每次考试都考不好该怎么办

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select * from tbl_Articles WHERE ArticleID=3128161 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3128161 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3128161 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(672903,843660,1094439,771584,169349,1068356,2441874,247468,1115003,1069315,196506,1995575,1092374,1939850,1125357,1545032,1133175,3412231,2523790,1469272,196773,590318,1674864,1739568,713948,1597712,1056384,758658,2009608,1479875) ORDER BY field (ArticleID,672903,843660,1094439,771584,169349,1068356,2441874,247468,1115003,1069315,196506,1995575,1092374,1939850,1125357,1545032,1133175,3412231,2523790,1469272,196773,590318,1674864,1739568,713948,1597712,1056384,758658,2009608,1479875)