第6题: [单项选择]It was only after some progress ______ in the use and development of electric current that men began to realize the importance and possibilities of magnetism. A. had been made B. would have been made C. has been made D. was made 参考答案:A 答案解析:被动语态。make progress in．．．的被动语态是progress is made in...。
第25题: [多项选择]关于城建税的征收管理，下列说法正确的有( )。 A. 对流动经营无固定纳税地点的单位和个人，应随同“三税”在经营地按适用税率缴纳 B. 对管道局输油部分的收入，由某一管道局汇总于所在地纳税 C. 城建税和“三税”缴税入库的时间上不一定完全一致 D. 城建税的纳税期限分别与“三税”的纳税期限一致 参考答案:A,C,D 答案解析:[解析] 对管道局输油部分的收入，由取得收入的各管道局于所在地缴纳营业税，其应纳城建税也一并缴纳。
