皮皮学，免费搜题
登录
搜题
【简答题】
从6万多名考生中随机抽取400名考生的成绩,用他们的平均成绩去估计所有考生的平均成绩,____是总体,____是个体, ____是总体的一个样本、
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】单词拼写（本大题共10分，每小题1分） (A) 根据句意，用括号内所给单词的适当形式填空 小题1:There is no need to worry. They can look after_______(they). 小题2:The pop star appeared after about ten _________(hour) flying. 小题3:In China , primary s...
【简答题】请听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并 标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段 对话仅读一遍。 1. What does the woman want? A. Tea. B. Water. C. Coffee. 2. Where are the two speakers? A. In a bank...
【简答题】I think Mariko is _______ . Whenever I see her at parties, the guy is with her.2. Do you think Arturo and Linda are going to get married? It looks like _______ to me. 3. Steve just has _______ . High ...
【简答题】See, you can’t keep being nice to me and I can’t keep ____(1)____ like this is something that it’s not. We’ve been together for over seven years. You know me. You know who I am. You either wanna m...
相关题目：