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______。
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