()是指人们为满足自身需要而对各种物质生活资料、劳务和精神产品的消耗。A、生产消费B 发布时间:2019-02-13 02:59 │ 来源:www.tikuol.com 题型:单项选择题 问题: ()是指人们为满足自身需要而对各种物质生活资料、劳务和精神产品的消耗。A、生产消费B、个人消费C、广义的消费D、狭义的消费
题型:单项选择题 His parents, ________, did not look after him very well-the elbows of his jacket and his boots were badly worn. [ ] A. generally B. graduallyC. actively D. apparently 查看答案
题型:单项选择题 先将总体的单位按某种特征分为若干次级总体,再从各次级总体中进行单纯随机抽样,共同组成一个样本,这种抽样方法称为A.简单随机抽样B.分层抽样C.机械抽样D.多级抽样E.系统抽样 查看答案