土地补偿费为该耕地被征收前3年平均年产值的( )倍。
A.1~3
B.4~6
C.6~10
D.15
参考答案:C
The wounded soldier died ______I had a chance to know his name and family .So I can never give regards to any of his family or relatives.
A.after
B.while
C.until
D.before
描述一组偏态分布资料的变异度,最适用的指标是()。
A.方差
B.标准差
C.变异系数
D.四分位数间距
E.标准正态离差