2. 外语
  3. Smoking cigarettes adds to the general levels of air pollution as well as damaging our health.

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

admin2009-05-28  37
问题 Smoking cigarettes adds to the general levels of air pollution as well as damaging our health.
选项 A、吸烟危害健康、污染空气。
B、空气污染及吸烟危害了人的健康。
C、吸烟不仅对健康有害，而且增加空气污染程度。
D、吸烟增加空气污染的程度与吸烟危害人体健康的程度一样大。
答案C
解析
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