计算
,其中D=(x,y)|0≤y≤1-x,y≤x).
参考答案:用极坐标, [*] [*]
Her parents wouldn’t let her marry anyone _____ the family was poor.
A.whose
B.whom
C.of which
D.of whom
下列各项支出,不在“管理费用”科目核算的是()
A、房产税
B、车船使用税
C、印花税
D、资源税