现有如下一段程序:
Option base 1
Private Sub Command1_Click()
Dim a
a=Array(3,5,7,9)
X=1
For i=4 to 1 step -1
s=s+a(i)*x
X=x*10
Next
Print s
End Sub
执行程序,单击Command1命令按钮,执行上述事件过程中,输出结果是
A)9753
B)3579
C)35
D)79
第1题:
有如下程序:#include <iostream>using namespace std;class Base{private: char c;public: Base(char n):c(n){} ~Base() { cout<<c; }};class Derived: public Base{private: char c;public: Derived(char n):Base(n+1),c(n){} ~Derived() { cout<<c; }};int main(){ Derived obj('x'); return 0; }执行上面的程序将输出( )。
A.xy
B.yx
C.x
D.y
第2题:
有如下程序: #include 〈iostream〉 using namespace std; class Base { private: char c; public: Base(char n) :c(n) {} ~Base ( ) { cout〈〈c; } }; class Derived : public Base { private: char c; public: Derived(char n) :Base(n+1),c(n) { } ~Derived () { cout〈〈c; } }; int main ( ) { Derived obj ('x'); return 0; } 执行上面的程序将输出( )。
A.xy
B.yx
C.x
D.y
第3题:
现有如下一段程序: Option Base 1 Privalc Sub Command1 Click( ) Dim a a=Array(3,5,7,9‘) x=1 For i=4,10 j Step-1 s=s+a(i)*X x=x*10 Next i Print s End Sub 执行程序,单击Command1命令按钮键,执行上述事件过程,输出结果是( )。
A.9753
B.3579
C.35
D.79
第4题:
有如下程序:#include <iostream>using namespace std;class Base{private: char c;public: Base(char n) :c(n){} ~Base() { cout<<c; } };class Derived: public Base{private: char c; public: Derived(char n):Base(n+1),c(n) {} ~Derived() { cout<<c; }};int main (){ Derived obj ('x'); return 0;}执行上面的程序净输出
A.xy
B.yx
C.x
D.y
第5题:
在窗体上面一个名称为Commandl的命令按钮,然后编写如下程序: Option.Base 1 Private Sub Command1_Click() Dim a As Variant a=Array(1,2,3,4,5) Sum = 0 For i = 1 To 5 Sum=Sum+a(i) Next i x=Sum/5 For i=1 To 5 If a(i) >x Then Print a(i); Next i End Sub 程序运行后,单击命令按钮,在窗体上显示的内容是
A.1 2
B.1 2 3
C.3 4 5
D.4 5
第6题:
有如下程序; #include <iostream> using namespace std; class Base { public; Base(inti){x=i;} void dispa0{cout<<x<<',';} private; int x; }; class Derived;public Base { public; Derived(int i);Base(i+10) {x=i;) void dispb(){dispa();cout<<x<<end1;} private; int x; }; int main() { Derived b(2) ; b.dispb(); return 0; } 运行的结果是( )。
A.2,2
B.12,2
C.12,10
D.10,2
第7题:
有如下程序: #include<iostream> using namespace std; class Base{ public: Base(int x=0){cout<<x;} }; class Derived:public Base{ public: Derived(int x=0){cout<<x;} private: Base val; }; int main( ){ Derived d(1); return 0; } 程序的输出结果是
A.0
B.1
C.01
D.001
第8题:
有如下程序: #include<iostream> using namespace std; class Base { private: char c; piblic: Base(char n):c(n){} ~Base() { cout<<C; } }; class DeriVed:public Base { private: char c; public: Derived(char n):Base(n+1),c(n){} ~Derived() { cout<<c; } }; int main() { Derived obj('x'); return 0; } 执行上面的程序将输出
A.xy
B.yx
C.x
D.y
第9题:
有如下程序: #include <iostream> using namespace std; class Base { public: Base(int x=0) { cout<<x; } } class Derived: public Base{ public: Derived(int x=0) { cout<<x; } private: Base val; }; int main() { Derived d(1); return 0; }程序的输出结果是
A.0
B.1
C.1
D.1