题目内容

Within this broad range of concerns the question of technology has played a central and ____ role.

A. mechanized
B. combine
C. determining
D. restrict

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If we can ___ farming, we can produce more crops with fewer people.

A. mechnanize
B. combine
C. determining
D. restrict

The __ is only a few blocks from here.

A. bulk
B. tanker
C. depot
D. courier

The __ jacket makes it difficult for him to move

A. bulky
B. tanker
C. depot
D. courier

The speed ___ on this highway is 80 kilometers per hour.

A. mechnanize
B. combine
C. determining
D. restriction