单项选择题

Researchers discovered that plants infected with a virus give off a gas that（）disease resistance in neighboring plants.

A. contracts
B. activates
C. maintains
D. prescribe

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单项选择题
I didn’t say anything like that at all. You are purposely（）my ideas to prove your point.

A. revising
B. contradicting
C. distorting
D. distracting
单项选择题
The government has provided the capital library with heavy （） to keep it one of the largest in the world.

A. subscriptions
B. tips
C. subsidies
D. bonuses
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