单项选择题

The Food and Drug Administration is a federal agency responsible for______. laws designed to protect purity and safety of food and drugs.

A．enforcing
B．enhancing
C．endowing
D．entailing
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单项选择题
Employees draw their wages and pensions regularly from the bank which is trusted by their employers to handle the______.
A．traits
B．amends
C．trifles
D．transactions
单项选择题
He was bending over the basin and______ cold water on his face in order to keep himself a wake.
A．perishing
B．splashing
C．recurring
D．rotting
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