根据中国证监会的准则制度,招股说明书包括()
A. 招股说明书封面
B. 招股说明书目录
C. 招股说明书正文
D. 招股说明书附录
E. 招股说明书备查文件
精馏过程是一个()和多次汽化多次冷凝的过程
A. 传质传热过程
B. 传热过程
C. 传质传热
失事后造成损失不大的水利水电工程的1~4级主要永久性水工建筑物,经过论证并报主管部门批准,其级别可()。
A. 提高一级
B. 降低一级
C. 不变
D. 提高一级,但洪水标准可不提高
You are using the following command to clear the log file group: ALTER DATABASE CLEAR LOFFILE GROUP 2; In which case would the command be successful?()
A. Group 2 is the active group.
B. Group 2 is the current group.
C. Database is in the MOUNT state.
D. Group 2 has been already archived.