【单选题】装在构架与轮对轴箱装置之间的弹簧减振装置属于 ( ) 。
【判断题】根据波特五力模型,对酒店业来讲,社会餐饮、Airbnb、民宿、农家乐、房车等快速兴起,成为威胁传统酒店的替代品。
【判断题】根据波特五力模型,对酒店业来讲,社会餐饮、Airbnb、民宿、农家乐、房车等快速兴起,成为威胁传统酒店的替代品。
【单选题】What is the worst thing about the job of a sales representative?
A.
He must see a lot of customers.
B.
He has to do a lot of research.
C.
He has to be away from home a lot.
【单选题】已知有以下定义: int i = 0; const int ic = 32; int *const p1 = &i; const int *p2; const int *const p3 = 以下说法错误的是________。