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单项选择题

A．To talk about the evening class with the man.
B．To see what class the man will attend
C．To attend one or two evening classes together with the man.
D．To find what classes the man is interested in.
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热门试题

单项选择题A．By mixing high frequency sound waves with low frequency sound waves.B．By producing pressure waves going in the opposite direction.C．By mixing new sound waves with the noise and sending them out together.D．By making copies of the unwanted sound waves and letting them out a little later.

A．By mixing high frequency sound waves with low frequency sound waves.
B．By producing pressure waves going in the opposite direction.
C．By mixing new sound waves with the noise and sending them out together.
D．By making copies of the unwanted sound waves and letting them out a little later.

单项选择题A．It’s a real wedding ceremony.B．It’s just the imitation of the wedding ceremony.C．It’s a serious ceremony.D．It’s just a discussion among students.

A．It’s a real wedding ceremony.
B．It’s just the imitation of the wedding ceremony.
C．It’s a serious ceremony.
D．It’s just a discussion among students.