四六级考试

【单选题】 What is said about the over 100 aircraft incidents in the past 15 years
A．They may have been caused by the damage to the radio systems.
B．They may have taken place during take-off and landing.
C．They were proved to have been caused by the passengers' portable computers.
D．They were suspected to have resulted from electromagnetic interference.

网考网参考答案：D
网考网解析：
辨认事实题。本题询问有关过去15年内超过100宗飞行事故中，有什么说法。[A]意为“它们有可能是由于无线电设施被损害而造成的”“[B]“它们有可能在起飞和降落过程中发生”；[C]它们被证明是由于乘客的手提电脑而造成的”；[D]它们被怀疑是因电磁干扰而引起的”。由第1段第2句“…100 incidents...could have been caused by electromagnetic interference可能因电磁干扰而引起”，我们可以得知[D]为正确答案。 查看试题解析出处>>