求翻译：兹证明学生张颂，男，自 2009年9月至2012年7月在我校就读，于今年7月完成初中学业，顺利毕业。其个人表现、学习成绩均好。他将于2012年8月赴美国高中参加四年的文化交流活动，我校同意其参加赴美文化交流项目。是什么意思？

I certify that the student Zhang Song, male, studying in my school since September 2009 to July 2012, was completed in July this year, Junior High School graduate. Their individual performance, the grades are good. He will be held in August 2012 to the United States high school to participate in a f

THIS IS TO CERTIFY that a student, male, from September 2009 to July 2012 in my school, completed in July of this year, junior high school graduate. Their personal performance and learning achievements are good. He will be in August 2012 High School in the United States participated in the cultural

This proved student Zhang Song, male, from from September, 2009 to July, 2012 in my school study, completes the junior middle school studies in this July, smooth graduation.Its individual performance, academic record all good.He will go to American High school in August, 2012 to participate in four

Ode to certify that the student, male, between September 2009 and in my school, completed in July this year junior secondary school, graduates. Its individual performance, learning achievement is good. He will be held August 2012 to United States high schools participating in the four-year cultural