水密门的水密橡胶的填料应完整,上面勿()。
A、喷水
B、涂油漆
C、A+B
参考答案:B
He purpose of new technology is to make life easier, _____it more difficult.[ ]
A. not making
B. not make
C. not to make
D. not to making
下列程序的输出结果为2,请将程序补充完整。 #include<iostream> using namespace std; class Base public: ______void fun()cout<<1; ; class Derived:public Base public:void fun()cout<<2; ; int main() Base*p=new Derived;p->fur();delete p;return 0;