下列各项不属于营业外支出的是（）
A．处理固定资产净损失
B．固定资产盘亏损失
C．捐赠支出
D．离退休人员工资
参考答案：D
A test of the population variance is equal to a hypothesized value requires the use of a test statistic that is:（）
A. t - distributed.
B. z - distributed.
C. Chi- squared distributed.
Elephants have their own way to tell the shape of an object and_________ it is rough or smooth. [ ]
A./
B. whether
C. how
D. what
