单项选择题


Questions 22 to 25 are based on the conversation you have just heard.

A．2000000.
B．3500.
C．110000.
D．361.
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单项选择题
A．9 each year.B．24 each year.C．12 each semester.D．9 each semester.
A．9 each year.
B．24 each year.
C．12 each semester.
D．9 each semester.
单项选择题
A．At this moment.B．After he selects courses.C．At the end of the first year.D．At the end of the first semester.
A．At this moment.
B．After he selects courses.
C．At the end of the first year.
D．At the end of the first semester.
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