单项选择题

Passage One Questions 11 to 13 are based on the passage you have just heard.

A．It’s the ultimate cause of winds.
B．It causes vertical movements of air.
C．It reduces differences in air pressure.
D．It’s used to predict weather patterns.
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单项选择题
A．The closing date has been postponed for another week.B．The man has to hurry to get the ticket ’if he’s interested.C．The party will run for another week but it is tough to get tickets.D．There is still enough time to sign up.
A．The closing date has been postponed for another week.
B．The man has to hurry to get the ticket ’if he’s interested.
C．The party will run for another week but it is tough to get tickets.
D．There is still enough time to sign up.
单项选择题
A．The main campus.B．The student population.C．The age-old ideals.D．The programs of the Division of Continuing Education.
A．The main campus.
B．The student population.
C．The age-old ideals.
D．The programs of the Division of Continuing Education.
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