金融资产首次出售给公众所形成的交易市场是( )。
A. 发行市场
B. 二级市场
C. 第三市场
D. 第四市场
It's a pity that some of the people cannot come to the party.
A. inviting
B. invited
C. to invite
D. were invited
It is important to our awareness about environmental protection.
A. improve
B. make
C. form
D. raise
已知随机变量X在[-1,1]上服从均匀分布,Y=X3,则X与Y
A. 不相关且相互独立.
B. 不相关且相互不独立.
C. 相关且相互独立.
D. 相关且相互不独立.