Smoking cigarettes adds to the general levels of air pollution as damaging our health.

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问题 Smoking cigarettes adds to the general levels of air pollution as damaging our health.

选项 A、吸烟不仅对健康有害,而且增加了空气污染程度。
B、吸烟增加了空气污染的总体状况,这就有害健康。
C、吸烟增加空气污染的程度与危害健康的程度一样大。
D、吸烟及空气污染同样都会危害我们的身体健康。

答案A

解析
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