Long ______ to harmful pollutants is most likely to lead to a decline in health.

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问题 Long ______ to harmful pollutants is most likely to lead to a decline in health.

选项 A、exposure
B、contact
C、use
D、touch

答案A

解析 exposure(of...)to...的意思是“(把……)暴露给……”,符合本题的题意。又如,Exposure of your body to strong sunlight may be harmful。(把你的身体暴露在很强的阳光下可能是有害的。)contact(with)的意思是“与……接触”;use(of)的意思是“使用……”;touch(on)的意思是“接触……”,可见,其他三个选项的用法与本题不符。
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