下列公式中是采用比值方法定义物理量的有( ) A.E=Fq B.E=Ud C.φ 发布时间:2017-05-03 20:22 │ 来源:www.tikuol.com 题型:多选题 问题: 下列公式中是采用比值方法定义物理量的有( )A.E=FqB.E=UdC.φ=EPqD.UAB=WABq
题型:多选题 Shoppers are also less likely to queue for long if the item they are buying is of low value, and ____ food and drink shopkeepers are having to find new ways to deliver good customer service. A.in the end B.after allC.as a resultD.on the contrary 查看答案