对黄金征收的资源税,已改在商业零售环节缴纳。 ( )
参考答案:错
解析: 本题的考核点是资源税的纳税人及应税项目。黄金矿石属有色金属矿原矿,应在生产环节缴纳资源税。
Only when the villagers were faced with water shortage___ how serious the problem of water pollution was.
A.did they realize
B.will they realize
C.they did realize
D.were they realized
委托开发完成的发明创造,研究开发人转让:专利申请权的,委托人享有以同等条件优先受让的权利。 ( )