下列程序段错误的是()。A.Dim a As Integer a=array(1,2,3,4)B.Dim a(),b() a=array(1,2,3,4): b=
下列程序段错误的是()。
A.Dim a As Integer a=array(1,2,3,4)
B.Dim a(),b() a=array(1,2,3,4): b=a
C.Dim a As Variant a=array(1,"aSd",true)
D.Dim a()As Variant a=array(1,2,3,4)
下列程序段错误的是()。
A.Dim a As Integer a=array(1,2,3,4)
B.Dim a(),b() a=array(1,2,3,4): b=a
C.Dim a As Variant a=array(1,"aSd",true)
D.Dim a()As Variant a=array(1,2,3,4)
WAIT "请输入选择1-4:" to COND DO CASE
CASE COND=1 ? "春季"
CASE COND=2 ? "夏季"
CASE COND=3 ? "秋季"
OTHERWISE ? "冬季" ENDCASE
A.条件错
B.语法错
C.缺ENDCASE
D.没有错
A.int*p;cin>>*p;
B.int*s,k;*s=100
C.int *s ,k; char *p ,c; s=&k; p=&c; *p='a'; *s=1;
D.int *s,k; char *p,c; s=&k; p=&c; s=p;
A、OFPT_HELLO
B、OFPT_SET_CONFIG
C、OFPT_PORT_STATUS
D、OFPT_FEATURES_REQUEST
include<iostream. h>
class A
{
public:
A(char c){cout<<"A's constructor."<<c<<endl;}
~A(){cout<<"A's destructor."<<endl;}
};
class B: virtual public A
{
public:
B(char cb,char cd):A(cb) {cout<<"B's constructor."<<cd<<endl;}
~B(){cout<<"B's destructor."<<endl;}
private:
char b;
};
class C:virtual public A
{
public:
C(char cc, char cd):A(cc)
{cout<<"C's constructor. "<<cd<<endl;}
~C(){cout<<"C's destructor."<<endl;}
};
class D:public B,public C
{
public:
D(char cd,char ce,char cf, char cg, char ch,char ci)
:C(cf,cg),B(cd,ce),A(cd),aa(ch)
{cout<<"D's constructor."<<ci<<endl;}
~D() {cout<<"D's destructor."<<endl;}
private:
A aa;
};
void main()
{
D ohj('a','b','c','d','e','f')
}
A、无编译错误
B、代码public String drop(){行,出现编译错误
C、代码public double drop(int x){行,出现编译错误
D、代码return "下落一行";行处出现编译错误
A.Type stu no As Integer name As String score(1 To 5)AS Single End Type
B.Type stu no As Integer name As String*10 score()As Single End Type
C.Type stu no As Integer name As String*10 score(1 To 5)As single End Type
D.Type stu no As Integer name As String score()As Single End Type
A.0
B.25
C.50
D.100
A.在KeyUp和KeyDown 事件过程中,从键盘上输入的A和a被视作相同的字母(具有相同的KeyCodE)
B.在KeyUp 和KeyDown 事件过程中,将键盘上的1和右侧小键盘上的“1”视作不同的数字(具有不同的KeyCodE)
C.KeyPress 事件中不能识别键盘上键的按下与释放
D.KeyPress 不能识别回车键
A.Private Sub Text1_ KeyPress (KeyAscii As Integer) IfKeyAscii < 65 Or KeyAscii > 9t Then MsgBox “请输入大写字母” End If End sub
B.Private Sub Text1_ KeyDown (KeyCode As Integer, Shift As Integer) IfKeyCode < 65 Or KeyCode > 91 Then MsgBox “请输入大写字母” End If End sub
C.Private Sub Text1_ MouseDown (Button As Integer, _ Shift As Integer, X As Single, YAs SinglE)IfAsc (Text1.Text) < 65 Or Asc (Text1. Text) > 91 Then MsgBox “请输入大写字母” End If End sub
D.Private Sub Text1_ Change() IfAsc(Text 1.Text) < 65 Or Asc(Text1. Text) > 91 Then MsgBox “请输入大写字母” End If End sub
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