What do we know about the black boxes from Air France Fligh 447？
A. There is still a good chance of their being recovered.
B. There is an urgent need for them to be reconstructed.
C. They have stopped sending homing signals.
D. They were destroyed somewhere near Brazil.
查看答案
A.Shooting them．B.Poisoning them．C.Asking the local hunt to hunt for the
A. Shooting them．
B. Poisoning them．
C. Asking the local hunt to hunt for them．
D. All of the above．
A.Highway 40.B.Highway 14.C.Highway 90.D.Highway 19.
A. Highway 40.
B. Highway 14.
C. Highway 90.
D. Highway 19.
A.To obtain a toy.B.To decorate their life.C.To make money.D.To
A. To obtain a toy.
B. To decorate their life.
C. To make money.
D. To show their wealth.
Why did the Federal Aviation Authority require the black boxes be painted orange or yellow？
A. To distinguish them from the colour of the plane.
B. To caution people to handle them with care.
C. To make them easily identifiable.
D. To conform. to international standards.
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