【判断题】常见的随机抽样方法有系统抽样、分层抽样、整群抽样、偶遇抽样。( )
【单选题】I still remember the house _____my mother and I used to stay in that evening.
【单选题】I still remember the sitting-room _______ my mother and I used to sit in the evening.
【简答题】岳某(女),有一儿一女,女儿在国外。近来岳某心事重重,经常晚上失眠,唉声叹气.原因是岳某与儿媳之间产生了矛盾,矛盾的焦点是房子问题。儿媳嫁来的时候,岳某家只有一套两居室的住房。刚开始两个人还能相处,但时间一长,两人总因为一些小事而产生口角。后来。老两口在外面租了一套房子自己住,矛盾暂时得以解决。近年来,房子涨价。老两口下决心用养老的钱又买了一套房子,房产证只写了老两口的名字。结果.儿子和儿媳对老两...
【简答题】I remember my mother as a strong woman. She came to America when she was 12—old enough to remember her language, she achieved scores and grades high enough to be admitted to Duke University. With a de...