在其他条件不变的情况下,抽样误差()
A、与样本单位数目无关
B、不受抽样组织方式的影响
C、与总体标志变异程度有关
D、不受抽样方法的影响
参考答案:C
By reading the article, we know how ______ in our daily life.
A.will we protect the earth
B.we can reduce pollution
C.should we save water
D.we must recycle things
什么是农村党员干部现代远程教育?