单项选择题

A．By theme or period.
B．By style or design.
C．By manufacturer or origin.
D．By function or purpose.
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单项选择题
A．The man will easily find a good job in biochemistry.B．The man should choose another field with more opportunities.C．The man should try to get a job before he graduates.D．The man needs to study harder to be a biochemist.
A．The man will easily find a good job in biochemistry.
B．The man should choose another field with more opportunities.
C．The man should try to get a job before he graduates.
D．The man needs to study harder to be a biochemist.
填空题
pleasure
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