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?

admin2009-02-15  45
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 第三段It is the pilot’s job to find out how he can get control of the plane again即是其中原因。
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