题目内容

关于早孕鉴别诊断有

A. 子宫肌瘤
B. 子宫颈癌
C. 尿潴留
D. 假孕

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Only you have your boarding pass can you take a plane. （有登机牌才能够乘坐飞机。）

A. 对
B. 错

You can arrive at the airport and take the plane at the time on the ticket.（你可以按照机票上的时间到达机场乘机。）

A. 对
B. 错

You can check in through the following ways:

A. Online check-in
B. Kiosk check-in
Counter check-in
D. Letter check-in

Arrange the steps to check in baggage.