请各位英语大神帮我翻译下一个简单的英语短文，直接谷歌翻译的不要来。

Senior one.they weekly extracurricular reading time have seven hours a week, a year reading time five hours, and the high extracurricular reading time only 2 hours, this is because ninth-

Grade One of high school has 7 hours a week for reading. Grade Two has 5 hours for reading per week. But there are only 2 hours of reading for a Grade Three student. This is because the courses of a

students of senior one have seven hours a week to do some after-class reading while students of senior two have only five hours to do that.
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为升级，灌水