网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)

已知298K,½CuSO4、CuCl2、NaCl的极限摩尔电导率Λ分别为a、b、c(单位为S·m2·mol-1),那么Λ(Na2SO4)是:()

  • A、c+a-b
  • B、2a-b+2c
  • C、2c-2a+b
  • D、2a-b+c

参考答案

更多 “已知298K,½CuSO4、CuCl2、NaCl的极限摩尔电导率Λ∞分别为a、b、c(单位为S·m2·mol-1),那么Λ∞(Na2SO4)是:()A、c+a-bB、2a-b+2cC、2c-2a+bD、2a-b+c” 相关考题
考题 下列过程定义语句中,参数不是对象的定义语句是( )。A.Sub Pro4(x As Form)B.Sub Pro4(y As Control)C.Sub Pro4(Form1 As Form,Labell As Control)D.Sub Pro4(x As Currency)

考题 在通用声明中定义a,在窗体中添加一个命令按钮Command1,编写如下程序代码:DimaAsIntegerSubtest()a=a+1:b=b+1:c=c+1PrintSub:;a;,;b;,;cEndSubPrivateSubCommand1_Click()a=2:b=3:c=4CalltestCalltestEndSub程序运行后,单击命令按钮,窗体中将显示( )A.Sub:3,4,5Sub:4,5,6B.Sub:2,3,4Sub:2,3,4C.Sub:3,1,1Sub:4,1,1D.Sub:1,1,1Sub:1,1,1

考题 (12)有下列Sub过程: Sub Sub(x As Single,y As Single) t=x x=t/y y=t Mody End Sub 在窗体上的命令按钮Commandl中,编写下列事件过程,执行该事件过程调用Sun过程,结果是( )。 Private Sub Commandl_Click() Dim a As Single Dim b As Single a=5 b=4 Sun a,b Print a;b End Sub A.1.25 1 B.5 4 C.4 5 D.1 1.25

考题 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。

考题 运行以下程序后,输出结果为_____________。 Private Sub Command1_Click() a=1:b=2:c=3 Call test(a,b+3,(c)) Print "main:";a;b;c End Sub Private Function test(p,m,n) p=p+1:m=m+1:n=n+1 Print "sub:";p;m;n End Function:A. sub:2 6 4 main:1 2 3B. sub:2 6 4 main:2 2 3C. sub:2 6 4 main:2 6 4D. sub:2 6 4 main:1 6 4

考题 在窗体中添加一个命令按钮,编写如下程序: Private Sub Subl(p,m,n) p=p+1:m=m+1:n=n+1 Print"subl:";p;m;n End Sub Private Sub Command1_Click() al=1:b=2:c1=3 Call Subl(a,b1+3,c1) Print"Main:";a1;b1;c1 End Sub 程序运行后,输出结果为A.Sub:2 6 4 Main:2 6 4B.Sub:2 6 4 Main:2 6 4C.Sub:2 6 4 Main:1 2 3D.Sub:2 6 4 Main:2 2 3

考题 有如下程序: Private Sub Command1_Click() Dim a As Single Dim b As Single a=5:b=4 Call Sub1(a,b) End Sub Sub Sub1(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 0B. 1 1C.2 2D.1 2

考题 假定有如下的Sub过程:Sub Sub1(x As Single,y As single)t=xx=t/yy=t Mod yEnd 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 SingleDim b As Singlea=5b=4Sub1 a,bPrint a;bEnd Sub程序运行后,单击命令按钮,输出结果为A.B.C.D.

考题 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;

考题 在窗体中添加一个命令按钮,编写如下程序: Private Sub Test(p,m,n) p=p+1:m=m+1:n=n+1 Print "Sub: ";p;m;n End Sub Private Sub Command1.Click() a1=1:b=2:c1=3 Call Test((a,b1+3,(c1)) Print "Main:";a1;b1;c1 End Sub 程序运行后,输出结果为A.Sub: 2 6 4 Main: 2 6 4B.Sub: 2 6 4 Main: 2 6 4C.Sub: 2 6 4 Main: 1 2 3D.Sub: 2 6 4 Main: 2 2 3

考题 假定有如下的Sub过程:Sub Sub1 (x As Single, y As Single) t=x x = t/y y = t Mod yEnd 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 Sub1 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 4B.1 1C.1.2 5.4D.1.25 1

考题 在窗体中添加一个命令按钮,编写如下程序:Private Sub Sub1(p,m,n)p=p+1:m=m+1:n=n+1Print "sub1:";p;m;nEnd SubPrivate Sub Command1_Click()a1=1:b=2:c1=3Call Sub1(a,b1+3,c1)Print"Main:";a1;b1;c1End Sub程序运行后,输出结果为A.Sub: 2 6 4 Main: 2 6 4B.Sub: 2 6 4 Main: 2 6 4C.Sub: 2 6 4 Main: 1 2 3D.Sub: 2 6 4 Main: 2 2 3

考题 在窗体中添加一个命令按钮,编写如下程序: Private Sub Sub1(p,m,n) p=p+1:m=m+1:n=n+1 Print "sub1:";p;m;n End Sub Private Sub Command1_Click() a1=1:b=2:c1=3 Call Sub1(a,b1+3,c1) Print"Main:";a1;b1;c1 End Sub 程序运行后,输出结果为A.Sub: 2 6 4 Main: 2 6 4B.Sub: 2 6 4 Main: 2 6 4C.Sub: 2 6 4 Main: 1 2 3D.Sub: 2 6 4 Main: 2 2 3

考题 关于sub描述正确的是()A、是对4个SACCH突发脉冲,8个特定位置的TCH突发脉冲进行了平均B、SUB测量包含了空闲帧C、SUB是全局测量D、SUB是局部测量

考题 class super {  public int getLength()  {return 4;}  }  public class Sub extends Super {  public long getLength() {return 5;}  public static void main (String[]args)  {  super sooper = new Super ();  Sub sub = new Sub();  System.out.printIn(  sooper.getLength()+ “,” + sub.getLength()   };  }  What is the output?()  A、 4, 4B、 4, 5C、 5, 4D、 5, 5E、 The code will not compile.

考题 class Super { public int getLenght() { return 4; } } public class Sub extends Super { public long getLenght() { return 5; } public static void main(String[] args) {Super sooper = new Super(); Sub sub = new Sub(); System.out.println( sooper.getLenght() + “,” + sub.getLenght() ); } } What is the output? ()A、 4,4B、 4,5C、 5,4D、 5,5E、 Compilation fails.

考题 设当前目录是根目录,使用第()组命令不能在一级子目录SUB1下建立二级子目录SUB11。A、CD SUB1(回车)MD SUB11B、MD SUB1/SUB11C、MD SUB11D、MD/SUB1/SUB11

考题 有反应Ⅰ、Ⅱ,298K时反应速率vI vII,而318K时νI νII/sub,则 EaI EaII。

考题 单选题永续盘存法公式为()A Ksubt/sub+1=Isubt/sub-(1-δ)Ksubt/subB Ksubt/sub+1=It+(1-δ)Ksubt/subC Ksubt/sub+1=Isubt/sub+(1+δ)Ksubt/subD Ksubt/sub+1=Isubt/sub-(1+δ)Ksubt/sub

考题 单选题class Super {  public Integer getLenght() { return new Integer(4); } }  public class Sub extends Super {  public Long GetLenght() { return new Long(5); }  public static void main(String[] args) { Super sooper = new Super();  Sub sub = new Sub();  System.out.println(  sooper.getLenght().toString() + “,” +  sub.getLenght().toString() ); } }  What is the output?()A  4,4B  4,5C  5,4D  5,5E  Compilation fails.

考题 单选题煤矿井下的有害气体主要是由()、CO2、H2S、NO2、H2、NH3气体组成。A COB pCHsub4/sub、SOsub2/sub/pC pSOsub2/sub、CO/pD pCO、CHsub4/sub、SOsub2/sub/p

考题 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A p1Ksubm/sub/pB p2Ksubm/sub/pC p3Ksubm/sub/pD p4Ksubm/sub/pE p5Ksubm/sub/p

考题 单选题class super {  public int getLength()  {return 4;}  }  public class Sub extends Super {  public long getLength() {return 5;}  public static void main (String[]args)  {  super sooper = new Super ();  Sub sub = new Sub();  System.out.printIn(  sooper.getLength()+ “,” + sub.getLength()   };  }  What is the output?()A  4, 4B  4, 5C  5, 4D  5, 5E  The code will not compile.

考题 单选题已知某药口服肝脏首过效应很大,改用肌肉注射后( )。A ptsub1/2/sub减少,生物利用度也减少/pB ptsub1/2/sub不变,生物利用度增加/pC ptsub1/2/sub增加,生物利用度也增加/pD ptsub1/2/sub不变,生物利用度减少/pE ptsub1/2/sub和生物利用度皆不变化/p

考题 单选题class Super { public int getLenght() { return 4; } } public class Sub extends Super { public long getLenght() { return 5; } public static void main(String[] args) {Super sooper = new Super(); Sub sub = new Sub(); System.out.println( sooper.getLenght() + “,” + sub.getLenght() ); } } What is the output? ()A  4,4B  4,5C  5,4D  5,5E  Compilation fails.

考题 单选题A pIsub2/sub=Isub3/sub/pB pIsub2/sub=4Isub3/sub/pC pIsub2/sub=2Isub3/sub/pD pIsub3/sub=4Isub2/sub/p

考题 单选题正态分布时,算术平均数、中位数、众数的关系为()A msub0/sub<msube/sub<(xB msub0/sub=msube/sub=(xC msub0/sub>msube/sub>(xD msube/sub<msub0/sub<(x

考题 多选题1. class Super {  2. private int a;  3. protected Super(int a) { this.a = a; }  4. }  .....  11. class Sub extends Super {  12. public Sub(int a) { super(a); }  13. public Sub() { this.a= 5; }  14. }  Which two, independently, will allow Sub to compile?()AChange line 2 to: public int a;BChange line 2 to: protected int a;CChange line 13 to: public Sub() { this(5); }DChange line 13 to: public Sub() { super(5); }EChange line 13 to: public Sub() { super(a); }