蛙泳转身技术由（）几个技术环节组成A、触及池壁 C、转身 B、蹬离式 D、滑行

—What did Kate say just now?

—She asked _________.

A．who has been to the USA in our class

B．what was wrong with my computer

C．when did China become a member of the World Trade Organization

D．that China had successfully held the Olympic Games

—Listen! _____.

—Let's go to the classroom. [ ]

A. There goes the bell

B. The bell goes there

C. Here come the bell

内部监督的主体是公安机关自身，主要有督察监督、法制部门监督以及行政复议和国家赔偿制度等。( )

当DXU上黄色的BSFAULT灯亮时，表示的含义为：（）。

A、RBS没有故障存在

B、一个或更多的外部告警产生

C、在DXU或RBS存在一个或更多的故障

D、由BSC对DXU进行重起

根据我国《商标法》的有关规定，不可以作为商标申请注册的是（）。

A.数字

B.三维标志

C.颜色组合

D.音乐