总体的情况越复杂,方便抽样的效果就( )A.越好 B.越差 C.不变 D.不一定 发布时间:2018-01-20 12:29 │ 来源:www.tikuol.com 题型:单项选择题 问题: 总体的情况越复杂,方便抽样的效果就( )A.越好B.越差C.不变D.不一定
题型:单项选择题 It's very nice _____ pictures for me. [ ]A. of you to draw B. for you to draw C. for you drawing D. of you drawing 查看答案