问题描述：
英语翻译
This is to certify that to made students more competitive and ambitious,our school has long been setting the level of difficulty in school-based examinations much higher than that of Graduate Examination for middle school students in SiChuan Province,thus enabling students in our school average 20-30% more than students from other places do in Graduate Examinations.
This is to certify that to made students more competitive and ambitious,our school has long been setting the level of difficulty in school-based examinations much higher than that of Graduate Examination for middle school students in SiChuan Province,thus enabling students in our school average 20-30% more than students from other places do in Graduate Examinations.
问题解答：
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