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
The Queen had______ over the biggest fundamental change in Britain's word role in a couple of hundred years.
A．presume
B．preside
C．prey
D．probe
单项选择题
The few English people who are in the region have been______ into French culture.
A．assimilated
B．ascribed
C．asserted
D．assaulted
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