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

游客2023-09-15  41

问题 According to World Health Organization, how many people am killed by outdoor air pollution? [br] According to the passage, land can be polluted by ______ from agriculture.

选项 A、heavy metals
B、pesticides and nitrate-poor fertilizers
C、slurry from livestock
D、rubbish

答案 C

解析 根据题干信息词land can be polluted定位到第五段第三句话。即:来自农业的杀虫剂(pesticides)、富含硝酸盐的化肥(nitrate-rich fertilizers)以及家畜带来的泥浆(slurry from livestock)都会污染土地,故选C。
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