在组织系统内,依据组织明文规定的原则进行的沟通叫()。
A.横向沟通
B.纵向沟通
C.正式沟通
D.环式沟通
参考答案:C
It __________ Tom that parked the car here, as he is the only one with a car.
A.may be
B.might have been
C.must have been
D.could be
报表不能对数据源中的数据 【9】 。