单项选择题

According to the speaker, what problem may indoor air pollution bring to people

A．They may feel exhausted.
B．They may feel very nervous.
C．They may have heartache.
D．They may suffer a cold.
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单项选择题
A．Fly to Cleveland directly.B．Take a connecting flight at Seattle.C．Buy the ticket at Seattle.D．Buy a domestic airline ticket.
A．Fly to Cleveland directly.
B．Take a connecting flight at Seattle.
C．Buy the ticket at Seattle.
D．Buy a domestic airline ticket.
单项选择题
What is the woman’s first suggestion to her hus-band
A．He should start with a light workout.
B．He should go to have a check-up.
C．He should eat less fatty foods.
D．He should visit a fitness trainer.
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