同条件下,FeCl3能与KI反应生成I2,FeSO4能与溴水反应生成Fe2(SO4)3,由此可以推断电极电位φI2/I-,φBr-/Br-和φFe3+/Fe2+中最大的是(),最小的是()。
同条件下,FeCl3能与KI反应生成I2,FeSO4能与溴水反应生成Fe2(SO4)3,由此可以推断电极电位φI2/I-,φBr-/Br-和φFe3+/Fe2+中最大的是(),最小的是()。
相关考题:
下面运行程序后,单击命令按钮,输出的结果是______。Private Sub Commandl_clck()Dim a%(1 To 4),b%(3 To 6),i%,s1,s2Fori=1 To 4a(i)=iNextiFor i=3 To 6b(i)=iNextis1=YAS(a)S2=YAS(b)Printt"s1=";S1"S2=";s2End Sub
执行下列的程序,消息框里显示的结果是______。Pfivate Sub Form_Click()Dim Str As StringStr=""S="Access"For i=Len(S) To 1 Step-1Str=StrMid(S.i,1)Next IMsgBox StrEnd Sub
下列程序的执行结果为Private Sub Command1_Click()Dim s1 As String, s2 As Strings1= "abcd"Call Transfer(s1, s2)Print s2End SubPrivate Sub Transfer (ByVal xstr As String, ystr As String)Dim tempstr As Stringi=Len(xstr)Do While i =1tempstr=tempstr + Mid(xstr, i, 1)i=i - 1Loopystr=te mpstrEnd Sub( )。A.dcbaB.abdcC.abcdD.dabc
单击窗体时,下列程序的执行结果是Private Sub Invert(ByVal xstr As String, ystr As String)Dim tempstr As StringDim I As IntegerI=Len(xstr)Do While I =1tempstr=tempstr + Mid(xstr, I, 1)I=I - 1Loopystr=tempstrEnd SubPrivate Sub Form_Click()Dim s1 As String, s2 As Strings1= "abcdef"Invert s1, s2Print s2End Sub( )。A.abcdefB.afbecdC.fedcbaD.defabc
有如下程序:Private Sub Command1_Click()a$= "A WORKER IS HERE"x=Len(a$)For i=1 To x - 1b$=Mid$(a$, i, 3)If b$= "WOR" Then S=S + 1NextPrint SEnd Sub单击命令按钮,程序运行结果为( )A.1B.2C.3D.5
阅读程序: Sub p( b () As Integer)For i =1To 4 b(i) = 2(iNext i End Sub Private Sub Command1_Click()Dim a (1 To 4) As Integer a(1)=5 a(2)=6 a(3)=7 a(4)=8 call p (a) For i=1 To 4 Print a(i) Next iEnd Sub运行上面的程序,单击命令按钮,输出结果为。
在窗体上画一个命令按钮,然后编写如下事件过程: Private Sub Commandl_Click() Dim a() a=Array(1,3,5,7) s=0 For i=1 To 3 S=S*10+a(i) Next i Print s End Sub 程序运行后,输出结果为( )。A.135B.357C.531D.753
在窗体中添加一个名称为Com1的命令按钮,然后编写如下程序:Private Sub s(ByVal p As Integer)p=p*2End SubPrivate Sub Com1_Click()Dim i As Integeri=3Call s(i)If i>4 Then i=i^2End sub窗体打开运行后,单击命令按钮,则消息框的输出结果为( )。
以下程序的运行结果是( ) #define MAX 10 int a[MAX],i; main() { printf("\n");sub1();sub3(A) ,sub2(),sub3(A) ; } sub2() { int a[MAX],i,max; max=5; for(i=0;i<max;i++)a[i]=i; } sub1() {for(i=0;i<MAX;i++)a[i]=i+i; } sub3(int a[]) { int i; for(i=0;i<MAX,i++)printf("%d",a[i]); printf("\n"); }A.0 2 4 6 8 10 12 14 16 18 0 1 2 3 4B.0 1 2 3 4 0 2 4 6 8 10 12 14 16 18C.0 1 2 3 4 5 6 7 8 9 0 1 2 3 4D.0 2 4 6 8 10 12 14 16 18 0 2 4 6 8 10 12 14 16 18
在窗体中添加一个名称为Command1的命令按钮,然后编写如下程序:Private Sub s(ByVal p As Integer)p=p*2End SubPrivate Sub Command1_click()Dim i As Integeri=3Call s(i)If i>4 Then i=i^2MsgBox iEnd Sub窗体打开运行后,单击命令按钮,则消息框的输出结果为【 】。
在窗体上画一个名称为CoilTlilandl的命令按钮,然后编写如下事件过程: Private Sub command1 Click() Dim m As Integer, i As Integer, x(3)As Integer For i=0 To 3:x(i)=i:Next i For i = 1 To 2: Call sub1(x,i):Next i For i = 0 To 3: Print x(i);: Next i End Sub Private Sub sub1(a()As Integer,k As Integer) Dim i As Integer Do a(k)=a(k)+a(k+1) j = j + 1 Loop While j < 2 End Sub 程序运行后,单击命令按钮,则窗体上显示的内容是A.0 3 7 5B.0 1 2 3C.3 2 4 5D.0 5 8 3
有如下程序: Private Sub Command1_Click() as="A WORKER IS HERE" x = Len(a$) For i=1 To x - 1 b$ =Mid$(a$, i,3) If b$ ="WOR" Then S=S+ 1 Next Print S End Sub 单击命令按钮,程序运行结果为A.1B.2C.3D.5
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.rehcaetB.tahreeeC.themeeD.eerthea
写出程序运行的结果Public class BasePublic virtual string Hello() {return “Base”;}Public class Sub:BasePublic 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;
下列程序运行后的输出结果是______。Private Sub f(k,s) s = 1 for j = 1 To k s=s*j Next jEnd SubPrivate Sub Command1_ Click () Sum = 0 for i = 1 To 3 Call f(i, s) Sum = Sum + s Next i Print Sum End SubA.0B.3C.6D.9
请选出以下程序的输出结果_______。 includesub(int*s,inty){ static int t=3,y=s[t];t 请选出以下程序的输出结果_______。 #include<stdio.h> sub(int*s,inty) { static int t=3, y=s[t];t-; } main() { int a[]={1,2,3,4},i,x=0; for(i=0;i<4;i++){ sub(a,x);printf("%d",x);} printf("\n"); }A.1234B.4321C.0D.4444
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.6B.12C.24D.47
单击窗体时,下列程序的执行结果是 Private Sub Invert(By Val xstr As String,ystr As String) Dim tempstr AS String Dim I AS Integer I=Len(xstr) Do While I>=1 tempstr=tempstr + Mid(xstr,I,1) I=I - 1 Loop ystr=tempStr End Sub Private Sub Form_Click( ) Dim s1 As String,s2 As String S1="abcdef" Invert S1,S2 Print S2 End SubA.abcdefB.afbecdC.fedcbaD.defabc
在窗体上画一个命令按钮,然后编写如下事件过程: Private Sub Commandl Click() Dim a() a=Array(1,3,5,7) s=0 For i=1 To 3 S=S*10+a(i) Next i Print s End Sub 程序运行后,输出结果为( )。A.135B.357C.531D.753
若有如下程序: sub(p,n) int(*p)[3],n; { int i; for(i=0;i<=n;i++) printf("%d",*(*(p+i)+n)); } main() {int s[3][3]={1,2,3,4,5,6,7,8,9}; sub(s,2); } 则程序运行后的输出结果是( )A.3 6 9B.2 4 8C.4 5 6D.7 8 9
单击一次命令按钮之后,在对话框中输入12,21,30,3,窗体中的输出结果为______。 Private Sub Command1_ Click() For i = 1 To 4 s = InputBox (“请输入”) Call per(i, s) Next i Print s End Sub Sub per(a, ByValB)b = 1 For i = 1 To 3 a = a * i Next i End SubA.12 21 30 3B.24 42 60 6C.3 30 21 12D.只能输入一个数
下列程序的执行结果为 Private Sub Command1_Click() Dim s1 As String,s2 As String S1;="abcdef" Call Invert(s1,s2) Print s2 End Sub Private Sub Invert (ByVal xstr As String,ystr As String) Dim tempstr As String i=Len(xstr) Do While i=1 tempstr=tempstr+Mid(xstr,i,1) i=i-1 Loop ystr=tempstr End SubA.fedcbaB.abcdefC.afbecdD.defabc
有如下程序: Private Sub Command1_Click( ) a$="A WORKER IS OVER THERE" x=Len(a $) For i=1 To x-1 b$=Mid $(a $,i,2) If b $="ER"Then s=s+1 Next i Pdnt s End Sub 程序运行后的输出结果是A.1B.2C.3D.4
下列程序运行后的输出结果是______。Private Sub f(k,s)s=1For j=1 To ks=s*jNextEnd SubPrivate Sub Command1_Click()Sum=0For i=1 To 3Call f(i,s)Sum=Sum+sNextPrint SumEnd Sub
9.程序执行结果s的值是 [9] 。Private Sub Commandl_Click()i = 0Doi = i + ls = i + sLoop Until i = 4Print sEnd Sub
单选题酶促反应速度(v)达到最大反应速度(Vmax)的80%时,底物浓度[S]为Ap1Ksubm/sub/pBp2Ksubm/sub/pCp3Ksubm/sub/pDp4Ksubm/sub/pEp5Ksubm/sub/p