A:a﹣b时沉淀的物质的量:Al(OH)3比BaSO4多
B:b﹣c时溶液中离子的物质的量:AlO2﹣比Ba2+多
C:a﹣d时沉淀的物质的量:Al(OH)3一定小于BaSO4
D:d﹣e时溶液中离子的物质的量:Ba2+可能等于AlO2﹣
分娩的结果是( )
Our government has tried many ways to the smog(雾霾)problem. Maybe we'll have a clear sky in the near future.