减压病病人血液中气泡的主要成分为()

A、氧气
B、氮气
C、二氧化碳
D、空气
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正确答案:

B

答案解析:

暂无解析

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PartIReadingComprehension

Passage1

Questions1to5arebasedonthefollowingpassage:

InWashingtonD.C.,1600PennsylvaniaAvenueisaveryspecialaddress.ItistheaddressoftheWhiteHouse,thehomeofthepresidentoftheUnitedStates.

OriginallytheWhiteHousewasgrayandwascalledthePresidentialPalace.Itwasbuiltfrom1792to1800.atthistime,thecityofWashingtonitselfwasbeingbuilt;itwastobethenation’snewcapitalcity.GeorgeWashington,thefirstpresident,andPierreCharlesL’Enfant,aFrenchengineer,chosetheplaceforthenewcity.L’Enfantthenplannedtheycity.Thepresident’shomewasanimportantpartoftheplan.

Acontestwasheldtopickadesignforthepresident’shome.AnarchitectnamedJamesHobanwon.Hedesignedalargethree-storyhouseofgraystone.

PresidentWashingtonneverlivedinthePresidentPalace.ThefirstpresidenttolivetherewasJohnAdams,thesecondpresidentoftheUnitedStates,andhiswifeMrs.Adamsdidnotreallylikehewnewhouse.Inherletters,sheoftencomplainedaboutthecold.Fiftyfireplaceswerenotenoughtokeepthehousewarm!

In1812theUnitedStatesandBritainwenttowar.In1814theBritishinvadedWashington.Theuburnedmanybuildings,includingthePresidentialPalace.

AfterthewarJamesHoban,theoriginalarchitect,partiallyrebuiltthepresident’shomes.Tocoverthemarksofthefire,thebuildingwaspaintedwhite.BeforelongitbecameknownastheWhiteHouse.

TheWhiteHouseisoneofthemostpopulartouristattractionsintheUnitedStates.Everyyearmorethan1.5millionvisitorsgothroughthefiveroomsthatareopentothepublic.

1.TheWhiteHousewasbuiltinWashington.

A.becauseaFrenchengineerwasinvitedtodesignit

B.becausePresidentGeorgeWashingtonlikedtoliveinit

C.becausetheBritishinvaderslivedinitin1812-1814

D.becauseitwastobethenation’scapitalcity

2.ThePresidentialPalacewas.

A.paintedgrayandwhiteB.madeofgraystone

C.madeofwhitestoneD.madeverywarminwinter

3.Thepresident’shomeandthecityofWashingtonwere.

A.builtbytheAmericanarmyB.builtbytheBritishtroops

C.plannedbyGeorgeWashingtonD.plannedbytheFrench

4.Theoriginalhomeofthepresidentneededtoberebuilt.

A.becauseJohnAdam’swifedidnotlikeit

B.becauseitwascoldinwinterevenwith50fireplaces

C.becauseithadburneddownduringthewar

D.becauseGeorgeWashingtonwasnotwillingtoliveinit

5.Thenewpresidentialhomewaspaintedwhiteto.

A.coverthemarksoffireB.attracttouristfromFrance

C.topleaseMrs.JohnAdamsD.keepitwarminwinter

Whataniceday!Howaboutthethreeofus_____awalkintheparknearby.

A、totake
B、take
C、taking
D、tobetaking

PartIIICloze

Directions:Therearetwentyblanksinthefollowingpassage.Foreachblanktherearefourchoices.ChoosetheonethatbestfitsintothepassageandthenmarksyouranswerontheAnswerSheet.

In1982,MarkThatcher,thesonofMrs.Thatcherwasreported61intheSaharaDesertwhilecompetingintheGrandPrixmotorracefromParistoDakar.Thissadnews,so62,shooktheusuallycalmandunperturbedseasonedpolitician63herbalance.Thoughshedidherbesttopretendasif64hadhappenedandmadeherpublicappearancesasusual,peoplecouldnot65tonoticethatshewasnolongertheold66primeministerwhoalwayshadeverything67control.68shehadbecomeaverysadmotherwhowasunabletorecoverfromhershock.

Oneday,whenshewastospeakataluncheonparty,areportercaughther69herguardby70upthesubjectofhermissingsonagain.Shewastotallymentally71forthequestionandlostherselfcontrol.Tearswererollingdownhereyesasshesobbinglytoldthereporterthatthere72stillnonewsofMarkandthatshewasveryworriedabouthim.Shesaidthatallthecountries73hadpromisedtodotheirbesttohelpherfindherson.74thatshebrokedowncompletelyandsobbedsilentlyforquiteawhile.Graduallyshe75downandstartedtospeakas76.itwasaverymovingscenewhich77anewsideofMrs.Thatcher’scharacterthepublicdonotusuallysee,78peoplebegantotalkabouttheIronWoman’smaternallove,asentimentthatis79toallhumankind.

LaterMarkreturned80andsoundtohismother’sside,good-humoredandallsmilesasusual,asifnothingunusualhadeverhappened.TheIronWoman,however,brokedownagainaswassobbingforthesecondtime.

61.A.missingB.missedC.wantingD.wanted

62.A.expectedB.expectingC.unexpectedD.unexpecting

63.A.withB.onC.outD.off

64.A.somethingB.anythingC.nothingD.everything

65.A.missB.failC.pretendD.expect

66.A.reassuredB.self-assuredC.assuringD.self-assuring

67.A.forB.beneathC.belowD.under

68.A.InsteadB.howeverC.ThereforeD.So

69.A.intoB.outofC.onD.off

70.A.puttingB.bringingC.takingD.giving

71.A.readyB.preparedC.unpreparedD.unexpected

72.A.wasB.wereC.shouldbeD.wouldbe

73.A.concerningB.concernedC.worryingD.worried

74.A.AtB.BeforeC.AfterD.With

75.A.satB.brokeC.calmedD.became

76.A.plannedB.planningC.plansD.aplan

77.A.explainedB.exposedC.excludedD.exclaimed

78.A.howeverB.insteadC.soD.but

79.A.universalB.uniqueC.singleD.strange

80.A.safeB.safelyC.sightD.hearing

PartIVTranslation

Thecaptainrealizedthatthementriedtodeceivehimsohemadethemworkveryhardfortherestofthevoyage.(PassageOne)

Thissickmanwas_____inablanket.

A、input
B、issued
C、ensured
D、wrapped
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