单项选择题

A．a machine
B．a camera
C．a photo
D．a dictionary
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单项选择题
A．6 to 8 weeks.B．Three months at most.C．Six months at least.D．One year old.
A．6 to 8 weeks.
B．Three months at most.
C．Six months at least.
D．One year old.
单项选择题
A．250, 000 jobs.B．25, 000 jobs.C．2, 500, 000 jobs.D．2, 500 jobs.
A．250, 000 jobs.
B．25, 000 jobs.
C．2, 500, 000 jobs.
D．2, 500 jobs.
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