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王老师:19139051760(拨打)
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第1题

Why did the Federal Aviation Authority require the black boxes be painted orangeyellow? A . To distinquish them from th
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第2题

why was the black box redesigned in 1965? A . New materials became available by that time B . Too much space was neede
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第3题

What information could be found from the black box on the Yemeni airliner? A . Data for analyzing the cause of the cras
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第4题

,What does the author say about the black box? A . It ensures the normal functioning of an airplane B . The idea for i
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