发自髓室底至根分叉处的管道是指()
A.主根管
B.副根管
C.侧枝根管
D.管间吻合
E.以上都不对
参考答案:B
医生处方具有()的意义。
下列程序的输出结果是______。 #include<iostream> using namespace std; Class Test public: Test()cnt++; ~Test()cnt--; static int Count()return cnt; private: static int cnt; ; int Test::cnt=0; int main() cout<<Test::Count()<<""; Test t1,t2; Test*pT3=new Test; Test*pT4=new Test; cout<<Test::Count()<<""; delete pT4; delete pT3; cout<<Test::Count()<<end1; return 0;