不定项选择 对于激光的认识，以下说法正确的是（    ） 

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='16668' and id < 1399950 and id<>'1399950' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='16668' and id > 1399950 and id<>'1399950' order by id asc limit 5