【单选题】研究者测定了正常人、单纯性肥胖和皮质醇增多症三组人(n均为12)的血浆总皮质醇,已知三组总体方差不等且分布呈偏态,欲检验三组人的血浆皮质醇含量有无差别,应选用
【单选题】如果在 Excel 2010 某单元格内输入公式“ =4+4/2^2 ”,则得到结果为( )。
【单选题】It's bad behaviour to talk loudly in class.
【单选题】Sometimes a parent supports the child's bad behaviour so that______.
A.
they can show it is the school that is at fault
B.
their child can develop a strong character
C.
they can help their child get rid of the bad behaviour
D.
they can 'bribe' their child with their support
【单选题】We all feel it is Jack as well as his wife that ____ for their son's bad behaviour at school. [ ]