V1导联R/S>1,V5导联R/S<1,常见于()。
第1题:
假定有如下的Sub过程: Sub S(x As Single,y As Single) t=x x=t/y y=t Mod y End Sub 在窗体上画一个命令按钮,然后编写如下事件过程: Private Sub Command1_Click() Dim a As Single Dim b As Single a=5 b=4 S a,b Print a,b End Sub 程序运行后,单击命令按钮,输出结果为 ______ 。
A.5 4
B.1 1
C.1.25 4
D.1.25 1
第2题:
编写如下事件过程: Private sub sub1 (ByVal x1 As String, y1 As String) Dim xt As String Dim i As Integer i = Len(x1) Do While i>= 1 xt = xt + Mid(x1, i, 1) i=i-1 Loop y1 = xt End Sub Private Sub Form. Click() Dim s1 As String, s2 As String s1= "teacher" sub1 s1, s2 Print s2 End Sub 程序运行后,单击窗体,则窗体上显示的内容是
A.rehcaet
B.tahreee
C.themee
D.eerthea
第3题:
CRBBB的ECG特点是
A、QRS波群时限≥0.12 s,V1~2导联QRS波群呈rsR’型,V5~6导联S波增宽变深
B、QRS波群时限≥0.12 s,V1~2导联QRS波群呈rS型,V5~6导联S波增宽变深
C、QRS波群时限≥0.12 s,V1~2导联QRS波群呈rsR’型,V5~6导联R波增宽伴有切迹
D、QRS波群时限≥0.12 s,V1~2导联QRS波群呈rS型,V5~6导联R波增宽伴有切迹
E、QRS波群时限≥0.12 s,V1~2导联QRS波群R波增宽伴有切迹,V5~6导联QRS波群呈rSR’型
第4题:
A.su
B.suroot
C.su-root
D.su-c"root"
第5题:
下面程序的输出结果是。 Private Sub Commandl_Click ch$=“ABCDEF” proc ch:Print ch End Sub Private Sub proc(ch As Stnng) s=“” For k=Len(ch) TO 1 Step -1 s=s&Mid(ch,k,1) Next k ch=s End Sub A.ABCDEF B.FEDCBA C.A D.F
第6题:
假定有如下的Sub过程: Sub S(x As Single,y As Single) t=x x=t/y y=t Mod y End Sub 在窗体上画一个命令按钮,然后编写如下事件过程: Private Sub Command1_Click() Dim a As Single Dim b As Single a=5 b=2 S a,b print a,b End Sub 程序运行后,单击命令按钮,输出结果是( )。
A.5 2
B.1 1
C.1.25 4
D.2.5 1
第7题:
写出程序运行的结果
Public class Base
Public virtual string Hello() {return “Base”;}
Public class Sub:Base
Public override string Hello() {return “Sub”;}
1. Base b = new Base(); b.Hello;
2. Sub s = new Sub(); s.Hello;
3. Base b = new Sub (); b.Hello;
4. Sub s = new Base(); s.Hello;
第8题:
下列关于正常心电图的描述,不正确的是()。
A.V1导联R/S<1
B.V5导联R/S>1
C.aVR导联R波<0.5mV
D.aVL导联R波<1.2mV
E.aVF导联R波<1.0mV
第9题:
编写如下事件过程: Option Base 1 Private Sub Form Click() Dim x1()As Integer Dim i As Integer Dim s As Integer ReDim x1(3) For i = 1 To UBound(x1) x1(i)=i + 1 Next i Call sub1(x1) For i = 1 To UBound(x1) s = s + x1(i) Next i Print s End Sub Private Sub sub1(n()As Integer) Dim i As Integer ReDim Preserve n(5) For i = 3 To 5 n(i)=n(i-1)*2 Next i End Sub 程序运行后,单击窗体,则窗体上显示的内容是
A.6
B.12
C.24
D.47
第10题:
有如下程序: Private Sub Command1 Click() Dim a As Single Dim b As Single a=5:b=4 Call S(a,B)End Sub Sub S(x As Single,y As Single) t=x x=t\y y=t Mod y End Sub 在调用运行上述程序后,a和b的值分别为
A.0 0
B.1 1
C.2 2
D.1 2