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[单选题]有如下程序: #include <iostream> using namespace std; class XX { protected: int k; public: XX(int n=5):k(n){} ~XX() { cout<<"XX"; } virtual void f() const=0; }; inline void XX::f()的答案是什么?
问题:
[单选题]有如下程序: #include <iostream> using namespace std; class XX { protected: int k; public: XX(int n=5):k(n){} ~XX() { cout<<"XX"; } virtual void f() const=0; }; inline void XX::f()
A、仅纵筋达到屈服强度
参考答案: A
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