【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.
【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...
【多选题】一般来说,企业员工个体素质的构成包括( )。
【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...
【简答题】Getting rid of dirt, in the opinion of most people, is a good thing. However, there is nothing fixed about attitudes to dirt. In the early 16 th century, people thought that dirt on the skin was a mea...