耕地占用税的纳税人必须在经土地管理部门批准占用耕地之日起( )日内缴纳耕地占用税。
A．15
B．20
C．25
D．30
参考答案：D
—March 8 is International ______ Day.
—This day is for people to remember that women are just ______ men. [ ]
A. Woman's; as important as
B. Women's; more important than
C. Woman's; more important than
D. Women's; as important as
反应系统中和清洗液的组成有（）。
A、碳酸钠（一级）5%
B、硝酸钠0.5%
C、表面活性剂0.05%
D、氢氧化钠0.5%
