单项选择题

It is a myth that the law permits the Food and Drug Administration to ignore requirements for ______ drugs while brand-name drugs still must meet these rigid tests.

A．specific
B．generic
C．intricate
D．acrid
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单项选择题
Thomas Wolfe portrayed people so that you came to know their yearnings, their impulses, and their wants--this was effective ______.
A．motivation
B．point of view
C．characterization
D．background
单项选择题
The scheme for rebuilding the city center ______, owing to the refusal of a council to sanction the expenditure of the money it would have required.
A．fell down
B．fell off
C．fell out
D．fell flat
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