在窗体上添加一个名称为Command1的命令按钮,然后编写如下事件代码: Private Sub Command1_Click( ) Dim a(10,10) For m=2 To 4 For n=4 TO 5 a(m,n)m*n Next n Next m MsgBox a(2,4)+a(3,5)+a(4,5) End Sub 打开窗体运行后,单击命令按钮,则消息框的输出结果是( )。
A. 23
B. 33
C. 43
D. 53
同一种砌体结构,当对其承重墙、柱的允许高厚比验算当砂浆强度等级相同时,下列结论何者为正确( )
A. 砂浆强度等级相同时,墙比柱高
B. 砂浆强度等级相同时,柱比墙高
C. 砂浆强度设计值相同时,墙比柱高
D. 砂浆强度设计值相同时,柱比墙高
The article gives us a piece good advice about how to evaluate your child's work at home. That is
A. praise his success
B. reward him with a trip
C. give him a punishment
D. get rid of all the tests
Which of the following statements is NOT true'
A. The elder the kid is, the longer attention span he has.
B. Children will learn more when they think it is fun.
C. Young kids may quickly lose their interest in listening to their teacher.
D. Twin Sisters Productions came out with a line of CD-ROMs filled with fun children's music.