通信电源设备保护接地的接地线,应()。
A.就近与电源设备中的直流工作接地端连接
B.单独从接地汇集线引入
C.与附近设备中的保护接地端复接
参考答案:B
有以下程序: #include<iostream> using namespace std; class Base public:Base() x=0;int x; ; class Derivedl:virtual public Base public:Derivedl() x=10; ; class Derived2:virtual public Base public:Derived2() x=20; ; class Derived:public Derivedl,protected Derived2; int main() Derived obj;cout<<obj.x<<endl;return 0; 该程序运行后的输出结果是______。
Now if you _____ excuse me, I think I’ll be ____ my way.
A. will; in B.will; on C. can; by C. can; in