Growing levels of pollution represent a serious health hazard to the local population.

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问题 Growing levels of pollution represent a serious health hazard to the local population.

选项 A、protection
B、indication
C、immunity
D、danger

答案D

解析本句意思：日益严重的污染对当地人民的健康构成了重大威胁。hazard意为“危险，隐患”，与danger(危险)意思相近。protection保护，防护；indication标示，迹象；immunity免疫力。

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职称英语综合类B级

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