单项选择题

It is only in the last decade that people have become aware of the threat to the quality of the environment by unrestricted industrial production.

A．posed
B．propelled
C．prompted
D．provoked
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The police must have a search to search the room, otherwise it'll be considered as an illegal intrusion.
A．pledge
B．guarantee
C．license
D．warrant
单项选择题
For those who missed the opportunity for higher education, a major in the academic world. now provides a second chance.
A．intrigue
B．innovation
C．inflation
D．intuition
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