委托方每年()召开一次针对委托变电站运行维护的专题会议。
A.5月
B.12月
C.1月
D.9月
参考答案:B
下列不属于基因含有的碱基成分是()
A.U
B.T
C.G
D.C
Which of the following is not part of the change-management process of IT supervisor?().
A.change analyses
B.change evaluation
C.change acquisition
D.change executing