单项选择题

Early signs of ______ seen in the herbal medicine study are extremely encouraging and based upon these data, we are now planning a registration program.

A．faculty
B．reception
C．deterioration
D．efficacy
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单项选择题
The solution was simple: gas the building with a hallucinogen and put the terrorists to sleep before they could ______ the bombs in the building. And it worked.
A．detonate
B．dismantle
C．demolish
D．desert
单项选择题
Now illegal copies of music CDs ______ losses of about $300 million in sales annually and $ 65 million lost government tax revenue.
A．conflict
B．inflict
C．compromise
D．defer
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