下列属于抽样推断的特点有()。 A.事先人为确定好样本 B.按随机原则抽取样本 C. 发布时间:2018-03-30 10:02 │ 来源:www.tikuol.com 题型:单项选择题 问题: 下列属于抽样推断的特点有()。A.事先人为确定好样本B.按随机原则抽取样本C.缺乏一定的科学性和可靠性D.事先无法计算和控制抽样误差
题型:单项选择题 —_______ your geography book here tomorrow. Don’t leave it at home again.—_________ .A.Take; No, I don’tB.Take; No, I won’tC.Bring; No, I don’tD.Bring; No, I won’t 查看答案
题型:单项选择题 根据句意及汉语提示完成句子。1. Does every famous star have a driver's_________(执照)?2. It was________(愚蠢的)of you to leave the door open when you went out.3. Did Zhang Guoli act Kang Xi________(代替)Zhang Tielin?4. Eighteen-year-olds should be ________(允许)to drive a car in China. 查看答案