问题
多项选择题
狭义的产品寿命期是指______
A．产品试制期
B．产品投入期
C．产品成长期
D．产品成熟期
E．产品衰退期
答案
参考答案：B,C,D,E
解析：[考点] 本题考查的知识点是产品寿命周期分析。
A是广义上的寿命周期，BCDE是狭义的产品周期。
搜题请搜索小程序“爱下问搜题”
狭义的产品寿命期是指______
A．产品试制期
B．产品投入期
C．产品成长期
D．产品成熟期
E．产品衰退期
参考答案：B,C,D,E
解析：[考点] 本题考查的知识点是产品寿命周期分析。
A是广义上的寿命周期，BCDE是狭义的产品周期。
Once, there was a wild donkey (驴) and a tame (驯养的) donkey. The wild donkey was thin and small. He spent his life in the ____. The grass on the hill was his food all the year around. Sometimes, he had to walk miles to find clean water and at night there was always ____ from lions. The tame donkey was much fatter and ____. During summer, the owner fed him grass while in ____, he was given corn and hay (干草) to eat. There was always clean water for him to ____ and at night he stayed inside safely. The wild donkey always wished he could live ____ the tame donkey. One day, the wild donkey was looking for grass on the hill. Looking down, he saw the tame donkey walking slowly along the road, ____ heavy wood. As he watched, the tame donkey stopped to eat some ____ by the roadside. Suddenly, his owner began to drive him with a ____. “I don’t want your way of life,” thought the wild donkey. “I see that you have to pay ____ for the food they give you.”
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