题型:判断题 What made my father satisfied was over 50% of the students in his class had been admitted to key universities. A.becauseB.thatC.what D.why 查看答案
题型:判断题 某户农村居民家中有常住人口4名,某年的家庭收支情况如下:家庭总收入为10万元,家庭经营费用支出2.2万元,税费支出3000元,生产性固定资产折旧2400元,赠送农村内部亲友支出14000元。请根据上述资料,回答下面的问题:抽取农村的调查住户时,采取的方法为()。A.重点抽样B.多阶段抽样C.对称等距D.随机抽样 查看答案