如图是正在传播的一列波,通过这个波,我们不能知道的是
A.波源的振幅
B.波源振动的周期
C.波传播的速度
D.波源振动的频率
答案:C
— Look! The people are fighting over there. Let's go to stop them.
— Can't you see? Many people are watching. They _____ a movie. [ ]
A. have made
B. may be making
C. will make
D. must be making
下列关于建立和完善我国商业银行的内控机制,说法错误的是( )。
A.建立合理的组织结构B.建立完善的内控制度体制C.完善内部稽核制度D.削减各项内部管理机制