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

ThespeakerstatesthattheStoneAgewassonamedbecause______.

WhatdidHelenrecentlypass?

WriteonANSWERSHEETTWOanoteofabout50-60wordsbasedonthefollowingsituation:Youhavereceivedabirthday’girlfr

Ourcountryistryingto________theseriousproblemscreatedbytheenvironmentpollution.

OxfordUniversityscientistswillexperimentonhundredsofpeopleinahidtounderstandhowthebrainworksduringstatesofc

OxfordUniversityscientistswillexperimentonhundredsofpeopleinahidtounderstandhowthebrainworksduringstatesofc

WhatwillbetheKosovosituationinthenearfuture?

Mostchildrenwithhealthyappetitesarereadytoeatalmostanythingthatisofferedtothemandachildrarelydislikesfood【

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

带陷入槽底,是因为带轮槽磨损造成的,此时修理办法是（）.

急性再生障碍性贫血的临床表现为

正常设计的钢筋混凝土受弯构件，其斜截面极限状态时出现的破坏形态是( )。

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