单项选择题

Passage Three
Questions 32 to 35 are based on the passage you have just heard.

A．Several weeks.
B．Until your doctor tells you.
C．12 months.
D．At least 6 months.
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单项选择题
A．We lose a day.B．We add 24 hours.C．We gain 12 hours.D．We add an extra month.
A．We lose a day.
B．We add 24 hours.
C．We gain 12 hours.
D．We add an extra month.
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