What percentage of the baggage is required to be checked at Security Level1?

题库:船长 类型:最佳选择题 时间:2019-02-14 17:22:46 免费下载:《甲类船长英语考证》Word试卷

What percentage of the baggage is required to be checked at Security Level1?
A.25-50%
B.The percentage is not specified
C.100%
D.5-15%

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