各国(地区)信息披露所采用的“重大性”概念的标准有()。
A.影响投资者决策标准
B.影响证券市场交易量标准
C.影响证券市场价格标准
D.影响企业发展前景标准
参考答案:A, C
选择性抑制细菌依赖性DNA的RNA聚合酶,阻碍mRNA合成的是()。
A.异烟肼
B.链霉素
C.利福平
D.乙胺丁醇
E.磺胺嘧啶
Assume the holder of a long futures position negotiates privately with the holder of a short futures position to accept delivery to dose out both the long and short positions. Which of the following statements about the transaction is most correct The transaction is:()
A. also known as delivery.
B. also known as an exchange of physicals.
C. the most common way to close a futures position.