产品部门化的优点包括的事实是() A.便于区域性协调 B.有助于集中用户的需要 C. 发布时间:2018-02-20 15:01 │ 来源:www.tikuol.com 题型:单项选择题 问题: 产品部门化的优点包括的事实是()A.便于区域性协调B.有助于集中用户的需要C.能提高决策速度和有效性D.简化了培训
题型:单项选择题 —Did you find the missing couple in the mountain yesterday?—No,but we _____ to get in touch with them ever since.[ ]A. have tried B. have been tryingC. had tried D. had been trying 查看答案