题目内容

运行下列程序时的输出结果是( )。#includeusing namespace std;class A{protected: int a;public:A( ) { a=1;}};class B:A{ int a;public: B( ) { a=2;} void print(){cout<

A. 11
B. 12
C. 21
D. 22

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运行下列程序时的输出结果是( )。#includeusing namespace std;class A{public:A( ) { cout<<"A";}};class B:public virtual A{ // A行public: B( ) { cout<<"B";}};class C:virtual private A{ // B行public: C( ) { cout<<"C";}};class D:protected C,B{ // C行public: D( ) { cout<<"D";}};int main(void ){ D t; system("pause"); return 0;}

ACBD
B. ABACD
C. ACABD
D. ABCD

运行下列程序时的输出结果是()。#includeusing namespace std;class A{public:A( ) { cout<<"A";}};class B:public A{ // A行public: B( ) { cout<<"B";}};class C:virtual private A{ // B行public: C( ) { cout<<"C";}};class D:protected B,C{ // C行public: D( ) { cout<<"D";}};int main(void ){ D t; system("pause"); return 0;}

ABCD
B. AABCD
C. AACBD
D. AABACD

运行下列程序时的输出结果是()。#includeusing namespace std;class A{public:A( ) { cout<<"A";}};class B:virtualpublic A{ // A行public: B( ) { cout<<"B";}};class C:private A{ // B行public: C( ) { cout<<"C";}};class D:protected B,C{ // C行public: D( ) { cout<<"D";}};int main(void ){ D t; system("pause"); return 0;}

ABACD
B. AABCD
C. ABCD
D. AABACD

槟榔肝是由下列哪种病变形成

A. 肝癌
B. 肝水变性
C. 门脉性肝硬化
D. 慢性肝淤血
E. 肝炎