方差分析是一种检验多个总体均值是否相等的统计方法。
参考答案:对
下列选项默认的布局管理器不是BorderLayout的是______。
A.Window
B.Panel
C.Frame
D.Dialog
.
_______he is working much harder, he won’t have any trouble passing the entrance exams.
A.Ever since
B.In case
C.Even though
D.Now that