Suppose there were a flood or an earthquake and the people could not be reached by trains or trucks. ______ packages of food

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问题 Suppose there were a flood or an earthquake and the people could not be reached by trains or trucks. ______ packages of food could be dropped from planes, the people might starve.

选项 A、Until
B、Before
C、Unless
D、If only

答案C

解析 unless“除非”，从主从句的逻辑关系上看是惟一正确的选择。句意：“假如发生了水灾或地震，且火车、汽车又无法通至灾区，除非用飞机空投，否则那里的人们就会饿死。”

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专业英语四级

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Suppose there were a flood or an earthquake and the people could not be reached by trains or trucks. ______ packages of food

专业英语四级

WherewasthefirsttelephoneserviceinAmericaestablished?

Accordingtothepassage,theeconomicandindustrialchangesaswellaspeople’sdesiretoimprovetheirpositionscanusually

ScientistshavelongbelievedonewaytostoptheEarth’satmospherefromwarmingisbyplantingmoretrees.Theideaisthatmo

WhatwillbetheKosovosituationinthenearfuture?

Violentlyricsinsongsincreaseaggression-relatedthoughtsandemotionsandcouldindirectlycreateamorehostilesocialenvi

Beethovenestablishedhimselfasthegreatestcomposer______.

CreativityCreativityisneithersomethinglearnedbyapplyingaformulanorisittheunfettered,chaoticproductofagen

Asanorganizeroftheconcert,hehadbeenobligedto______himselfmorethanever,toevadetheenormousnumberofapplicatio

"MirrorWorlds"isonlyoneofDavidGelernter’sbigideas.Anotheris"lifestreams"—inessence,vastelectronicdiaries."Every

经营者以产品说明书表示商品质量状况的应经营者提供的服务，按国家规定，承担包修、包换、包退责任的应

对于拟建工程初步设计与已完工程或在建工程的设计相类似且没有概算指标，但必须对建筑结构差异和价差进行调整的情况，编制工程概算可以采用()。

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