【单选题】Write the balanced equation for the reaction that occurs when methanol, CH 3 CH (l) is burned in air. What is the coefficient of methanol in the balanced equation?
【简答题】一个类的头文件如下所示,num初始化值为5,程序产生对象t,且修改num为10,并使用show()函数输出num的值10。请将程序补充完整。 #include using namespace std; class Test { private: static int num; public: Test(int); void show(); }; ____(1)_____ Test::Test(in...