A.Hurricane activity is more or less readjusting to its long-term averages after a period of relative quiet.
B.More people are placing themselves, their houses, yachts, and office high-rises in storm paths when they move to hurricane-prone states and their geologically fragile shorelines.
C.The Atlantic basin is in the midst of a long-term active phase for hurricanes.
D.The unusually high amount of storm activity can not be anticipated.
第1题
应在下列程序画线处填入的正确语句是 ()。 #include <iostream> using namespace std; clas Base { public: void fun() { cout<<"Base::fun"<<end1; } }; class Derived : public Base { void fun() { ________________//显示调用基类的函数 fun() cout<<"Derived::fun"<<end1; } };
A.fun();
B.Base.fun();
C.Base::fun();
D.Base->fun();
第2题
为使程序的输出结果为: Base:: fun 那么应在下列程序画线处填入的正确语句是()。 #include <iostream> using namespace std; class Base { public: void fun () { cout<<"Base: :fun"<<end1; } }; class Derived : public Base { public: void fun () { cout<<"Derived: :fun"<<end1; } }; int main () { Base a,*pb; Derived b; _________; pb->fun(); //调用基类的成员函数 fun() return 0 ; }
A.pb=&a
B.pb=b
C.pb=&b
D.pb=&Base
第3题
根据下面的程序,可以在主程序中使用的合法语句是()。 #include <iostream> using namespace std; class Person{ int age; voidtest(){} public: Person(intage){this->age=age;} void ShowAge(){cout<<"the Person's age is",<<age;} }; void main(){ Person wang(23); }
A.wang.age=45
B.wang.wang(45)
C.wang.ShowAge()
D.wang.test()
第4题
有如下程序: #include <iostream> using namespace std; using namespace std; class Base{ public: void fun(){cout<<"Base::fun"<<endl:} }; class Derived:public Base{ public: void fun(){ eout<<"Derived::fun"<<endl: } }; int main(){ Derived d; d.fun(); return 0; } 已知其执行后的输出结果为: Base::fun Derived::fun 则程序中下画线处应填入的语句是
A.Base.fun();
B.Base::fun();
C.Base->fun();
D.fun();
第5题
请在下列程序的横线处填写正确的语句。
include<iostream>
using namespace std;
class Base{
public:
void fun(){cout<<"Base fun"<<endl;}
};
class Derivde:public Base{
public:
void fun(){
______∥ 调用基类的函数
第6题
为使该程序执行结果为10,那么应该在程序划线处填入的语句是()。 #include<iostream> using namespace std; class MyClass { public: MyClass (int a) { x=a; } ___________ //取x值 private: int x; }; int main() { MyClass my(10); cout<<my.GetNum()<<end1; return 0; }
A.return x;
B.int GetNum(){ return x;}
C.intreturn x;
D.void GetNum(){return x;}
第7题
下列程序中横线处正确的语句是()。 #include<iostream> using namespace std; class TestClass { public: void fun(){cout<<"TestClass::fun"<<end1;} }; class TestClass1:public TestClass { void fun() { ______//显示调用基类的函数 fun() cout<<"TestClass1::fun"<<end1; } };
A.fun();
B.TestClass.fun()
C.TestClass::fun();
D.TestClass->fun();
第8题
下列程序中划线处正确的语句是()。 # include <iostream> using namespace std; class Base { public: void fun(){cout<<"Base:: fun" <<endl;} }; class Derived:public Base { void fun() { ______ ∥显式调用基类的函数fun() cout<<"D
A.fun();
B.Base.fun();
C.Base::fun();
D.Base- >fun();
第9题
已知如下程序的输出结果是23,请将画线处缺失的部分补充完整。
include <iostream>
using namespace std;
class MyClass {
public:
void Print() const { cout << 23; }
};
int main() {
MyClass* p = new MyClass();
【 】.Print();
return 0;
}
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