According to World Health Organization, how many people are killed by outdoor air pollution? The pesticide DDT can be effective

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问题 According to World Health Organization, how many people are killed by outdoor air pollution?
The pesticide DDT can be effective against ______.

选项 A、malaria
B、wildlife
C、animals
D、human nervous system

答案A

解析细节题。根据题干信息词The pesticide DDT定位到第二个小标题下的第二段The pesticide DDT does great damage to wildlife and can affect the human nervous system，but can also be effective against malaria(疟疾)，即：杀虫剂DDT会伤害野生动植物并且能影响人类的神经系统，但对预防疟疾是很有效的，故选A。

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大学英语六级

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According to World Health Organization, how many people are killed by outdoor air pollution? The pesticide DDT can be effective

大学英语六级

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