretoolstherethaninanycarpenter'sshopinLatinAmerica.Mostoftheboyswerecuttingboardsforpractice.Theyworkedsteadilyanddidn'tevenlookupwhenweentered.
Theteacherremarkedthatthegreatestproblematthemomentwasfindingwood,asalmostnotreesgrowonahighplain.Someoneremarkedthatitwouldnottakelongfortheschooltoproducetoomanycarpentersinanareawithouttrees,wheremostofthebuildingswereofstoneormud.Thewoodbroughtfromthejunglewastoocostlyformostofthepeople.Theanswerwasthattheoriginalpurposeoftheschoolwastotraincarpentersandmechanicstogotootherpartsofthecountry.Theywouldworkwherethegovernmentisdevelopingnewvillagesattheedgeofthejungle.
Acrossfromthecarpentry-roomtherewasamachineforproducingelectricpower.Withittheboyswouldbetaughttheirfirstlessonsinelectricity.Otherboysstudiedcarrepairing.
Intheyardagroupofboyssurroundedalargetractor.Theteacherwasshowingthemhowtooperateit.Noonewassurehowmanyothertractorstherewereinthearea.Guessesrangedfromtwototen.Iftheschoolturnedoutmoreboystohandlethemthanthefarmscoulduse,therest,itwashoped,wouldseekalivinginthelowervillageswheremorepeoplelived.
Thenextday,againstthecuttingwindsoftheBolivianmountains,weweregoingtoavillagethatistheoldestofthefourBolivianprojectsoftheAndeanmission.Behindus,acrossthevalley,rainfellfromtheblackcloudsbeyondthesnowymountain-tops.Thewindandrainbeatagainstthecaraswetraveledacrosstheopenfieldstocometotheyardofanoldfarm.
Mytriphadbeenpannedatthelastminute.Sincethevillagehasnotelegraphtotelephoneservices,noo
A.NB.YC.NG
6.
Thefiverwatermakesup______oftheEarth'stotalfreshwater.
A.lessthan0.5percent
B.nearly0.05percent
C.aboutthree-quarters
D.aboutonefour-thousandth
7.
ThewithdrawingofVioxxonlyledtosomeaccusationsaboutsomeotherpainrelievers.
A.YB.NC.NG
8.
TheUnitedStatesspendmuchmoremoneyonprogramstopreventdiseasesthanon______.
9.PartⅡReadingComprehension(SkimmingandScanning)
Directions:Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.Forquestions1-7,choosethebestanswerfromthefourchoicesmarkedA,B,CandD.Forquestions8-10,completethesentenceswiththeinformationgiveninthepassage.
Thinkout-of-the-box
Britishphysician,author,inventor,andconsultantEdwarddeBonohashadamajorimpactonthewaywethinkandparticularlyinthefieldofcreativity.Hecoinedthephrase"lateralthinking"(水平思考)whichinvolvesapproachingproblemsfromdiverse,unexpectedanglesandfromdifferentperspectives.Dr.deBonomeanttodifferentiatelateralthinking—inwhichyoupushthemindtomakesuddenturns-fromverticalthinking,whichislogicalandsequentialthinking.
Lateralthinkingcanbelearned,andDr.deBonohascreatedseveraltechniquestohelpyouapplylateralthinkingtoproblemsolvingandideageneration.Someofthesearethefollowing:thinkofasmanydifferentalternativesforsolvingaproblemasyoupossiblycan;challengeanyassumptionsyoumayhaveaboutyourproblem;andinsertrandomelementswhichwillencourageyoutolookattheproblemfromadifferentandunexpectedperspective.
Challengeyourassumptions
Assumptionsarementalshortcuts:weassumethatasituationwe'refacingislikeothersituationswe'veencounteredbefore,andthatwhatworkedthenwillworkonceagain.Infact,themoreexperiencedweareinaparticulararea,themorelikelyweareIobringlotsofbaggagetotheproblem,whichcaninhibitusfromfindingnovelandcreativesolutions.
Inordertochallengeyourassumptions,writedownallofthedominantideasthatapplytoaparticularsituationandthendeliberatelychallengethem.Listalloftheassumptionsthatyou'remakingandnexttoeachonewriteacounter-assumption—notnecessarilyitsnegation,butitsopposite.
Onceyoudroppreconceivednotionsyou'remorelikelytofindbettersolutions.Oneapproach—suggestedbyJurgenWolffonhisblogTimetoWriteistopretendthatyou'reaMartian(火星人)thathasjustlandedonearthandisseeingthingsonthisplanetforthefirsttime.Thiswouldputyouinapositionofquestioningeverything,seeingyourproblemorsituationwithcompletelyfresheyes,andtakingnothingforgranted.
introducerandomelements
Selectingarandomelementthathasabsolutelynoconnectiontotheproblemathandprovidesanunexpectedentrypointtotheproblemsothatyoucanfaceitfromauniqueangle.I'vementionedusingarandomwordasaninitialstimulusonthisblogbefore.DeBonoexplainsthatthebrainissogoodatmakingconnectionsthatitwillfindawaytoconnecttherandomwordtotheproblemathand,nomatterhowremotethewordmayseem.
Takeawordfromarandomwordgenerator—oropenthedictionarytoarandompageandselectaword—extractitsunderlyingprinciples,andthenapplythemtoyourproblem.Becarefulnottodiscardaspecificwordbecauseyousimplyconcludethatit'sofnouseandthengettinganotherwordinstead.Ifyoudothisyou'reprobablyjustlookingforawordthatwouldneatlyfittheproblemyou'retryingtosolve.Insteadofaword,youcanalsouseapictureastherandomelementorevenanobject.
Inaddition,therandomelementthatyouintroducecanbea"falserule".Basically,youtakearule,quote,ideaorsuggestionfromsomewhereelseandapplyittoyourownsituation.
Howdoesapplyingthe"falserule"toyourproblemmakeyouseeitdifferently?Whatnewelementsdoesitintroduce?Howdoesitshiftyourperc
A.Thedefinitionofcreativity.
B.TheachievementsofEdwarddeBono.
C.Theintroductionofthelateralthinkingtheory.
D.Thedifferencebetweenlateralthinkingandverticalthinking.
10.TheInterview
AttheDemobilizationCentre,aftertheusualroundofmedicalinspection,returnofserviceequipment,andissueofallowancesandcivilianclothing,Ihadbeeninterviewedbyanofficerwhosejobwastoadviseoncareers.OnlearningthatIhadasciencedegreeandvariedexperienceinengineeringtechnology,heexpressedtheopinionthatIwouldhavenodifficultyinfindingagoodcivilianjob.Industrywasreorganizingitselfforpost-warproductionandtherewasalreadyanurgentdemandforqualifiedtechnologists,especiallyinthefieldofelectronics,whichwasmyspecialinterest.Ihadbeenverymuchencouragedbythis,asIhadmadeapointofkeepingupwithnewtrendsanddevelopmentsbyborrowingbooksthroughtheCentralLibrarySystem,andbysubscribingtovarioustechnicaljournalsandmagazines,soIfeltquiteconfidentofmyabilitytoholddownagoodjob.HehadgivenmealetterofintroductiontotheHigherAppointmentsOfficeinTavistockSquare,London,andsuggestedthatIcallonthemassoonasIhadsettledmyselfin"digs"andhadenjoyedashortholiday...
Shortlyaftermyreturn,IvisitedtheAppointmentsOffice,whereIwasinterviewedbytwocourteous,impersonalmenwhoquestionedmecloselyonmyacademicbackground,servicecareerandexperienceinindustry.IexplainedthataftergraduatingIhadworkedfortwoyearsasaCommunicationEngineerfortheStandardOilCompanyattheirArubaRefinery,earningenoughtopayforpostgraduatestudyinEngland.AttheendoftheinterviewtheytoldmethatIwouldbenotifiedofanyvacanciessuitabletomyexperienceandqualifications.TwoweekslaterIreceivedaletterfromtheAppointmentsOffice,togetherwithalistofthreefirms,eachofwhichhadvacanciesforqualifiedCommunicationEngineers.Ipromptlywrotetoeachone,statingmyqualificationsandexperience,andsoonreceivedveryencouragingreplies,eachwithaninvitationtoaninterview.EverythingwasworkingverysmoothlyandIfeltontopoftheworld.
IwasnervousasIstoodinfrontoftheHeadOfficeinMayfair;thisfirmhadahighinternationalreputationandthethoughtofbeingassociatedwithitaddedtomyexcitement.Anyway,Ireasoned,thiswasthefirstoftheinterviews,andifIfailedheretherewerestilltwochancesremaining.Theuniformedattendantpolitelyopenedthelargedoorsforme,andasIapproachedthereceptionist'sdeskshesmiledquitepleasantly.
"Goodmorning."Herbrowswereraisedinpoliteenquiry.
"Goodmorning,"Ireplied,"MynameisBraithwaite.IamhereforaninterviewwithMr.Symonds."
Ihadtakenagreatdealofcarewithmyappearancethatmorning.Iwaswearingmybestsuitwiththefightshirtandtieandpockethandkerchief;myshoesweresmartlypolished,myteethwerewellbrushedandIwaswearingmybestsmile--allthishadpassedtheverycriticalinspectionofMr.andMrs.BelmontwithwhomIlived.ImightevensaythatIwasquiteproudofmyappearance.Yetthereceptionist'ssmilesuddenlydisappeared.Shereachedforalargediaryandconsulteditasiftoverifymystatement,thenshepickedupthetelephoneand,cuppingherhandaroundthemouthpieceasifforgreaterprivacy,spokerapidlyintoit,watchingmestealthilythewhile.
"Willyoucomethisway?"Shesetoffdownawidecorridor,herbackstraightandstiffwithadisapprovalwhichwasechoedinthetap-tapofherhighheels.
Attheendofthecorridorweenteredanautomaticlift;thegirlmaintainedasilenthostilityandavoidedlookingatme.Atthesecondfloorwesteppedoutintoapassageontowhichseveralroomsopened;pausingbrieflyoutsideoneofthemshesaid"Inthere,"andquicklyretreatedtothelift.Iknockedonthedoorandenteredaspaciousroomwherefourmenwereseatedatalargetable.
A.YB.NC.NG
11.
Thelivingstandardsofeverymemberofthesocietydependonhisorheremployers'abilityto______.
12.
Justlikefatigueandweakness,depressionisonesymptomof______.
13.
WhenSusanCoxwasadopted,shewasraisedintheAmericanwayhappily.
A.YB.NC.NG
14.
Theresultsofcensushavealwaysbeenthecompromiseofcertaingroupsofinterest.
A.YB.NC.NG
15.WhyPopMusicSoundsPerfect?
Ifyouhaven'tbeenlisteningtopopradiointhepastfewmonths,you'vemissedtheriseoftwoseeminglyopposingtrends.Inamediuminwhichmediocresinginghasneverbeenabartoentry,alotofpopvocalssuddenlysoundgreat.Betterthangreat:note-andpitch-perfect,asifthere'sbeenanunspokentighteningofstandardsatrecordlabelsoranevolutionaryleapinthedevelopmentofvocalcords.Attheotherextremeareafewhip-hopsingerswhoalsohittheirnotesbutwithaprecisionsoexaggeratedthatonfirstlisten,theirsongssoundcomicallyartificial,likeachorusof50srobotssingingMotown.
Theforcebehindbothtrendsisaningeniousplug-incalledAuto-Tune,adownloadablestudiotrickthatcantakeavocalandinstantlynudgeitontothepropernoteormoveittothecorrectpitch.It'slikePhotoshopforthehumanvoice.Auto-Tunedoesn'tmakeitpossibleforjustanyonetosinglikeapro,butusedasitscreatorintended,itcantransform.awaveringperformanceintosomethingtechnicallyflawless."Rightnow,ifyoulistentopop,everythingisinperfectpitch,perfecttimeandperfecttune,"saysproducerRickRubin."That'showubiquitousAuto-Tuneis."
Auto-Tune'sinventorisamannamedAndyHildebrand,whoworkedforyearsinterpretingseismicdatafortheoilindustry.Usingamathematicalformulacalledautocorrelation,Hildebrandwouldsendsoundwavesintothegroundandrecordtheirreflections,providinganaccuratemapofpotentialdrillsites.It'satechniquethatsavesoilcompanieslotsofmoneyandallowedHildebrandtoretireat40.Hewasdebatingthenextchapterofhislifeatadinnerpartywhenaguestchallengedhimtoinventaboxthatwouldallowhertosingintune.Afterhetinkeredwithautocorrelationforafewmonths,Auto-Tunewasborninlate1996.
Almostimmediately,studioengineersadopteditasatradesecrettofixflubbednotes,savingthemtheexpenseandhassleofhavingtoredosessions.ThefirsttimecommonearsheardAuto-Tunewasontheimmenselyirritating1998Cherhit"Believe."Inthefirstverse,whenChersings"Ican'tbreakthrough"asthoughshe'sstandingbehindanelectricfan,that'sAuto-Tune--butit'snotthewayHildebrandmeantittobeused.Theprogram'sretunespeed,whichadjuststhesinger'svoice,canbesetfromzeroto400."Ifyousetitto10,thatmeansthattheoutputpitchwillgethalfwaytothetargetpitchin10milliseconds,"saysHildebrand."Butifyouletthatparametergotozero,itfindsthenearestnoteandchangestheoutputpitchinstantaneously"--eliminatingthenaturaltransitionbetweennotesandmakingthesingersoundjumpyandautomat-ed."Ineverfiguredanyoneintheirrightmindwouldwanttodothat,"hesays.
LikeothertrendsspawnedbyCher,thecreativeabuseofAuto-Tunequicklywentoutoffashion,althoughitcontinuedtobeanindispensable,ifinaudible,partoftheengineer'stoolbox.Butin2003,T-Pain(FaheemNajm),alittle-knownrapperandsinger,accidentallystumbledontotheChereffectwhileAuto-Tuningsomeofhisvocals."Itjustworkedformyvoice,"saysT-PaininhisnaturalTallahasseedrawl."Andtherewasn'tanyoneelsedoingit."
Sincehis2005debutalbum,T-Painhassentadozenslightlyraunchy,mechanicallycheerysinglesintotheTop10.HecontributedtofournominatedsongsatGrammyAward2009,andhisinfluenceisstillspreading.WhenKanyeWestwaslookingforaneffecttomatchsomeheartbrokenlyrics,heflewT-PaintoHawaiitoseehowmanywaystheycouldtweakAuto-Tune.Diddygaveapercentageofhisupcomingalbum'sprofitstoT-Paininexchangeforsomelessons.EvenPrinceisrumoredtobeexperimentingwithAuto-Tuneonhisnewrecord."Iknow[Auto-Tune]betterthananyone,"saysT-Pain."AndevenI'mjustfiguring
A.Vocalcords.B.Hip-hopsingers.C.Motown.D.Auto-Tune.
16.
OneoftheresultsofthefrugalcultureinWal-Martisthat______.
A.storemanagersonlyhavetoworkhalf-day
B.employeesdon'tgethealthinsurance
C.hourlyworkersworkovertimewithpay
D.theheadquartersbuildingismodernized
17.
Adepressedpersonmightfeelhopeless,helplessandoverwhelmedifheisinclinedto______oflife.
18."Areyoustillbeatingyourwife?"isinrealitytwoquestionsthatareusually______.
19.
Atsunamioccurswhenthereisashiftin______.
20.
Theexampleofkeepingadailygratitudejournalshowsthat______isveryimportant.
二、3.ListeningComprehension(20題)21.
【B2】
22.
【B9】
23.
【B8】
24.SectionB
Directions:Inthissection,youwillhear3shortpassages.Attheendofeachpassage,youwillhearsomequestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA,B,CandD.
聽力原文:Notlongagoitwasassumedthatthedangersmanwouldmeetinspacewouldbeterrible,themainonesbeingradiationandthedangerofbeinghitbymeteors.Itisperhapsworthremembering'thatlessthantwocenturiesagothedangersoftraintravelseemedsimilarlyterrible.Amanwouldcertainlydie,itwasthought,ifcarriedalongataspeedofthirtykilometersperhour.
Therearetwosortsofradiationmanmustfearinspace.Thefirstisradiationfromthesun,andthisisparticularlydangerouswhenthesunisveryactiveandexplosionsareoccurringonitssurface.Thesecond,esfromtheso-canedVanAllenBelts.Therearetwoareasofradiationabout1500milesawayfromtheearth.Neitheroftheseformsofradiationareadangertousontheearth,sinceweareprotectedbyouratmosphere.Specifically,itisthatpartofouratmosphereknownastheozonospherewhichprotectsus.Thisisabeltofthechemicalozonebetween12and21milesfromtheground,whichabsorbsalltheradiation.
Onceoutsidetheatmosphere,however,manisnolongerprotected,andradiationcanbeharmfulinanumberofways.Adistinctionmustbedrawnbetweentheshort-andlong-termeffectsofradiation.Theformeraremerelyunpleasant,butjustbecauseanastronautreturningfromajourneyinspacedoesnotseemtohavebeengreatlyharmed,wecannotassumethatheissafe.Thelong-termeffectscanbeextremelyserious,evenleadingtodeath.
(27)
A.Radiationfromthesun.
B.RadiationfromtheVanAllenBelts.
C.Radiationfromthemeteors.
D.RadiationfromtheVanAllenBeltsandfromthemeteors.
25.聽力原文:M:You'vebeenherethreeyears.Haveyouhadmuchofachancetotravel?
W:Notmuch.LastyearIplannedtogotoYellowStoneParkinDecember,butIhadtopostponethetrip.Thenafewmonthslater,Ifinallymadeitthere.
Q:WhendidthewomangotoYellowStonePark?
(19)
A.Threeyearsago.B.Thisyear.C.Lastyear.D.InDecember.
26.
【B4】
27.聽力原文:GoingonlineisafavoriterecreationformillionsofAmericanchildren.TheInternetbothentertainsandeducateschildren,however,therearesomepossiblenegativeconsequencesforchildrenwhoaccesskid-basedwebsites.Advertisingonkid-basedwebsiteshasbecomebotharapidlygrowingmarketforconsumercompaniesandaconcernforparents.Withadickonanicon,childrencanlinktoadvertisersandbegrantedtremendousspendingpower.Childrenareanimportanttargetgroupforconsumercompanies.Childrenunderage12spent$14billion,teenagersanother$67billion,andtogethertheyinfluenced$160billionoftheirparents'incomes.
ManycriticsquestiontheappropriatenessoftargetingchildreninInternetadvertisingandpresstorequirethatchildrenbetreatedasa"specialcase"byadvertisers.Becausechildrenlacktheanalyticalabilitiesandjudgmentofadults,theymaybeunabletoevaluatetheaccuracyofinformationtheyview,orunderstandthattheinformationtheyprovidetoadvertisersisreallyjustdatacollectedbyanadvertiser.
Inreturn,manyadvertisersarguethatweunderestimatethelevelsofmediaawarenessshownbychildren.Bytheageofsevenoreightmostchildrencanrecognizeanadvertisementandknowthatitspurposeistosellsomethingandareabletomakejudgmentsabouttheproductsshowninadvertisements.However,asmarketers,weshouldbeexplicitaboutourpurposewhenadvertisingtochildrenontheInternet.
(29)
A.Childrenareunabletoanalyzeandjudgeadvertisements.
B.Childrenareunabletogiveconsentsincetheyaretooyoung.
C.Childrenoftengiveoffinformationthatmaybedangeroustothem.
D.Childrenarenotreadytoevaluateadvertisementsorinformationrequests.
28.SectionC
Directions:Inthissection,youwillhearapassagethreetimes.Whenthepassageisreadforthefirsttime,youshouldlistencarefullyforitsgeneralidea.Whenthepassageisreadforthesecondtime,youarerequiredtofillintheblanksnumberedfrom36to43withtheexactwordsyouhavejustheard.Forblanksnumberedfrom44to46youarerequiredtofillinthemissinginformation.Fortheseblanks,youcaneitherusetheexactwordsyouhavejustheardorwritedownthe
TheUniversityLibraryisoneofthelargest【B1】______librariesinthecountry,witha【B2】______ofsometwomillionvolumes.Thereisanactivecollectionforallsubjectswhicharetaughtorresearchedat【B3】______levelintheUniversity.TheLibraryalso【B4】______asanationalresourcecenterincertainsubjectareas.
For【B5】______researchinthehumanities,andinthehistoryofthesocial,naturalandphysicalsciences,theUniversityLibraryhas【B6】______impressivespecialcollectionsof【B7】______andrareprimarymaterials,bothmanuscript.andprinted,which【B8】______scholarsfromallovertheworld.【B9】______.
TheUniversityLibraryishighlyautomated,andthebenefitsofthisforreadersareespeciallyevidentandamicrocomputerclusterforfreestudentused.
【B10】______.Theseincludereferenceandenquiryservices,individualandgrouptrainingintheeffectiveuseofinformationtechnologyandothersources,interlibraryloans,librarypublications,photocopyingandotherreprographicservices,andbindingandconservation.
【B11】______.Thereareseparatelibraries,administeredbytheMainLibrary,forfinearts.music,literatureandearlymodernstudies,education,law,chemicalengineering,electronicandclectricalengineering,socialsciences,andmedicineandlifesciences.
【B1】
29.SectionC
Directions:Inthissection,youwillhearapassagethreetimes.Whenthepassageisreadforthefirsttime,youshouldlistencarefullyforitsgeneralidea.Whenthepassageisreadforthesecondtime,youarerequiredtofillintheblanksnumberedfrom36to43withtheexactwordsyouhavejustheard.Forblanksnumberedfrom44to46youarerequiredtofillinthemissinginformation.Fortheseblanks,youcaneitherusetheexactwordsyouhavejustheardorwritedownthe
聽力原文:魚在水中運動的原理
Tous,theenvironmentinwhichfishdwelloftenseemscold,darkand(36)mysterious.Butthereareadvantagesto(37)liveinwater.And(38)they'yeplayedanimportantroleinmakingfishwhattheyare.Oneisthatwaterisn't(39)subjecttosuddentemperaturechanges.Theseforeitmakes(40)anexcellenthabitatforacold-bloodedanimal.Anotheradvantageisthewater'sabilitytoeasilysupportbodyweight.Protoplasmhas(41)approximatelythesamedensityaswater.Sofishinwaterarealmostweightless.Thisweightlessnessinturnmeanstwothings:1)Fishcangetalongwithalightweightandasimplebone(42)structure.And2)Limitationstoa(43)fish'ssizearepracticallyremoved.Yetthereisonebasicdifficultytoliveinwater--thefactthatitisincompressible.(44)Forafishtomovethroughwater,itmustactuallyshoveitaside.Mostcandothisbywigglingbackandforthinasnakelikemotion.Thefishpusheswaterasidebytheforwardmotionofitsheadandwithacurveofitsbodyanditsflexibletail.
(45)Nextthewaterflowsbackalongthefish'snarrowingside,closinginatthetailandhelpingthefishpropelitselfforward.Thefactthatwaterisincompressiblehasliterallyshapedthedevelopmentoffish.Afiatandangularshapecanbemovedthroughwateronlywithdifficulty.(46)Andforthisreason,fishhaveabasicshapethatisbeautifullyadaptedtodealwiththispeculiarity.
Tous,theenvironmentinwhichfishdwelloftenseemscold,darkand【B1】______.Butthereareadvantagesto【B2】______water.And【B3】______playedanimportantroleinmakingfishwhattheyare.Oneisthatwaterisn't【B4】______suddentemperaturechanges.Thereforeitmakes【B5】______habitatforacold-bloodedanimal.Anotheradvantageisthewater'sabilitytoeasilysupportbodyweight.Protoplasmhas【B6】______thesamedensityaswater.Sofishinwaterisalmostweightless.Thisweightlessnessinturnmeanstwothings:1)Fishcangetalongwithalightweightandasimplebone【B7】______.And2)Limitationstoa【B8】______sizearepracticallyremoved.Yetthereisonebasicdifficultytoliveinwaterinfactthatitisincompressible.【B9】_______________________Thefishpusheswaterasidebytheforwardmotionofitsheadandwithacurveofitsbodyanditsflexibletail.
【B10】______________________.Thefactthatwaterisincompressiblehasliterallyshapedthedevelopmentoffish.Aflatandangularshapecanbemovedthroughwateronlywithdifficulty.【B11】______________________________.
【B1】
30.(21)
A.Stayandnegotiateormove.
B.Buyalaptoporaccepttheincrease.
C.Moveclosertotheschoolorthesubway.
D.Theyhavenochoicebuttomove.
31.(26)
A.Heansweredallherquestionscorrectly.
B.Hereceivedag
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