克伦巴赫α系数计算的信度属于()
A.重测信度
B.分半信度
C.同质性信度
D.评分者信度
参考答案:C
下列反应进行分类时,既属于氧化还原反应又属于化合反应的是( )
A.Zn+H2SO4=ZnSO4+H2↑
B.2KClO3=2KCl+3O2
C.S+O2=SO2
D.CO2+CaO=CaCO3
Xinjiang is in the __ of China. But California is in the __ part of the USA. [ ]
A. west, western
B. west, west
C. western, western