大学英语大学英语大学英语四级(CET4)2010年6月大学英语四级(CET-4)考试真题
题目内容

What does the author say about the black box、

2024-07-09

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 airplan

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