载油航行时,舱顶空间内的油气气浓度会随着温度的变化而变化,一般温度越高,油气浓度越小。

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2、错误
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PartIVTranslation

Itwouldhavebeendifficultforthemtoavoidtheconclusionthatthehorseandmulepopulationwoulddeclinerapidly.(PassageFour)

PartIIICloze

Directions:Therearetwentyblanksinthefollowingpassage.Foreachblanktherearefourchoices.ChoosetheonethatbestfitsintothepassageandthenmarksyouranswerontheAnswerSheet.

Beforethe20thcenturythehorseprovideddaytodaytransportationintheUnitedStates.Trainswereusedonlyforlong-distancetransportation.

Todaythecaristhemostpopular61oftransportationinalloftheUnitedStates.Ithascompletely62thehorseasameansofeverydaytransportation.Americansusetheircarsfor6390percentofallpersonal64.

MostAmericansareableto65cars.

Theaveragepriceofa66madecarwas1050in1950,1740in1960andupto1750671975.DuringthisperiodAmericancarmanufacturerssetabout68theirproductsandworkefficiency.

Asaresult,theyearlyincomeofthe69familyincreasedfrom1950to197570thanthepriceofcars.Forthisreason71anewcartakesasmaller72ofafamily’stotalearningstoday.

In195173ittook8.1monthsofanaveragefamily’s74tobuyanewcar.In1962anewcar758.3ofafamily’sannualearnings.By1975itonlytook4.7576income.Inaddition,the1975carsweretechnically77tomodelsfrompreviousyears.

The78oftheautomobileextendsthroughouttheeconomy79thecarissoimportanttoAmericans.Americansspendmoremoneyto80theircarsrunningthanonanyotheritem.

61.A.kindsB.meansC.meanD.types

62.A.deniedB.reproducedC.replacedD.ridiculed

63.A.hardlyB.nearlyC.certainlyD.somehow

64.A.tripB.worksC.businessD.travel

65.A.buyB.sellC.raceD.see

66.A.quicklyB.regularlyC.rapidlyD.recently

67.A.onB.inC.behindD.about

68.A.raisingB.makingC.reducingD.improving

69.A.unusualB.interestedC.averageD.biggest

70.A.slowestB.equalC.fasterD.lessthan

71.A.bringingB.obtainC.boughtD.purchasing

72.A.partB.halfC.numberD.side

73.A.clearlyB.proportionallyC.percentageD.suddenly

74.A.incomeB.workC.plansD.debts

75.A.usedB.spendC.costD.needed

76.A.months’B.dollarsC.familyD.year

77.A.famousB.superiorC.fastestD.purchasing

78.A.runningB.noticeC.influenceD.discussion

79.A.thenB.asC.soD.which

80.A.startB.leaveC.keepD.repair

Passage2

Questions6to10arebasedonthefollowingpassage:

Whenaluminumwasfirstproducedaboutahundredandfiftyyearsago,itwassodifficulttoseparateformtheoresinwhichitwasfoundthatitspricewashigherthanthatofgold.Thepriceremainedhighuntilanewprocesswasdiscoveredforrefiningthemetalwiththeaidofelectricityapproximatelythreequartersofacenturylater.Thenewmethodwassomuchcheaperthataluminumbecausepracticalformanypurposes,oneofwhichwasmakingpotsandpans.

Aluminumislightweight,rustproofandeasilyshapedintodifferentforms.Bymixingitwithothermetals,scientistshavebeenabletoproduceavarietyofalloys,someofwhichhavethestrengthofsteelbutweighonlyonethirdasmuch.

Today,theusesofaluminumareinnumerable.Perhapsitsmostimportantuseisintransportation.Aluminumisfoundintheengineofautomobiles,inthehullsofboats.Itisalsousedinmanypartsofairplanes.Infact,thehuge“airbus”planeswouldprobablyneverhavebeenproducedifaluminumdidnotexist.Bymakingvehicleslighterinweightaluminumhasgreatlyreducedtheamountoffuelneededtomovethem,Aluminumisalsobeingusedextensivelyinthebuildingindustryinsomecountries.

Sincealuminumissuchaversatile(多用的)metal,itisfortunatethatbauxite(铝土矿),whichisoneofitschiefsources,isalsooneoftheearth’smostplentifulsubstances.Asthesourceofaluminumisalmostinexhaustible,wecanexpectthatmoreandmoreuseswillbefoundforthisversatilemetal.

6.Thepriceofaluminumwassharplyreducedwhenpeoplediscoveredanewrefiningprocesswiththeaidof.

A.windB.solarenergyC.hydraulicpowerD.electricity

7.Aluminumis.

A.lightweight,rustproofbutnoteasilyshapedintodifferentforms

B.heavyweight,rustproofandeasilyshapedintodifferentforms

C.lightweight,rustproofandeasilyshapedintodifferentforms

D.lightweightandeasilyshapedintodifferentformsbutitiseasytobecomerusty

8.WhichofthefollowingisNOTtrue?

A.Aluminumiswidelyusedintransportation.

B.Aluminumisalsousedinmanypartsofairplanes.

C.Aluminumisbeingusedextensivelyinthebuildingindustry.

D.Aluminumisnotusedinitspureform.

9.Aluminumisfoundonearthmostlyintheformof.

A.puremetalB.bauxiteC.goldD.liquid

10.Whatisthepassagetalkingabout?

A.Thefeaturesofaluminumanditsfunctions.B.Theprocessofaluminum.

C.Thediscoveryofaluminum.D.Thepromisingfutureofaluminum.

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

Hegaveusagood____ofhisexperience.

A、demonstration
B、frequency
C、descripton
D、instruction
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