听力原文：M: Miss, what time is Flight 502 for Chicago due to depart？
W: It leaves at 3:50, but you must check in one hour before departure.
Q: When must the man check in？
(2)
A. 2:15.
B. 3:15.
C. 2:50.
D. 3:50.
查看答案
A．Because he is in good health.B．Because it's a pleasure in his life.C．Because she cann
A. Because he is in good health.
Because it's a pleasure in his life.
C. Because she cannot bear the smell.
D. Because it makes him cough badly.
听力原文：What can we learn from the conversation？
(17)
A. David and Margaret once worked together.
B. Margaret's mother likes David very much.
C. Two old friends met unexpectedly.
David and Margaret used to go to school every day.
A．David and Margaret once worked together.B．Margaret's mother likes David very much.C．
A. David and Margaret once worked together.
B. Margaret's mother likes David very much.
C. Two old friends met unexpectedly.
David and Margaret used to go to school every day.
A．In the city near the Central Park.B．Not live in the city.C．In the city near her work
A. In the city near the Central Park.
B. Not live in the city.
C. In the city near her work place.
D. Living in the country.
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