单项选择题

Questions 1 to 8 are based on the conversation you have just heard.

A．Give the ring to a policeman.
B．Wait for the owner of the ring in the rest room.
C．Hand in the ring to the security office.
D．Take the ring to the administration building.

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单项选择题

A．Students’ opinions of the program they take.B．The situation of biology education.C．The quality of professors.D．The quality of equipment.

A．Students’ opinions of the program they take.
B．The situation of biology education.
C．The quality of professors.
D．The quality of equipment.

Questions 1 to 8 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。

Questions 1 to 8 are based on the conversation you have just heard.