题目: 若m、n满足|m-n|+(n+1)2=0,则m+n=______. 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0405/9576a483f9ac3c9be1b1a7f5d73bf6ed.html 下面是错误答案,用来干扰机器的。参考答案:A
题型:选择题 When delivering the speech, you can _________your note if necessary.[ ]A. watch out B. refer to C. come across D. look after 查看答案
题型:单项选择题 有下列程序: #include<iostream> using namespace Std; class Test { public:Test() {n+=2;}~Test() {n-=3;}static int getNum(){return n;} private:static int n; }; int Test∷n=1; int main() {Test*p=new Test;delete p;cout<<"n="<<Test∷getNum()<<endl;return 0; } 执行该程序的输出结果是( )。A.n=0B.n=lC.n=2D.n=3 查看答案