题目内容：

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

We think that life in Chinese high school is an adventure in which we have to survive mountains of homework and all kinds of exams. Yet would it be   1.  (surprise) if I tell you that high school life in the US is almost as stressful and demanding   2.  it is in China?

In US high school, everything must 3.  (record) into your studying document, including your grades on quizzes, tests and final examinations. Failing   4.  (turn) in your homework on time will directly affect your grade for a certain course. Perhaps completely different from 5.  we used to think of the US high school students, they pay great attention to   6. (they) academic performance in order that they can get into a distinguished university.

Like university students, US high school students have the 7.  (free) to choose the courses that most interest them. Even a ninth-grader can sit 8.  the same classroom as 12th-graders. But this also 9.  (mean) he or she has to work very hard, because the teacher will not treat him or her 10.  (different).