2. 外语
  3. The main idea of this passage is ______. What is said about the over 100 aircraft incidents in the past 15 years?

The main idea of this passage is ______. What is said about the over 100 aircraft incidents in the past 15 years?

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问题 The main idea of this passage is ______.
What is said about the over 100 aircraft incidents in the past 15 years?
选项 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.
答案D
解析 读懂文章第1段第2句话In the last 15 years，pilots have reported well over 100 incidents that could have been caused by electromagnetic interference才能正确地选择答案D项。
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