2. 外语
  3. What are researchers interested in doing as the road accidents worldwide increase to a shocking rate ? According to the second

What are researchers interested in doing as the road accidents worldwide increase to a shocking rate ? According to the second

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问题 What are researchers interested in doing as the road accidents worldwide increase to a shocking rate ?
According to the second paragraph, most road accidents happen
选项 A、because drivers fall asleep.
B、because drivers make mistakes.
C、because of engine failure.
D、because of speeding.
答案B
解析 第二段最后一句说，大多数汽车撞车事故是人为原因造成的，而不是机械故障的原因。所以C是错误选项；A和D中的fall asleep 和speeding 是人为原因，但只是部分人为因素，不能概全。
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