单项选择题

We learn from the text that ______.

A．the passengers will have a morning flight
B．they will have meals during the flight
C．the plane is going to fly across a mountain
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单项选择题
The announcement is made ______.
A．during the flight
B．before taking off
C．after taking off
单项选择题
Can people smoke in the plane
A．No, they can't.
B．Yes, but only in some areas of the plane.
C．Yes, but only in the cabin.
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