不属于变异指标的是
A.标准差
B.变异系数
C.四分位数间距
D.中位数
E.全距
参考答案:D
What's the temperature today? It's _____ 5℃ _____ 12℃. [ ]
A. both; and
B. from; and
C. from; to
D. both; to
请简述《普通高中美术课程标准(实验)》的基本理念。