In recent years a new and serious problem has arisen for international airlines and their passengers.

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问题 In recent years a new and serious problem has arisen for international airlines and their passengers.

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答案在最近几年,对于国际航空公司和飞机上的乘客来说,出现了一个全新和严重的问题。

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本试题收录于: 英语题库普高专升本分类
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