扁平结构的优点包括( )
A. 缩短了上下级距离
B. 信息纵向流通快
C. 严密监督下级
D. 横向协调容易
E. 管理费用低
I'm tired to think of anything now.
A. such
B. too
C. enough
D. So
This question is difficult for me to answer.
A. such
B. too
C. enough
D. So
English is difficult for me to learn well.
A. such
B. too
C. enough
D. So