他写道：“书包是所有学生必须配备的。”
He wrote: 'a school bag is an essential item for all our students.
所有学生必须对其所选择的题目，撰写研究计画(约15页)。
All students are required to write a research prospectus (15 pages) on a topic of their choice.
与多数其它发达国家不同，美国没有一个全国性学术标准，规定要想从高中毕业，所有学生必须学会些什么。
Unlike most other developed countries, the US does not have national academic standards outlining what each student must learn to graduate from high school.
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