三极管极间电流满足I_C＝βI<sub>B<

第1题

以下能够正确计算n!的程序是______。A．Private Sub Commeadl_Click() n=5: x=1 Do x=x*i i=i+1 Loop While i＜n Print x End SubB．Private Sub Command1_Click() n=5: x=1: i=1 Do x=x*i i=i+1 Loop While i＜n Print x End SubC．Private Sub Command1_Click() n=5: x=1: i=1 Do x=x*i i=i+1 Loop Whilei＜=n Print x End SubD．Private Sub Commsndl_Click() n=5: x=1: i=1 Do x=x*i i=i+1 Loop While i＞n Print x End Sub

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第2题

以下能够正确计算n!的程序是( )。A．Pfivate Sub Commgld1_LClick() n=5:x=1 Do x=x*1 i=i+1 Loop Whilei＜nB．Private Sub Command1_Click() n=5:x=1:i=1 Do x=x*1 i=i+1 Loop Whilei＜n Print x End SubC．Pfivate Sub Command1_ C1ick() n=5:x=1:i=1 Do X=X*1 i=i+1 Loop While i＜=nD．Private Sub Command1_C1ick() n=5:x=1:i=1 Do X=X*1 i=i+1 Loop While i＞n Print x End Sub

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第3题

以下能够正确计算n!的程序是( )。A．Private Sub Commandl_C1ick()B．hiVate Sub Commandl_C1ick() n＝5:x＝1 n＝5:x=1:i＝1 DO DO X＝x*1 X＝X*1 i＝i＋1 i＝i＋1 Loop while i＜n Loop While＜n Print x Ptinte x End Sub End SubC．Private Sub Commandl_Click ()D．Pdvate Sub Commandl C1ick() n＝5:X＝1:i＝1 n＝5＝:x＝1:i＝1 DO DO X＝X*1 X＝X*1 i＝i＋1 i＝i＋1 Loop While i＞n Print x Print x End Sub End Sub

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第4题

阅读程序 SUB P(B( ) AS INTEGER) FOR I=1 TO 4 B(I) =2*I NEXT 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 P A( ) FOR I = 1 TO 4 MSGBOX A(I) NEXT I END SUB 运行上面的程序，单击命令按钮COMMAND1后，消息框4次输出的内容分别是( )。A．出错B．10, 12, 14, 16C．5, 6, 7, 8D．2, 4, 6, 8

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第5题

class Super {  public int i = 0；  public Super（String text） {  i = 1； }  }  public class Sub extends Super {  public Sub（String text） {  i = 2；  }   public static void main（String args[]） {  Sub sub = new Sub（“Hello”）；  System.out.println（sub.i）；  }  }  What is the result？（）  A、 0B、 1C、 2D、 Compilation fails.

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第6题

单选题class Super {  public int i = 0；  public Super（String text） {  i = 1； }  }  public class Sub extends Super {  public Sub（String text） {  i = 2；  }   public static void main（String args[]） {  Sub sub = new Sub（“Hello”）；  System.out.println（sub.i）；  }  }  What is the result？（）A0B1C2DCompilation fails.

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第7题

单选题class super （   public int I = 0；   public super （string text） （   I = 1   ）   ）     public class sub extends super （   public sub （string text） （   i= 2   ）   public static void main （straing args） （  sub sub = new sub （“Hello”）；   system.out. PrintIn（sub.i）；  ）   ）   What is the result？（）ACompilation will fail.BCompilation will succeed and the program will print “0”CCompilation will succeed and the program will print “1”DCompilation will succeed and the program will print “2”

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