2010年6月英语四级考试真题
57. What does the author say about the black box?
A) It ensures the normal functioning of an airplane.
B) The idea for its design comes from a comic book.
C) Its ability to ward off disasters is incredible.
D) It is an indispensable device on an airplane.
58. What information could be found from the black box on the Yemeni airliner?
A) Data for analyzing the cause of the crash.
B) The total number of passengers on board.
C) The scene of the crash and extent of the damage.
D) Homi