【单选题】下列各组物质按等物质的量混合配成溶液后,其中不是缓冲溶液的是( )
【单选题】His thorough knowledge and competence have gained ________ from his colleagues.
【单选题】His thorough analysis of the problem showed great ________.
【单选题】-----He should have come to join in the thorough cleaning. -----He________, I think. It’s not his turn.
【单选题】下列各组物质按等物质的量混合配成溶液后,其中不是缓冲溶液的是
【单选题】下列各组物质按等物质的量混合配成溶液后,其中不是缓冲溶液的是( )。
【判断题】山西云冈石窟是国家5A级景区,又是世界文化遗产。
【单选题】下列各组物质按等物质的量混合配成溶液后,其中不是缓冲溶液的是
【单选题】下列各组物质按等物质的量混合配成溶液后,其中不是缓冲溶液的是
【单选题】—He should have come to join in the thorough cleaning. —He _____. I don’t think it was his turn.