剪羊毛(未梳;未脱脂) ( )A.7 B.8 C.9 D.10 发布时间:2017-12-28 15:21 │ 来源:www.tikuol.com 题型:单项选择题 问题: 剪羊毛(未梳;未脱脂) ( )A.7B.8C.9D.10
题型:单项选择题 下列各组离子一定能大量共存的是( )A.含有大量Ba2+的溶液中:Cl、K+、SO42-、CO32-B.含有大量H+的溶液中:Mg2+、Na+、HCO3-、SO42-C.含有大量OH-的溶液中:NH4+、NO3、SO42-、CO32-D.含有大量Na+的溶液中:H+、K+、SO42-、NO3- 查看答案
题型:单项选择题 —Recently there _______ some news about the suicides (自杀) of Korean artists.—Yes. Korean artists face too _______ pressure. [ ]A. was; muchB. were; manyC. were; much D. was; many 查看答案