A：What’s the extent of the delay？ B：（）

（单选题）

Does everyone have to receive a personal search（）？

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（单选题）

A flight from one country to another country is calleda（）.

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（判断题）

After a passenger checks in for his flight, he has to go through the passport centrol and securit chock before boarding.（）

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（判断题）

After baggage search, the staff may say to the passenger,“please take your baggage and have a rest at the checkpoint.”。（）

答案解析