急性风湿热诊断标准中的主要表现不包括
A.心肌炎
B.关节痛
C.舞蹈病
D.环形红斑
E.皮下小结
第1题
A.error,class Base has no constructor.
B.error,class Test has no correct constructor.
C.right
D.error ,not input
第2题
有以下程序:
include<iostream>
using namespace std;
class Base
{
public:
Base()
{
K=0;
}
int x;
};
class Derivedl:virtual public Base
{
public:
Derivedl()
{
x=10;
}
};
class Derived2:virtua1 public Base
第3题
有以下程序: #include <iostream> using namespace std; class Base { public: Base(){} virtual void who() { cout<<"Base Class"<<end1; } ~Base(){} }; class Derivel : public Base { public: void who() { cout<<"Derivel Class"<<end1; } }; class Derive2 : public Base { public: void who () { cout<<"Derive2 Class"<<end1; } }; int main () { Base *p; Derivel obj1; Derive2 obj2; p=&obj1; p=&obj2; p->who (); return 0; } 执行程序后的输出结果是()。
A.Base Class
B.Derivel Class
C.Derive2 Class
D.程序编译时出错
第4题
若有以下程序: #include<iostream> using namespace Std; Class Base {public: Base() {x=0;} int x;}; class Derivedl:virtua1 public Base {public: Derived1() {x=10;}}; class Derived2:virtual1 public Base {public: Derived2()
A.20
B.30
C.10
D.0
第5题
有以下程序: #include <iostream> using namespace std; class BASE { private: char c; public: BASE(char n):c(n);{} virtual~BASE() { cout<<c; } }; class DERIVED:public BASE { char c; p
A.XY
B.YX
C.X
D.Y
第6题
以下程序的执行结果为______。
include<iostream>
using namespace std;
class base
{
public:
virtual void who()
{
cout<<"base class"<<endl;
}
};
class derivel:public base
{
public:
void who()
{
cout<<"d
第7题
有以下程序:
included<iostream>
using namespace std;
class Base
{
public:
Base()
{
x=0;
}
int x;
};
class Derived1:virtual public Base
{
public:
Derived1()
{
x=10;
}
};
class Derived2:virtual public Base
{
public:
Derived2()
{
x=20;
}
};
class Derived: public Derived1,protected Derived2
{ };
int main()
{
Derived obj;
cout<<obj. x<<endl;
return 0;
}
该程序运行后的输出结果是______。
第8题
若有以下程序:
include <iostream>
using namespace std;
class Base
{
public:
void who()
{
cout<<"class Base"<<end1;
}
};
class Derivedl : public Base
{
public:
void who()
{
cout<<"class Derivedl"<<end1;
}
};
class Derived2 : public Base
{
public:
void who()
{
cout<<"class Derived2"<<end1;
}
};
int main()
{
Base *p;
Derivedl obj1;
Derived2 obi2;
p=&obj 1;
p=&obj2;
p->who ();
return 0;
}
则该程序运行后的输出结果是【 】。
第9题
以下程序的执行结果是______。
include<iostream.h>
class base
{
public:
virtual void who(){cout<<"base class"<<endl:}
};
class derrvel:public base
{
public:
void who(){cout<<"derivel class"<<endl:}
};
class derive2;public base
{
public:
void who() {cout<<"derive2 class"<<endl;}
};
void main()
{
base obj1,*P;
derive1 obj2;
derive2 obj3:
p=&obj1;
p->who();
p=&obj2:
p->who();
p=&obj3;
p->who();
}
第10题
若有以下程序: #include <iostream> using namespace std; class Base { public: Base() { x=0; } int x; }; class Derivedl: virtual public Base { public: Derivedl() { x=10; } }; class Derived2: virtual public Base { public: Derived2() (x=20; } }; class Derived: public Derivedl,protected Derived2 { }; int main() { Derived obj; cout<<obj.x<<end1; return 0; } 该程序运行后的输出结果是
A.20
B.30
C.10
D.0
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