[本科]纵联保护具有绝对的选择性。（  ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69487' and id < 4500967 and id<>'4500967' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69487' and id > 4500967 and id<>'4500967' order by id asc limit 5