用于高强混凝土的粗骨料的最大粒径不应大于( )。
A.40mm B.20mm C.25mm D.50mm
参考答案:C
椅座距离
有如下程序: Private Sub Command1_Click() Dim k As Integer,m As Integer Dim op As Integer k=4:m=1 op=PPC(k,m):Print op; op=PPC(k.m):Print op End Sub Private Function PPC(a As Integer,b As Integer) Static m As Integer,i As Integer m=0:i=2 i=i+m+1 m=i+a+b PPC=m End Function 程序运行后,输出的结果为
A.4 6
B.6 6
C.8 8
D.10 12