2022-2023年山东省青岛市大学英语6级大学英语六级模拟考试(含答案)

2022-2023年山东省青岛市大学英语6级大学英语六级模拟考试(含答案)学校:________班级:________姓名:________考号:________

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

TheaimofKentucky'sBereaCollegeaboutgreencampusistoreduceitsenergyconsumption45percentbelow2000levelsby______.

2.

Accordingtheracerules,dogsforracemusthave______.

3.

Asickinfantmaystareandhave______orcoldlimbs.

4.

WhydidQueenElizabethwanttoestablishtheEIC?

A.Becauseshewantedtolearnthecorporationstyle.ofFrance.

B.BecauseshewantedtofollowVascodaGama'sroute.

C.BecausesheneededfortunestoconquerotherEuropeancountries.

D.BecauseshewantedtosharefortuneswithotherEuropeancountries.

5.

TopeoplelivingintheArctic.themeltingofsomeglaciersmaypermitnewopportunitiesfor______.

6.

Whenawomanstartstotalkaboutaproblem,sheisexpectingtofind______.

7.

______oftenresultsfromworkingforanorganization.

8.

Landcanbepollutedby______fromagriculture.

A.heavymetals

B.slurryfromlivestock

C.pesticidesandnitrate-poorfertilizers

D.rubbish

9.

"Beingthefifthatbridge"showsustheauthorwasthefifthwhoplayedcards.

A.YB.NC.NG

10.

WithincreasingpopularityofdigitalTVandset-topboxes,thedebateonpublicfundingfortheBBCis______.

11.

Oneinnovativeproposalproposedbysomeexpertsisproviding______for25,000qualifiedundergraduatestudents.

12.

WhichofthefollowingisNOTprobablyareasonforelectricvehicles'"goodtime"?

A.Risinggasolineprice.

B.Fueleconomy.

C.Affordableprice.

D.Variouschoices.

13.

Theclashbetweenlocalsandforeignersmaybesoftenedbyrealitiesbecausethelocalsneedto______toimprovetheirmanagement,financingandgreaterscalewhiletheforeignersneedhelpnavigatingChina'svastretailmarket.

14.

AccordingtoDr.Weeks,sleephasa(n)______function.

A.time-savingB.energy-savingC.life-savingD.money-saving

15.

InthefirstyearofChina'sentryintoWTO,0.3%ofChina'sactualGDPgrowthwillbesubmittedtothisorganizationasstatedby______.

16.MartinusvanSchalkwyk,theministerofenvironmentalaffairsandtourism,visitedthesouthDurbanbasinearlierthisyearandsaidthereweremeasuresinplaceto______.

17.Large-packagepurchasecanbenefitlow-incomehouseholdsintheory,butitseldomworksinreality.

18.

Onethingtorememberisthatavarieddietthatincludesplentyof______isrecommendedforeveryone,regardlessofage.

19.

Aspecialplasticscoatingcanbeusedtoenablesunglassestoresist______.

20.ThemayorofaSpanishtownoncetriedtousefreeairpassageandhousingto______.

二、3.ListeningComprehension(20题)21.(29)

A.Itwarnsyoungpeopleofthehardshipsofasuccessfulwriter.

B.Itadvisesyoungpeopletogiveuptheirideaofbecomingwriters.

C.Itshowsthatwritersusuallyliveinpovertyandisolation.

D.Itencouragesyoungpeopletopursueawritingcareer.

22.SectionB

Directions:Inthissection,youwillhear3shortpassages.Attheendofeachpassage,youwillhearsomequestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA,B,CandD.

听力原文：Tobeaddictedtocigarettesmeansthatyourbodycomestoneedthem.Theaddictedsubstanceincigarettesisnicotine.Whenpeoplesmokethenicotinegoesrightintothebloodstreamandmakespeoplefeelrelaxed.Asmoker'sbodygetsaccustomedtothenicotineandifhestopssmokinghefeelsnervous.Manysmokerstrytostopsmokingbutbecauseoftheaddictiontonicotinetheyfeelsouncomfortablethattheyoftenfindittoodifficulttostop.

Anotherreasonisthatpeoplesimplyenjoysmokingandwhatitsymbolizes.Havingacigaretteformanypeoplemeanstakingabreak.Forsomepeoplesmokingbecomespartofcertainsocialrituals,forexample,thecigaretteafterdinner.Manypeopleenjoysmokingbecauseitgivesthemsomethingtodowiththeirhands.Reachingforacigarette,lightingitandflickingtheashesareespeciallycomfortinginsituationswhereapersonfeelstense.

Manypeoplealsolikethetasteoftarincigarettes.However,itisthetarthatcausescancer.Whilegovernmentsandhealthexpertshavetriedtogetpeopletogiveupsmokingentirely,cigarettemanufacturershavetriedtokeepsellingthembyproducingcigaretteswithlesstar.Manypeopleinwesterncountrieshavewelcomedthesecigarettessincetheyfindithardtostopsmokingbutwanttoreducetherisktotheirhealth.

(27)

A.Nicotine.B.Ashes.C.Smoke.D.Tar.

23.听力原文：W:Idon'tthinkweshouldhavetoldJackaboutthesurprisepartyforMary.

M:It'sallright.Hepromisednottotell,andhedoesn'tmakepromiseslightly.

Q:Whatdoesthemanmean?

(19)

A.Jackdidn'tmakeanypromisetoMary.

B.JackandMaryhavenosecretsfromeachother.

C.Jackwillkeepthesurprisepartyasecret.

D.JackhasarrangedasurprisepartyforMary.

24.听力原文：Shoppingforclothesisnotthesameexperienceforamanasitisforawoman.Amangoesshoppingbecauseheneedssomething.Heknowswhathewantsandhisobjectiveistofinditandbuyit;thepriceisasecondaryconsideration.Hesimplywalksintoashopandaskstheassistantforwhathewants.Iftheshophasitinstock,thesalesmanpromptlyproducesit,andthebusinessoftryingitonproceedsatonce.Allbeingwell,thedealisoftencompletedinlessthanfiveminutes,withhardlyanychatandtoeveryone'ssatisfaction.

Foraman,slightproblemsmayarisewhentheshopdoesnothavewhathewants.Inthatcase,thesalesmantriestosellthecustomersomethingelse.Fewmenhavepatiencetowastehistimetryingiton.

Butawomangoesaboutbuyingclothesintheoppositeway.Hershoppingisnotoftenbasedonneed.Shehasneverfullymadeuphermindwhatshewants,andsheisonly"havingalookround".Sheisalwaysopentopersuasion.Shewilltryonanynumberofthings.Uppermostinhermindisthethoughtoffindingsomethingthateveryonethinkssuitsher.Andshehasanexcellentsenseofvaluewhenshebuysclothes.Facedwitharoomfulofdresses,awomanmayeasilyspendhoursgoingfromonerailtoanotherbeforeselectingwhatshewantstotryon.Itisalaboriousprocess,butapparentlyanenjoyableone.

(33)

A.Theybuyexpensivethings,regardlessofquality.

B.Theydon'tmindhowmuchtheyhavetopayfortherightthings.

C.Theychoosethingsthatsalesmanrecommends.

D.Theybuygoodqualityandexpensivethings.

25.(22)

A.Thattheydon'talwaysusetheTOEFLandtheMichiganTestscorescorrectly.

B.Thattheylookattranscriptsinsteadofscores.

C.Thattheyshouldinsistonarigidcut-offscore.

D.Thattheyarelookingforanappropriatealternative.

26.

【B3】

27.听力原文：W：Youwouldn'tbeinterestedinworkingthissummertomakesomeextramoney，wouldyou?

M：Notmuch，1wouldn't．AndthissummerIhaveavacationplan．

Q：Whatdoesthemanmean?

(19)

A.Heisnotveryinterestedinworking.

B.He'llworkeventhoughhedoesn'twantto.

C.Hedoesn'tneedmuchmoney.

D.Hecouldonlyworkpartofthesummer.

28.

【B4】

29.SectionB

Directions:Inthissection,youwillhear3shortpassages.Attheendofeachpassage,youwillhearsomequestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA,B,CandD.

听力原文：(26)AnelementaryschoolbusdriverpulledintoagasstationinOhiobecausehehadtousethebathroom.Insteadofturningofftheengineandtakingthekeywithhim,thedriverleftthebusrunning.Therewere20kidsonthebus.Thedrivertoldapoliceofficerthatitwascoldoutside,andhedidn'twantthekidstogetchillywhilehewasusingthebathroom.Butheforgottosettheemergencybrakebecausehewasinahurry.

Thebusslowlystartedrollingawayfromthegasstation.Asthebuspickedupspeed,thekidsbeganyellingandscreaming.(27)Ten-year-oldJakeranforwardtothedriver'sseatandgrabbedthesteeringwheel.Hepressedhardonthebrakepedalandmanagedtostopthebusasitapproachedaguardmiloverlookingariver.Jaketurnedofftheengine.Afterthecopsarrivedatthescene,theycongratulatedJakeonhisheroiceffort.

Jakewasn'timpressedwithwhathehaddone.Hethoughtstoppingthebuswaseasycomparedtoplayinghisfavoriteactionvideogame.Thebusdriver,walkingalongthehighwaywhenarrestedbythepolice,wasinitiallychargedwith"leavingachildunattendedwhilemotorvehicleisrunning."Whilethatisonlyaminordrivingviolation,thecountydistrictattorneysaidhehopedtoupgradethechargebecauseofthenumberofchildreninvolved.

(28)Thedistrictattorneybelievethatwhateverthedriverischargedwith,thedriverwillneverdriveabusinthiscountyagain.

(27)

A.Becausehewantedtorefuelthebus.

B.Becausehewantedtohavearest.

C.Becausehewantedtorelievehimself.

D.Becausehewantedtohaveameal.

30.SectionB

Directions:Inthissection,youwillhear3shortpassages.Attheendofeachpassage,youwillhearsomequestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA,B,CandD.

听力原文：Howdoyoupreserveyourfood?Let'stakeadiscussion.Someonewillsay,putitintherefrigerator.Andaskaquestion,beforeweinventedtherefrigerator,inwhichwaycouldwekeepthefoodlongerorwesayifwedidn'thavetherefrigerator,inwhatcontainerorsomeplacetokeepthefood?Sothinkaboutitmoreanddeeply.

Thesearchforwaysofpreservingfoodsisnotnew.Earlymanlearnedthathecouldmakefoodslastbydryingthem.(26)TheIndians,forinstance,hungdeermeatinthesun.Thegreatestadvancebeganin1800when(27)aFrenchmandiscoveredthathecouldpreservecertainfoodsbysealingtheminjarsandkeepingtheairfromthem.Theprocesswasthebeginningofthevastcanningindustry,whichbringsusavarietyoffoodsinallseasons.Fruitsareoftenpreservedbydrying.Theuseofchemicalsisanothermethod,andsomefoodsarecookedwithsugar.Butrecently,themethodofpreservingfoodbyfreezinghasgrowntremendously,andmorefoodsthaneverbeforearenowbeingprocessedbyfreezing.

Andnowadaysweusuallykeepitintherefrigerator,andevendidn'tknowtheotherorformermethods.Maybewecouldtrysomeothernewwaystohandlethisproblem.Withthedevelopingsociety,andthedevelopingtechnology,thebetterwethinkof,thebetterlifeweget.(28)Foodkeepingissoimportantinourdallylifeandeveryoneneedstoeat.Howtodealwiththeleftone?Justthrowitawayiswastingandmaybeyouwanttoeatsomeday.Soweshouldthinkthecrediblewaytohandleit.

(27)

A.Theyhungmeatinthesun.

B.Theycookedmeatwithsalt.

C.Theykeptmeatunderground.

D.Theypreservedmeatwithice.

31.

【B11】

32.SectionB

Directions:Inthissection,youwillhear3shortpassages.Attheendofeachpassage,youwillhearsomequestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA,B,CandD.

听力原文：ManyAmericansaremovingtobigcities.Atthesametime,manyAmericansareleavingthecitiesandlookingforthe"goodlife"inthecountry.Althoughtheythinktheyknowwhattheywant,theydon'talwaysfindit.

Unlessyouknowsomethingaboutsmall-townlife,youmaybeinforsomebigsurprise.Therearenotsomanyjobopportunitiesthere.Peoplearenotalwayshappyabouthavingnewcomersmovein.Theyliketokeepthingsthewaytheyare.Andalthoughthereisusuallyamovietheaterandacoupleofrestaurants,thereisn'talottodoatnight.

Butifyou'relookingforamorerelaxedwayoflife,ifyouwanttosavemoney,andifyoucanmakeyourowngoodtimes,small-townlifemaybeforyou.Beforeyoudecidewhetherornottoleavethecity,spendacoupleofweeksinavillage.Lookaroundandtalktopeople.Thinkwhatitwouldbeliketolivetherefiftytwoweeksayear.Andthen,ifyou'resure,youcanmakethebigmove.

(27)

A.Becauselifeinthecountryismoreinteresting.

B.Becausetheyareinsearchofthe"goodlife."

C.Becausetherearemorejobopportunities.

D.Becausepeoplethereareverykindtothenewcomers.

33.听力原文：M:Mygrandfatherlookedforwardtoretirement,sothathewouldbeabletospendhisremainingyearsenjoyinghislifewiththefamily.Heretiredat65,butdiedat68.Heonlyenjoyedhisretirementforthreeyears.Whatapity!

W:Thenextgenerationhasbeguntolookatretirementalittledifferently.Whylimitthatlast"vacation"tojustafewyearsandtoatimewhenyourhealthmightbetoopoortoletyoudoallthethingsyou'veplannedtodo?Theyaredeterminedtoalterthatfate.

M:Dotheyhaveanywaytolengthentheirperiodofretirement?

W:Theyhaveasimplesolution.Justretireearlier.Don'twaituntilage65.Retireat50.Youwillbeabletoenjoylifeafterretirementfor15or20years.Thisisanicestrategy,buttherearestillsomeproblems.

M:Whatarethey?

W:First,quittingworkat50deprivesyouof15ofyourmostproductiveyears,andyouaccumulatelessmoneytosupportyourselfinretirement.Second,youarenotgoingtodieat68,youarelikelytolivelonger.Itmeansyourmoneymustlastyoulonger.

M:Doyoumeanthattoretireearlierthanscheduledisnotagoodsolution?

W:Infact,becauseofthesereasons,retirementasyouknowwillnotevenexist.

M:Howcanyousaythat?

W:Thissoundsbothhorrifyingandincredible.However,it'sanaturalevolutionofsociety.Becausewhatmanyretireesdiscoverafterawhileisthatthey'vebecomejustbored.Goingtoworkcansolvethatproblem.Workcanbementallychallengingandstimulating,andlotsoffun,especiallyyouknowyou'redoingitbecauseyouwantto,notbecauseyouhaveto.

(23)

A.Becausehethoughtthejobwasboring.

B.Becausehishealthgotpoor.

C.Becausehewantedtoenjoyhislifewithhisfamily.

D.Becausehewantedtorealizehisdreamsoflifeafterretirement.

34.(31)

A.Theyweresilent.

B.Theydidn'ttellacompletestory.

C.Theyweretooexpensive.

D.Theyweretooshort.

35.听力原文：M:Ozoneisanextremelyactivegascomprisedofthreeatomsofoxygen.OzoneexistsnaturallyintheEarth'supperatmosphere,thestratosphere,whereitshieldstheEarthfromthesun'sultravioletrays.However,ozonefoundclosetotheEarth'ssurface,calledground-levelozone,isacomponentofsmogandaharmfulsubstance.

W:Whatistheground-levelozone?Wheredoesitcomefrom?

M:Ground-levelozoneisacolorlessgasthatcanbefoundintheairwebreathe.Itisformedthroughacomplexchemicalreactionbetweenvolatileorganiccompoundsandnitrogenoxidesinthepresenceofsunlight.Itishardtobewatchedbyeyes.

W:Whoisconsideredmostatriskfromexposuretoground-levelozone?

M:Childrenarethemostatriskfromexposuretoground-levelozone:Theirrespiratorysystemsarestilldevelopingandtheybreathemoreairperpoundofbodyweightthanadults.

W:Fromwhatyou'vejustsaid,canIinferthatground-levelozoneiscloselyrelatedtosummer,thehotdays?

M:Ground-levelozoneisasummertimeproblem;childrenspendmostofthesummeroutsideplayingatsummercamps,playgrounds,andneighborhoodparksandinbackyards.

W:HowdoIknowwhenground-levelozoneconcentrationsarehigh?

M:Ground-levelozoneconcentrationstendtobeespeciallyhighduringsummerwhentheweatherishotandsunny.

W:Isthereanyorganizationprovidingrelevantinformation?

M:Thestafffromthedepartmentsconcernedhasdevelopedaproceduretoinform.thepublicaboutexpectedground-levelozonereadings.EachafternoonfromMay1stthroughSeptember15th,thestaffretrieveandreviewmonitoredozonedataandweatherforecastinformation.Thentheydevelopground-levelozoneforecastsforthefollowingday.

(23)

A.ItexistsclosetothesurfaceoftheEarth.

B.Itisacomponentofsmogandaharmfulsubstance.

C.Itisakindofyellowgas.

D.Itisformedthroughacomplexreaction.

36.听力原文：M:You'llbeinRoom207.Here'syourkey,andIhopeyouenjoyyourstaywithus,Ms.Cook.

W:Thanks.Oh,bytheway,I'dliketogetsomeinformationfromyou.Yousee,theconferenceI'mattendingwillbeoverearlyWednesday,andIdon'tflyoutuntilThursday.Doyouhaveanyrecommendationsforsightseeing?

M:There'sagreatplanetariumatournaturalhistorymuseum.Youmightenjoythat.

W.Idon'tknow—Idon'tthinkIwanttodothat.ThecityIcomefromhasagoodplanetarium.

M:Therearealsosomegoodartgalleriesdowntown.

W:I'mmoreinterestedindoingsomethingoutdoors.

M:Oh,well,there'sabeautifulwaterfallcalledCrystalFallsnotfarfromhere.

W:ThatsoundslikesomethingI'denjoyseeing.HowdoIgetthere?

M:Doyouhaveacar,orwillyoubetakingabus?

W:Irentedacarattheairport.

M:ThenjusttakeWatersonStreetwestoutoftownandgoaboutfivemiles.You'llseeasignthatsaysCrystalFalls.It'sashortwalkfromthere.

W:Thatsoundsgreat.Thanks!

(23)

A.Ataconferencehall.

B.Atanartgallery.

C.Atanairport.

D.Atahotel.

37.SectionC

Directions:Inthissection,youwillhearapassagethreetimes.Whenthepassageisreadforthefirsttime,youshouldlistencarefullyforitsgeneralidea.Whenthepassageisreadforthesecondtime,youarerequiredtofillintheblanksnumberedfrom36to43withtheexactwordsyouhavejustheard.Forblanksnumberedfrom44to46youarerequiredtofillinthemissinginformation.Fortheseblanks,youcaneitherusetheexactwordsyouhavejustheardorwritedownthe

Takingyourdogonvacationmayhavebeen【B1】______adecadeago,buttodayit'sflee.

【B2】______thepet-friendlyhotel,wheredogsarejustpartofthefamily,theLoewsMiamiBeachhashadmorethan1,200B3【B3】______guestssofarthisyear.Dogs,likekids,stayfreethere.

Alotofpeoplejustwanttotravelwiththeiranimals,sothehotel【B4】______gueststocomewiththeirpets.Thehotelhasaspecial【B5】______forthemfromthetimetheyenterthedoortillthetimetheyleave.

Therearefleshgrapesbythepoolforthediscerningdogandacupoficecubesforthehotdog.Anddon'tforgetthespecialdoggiedinnermenu.Thehotelkitchen【B6】______tocaninesaswellastheirmasters.Themostpopulardogdishisa【B7】______ofbeef,vegetablesandrice.It'sreallygreat.【B8】______,thepeoplefoodisevenbetter.

【B9】______.Someofthemdon'thavechildren,andthedogsmayfillthatgapforthem.【B10】______.Butwhatpetwouldn'twanttobewelcomedbacktoawelcomemealthatincludesanall-beefhamburgerbone?

【B11】______.

【B1】

38.听力原文：W:DidyouvisitthetelevisiontowerwhenyouhadyourvocationinShanghailastsummer?

M:Icouldn'tmakeitlastJune,butIfinallyvisitedittwomonthslater.Iplannedtovisititagainsometimenextyear.

Q:Whatdowelearnabouttheman?

(19)

A.HewillvisittheTVtowerinJune.

B.HehasvisitedtheTVtowertwice.

C.HesawthebigtowerhevisitedonTV.

D.Hehasvisitedthetoweronce.

39.(34)

A.Theweekendhasdecreasedinlength.

B.Thenumberofnationalholidayshasincreased.

C.Peopleworkfewerdaysperweek.

D.Peopleworkmorehourseachday.

40.听力原文：Man'sfirstrealinvention,andoneofthemostimportantinventionsinhistory,wasthewheel.Alltransportationandeverymachineintheworlddependonit.Thewheelisthesimplestyetperhapsthemostremarkableofallinventions.Becausetherearenowheelsinnature,nolivingthingswasevercreatedwithwheels.How,then,didmancometoinventthewheel?

Perhapssomeearlyhuntersfoundthattheycouldrollthebodyofaheavyanimalthroughtheforestonlogsmoleeasilythantheycouldcarryit.However,thelogsthemselvesweighedalot.Itmusthavetakenagreatprehistoricthinkertoimaginetwothinslicesoflogconnectedattheircentersbyastrongstick.Thiswouldrollalongjustasthelogsdid,yetbemuchlighterandeasiertohandle.Thusthewheelandaxlecameintobeing,andwiththemthefirstcarts.

(30)

A.Itledtomanyotherinventions.

B.Manhadnouseforitthen.

C.Therewerenowheelsinnature.

D.Alloftheabove.

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

Accordingtothedefinitioninthepassage,afictionalworkthatplaceshumanbeingsinaprehistoricworldinhabitedbydinosaurs______.

A.cannotbecalledsciencefictionbecauseitdoesnotdealwiththefuture

B.cannotbecalledsciencefictionbecauseitdoesn'tdealwithtechnology

C.canbecalledsciencefictionbecauseitdealswithman'srelationtotheworld

D.canbecalledsciencefictionbecauseitplacespeopleinanenvironmentdifferentfromtheoneweknow

42.WhichstatementisTRUEaboutpopulationincrease?

A.Theremightbeanincreaseof2.2billionpersonsfrom1975totheyear2000.

B.About50,000babiesarebornannuallyatpresent.

C.Between8000B.C.andthepresent,thepopulationincreaseisabout80,000,000personseachyear.

D.Thepopulationincreasedfasterbetween8000B.C.and1650thanbetween1650andthepresent.

43.(52)

44.

Bysayingthat"advertisingmakesapositivecontributiontoourpockets",theauthormeansthat______.

A.advertisementsareinformative

B.advertisementsareentertaining

C.advertisementssavemoneyforconsumers

D.advertisementsservethewholecommunity

45.

WhatisthepotentialcrisisforGoogleaccordingtoJimLanzone?

A.Googleoverestimatesitstechnique.

B.Google'snewon-lineprogramattractsmoreusers.

C.Itsrivalsamtryingtoform.alliance.

D.Googleextendsintovariousfields.

46.ToCordiaHarrington,themajorbenefitoftheexperienceinMcDonald'sbuncommitteewas

47.

ThereasonwhyCASAtriesto"renewthetrust"(lastparagraph)maybethat______.

A.manyattorneysandsocialworkershavecheatedinthechildren'scases

B.CASAhasgoodreputationsothattheycanearntrustveryeasily

C.thesechildren'smisfortuneshavemadeitdifficultforthemtotrustanyoneoranythingagain

D.theyhavedonemanysuccessfulcases

48.

Evidenceoftheextentofthelanguagebarriercanbegainedfrom______ofmaterialsusedbyscientistssuchasbooksandperiodicals.

49.【S9】

50.

WhichisNOTtrueaboutAmerican'sindalism?

A.Itisaltruistic.

B.Americansbelievedthattheyshouldbringfreedomanddemocracytotheunfortunatepeople.

C.ItreflectsAmerican'sdeep-rootedracism.

D.Amercansbelievedthattheirsystemwoulddobenefitstoothers.

51.SectionB

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

Thediscoveryofplanetsarounddistantstarshasbecomelikespace-shuttlelaunchesnewsworthybutjustbarely.Withsome50extra-solarplanetsundertheirbelt,astronomershavetoannouncesomethingreallystrangetogetanyone'sattention.

Lastweektheydidjustthat.StandinginfrontofcolleaguesandreportersattheAmericanAstronomicalSociety'ssemiannualmeetinginSanDiego,theworld'spremierplanet-huntingteamastronomerGeoffreyMarcyoftheUniversityofCalifornia,Berkeley,andhiscolleagues,presentednotonebuttworemarkablefinds.Thefirstisapairofplanets,eachaboutthemassofJupiter(木星),thatwhirlaroundtheirhomestar15light-yearsfromEarthinperfectlockstep.Onetakes30daystocompleteanorbit,theotherexactlytwiceaslong.Nobodyhaseverseensuchaconfiguration.Buttheseconddiscoveryisfarstrangerasolarsystem123light-yearsaway,intheconstellationSerpens(巨蛇座),thatharborsone"ordinary"planetandanothersohuge17timesasmassiveasJupiterthatnobodycanquitefigureoutwhatitcanbe."Itis,"saysMarcy,"abitfrightening."What'sfrighteningisthatthesediscoveriesmakeitclearhowlittleastronomersknowaboutplanets,andtheyaddtothedawningrealizationthatoursolarsystemandbyimplicationPlanetEarthmaybeacosmicoddball.Foryearstheoristsfiguredthatotherstarswouldhaveplanetsmoreorlessliketheonesgoingaroundthesun.Butstartingwiththe1995discoveryofthefirstextra-solarplanetagassymonsterlikeJupiterbutorbitingseventimesasclosetoitsstarasMercury(水星)orbitsaroundoursuneachnewfindhasseemedstrangerthanthelast.Searchershavefoundmore"hotJupiters"likethatfirstdiscovery.Theseincludehugeplanetsthatcareeraroundtheirstarsnotincircularorbitsbutinelongatedones;theirgravitywouldsendanyEarthlikeneighborsflyingoffintospace.SaysPrincetonastronomerScottTremaine:"Notasinglepredictionforwhatwe'dfindinothersystemshasminedouttobecorrect."

Lastweek'sgiantwasthemostunexpecteddiscoveryyet.Conventionaltheorysuggeststhatitmusthaveformedlikeastar,fromacollapsingcloudofinterstellargas.Itssmallercompanion,onlyseventimesJupiter'smass,isalmostcertainlyaplanet,formedbythebuildupofgasanddustleftoverfromastar'sformation.Yetthefactthatthesetwoorbsaresoclosetogethersuggeststosometheoriststhattheymusthaveformedtogethersomaybethebiggeroneisaplanetafterall.Ormaybeastronomerswillhavetorethinktheirdefinitionof"planet".Justbecauseweputheavenlyobjectsintocategoriesdoesn'tmeanthedistinctionsarenecessarilyvalid,asTremaineputsit,"Whenyourclassificationschemesstartbreakingdown,youknowyou'relearningsomethingexciting.Thisiswonderfulstuff."

TheauthorcitestheexampleofGeoffreyMarcy'sfindstoillustrate______.

A.astronomershavegreatbreakthroughinthediscoveryofplanets

B.thediscoveryofplanetshastobeextraordinarytoarouseattentions

C.it'sbeneficialtoencouragefrequentcommunicationinscientificstudy

D.astronomersknowfarfromenoughaboutplanetsarounddistantstars

52.TheearlystagesofTheTennesseeBunCompanyweresodifficultthatHarringtoncouldn'tevenaffordto______.

53.SectionA

Directions:Inthissection,thereisashortpassagewith5questionsorincompletestatements.Readthepassagecarefully.Thenanswerthequestionsorcompletethestatementsinthefewestpossiblewords.

It'safactof