We _________ raw materials and energy and export mainly industrial products.
A. import
B. impel
C. impose
D. impede
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My computer crashes every time I ____________ from the Internet.
A. disinfect
B. disconnect
C. disapprove
D. disappear
_______________activity is essential to effective community work.
A. Cooperate
B. Corporate
Cooperative
D. Coordinate
Why do some people so easily accept new technologies, ________others don't?
A. instead
B. however
C. although
D. whereas
It is enough to say _____ the game is wildly popular.
A. which
B. that
C. in which
D. in that