【判断题】我国以绝缘体的长度来标定火花塞的热特性。
【单选题】在窗体上画一个名为Command1的命令按钮,然后编写如下代码: Option Base 1 Private Sub Command1_ Click() Dim arr(4, 4) For i = 1 To 4 For j = 1 To 4 arr(i, j) = (i - 1) * 3 + j Next j Next i For i = 1 To 2 For j = 1 To 2 Print a...
【判断题】压缩空气系统中减压阀的作用是减压、稳压和调压。
【单选题】在窗体上画一个名为Command1的命令按钮,其Command1_Click事件过程如下: Sub Command1_Click() Dim student As studtype Dim record_no As Integer record_no=1 With student .ino=12 .strname='smith' .strsex='男' .smark=89 End With ___...
A.
Open 'c: /student.dat'For Input As #1 len(student)
B.
Open 'c: /student.dat'For random As #1 len(student)
C.
Open 'c: /student.dat'For Output As #1 len(student)
D.
Open 'c: /student.dat'For Append As #1 len(student)
【判断题】我国以绝缘体的长度来标定火花塞的热特性。
【单选题】在窗体上画一个名为Command1的命令按钮,其Command1_Click事件过程如下。 Sub Command1_Click() Dim student As studtype Dim record_no As Integer record n=1 With student .ino=12 .strname='Smith' .strsex=“男” .smark=89 End With ____...
A.
Open'c:/student.dat'For Input As # 1 len=len(student)
B.
Open'c:/student.dat:For random As # 1 len=len(student)
C.
Open'c:/student.dat'For Output As # 1 len=len(student)
D.
Open'c:/student.dat'For Append As # 1 len=len(student)
【单选题】在窗体上画一个名为Command1的命令按钮,其Command1_Click事件过程如下: Sub Command1_Click() Dim student As studtype Dim record_no As Integer record_no=1 With student .ino=12 .strname='smith' .strsex='男' .smark=89 End With ___...
A.
Open'c:/student.dat'For Input As # 1 len=len(student)
B.
Open'c:/student.dat'For random As # 1 len=len(student)
C.
Open'c:/student.dat'For Output As # 1 len=len(student)
D.
Open'c:/student.dat'For Append As # 1 len=len(student)