单项选择题

A．Your heart rate is lowered.
B．It becomes harder for you to relax.
C．You become too tired to sleep.
D．Your sleeping rhythms are disrupted.
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单项选择题
A．He has a lot of free time. B．Many of his friends are actors. C．She knows he likes acting. D．He’s looking for an acting job.
A．He has a lot of free time.
B．Many of his friends are actors.
C．She knows he likes acting.
D．He’s looking for an acting job.
单项选择题
A．Summer vacation. B．The housing office. C．Resident advisers. D．Check-out procedures.
A．Summer vacation.
B．The housing office.
C．Resident advisers.
D．Check-out procedures.
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