单项选择题

A．How winds affect temperature.
B．Reasons for sudden increases in wind.
C．The origin of storm systems.
D．How vertical air movement influences weather.
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单项选择题
A．It is not as bad as it used to be.B．Americans do not want to give up any more sleep.C．Americans guarantee to change the sleeping habits.D．Americans want to know just how bad it is to their health.
A．It is not as bad as it used to be.
B．Americans do not want to give up any more sleep.
C．Americans guarantee to change the sleeping habits.
D．Americans want to know just how bad it is to their health.
单项选择题
A．He might visit the woman in the hospital.B．He will refuse to accept the woman’s paper.C．He may deny the woman’s request to hospital.D．He will give the woman more time to write her paper.
A．He might visit the woman in the hospital.
B．He will refuse to accept the woman’s paper.
C．He may deny the woman’s request to hospital.
D．He will give the woman more time to write her paper.
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