2. 职称英语
  3. If industrial pollution continues to deplete the ozone layer, the resulting incr

If industrial pollution continues to deplete the ozone layer, the resulting incr

游客2024-01-13  25
问题 If industrial pollution continues to deplete the ozone layer, the resulting increase in ultraviolet radiation will endanger human health, causing a rise in the incidence of skin cancer and eye disease, and perhaps even threatening global ecological systems.
选项 A、and perhaps even threatening
B、and may even threaten
C、and even a possible threat to
D、as well as possibly threatening
E、as well as a possible threat to
答案 B
解析 本句考核辨别并列结构的能力，即划线部分是与前面的哪一部分并列：是与前面的causing分词短词并列(如A、D)，是与谓语动词will endanger并列(如B)，还是与causing的宾语arise并列(如C、E)。假设A、D的并列方式是对的，则表明“危及人类健康(主句谓语)”这一动作会带来两个伴随结果：(1)导致皮肤癌及眼病的增加；(2)威胁全球生态环境。显然，第二个结果及主句这个行为是风马牛互不相及的事，句意上理解不通；采用类似办法，也可推断出第三种并列方式是错误的，从而第二种并列，即B选项正确，说明“紫外线的增加不仅会危及人类健康同时还会威胁全球的生态环境”。
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