高三英語上學期期中試卷及答案2

福州三中

2010—2011學年度高三上學期期中考試

英語試題

第一卷（105分）

I：聽力（滿分20分）

1．Wherearethetwospeakers?

A．InDanny’shouse． B．Onafarm． C．Inarestaurant．

2．Howmanypoundsoffruitisthemancarrying?

A．5．5pounds． B．6．5pounds C．7pounds．

3．Whodoyouthinkthemanprobablyis?

A．HeisMary’sbrother．

B．HeisMary’sclassmate．

C．HeisMary’steacher．

4．Whatdoesthewomanwanttodo?

A．Askthedirection．

B．Parkhercar．

C．Gotothepark．

5．Whatdoesthemanmean?

A．Hewantstofirethewoman．

B．Hewantstocutdownthewoman’spay．

C．Hewantstomakeanapologyfornotlettingthewomango．

6．Howmanytopicshasthewomanchosen?

A．Three． B．Four． C．Five

7．Accordingtotheman,whattopicisthebest?

A．Teachers’Day． B．Children’sDay． C．BeijingPopMusicFestival．

8．What’stheweatherlikeoutside?

A．It’sraining． B．It’ssunny． C．It’scloudy．

9．Howdoesthewomanfeelnow?

A．Crazy． B．Nervous． C．Comfortable．

10．Whatcountryisthemanplanningtogoto?

A．Canada． B．England． C．TheUS A．

11．Whatdoesthemanwanttoknow?

A．Theflight,thehotel,andthefood．

B．Theflight,thehotel,andtheweather．

C．Thetrain,thehotel,andtheweather．

12．Whowillgotherewiththeman?

A．Hiswifeandson． B．Hiswifeanddaughter． C．Hissonandfriend．

13．Whywasthegirlkeptathome?

A．Becauseshemisunderstoodherparents．

B．Becauseshewaslazy．

C．Becauseshedidn’tdowellinhertest．

14．Whatdothegirl’sparentswanthertodo?

A．Workhardatschool． B．Respectthem． C．Obeytherules．

15．Whatabouttheboy’sparents?

A．Theyoftenpunishhim．

B．Theywillpunishhimwhenheislazy．

C．Theyneverpunishhim．

16．Whatdoestheboymeanbythelastsentence?

A．Childrenshouldunderstandparentsmore．

B．Parentsshouldliveapartwithchildren．

C．Childrenshoulddotheirbestatschool．

17．Whatisthespeaker’snativelanguage?

A．German． B．Polish C．Russian．

18．Whatdid“BigBrother’sreferto?

A．Poland． B．TheUS． C．Russia．

19．WhydidthespeakercometotheUS?

A．Hewantedtofindajob．

B．HewantedtolearnEnglish．

C．HecametotheUSAtotravel．

20．HowlongdidittakethespeakertomasterEnglish?

A．Twoyears． B．Threeyears． C．Fouryears．

II．單項選擇:（每小題1分,滿分15分）

從A，B，C，D四個選項中，選出可以填入空白處的最佳選項。

21．Muchtothedisappointmentoftheneighboringcountries,theJapanesegovernmentrefusestoadmit____crimetheycommittedin______WorldWarIIinthehistory．

A．the;the B．/;the C．/;/ D．the;/

22．Intheearlydaystherewerenot_________asmanywomenmigrantsasthereweremales,somanyofthemenremainedbachelors．

A．a(chǎn)lmost B．nearly C．hardly D．likely

23．Myuncle___inBeijingforover10years．NowhelivesinhishometowninFuzhou．

A．hasworked B．worked C．hadworked D．works

24．—Shejoinedafootballteamlastfallandwasrecentlymadecaptain．

----Never____she’deverhavethatmuchenergy．

A．Ihadthought B．Iwouldhavethought

C．couldIhavethought D．willIhavethought

25．______theseactivitiesmightseemchildishandcauselaughterratherthanrespect,inrealitytheyrequireenormousamountofstrengthandfitnessaswellasdetermination．

A．Eventhough B．As C．Inspiteof D．While

26．Ittook________seemedtobeyears________theactressfinallyturnedup,whichmadethejournalistsaswellasaudiencesdisappointedandangry．

A．what,until B．which,since C．what,before D．which,once

27．_____toadvertisementsconstantlycanhelptochangepeople’sopinionsovertime．

A．Exposed B．Beingexposed C．Exposing D．Tobeexposed

28．Writteninahurry,______．Howcanitbesatisfactory?

A．theyfoundmanymistakesinthereport

B．Sammadelotsofmistakesinthereport

C．thereareplentyofmistakesinthereport

D．thereportisfullofmistakes

29．_______theexplorationofthebotanicalworld______onalargescale．

A．Itwasnotuntiltheeighteenthandnineteenthcenturiesthat;hadbegun

B．Itwasnotuntiltheeighteenthandnineteenthcenturieswhen;began

C．Notuntiltheeighteenthandnineteenthcenturiesdid;begin

D．Untiltheeighteenthandnineteenthcenturies;began

30．Advertisementshavebecomepartofoureverydaylifeandsoit’simportantthateveryoneofus_________ourselvesaboutthemtoavoidbeingfooledbythem．

A．beeducated B．educates C．educate D．istoeducate

31．Howdidyoufindyourvisittothemuseum,John?---______

A．BytakingaNo．3bus．

B．Oh,wonderful,indeed．

C．Iwenttherealone．

D．Aclassmateofmineshowedmetheway．

32．---Nowadaysmoreandmorepeoplemovetocitiesbecausetherearebetterjobopportunities．

---Idon’tagree．Mostofthemremainunemployed,cannotaffordhousingandeventually____________livinginpoverty．

A．setup B．takeup C．endup D．putup

33．Iarriveat9:00,teachuntil12:30andthenhaveameal；thatismy________．

A．routine B．tendency C．fashion D．procedure

34．It’sa_______ChinesecustomtoeatjiaoziattheSpringFestival．

A．everyday B．typical C．thrilling D．surprising

35．IamafraidTimjustisn’t___________thejob．

A．fitto B．upto C．a(chǎn)ppropriate D．suit

III．完形填空（共20小題，每小題1．5分，滿分30分）

TinaandThomasSjogrenwerethefourthandfifthpeopletoreachtheearth’sthreepoles．Yearsago,thecouplewere（36）acrosstheNorthAtlanticontheirwaytoEurope．Tinalookedoutofherwindowandwas（37）bythevastamountofspaceinGreenland．“Theskyoutsidethewindowburstintodifferent（38）,andauroras（極光）flewallaroundus．I（39）whatitwouldbeliketostepdownthereandstartwalking（40）,allaloneinsuchaplace．”Shethought,“IfthisiswhatIcelandandGreenlandarelike,how（41）thenmusttheArcticbe?”Sheturnedtoherhusband,（42）himawakeandsaid,“Honey,let’sgotothePoles!”

Tina’s（43）wouldnotbetheirfirstadventure．TheyhadalreadyclimbedMountQomolangma．Thepairsoonmadea（44）tovisitboththeNorthandSouthPolesonskis,travelling（45）．

OnFebruary2,2002,theyreachedtheSouthPole．Theirjourney（46）2,000kilometres．Afterjust35daysofrecoveryandpreparation,they（47）again．“Youareso（48）afterthelongexpeditiontotheSouthPole,soyoudon’tknowifyoucoulddo（49）rightaway．”

OnMay29,aftertravellingforthewholemorning,asthecouplewatchedwithweak（50）,thenumbersontheirGPSshowedthattheirgoalhad（51）beenachieved．Theyhadmadeit．

Withoutthe（52）ofdogsorsuppliesdroppedfromplanes,itwasonlytheirstrengthandwillpowerthat（53）themtoskiandswimtheirway．Theygotvaluableexperiencebutthatdidnotcomewithouta（54）．Ifyougoonanadventure,there’salwaystheriskofsomethinggoingwrong．（55）,youwilllearnfromit．

36．A．flying B．exploring C．swimming D．sailing

37．A．frightened B．bored C．a(chǎn)mazed D．a(chǎn)mused

38．A．shapes B．colors C．sounds D．waves

39．A．remembered B．wondered C．enjoyed D．doubted

40．A．carefully B．quickly C．a(chǎn)imlessly D．freely

41．A．cold B．bright C．wonderful D．terrible

42．A．shook B．knocked C．kept D．beat

43．A．idea B．a(chǎn)dvice C．order D．offer

44．A．suggestion B．plan C．proposal D．change

45．A．non-stop B．unsupported C．unreturned D．unprepared

46．A．covered B．included C．lasted D．crossed

47．A．brokedown B．settleddown C．setout D．cameback

48．A．excited B．disappointed C．confused D．tired

49．A．more B．a(chǎn)nother C．one D．others

50．A．torchlight B．sunlight C．breath D．eyesight

51．A．surprisingly B．luckily C．a(chǎn)ccidentally D．eventually

52．A．reward B．burden C．help D．company

53．A．a(chǎn)ttracted B．a(chǎn)llowed C．taught D．forced

54．A．price B．success C．mistake D．change

55．A．Therefore B．Instead C．Otherwise D．However

IV．閱讀理解（每小題2分，滿分40分）

閱讀下面短文，從每題所給的四個選項（A、B、C、D）中，選出最佳選項。

A

Itistimeforstudentstosellsuchthingsaschocolatebarsandgreetingcardstoraisemoneyfortheirschool,classorclub．Itisinevitablethattheywillknockonyourdoorandyouwilleasilyhandoveryourcashforoverpriceditemsthatyoureallydonotwant．Thatisokay,though,becausetherearemanyreasonswhychildrenshouldbeallowedtoraisemoneyfortheirschoolsandclubs．

Fundraising（募集資金）isagreatwaytohelpchildrenlearnsocialskills．Itisnoteasytogouptoacompletestrangerandaskhimforhismoney．Theyhavetonicelyaskforhelp,showtheinterestedbuyerwhattheyhavetoofferandexplainhowitwillhelptheminschool．Ifsomeonerefusestobuyanitem,thatchildhastotakethefailureinstride（不特別費力地）,andthatisalearninglessonaswell．

Studentscanlearnhowtodealwithmoneybyfundraising．Ofcourse,itmightseemsaferforustotakechargeofourchildren’searningsfromtheirfundraisingbeforeitisturnedintotheschool．However,bymakingthemkeeptrackofit,countit,andmakesureeveryonepaystherightamount,theyarelearninganimportantlesson．DealingwithmoreFundraisinghelpsimprovetheirschools．Itisthechildren’sschool．Theyhavetolearnthereandgrowthere．Whynotletthemhelpinmakingitabetterplace?

Fundraisingallowsformorelifeexperiencesforthechild．Theraisedmoneyisusedtowardsthingslikeparties,trips,orforthemusicclubtogotoseeaBroadwayplay．Thechildrenreceivetherewardsfortheirhardworkatraisingthemoney．Withoutfundraising,thesefieldtripsandspecialschoolmemorieswouldbemissed．

Inaword,fundraisinghelpschildrenalotinmanyways．

56．Theunderlinedword“inevitable”inthefirstparagraphmeans“_______”．

A．unlikely B．unavoidable C．improper D．unrealistic

57．Oneoftheimportantindicationsthatchildrenaregrownupisthat__________．

A．childrencandealwithmoneyrs

B．childrenlearntocareforothe

C．childrenliketomakeup

D．childrenmakeadatewithfriendsoftheothersex

58．Theauthorthinksthatfundraising_______．

A．a(chǎn)ddstothefamily’sburden

B．wastesthelearningtime

C．helpstodevelopthechildren’scharacter

D．buildsupthechildren’sbodies

59．Whichofthefollowingshowsthestructureofthepassage?

CP:CentralpointP:PointSp:Sub-point（次要點）C:Conclusion

P1

P2

P3

P4

P5

C

B

Sp2

Sp1

P1

P2

P3

CP

C

C

P1

P3

CP

Sp2

Sp1

Sp4

Sp3

C

D

P1

P2

P3

P4

C

CP

A

B

AnewhotelissettoopeninafarawayvillageinnorthernSweden，whichintendstochangethesimpletreehouseintoaworld-classhotelfortravelerswhoenjoyspecialdesigns．

Treehotel，whichliesinHaradsabout60kmsouthoftheArcticCircle,willbemadeupoffourroomswhenitopensonJuly17th：theCabin，theBlueCone，theNestandtheMirrorcube．

TwomoreareduetoopeninOctober—theUFOandARoomWithaView．

“Ourgoalinfiveyearsistohave24roomsfrom24differentarchitects（建筑師），”saysTreehotelco-founderKentLindvall,whocameupwiththeideaalongwithhiswifeBfitta．

Thefirstsixroomsweredesignedbyfivedifferentarchitects．TheMirrorcubewhichstandsfourmetershighandfourmeterswidehasdrawnwidespreadattentionasitwillbeconnectedtoasingletree．

‘‘It’saninterestingbuilding．Youcannotfindanythinglikethisintheworldtoday．It’sreallyspecial,”saysLindvall，ashestandsnexttotheroom’smirroredouterwall．

‘‘Everythingwillreflectinthis—thetrees，thebirds，theclouds，thesun，everything．Soitshouldbeinvisible（看不見的）nearlyintheforest．’’

Lindvallsaysaspecialfilmwillbeputontotheglasswhichwillbeseenbybirds．

‘‘Thisisuntouchedforestand—wewanttoleaveitasitis．"saysSelberg，anotherco-founder．

Sheadds．’’Ifwe’reluckywemightseeabear．Ithinkwhat’sexcitinghereisthatwe’rejust60kmbelowtheArcticCirclewhichmeansthere’sagoodpossibilitytohavethenorthernlightsinthewinterandduringthesummerofcourseyouhavethemidnightsun．”

TheaimofTreehotelis“feelfreeinatree”andtheexperiencewillcostupto4,200Swedishcrowns（$555,50）fortwoguestsintheMirrorcube,whichisdesignedtoholduptofourguests．

60．WhatdoweknowaboutTreehotelinHaradsfromthetext?

A．ThehotelwillprovidesixroomsinJuly．

B．Itisspeciallydesignedbyonearchitect．

C．It’s60kmawayfromtheArcticCircle．

D．Itwasonceallordinaryfamilytreehouse．

61．WhyistheMirrorcubekownbymanypeople?

A．Itwillbejoinedtoonetreeonly． B．ItisinadistantvillageinSweden．

C．It’sdesignedbyafamousarchitect． D．Itsouterwalliscoveredwithmirror．

62．Aspecialfilmwillbeusedto

A．seizeanimals B．protectbirds C．takeinlight D．keepoffbears

63．Whatisthetextmainlyabout?

A．Amodembuilding． B．ASwedishvillage．

C．Aspecialtreehouse． D．Afarawayvillage

C

Whatwouldyoudoifyouwerelostinthedarkforestatnight?Thefirstsensiblelessonisthatyoushouldn’tbothertryingtofindyourwayinthedarkatall,butjuststayoutuntildawn．Becausethenyouwon’ttripoverthings?No,mainlybecauseyou’llhaveanideaofdirection．Thesunrisesintheeast．Butyouwillbeamazedathowmanypeopleforgettheyknowthat．Apparently,theareaunderneathahollybushprovidesagoodmakeshiftshelter—theyarethick,andevergreen．Thenextthingtodo—orrathernottodo—ispanic,fortheobviousreasonthatunlessthereissomeonetheretohearyouscream．itwillgetyounowhere．Justtrytothinkofnice,happythings．

Thereisalwaysapointinfilmswhenapersonwhoislostinthedesertorthesnow,dehydrated（脫水的）andexhausted,comesacrossasetoftheirownfootprintsandrealizestheyhavejustwalkedinahuge,roundcircle．Itiswrongtooweittotheunequalstrengthsordifferentlengthsofyourlegs．Experimentsprovethat,withoutthesunorthemoon（orlandmarks）asafixedguide,lotsofsmallerrorsaddupovertimesothebraincan’tcorrectlyidentifythe“straightahead”direction．Tojustgetoutofsomewhere,pickaspotonthehorizonandjustheadforit．

Thereareseveralwaystofinddirectionsinthedark,andbyfarthebestistoestablishnorthusingthestars．MostpeoplecanidentifythePlough,whichispartofUrsaMajor．Itlooksalotlikeasaucepan．ThePloughrotates（旋轉）throughthesky,butlet’simaginethesaucepanlyinghorizontally,withitshandleontheleft．Youneedtotracealinefromthestarattheright-handbaseofthepan,throughthestarattheright-handrim（邊沿）,andfollowitupwards;theNorthStarisroughlyfivetimesthedistancebetweenthosetwo‘pointer”stars．ThendropaverticallinefromtheNorthStartothehorizonandthat’snorth．

“TonightisverycloudyandIcan’tseethePlough．”Maybeluckily,itisquitewindy．Keepinmindthatalmostallofourweathercomesfromasouth-westernlydirection．（ThisonlyworksifyouareintheBritishIsles．）Tofindthedirection,youcanthrowlightbitsofdried-outgrassintheairandseewhichwaytheyblow;or,iftherearecloudsandpatchesofclearsky,seewhichwaytheyblowacrossthestars．Youcanalsogetanideaofdirectionfromleggyplants．Iftheylookasiftheyhavebeenblownover,theywillprobablybepointingnorth-east．Iftheyaresimplyleaninginonedirectionastheygrow,there’sagoodchancethatitissouth（theywillbereachingtowardsthesun）．Thelastthingtodoistojudgeyourdirectionandoffyougo．

64．Whatmightbethebesttitleofthepassage?

A．Whattodoifyouarelost

B．Howtoprotectyourselfintheforest

C．Howtosurviveintheforest

D．Howtodirectyourwayoutofthewild

65．WhichofthefollowingpicturesmatchesthedescriptionofthepositionoftheNorthStar?

66．Whywillpeopleoftenwalkinacircleiftheyarelostinthedesertorthesnow?

A．Becausewithoutanythingtorefertofordirections,thebrainwillbeconfusedbyerrors．

B．Becauseoneofthelegsislongerandstrongerthantheother．

C．Becausethedesertorthesnowusuallycoversalargeareaforpeopletogetacross．

D．Becausepeopleusuallyfeeldehydratedandexhaustedinthedesertorthesnow．

67．IfyouwerelostintheTalklimakanDesertinChina,____wouldNOTbedependableforyoutoidentifythedirections．

A．thesun B．theNorthStar C．themoon D．thewind

D

Aresomepeoplebornclever,andothersbornstupid?Orisintelligencedevelopedbyourenvironmentandourexperience?Strangelyenough,theanswertothesequestionsisyes．Tosomeextentourintelligenceisgivenusatbirth,andnoamountofspecialeducationcanmakeageniusoutofachildbornwithintelligence．Ontheotherhand,achildwholivesinrichandvariedsurrounding．Thusthelimitsofaperson’sintelligencearefixedatbirth,whetherornotbereachesthoselimitswilldependonhisenvironment．Thisview,nowheldbymostexperts,canbesupportedinanumberofways．

Itiseasytoshowthatintelligenceistosomeextentsomethingwearebornwith．Thecloserthebloodrelationshipbetweentwopeople,theclosertheyarelikelytobeinintelligence．Thusifwetaketwounrelatedpeopleatrandomfromthepopulation,itislikelythattheirdegreeofintelligencewillbecompletelydifferent．If,ontheotherhand,wetaketwoidenticaltwins,theywillverylikelybeasintelligentaseachother．Relationslikebrothersandsisters,parentsandchildren,usuallyhavesimilarintelligence,andthisclearlysuggeststhatintelligencedependsonbirth．

Imaginenowthatwetaketwoidenticaltwinsandputthemindifferentenvironments．Wemightsendone,forexample,toauniversityandtheothertoafactorywheretheworkisboring．Weshouldsoonfinddifferencesinintelligencedeveloping,andthisindicatesthatenvironmentaswellasbirthplaysapart．Thisconclusionisalsosuggestedbythefactthatpeoplewholiveinclosecontactwitheachother,butwhoarenotrelatedatallarelikelytohavesimilardegreeofintelligence．

68．Ifachildisbornwithlowintelligence,hecan____．

A．neverbecomeagenius

B．stillbecomeageniusifheshouldbegivenaneducation

C．gobeyondhisintelligencelimitsinrichsurroundings

D．notreachhisintelligenceinhislife

69．Inthesecondparagraph“ifwetaketwounrelatedpeopleatrandomfromthepopulation．．．”means“ifwe____．”

A．choosetwopersonswithdifferentintelligence

B．takeouttwodifferentpersons

C．choosetwopersonswhoarerelative

D．pickanytwopersons

70．Theexampleofthetwinsgoingtoauniversityandtoafactoryseparatelyshow____．

A．theroleofenvironmentonintelligence

B．theimportanceoftheirintelligence

C．theimportanceoftheirpositions

D．thepartthatbirthplace

E

AnothersmallanimalthattigerseatinRanthambhore（awildlifeparkinnorthern

India）istheporcupine（豪豬）．TheseanimalsarespreadwidelyacrossIndiainopenareasandgrasslands;theyoftenliveintheearthandbetweenrocks．Theyaregooddiggers,andinRanthambhorearenocturnal（夜出的）;theyonlycomeoutatnight．Theyweigh12to16kilogramsandreachthelengthof80to90centimetres．Theyliveusuallyonvegetablesandfruitandseemtohaveagoodsenseofsmell．Porcupinesdefendthemselveswhenattackedbymovingbackwardswiththeirquillsupright,oftenmakingastrangenoise．

Severaltimes,Ihavefoundtheremainsofquillswhereatigerhaskilledandeatenaporcupine,butIhaveneveractuallyseenthekill．Inspiteofthequills,experiencedtigerswilltrytokillclearlybybitingtheporcupine’shead,itsweakestspot．Butthequillsareverysharpandcangivepainfulinjuriestoyoungtigers．Ifthequillshavegoneinverydeeplyoriftheyarestuckinthetiger’spaw,itwilltrytopullthemout．Often,itwillbesuccessful,andthewoundwillgetbetter．But,ifthequillshavegoneinverydeeplyoriftheyarestuckinthetiger’sneckormouth,wheretheycannotbereached,thewoundwilloftenturnbad．Ifthishappens,thetigerisinpainandislessabletohuntanimals．Ithastolookforeasierpreyandsomayturntocowsontheedgesoftheforest．Fromthis,itisasmallsteptobecomingaman-eater．

71．Aporcupineisasmallanimalwhich_____．

A．likestostayonvegetablesandfruit

B．hasvegetablesandfruitasitsmainfood

C．preferstostayonvegetablesandfruitratherthananywhereelse

D．eatsnothingbutvegetablesandfruit

72．Theword“quill”heremeans____．

A．long,sharpneedle-likepartsonaporcupine

B．feathersonaporcupine

C．teethofaporcupine

D．pawsofaporcupine

73．Accordingtothispassage,whatcauseatigertobecomeaman-eater?

A．Whentherearenoporcupineforatigertocatch．

B．Whenitisdifficultforatigertocatchotheranimals．

C．Whenatigerwasn’thurtseriously．

D．Whenitturnstocowsontheedgesoftheforest．

74．WhichofthefollowingstatementsisNOTtrue?

A．Aporcupinemakesastrangenoisewhenthereisdanger．

B．Aporcupinedoesn’tcomeoutuntilnightfalls．

C．Aporcupineisgoodatdigging．

D．Wheneveritwasattacked,aporcupinerunsbackhome．

75．Whatispropertitleforthispassage?

A．APorcupine B．HowDoTigerKillPorcupines?

C．WhatCanCauseaTigertoBecomeaMan-eater?

D．ATigerandItsFood

第二卷（35分）

V．根據(jù)句意填單詞：（每小題1分，滿分10分）

1．Advertisersgotoalotoftroubleand___________（開支）tomakeadvertsandsotheywanttomakesuretheyachievetheirpurpose．

2．SotheVikingswould___________（觀察）thewindsbeforeandduringtheiroutwardorreturnjourneys．

3．Australiaisamainlydrycountrywithonlyafewareasthathaveadequate________（降雨量）tosupportalargepopulation．

4．Theauthorities,being__________（絕望）,increasedtheheightofthefenceagainandagainanditwassoonoverfortymetershigh．

5．Theadvertisementsaysthatwhenyoubuytwo,theywillgiveyoutwomorewithout_______（額外）cost．

6．Theboatwasatthem________ofthewaves—it’simpossibletofightagainstnature．

7．Thistownhadalonghistory,d___________backtotheRomantimes．

8．HavinglivedinFuzhoufordecades,hehasa_________tothechangeableweatherhere．

9．Committeemembersrecentlyappointedmetheirchairmanandhaveaskedmetotellyouhowmuchwealla______________yourdonation．

10．Weconsideryourofferofhelptobealifesaverformanyofthesepoorchildrenandcannotthankyou___________．

VI．短文填詞：（滿分10分）

Peopletendtobecomemorepersonalandhidemuchmoreof

themselveswhen_________（使用）e-mail．ResearchersfromOpen 1．______

UniversityinBritainhavefoundina_______（最近的）studythat 2．_____

therearegoodreasonsforthis．Theteamofresearcher