车用发电机是在发动机的驱动下，将（）转变为电能的装置。
A.热能
B.机械能
C.重力势能
D.电信号
参考答案：B
组织变革的程序包括()。
A.确定问题
B.组织诊断
C.实行变革
D.制订计划
E.变革效果评估
Our son doesn't know what to__________at the university; he can't make up his mind about his future.[ ]
A. take in
B. take up
C. take over
D. take after
