反映一组偏态分布资料的平均水平的指标是()
A.均数
B.极差
C.中位数
D.标准差
E.几何均数
参考答案:C
These people once had fame and fortune; now _______ is left to them is complete poverty.
[ ]
A. all that
B. all what
C. all which
D. that all
课程实施计划的展开过程是( )。
A.安排课程表B.分析教学任务C.选择并确定教学模式D.组织教学活动