等级资料比较其处理方法有否差别最适宜采用()
A.t检验
B.t'检验
C.χ2检验
D.秩和检验
E.方差分析
参考答案:D
This material is the cheapest in the store, but it has the same quality as ________
A.they are highly priced
B.highly priced
C.those that are highly priced
D.ones which highly priced
红楼梦又名花月宝鉴