单项选择题

The drugs must _________ in every way to the standards established by the federal government.

A．confine
B．convene
C．conform
D．comply
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单项选择题
If a scientist holds an idea to be true and finds any counter evidence whatever, the idea is either or abandoned.
A．modified
B．ascertained
C．testified
D．violated
单项选择题
In 2000, retail sales volume in local urban and rural areas rose 57.8 percent and 46.8 percent
A．individually
B．respectively
C．accordingly
D．incidentally
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