When does this conversation take place?
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有以下程序: #include<iostream> using namespace std; class Complex { public: Complex(dOuble r=0,dOuble i=0):re(r),im(i){} doublereal()const{return re;} doubleimag()const{return im;} Complex operator+(Complex c)const {return Complex
A. 6+6i
B. 6+1i
C. 1+6i
D. 1+1i
常见的PCI总线属于
A. 内部总线
B. 系统总线
C. 扩展总线
D. 以上答案都不是