最低费用选择法起源于( )。
A.美国
B.中国
C.日本
D.英国
参考答案:A
解析:最低费用选择法起源于美国,是对“成本—效益”分析法的补充。
类的析构函数是在什么时候调用的
A.a[p-a]
B.,*(&a[i])
C.p[i]
D.a[10]
I'd like to take ____ of this opportunity to thank you all for the medical service you offered when I stayed in
your country. [ ]
A. profit
B. benefit
C. interest
D. advantage