These pollutants can be ______ hundreds and eve thousands of kilometers by large air masses.(2003年中国科学院考博试题)

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问题 These pollutants can be ______ hundreds and eve thousands of kilometers by large air masses.(2003年中国科学院考博试题)

选项 A、contained
B、conveyed
C、contaminated
D、conserved

答案B

解析本题是说这些污染物可以被大风带走上百甚至上干公里。B项的“convey运载，传送”符合题意，如：convey the supplies to the warehouse(把物资运送到仓库)。其他三项“contain包含，含有；contaminate使……受污染；conserve使……不变质，不受损或保护”都不正确。

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These pollutants can be ______ hundreds and eve thousands of kilometers by large air masses.(2003年中国科学院考博试题)

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