下例情况心脏呈烧瓶样的是()
A.左心室增大
B.右心室增大
C.双心室增大
D.肺动脉段扩张
E.心包积液
参考答案:E
髋关节屈曲畸形时,下列哪项检查阳性
A.McMurray征B.Trendelenburg征C.Thomas征D.Tinel征E.Dugas征
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______。