According to World Health Organization, how many people am killed by outdoor air

游客2023-09-15  30

问题 According to World Health Organization, how many people am killed by outdoor air pollution? [br] What kind of animal affected by man-made chemicals is not referred in the passage?

选项 A、Polar bears.
B、Mammals.
C、People.
D、Birds.

答案 D

解析 根据题干信息词man-made chemicals和affected定位到第一个小标题下第二段末句。即:受人造化学制品影响的种类包括北极熊、从鱼到哺乳动物的生物链,也包括人,原文未提到鸟,故选D。
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