题目内容

我们平时听到的音是由许多个音组合而成的______。由全段震动产生的音称为______;由各部分震动产生的音称为______。

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His speech _____________ the importance of attracting industry to the town.

A. emphasizing
B. emphasized
C. emphasizes
D. be emphasized

It should ____________ that this is only one possible explanation.

A. emphasized
B. beemphasized
C. emphasizes
D. emphasizing

Leadership is about the ability ___________ change.

A. implemented
B. implement
C. to implement
D. to be implemented

He tried to __________ a technocratic economic policy.

A. implement
B. implemented
C. implements
D. implementing

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