细胞内含量最多的RNA是()
A. snRNA
B. snoRNA
C. tRNA
D. rRNA
下列程序的执行结果为 Private Sub Commandl_Click( ) Dim X As Integer,y As Integer x=12:y=20 Call Value(x,y) Print X;y End Sub Private Sub Value(ByVal m As Integer,ByVal n As Integer) m=m * 2:n=n-5 Print m;n End Sub
A. 20 12
B. 20 15
C. 12 20
D. 12 25
E. 24 15
F. 12 20
G. 24 12
H. 12 15
Questions 1 to 5 are based on an interview. At the end of the interview, you will be given 10 seconds to answer each of the following 5 questions. Now listen to the interview. Which of the following is a particular way to deal with aggressive children
A. Giving them severe punishment.
B. Telling them to behave themselves.
C. Organizing them to fight.
D. Sending some of them to prison.
证券登记结算机构保存原始凭证的期限最少为20年。( )
A. 对
B. 错