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题型:单选题 题类:常考题 难易度:普通
浙江省高中信息技术 VB基本语句同步练习
Dim f1 as long, f2 as long, f as long
n=val(Text1.Text)
f1=1
f2=1
For k=3 to n
Next k
Label1.Caption=“斐波那契数列第”+str(n)+“项的值为”+str(f)
方框中的代码由以下三部分组成:
①f2=f ②f1=f2 ③f=f1+f2
代码顺序正确的选项是( )
n = 0: i = 2: f = True
Do While i <= 6 And f
n = n + 1
f = False
For j = 6 To i Step -1
If a(j) < a(j - 1) Then
t = a(j): a(j) = a(j - 1): a(j - 1) = t
Last = j
f = True
End If
Next j
i = Last + 1
Loop
数组元素a(1)到 a(6)的值依次为“10,16,82,36,51,87”,经过该程序段“加工”后,下列说法不正确( )
count=0
For i=1 To 20
a(i) =Int(Rnd*100) + 1
Next i
For i= 1 To 20
①
For i= 1 To 100
If b(i) <> 0 Then count =count+1
Label 1.caption=“不重复数字个数”+Str(count)
为实现上述功能,则程序①处应填入的语句为( )
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