题目内容

To improve our productivity, we'd have to ___________ the whole company.

A. regain
B. reorganize
C. reappear
D. reinforce

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We _________ raw materials and energy and export mainly industrial products.

A. import
B. impel
C. impose
D. impede

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

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