单项选择题

下列描述中正确的是( )。

A．程序就是软件
B．软件开发不受计算机系统的限制
C．软件既是逻辑实体，又是物理实体
D．软件是程序、数据和相关文档的集合

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单项选择题

下述程序执行后，输出结果是( )。 For n = 3 To 1 Step-1 x$ = String$(n, # ) Print x$ Next n

A．1#
2#
3#
B．###
##
C．#
##
###
D．3#
2#
1#

单项选择题

设在工程中定义了如下类型： Type stutype ino As Integer strname As String*20 strsex As String* 1 smark As Single End Type在窗体上正确使用这个类型的是下列哪个操作( )。

A．Sub Commandl_Click0
Dim student As Stutype
With student
.ino = 12
. strname = smith
.strsex =
.smark = 89
End With
End Sub
B．Sub Commandl_Click0
Dim student As Stutype
With student
.ino = 12
.strname = "smith"
.strscx = "男"
.smark = 89
End With
End Sub
C．Sub Commandl_Click0
Dim student As Stutype
With Stutype
ino = 12
.strname = "smith"
.strsex = "男"
.smark = 89
End With
End Sub
D．Sub Command1 _Click()
Dim student As Stutype
With student
.ino = 12
.strname = "smith"
.strsex = "男"
.smark = 89
End student
End Sub

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