【多选题】根据产品生命周期理论,从技术创新角度来看,关于产品生命周期说法正确的是( )
D.
当 A 产业被另一新技术产业 B 产业取代后,国际间 A 产业生产的产品不再有需求,该产品生命周期结束
【单选题】16 This is the washing machine _____ we have had so much trouble.
【单选题】-Have you got the washing machine fixed?-I paid a lot of money, but still it ___to work.
【单选题】江山易改、本性难移指的是人格的()特性。
【简答题】Do you know the Water Festival of the Dai people in Yunnan Province? It is from April 13 th to 16 th . This is the time of the Dai New Year. 1. __________ [ˈdjʊərɪŋ] the festival, people go on the str...
【单选题】16) Erica wants to replace her old washing machine with a new one. In order to get the maximum value for her money, she plans to spend substantial time and effort in gathering information and making p...