发生道路交通事故的主要因素中,路和车的因素起决定性的作用。
A:正确
B:错误
第1题
有如下程序: #include <iostream> using namespace std; Class x { protected: int a; public: x() { a=1; } }; class x1 : virtual public x { public: x1() { a+=1; cout<<
A.1
B.123
C.242
D.244
第2题
有如下程序: #include <iostream> using namespace std; class AA { public: virtual void f() { cout<< "AA"; } }; class BB : public AA { public: BB() { cout << "BB"; } }; cla
A.AA
B.AABBCC
C.BBAABBCC
D.BBBBAACC
第3题
有如下程序: #include(iostream) using namespace std; class TestClass{ protected: TestClass(){couti(cout<<‘x’;} TestClass(char c){cout<<c;}}; class TestClassl:publicTestClass{ public: TestClassl(char c){cout<<c;}}; int main(){ Te
A.y
B.yx
C.xy
D.yy
第4题
有如下程序: #include<iostream> using namespace std; Class TestClass {int a; public: TestClass(int x){a=x;} void show(){cout<<a;}}; class TestClass1:public TestClass {int b; public: TestClass1(int i):TestClass(i+1),b(i){} voi
A.5
B.1
C.0
D.2
第5题
有如下程序: #include <iostream> using namespace std; class x { protected: int a; public: x() { a=1; } }; class x1 : virtual public x { public: x1() { a+=1; cout<<a; } };
A.1
B.123
C.242
D.244
第6题
有如下程序: #include<iostream> using namespace std; class MyClass{ public: MyClass(){++count;} ~MyClass(){--count;} static int getCount(){return count;} private: static int count; }; int MyClass::count=0; int main(){ MyCl
A.121
B.232
C.221
D.122
第7题
有如下程序: #inClude<iostream> using namespace std; Class TestClass {public: virtUal void furll() {cout<<“funlTestclass”;} virtual void fun2() {cout<<“{fun2TestClass”;}}; class TestClassl:public TestClass {void fun() {cout<<“fu
A.fun1TestClass1 fun2TestClass
B.fun1TestClass1 fun2TestClass1
C.fUnlTestClass fun2TestClass
D.funlTe3tClass fun2TestClassl
第8题
有如下程序: #include <iostream> using namespace std; class BASE{ public: ~BASE(){cout<<"BASE";} }; class DERIVED:public BASE{ public: ~DERIVED(){cout<<"DERIVED";} }; int main(){DERIVED x;return 0;} 执行后的输出结果是
A.BASE
B.DERIVED
C.BASEDERIVED
D.DERIVEDBASE
第9题
(10 )有如下程序:
#include<iostream>
using namespace std;
class A{
public:
A(){cout<<"A" ; }
~A(){cout<<"A" ; }
} ;
class B {
A a;
public:
B(){cout<<"B";}
~B(){cout<<"B";}
};
int main (){
B b;
return 0;
}
程序的输出结果是 ___________
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