单项选择题

A．Information on sources of infection.
B．Suggestions on how to treat heating loss.
C．A chart of sounds and decibel levels.
D．A list of doctors who test hearing.
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单项选择题
A．Leaders of the Southern rebellion.B．Slaves in the Southern states.C．Northern opponents of the war.D．Southern soldiers.
A．Leaders of the Southern rebellion.
B．Slaves in the Southern states.
C．Northern opponents of the war.
D．Southern soldiers.
单项选择题
A．The food at the new restaurant is not very good.B．He has not been to the new restaurant yet.C．He would like to go to the new restaurant with the woman.D．A restaurant’s atmosphere is very important to him.
A．The food at the new restaurant is not very good.
B．He has not been to the new restaurant yet.
C．He would like to go to the new restaurant with the woman.
D．A restaurant’s atmosphere is very important to him.
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