A.
B.
C.
D.
参考答案:A
解析:
下列指标中,描述抽样误差大小的指标是
A.极差B.标准差C.标准误D.变异系数E.四分位数间距
—What would you like?
—I am hungry. I would like________.[ ]
A. eating something
B. eating anything
C. anything to eat
D. something to eat