一般组织的集权或分权程度,往往根据各管理层次拥有的决策权的情况来确定,其主要标志为决策的()。
A.代价
B.频度
C.幅度
D.重要性
E.控制程度
参考答案:B, C, D
The children all turned _____ the famous actress as she entered the classroom. [ ]
A. looked at
B. to look at
C. to looking at
D. look at
不是甾体激素的是()
A.雌酮
B.雌二醇
C.黄体酮(孕酮)
D.睾酮
E.卵泡刺激素