2. 外语
  3. By doing the "tank test", the engineers can find out ______. According to the text, why are test flights most dangerous?

By doing the "tank test", the engineers can find out ______. According to the text, why are test flights most dangerous?

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问题 By doing the "tank test", the engineers can find out ______.
According to the text, why are test flights most dangerous?
选项 A、The plane may explode in the air.
B、The pilot may lose control of the plane.
C、The engines may be damaged.
D、Too much air may get into the plane.
答案B
解析 根据文章最后一段，读者知道：飞机试飞时，发动机已经关闭，飞机像石头一样下落，飞行员的任务就是重新控制飞机。那么自然就可能出现飞行员不能重新控制飞机的情况，这与[B]选项一致，为正确答案。
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