不具备外资股承销资格的证券经营机构从事外资股承销，属于股票承销中的禁止行为。( )
参考答案：对
A number of bricks were purchased to build a fireplace, at a cost of 40 cents each, but only of them were needed. If the unused 190 bricks were returned and their cost refunded, what was the cost of the bricks used to make the fireplace ？（）
A.$76
B.$228
C.$304
D.$414
E.$570
根据著作权法及相关规定，在著作权人没有事先声明不许使用、转载的情况下，下列哪些行为可以不经著作权人许可，但应当按照规定支付报酬
A．在为实施九年制义务教育而编写出版的教科书中汇编已经发表的作品片段
B．著作权人向报社投稿，作品被刊登后，其他报刊转载该作品
C．广播电台播放他人已经发表的作品
D．表演者使用他人已经发表的歌曲进行演出
of them were needed. If the unused 190 bricks were returned and their cost refunded, what was the cost of the bricks used to make the fireplace ？（）