资本市场要求产权结构必须具有开放性和( ),为优势企业进行兼并重组提供一种资产形态转换和资产流动的机制。
A.透明性 B.动态性 C.可得性 D.流动性
参考答案:D
Attention, please. All of you students _______ remain in their seats until all the papers have been collected.
A.can
B.will
C.may
D.shall
呼吸困难,短促急迫为()
A.喘证
B.哮证
C.上气
D.短气
E.少气