题目内容
（请给出正确答案）
下列Visual Basic语句中，正确的语句是 ______。
A．A=1.75E2.7
B．AS=BASIC
C．A$="X+Y+Z"
D．A$=B$+12
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更多“下列Visual Basic语句中，正确的语句是 _____…”相关的问题
A.Option Base 4
B. Option Base 2
C. Option Base 1
D. Option Base 3
设a=”Visual Basic”，下面语句中可使b=”Basic”的是（）。
A. b=Left(a，8)
B. b=Mid(a，8，5)
C. b=Right(a，8)
D. b=Lefl(a，8，5)
从下面提供的答案中选出应填入下列英文语句中______内的正确答案。
Application development increasingly means Windows development, and the popularity of visual development tools has(1)in tandem with Windows itself These tools create beautiful windowing(2), and their fast development cycles and easy learning curves make them a good(3)for many types of PC development projects. Today's developers are leveraging these tools and the abundance of heap, powerful PCs to shift the balance of power to the desktop.
As the world moves inexorably toward Windows and other(4)user interfaces, developers can choose from an abundance of(5)oriented tools. Popular examples include Microsoft Corp.'s Visual Basic, Powersoft Corp.'s PowerBuilder, Gupta Technology Corp.'s SQL Windows，and so on.
阅读以下说明及Visual Basic 程序代码，将应填入(n)处的字句写在对应栏内。
[程序5.1说明]
下列程序运行时，当单击窗体后，从键盘输入一个字符，判断该字符是字母字符、数字字符还是其他字符，并做相应的显示。窗体上无任何控件，并禁用Ase和Chr函数，Select Case语句中禁用枚举值。
[Visual Basic代码]
Private Sub Form. Load ()
Dim x As String*1
X=(1) (“请输入单个字符”，“字符”)
Select Case UCase ((2) )
Case (3)。
Print X+“是字母字符”
Case (4)
Print X+ “是数字字符”
Case Else
Print X+“是其他字符”
End Select
[程序5.2说明]
在窗体上画一个名称为Timer1的计时器和一个名称为Labe11的标签。当运行程序后，将在标签中显示当前时间的数字时钟(包括时：分：秒)。
[Visual Basic代码]
Private Sub Fom_Load ()
Timer1.Interval=1000
EndSub
Private Sub Timer1_ timer() (5)
EndSub
A.Visual Basic
B.PASCAL
C.C
D.FORTRAN
A、机器语言、汇编语言和高级语言
B、C语言、C++语言和Visual C++语言
C、Visual C++语言、Visual FoxPor语言和Visual Basic语言
D、机器语言、高级语言和自然语言
从下面提供的答案中选出应填入下列英文语句中______内的正确答案。
A local-area network(LAN) is a communications network that(1)a variety of device and provides a(2)for information exchange among those devices. The scope of the LAN is small typically a single building or a cluster ofbuildings. The LAN is usually owned by the same organization that owns the(3)devices. The internal data rate of LAN is at least several Mbps. The basic Of LAN communication is broadcasting. At each station, there is a transmitter/ receiver that communicates over a(4)shared by other stations.A transmission from any one station is(5)to and received by all other stations.
The obvious advantage of a Graphical User Interface (GUI) is to organize the computer to make(1)fromahuman(2), rather than to force users to adapt to the(3)of computers and software. GUI is converging to the point where a(4)person can walk up to a computer, experiment briefly with the mouse and the(5)objects on screen, and gain some understanding ofhow to accomplish basic tasks.
供选择的答案：
(1)iconic (2) converge (3) sense (4) use
(5) perspective (6) capable (7) peculiarities (8) imaging
下列可作为Visual Basic变量名的是 ______。
A．A#A
B．4A
C．？ xy
D．constA
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