【单选题】关于调节阀的理想流量特性描述正确的是( )
B.
调节阀在实际工作条件下,其流量与开度之间的关系
【单选题】在窗体上画一个命令按钮,名称为Command1,然后编写如下程序:Private Sub Command1_ Click()Dim a As Integer, b As Integerdo while b <100 b=b+5 a=a+ b if b >20 then exit doLoopPrint a, bEnd Sub程序运行后,如果甲击命令按钮,则在窗体上显示的内容是______。
【单选题】在窗体上画一个命令按钮,名称为Command1。 Private Sub Command1 Click() Dim x As Integer,y As Integer x=10:y:0 Do x=x+2:y=y+x Print 'x=', x; 'y=',y If y>20 Then Exit Do Loop Until x=18 End Sub 程序运行后,如果单击命令按钮,则在窗体上显示的内容...
A.
x=12y=12 x = 14 y = 16 x=16 y=18
B.
x=12 y=12 x= 16 y =28 x= 18 y=24
【单选题】在窗体上画一个命令按钮,名称为Command1。然后编写如下程序: Private Sub Command1_Click() Dim i As Integer,a As Integer Do While i<20 Do While True If i Mod 10=0 Then Exit Do Else i=i-1 End If Loop i=i+11 a=a+i Loop Printa End ...
【单选题】---I don’t know_____________?---In ten minutes.
A.
how long has he been here
B.
how long will the film last
C.
how often he goes to visit his parents
D.
how soon the film will begin
【简答题】How long did he tell you he waited?
【单选题】---______ does Jim get to school? ---He usually ______ the bus.
【单选题】---Could you tell us ______? ---In two days.
A.
how long will he come back
B.
how long he will come back
C.
how soon will he come back
D.
how soon he will come back
【单选题】在窗体上画一个命令按钮,名称为Command1。然后编写如下程序:Private Sub Command1_ Click()Dim a As Integer, y As Integera =10: y = 0do a=a+2:y=y+ a Print 'a=' a 'y=', y if y>20 then exit doLoop until a>14End Sub程序运行后,如果单击命令按钮,则在...
A.
a=12 y=12 a=14 y=16 a=16 y=20
B.
a=12 y=12 a=16 y=28 a=14 y=24
【单选题】在窗体上画一个命令按钮,名称为Command1。然后编写如下程序: Pnvate Sub Command1_Click() Dim x As Integer,y As Integer,t As Integer x=10:y=20:t=0 If x=y Then t=x:x=y:y=t Print x;y End Sub程序运行后,如果单击命令按钮,则在窗体上显示的内容是( )。