质量管理常用的统计方法不包括（）。
A.调查表
B.直方图与过程能力分析
C.流程图
D.规划表
参考答案：D
函数f（x）=1-loga（2-x）（a＞0，且a≠1）的图象恒过定点______．
Now the people in that mountain village are _____________than they were 10 years ago.
A．well off
B．better off
C．badly off
D．worse off
