下列物质中属于非电解质的是

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='22258' and id < 1948923 and id<>'1948923' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='22258' and id > 1948923 and id<>'1948923' order by id asc limit 5