单项选择题


Questions 23 to 25 are based on the conversation you have just heard.

A．Three weeks.
B．One month.
C．Three months.
D．Over a year.
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单项选择题
A．It focuses automatically.B．It has a lot of specialized lenses.C．It is easy to load.D．It advances the film automatically.
A．It focuses automatically.
B．It has a lot of specialized lenses.
C．It is easy to load.
D．It advances the film automatically.
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