Waterfalls can be used to produce ( ) power.
A. electrition
B. electrics
C. electric
D. electrices
理想化是描述系统处于理想中的一种状态。
A. 对
B. 错
With regard ( )your recent application, I’m afraid we won’t offer you the job.
A. with
B. to
C. by
D. in
Born deaf(聋的),she could not use( )language to communicate with us.
A. nonverbal
B. verbal
C. foreign
D. boby