题型:问答题 简答题 So little known _____ that soldiers had to ask for a guide. A.by this earthquake - stricken areaB.this earthquake - stricken area C.was this earthquake - strcken area D.this earthquake - stricken area had been 查看答案
题型:问答题 简答题 20年前,手机也称“大哥大”,买一部要花2万多元,相当于当时一个普通工薪者20年的收入。最近,小王只用300多元便买了一部,仅相当于一个普通工薪者一周的收入。手机价格降低的根本原因是( )。A.厂家数量增多使产品供应量增大B.商家采用了薄利多销的销售策略C.科技进步增加了商品的技术含量D.劳动生产率提高使单位商品价值量减少 查看答案