下面代码运行后sum的值为45的是 A. int sum=0,i;for( i=1;i<10;i++) sum+=i; B. int sum=0;for( int i=1;i<10;i++) sum+=i; C. int sum=0;for(int i=1;i<=9;i++) sum+=i; D. int sum;for(int i=1;i<10;i++) sum+=i;
【简答题】I have had just about enough of being treated like a second-class citizen, simply because I happen to be that unfairly treated member of society --- a customer. The more I go into shops and hotels, ba...