应用IQ=MA/CA×100计算的智力水平,其单位为()
A.智力年龄
B.比率智商
C.离差智商
D.平均智商
E.百分位数
参考答案:B
— ____________ does she go to Hong Kong?
— By plane. [ ]
A. How
B. Where
C. What
大气环境质量现状监测,对于二级评价项目,监测点不应少于( )个。
A.6
B.8
C.10
D.12