题目

用随机数产生50个[10,100]不重复的正整数放入数组,从小到大排序,每行输出10个数。PrivateSub Command1Click() Dim a(1 To 50) As Integer, i%, j%, t%, p%,n%, x% n=0 Randomize Do While n<50 x= For i= 1 To nIf Then Exit For Next i If i> n Thena(n)=x End If Loop For i= 1 To 49 For j=i+ 1 To 50If a(p)> a(j) Then Next j t= a(p): a(p) = a(i): a(i)=t Next i For i= I To 50 Print a(i); if Then Print Next iEndSub下列物质的化学用语正确的是 A.NH4Cl的电子式:                   B.硝基苯的结构简式: C. 3216S2-结构示意图:         D.甲烷分子的比例模型:
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