Why did the Federal Aviation Authority require the black boxes be painted orangeyellow?
A . To distinquish them from the color of the plane
B . To caution people to handle them with care
c . To make them easily identifiable
D . To conform to international standards

答案是:

C
出自  思纽教育学院  >  伊犁师范-基础英语1

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本题添加时间:2023/8/31 10:39:00