题目内容
下列物质中,属于芳香烃且属于苯的同系物的是( )
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='21930' and id < 1914237 and id<>'1914237' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='21930' and id > 1914237 and id<>'1914237' order by id asc limit 5