【题文】下列盐的水溶液，其pH值小于7的是（   ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='22264' and id < 1949505 and id<>'1949505' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='22264' and id > 1949505 and id<>'1949505' order by id asc limit 5