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According to World Health Organization, how many people are killed by outdoor ai

游客2023-09-15  82
问题 According to World Health Organization, how many people are 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 细节题。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Affected species include polar bears-so not even the Arctic is immune．And the chemicals climb the food chain，from fish to mammals，and to us，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，未提到鸟，故选D。
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