第5题: [单项选择]Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?() A. Sub-cooled liquid B. Sub-cooled vapor C. Superheated vapor D. Liquid 参考答案:C
第22题: [单项选择]以下能对二维数组a进行正确初始化的语句是( )。 A. y.operator+(x.operator--(0)) B. y,operator+(x.operator--( )) C. y.operator+(operator--t(x,0)) D. operator+(x.operator- -t( )) 参考答案:B 答案解析:C++中用成员函数重载x*y为:x.operator * (y),用友元函数重载x*y为:operator *(x,y),用成员函数重载x/y为:x.operator+(y),用友元函数重载 x +