经济学研究的基本问题是人类社会生存和发展面对的一个( )的矛盾,即需求的无限性和资 发布时间:2017-12-23 13:06 │ 来源:www.tikuol.com 题型:单项选择题 问题: 经济学研究的基本问题是人类社会生存和发展面对的一个( )的矛盾,即需求的无限性和资源的有限性之间的矛盾。A.根本性 B.系统性C.基础性 D.功能性
题型:单项选择题 根据2012年人教版九年级英语下册Unit14 SectionB(3a-4)判断正(T)误(F)。 ( ) 1. In the last twelve months, the New Ocean Waves had four major concerts. ( ) 2. They're going to appear on CCTV next month. ( ) 3. They only play other people's songs. ( ) 4. They gave half of the money they made to help the homeless children.. ( ) 5. They gave half of the money they made to help the homeless children. 查看答案