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____(surprise) if I tell you that high school life in the US is almost as stressful and demanding as it is in China?

    In US high school, everything____(record) into your studying document, including your grades on quizzes, tests and final examinations. Failing____(turn) in your homework on time will directly affect your grade for a certain course. Perhaps contrary to____we used to think of the US high school students, they pay more attention to their____(academy) performance to try to get into a distinguished university.____, they'll be disappointed after graduation from high school.

    Like university students, US high school students have the____(free) to choose the courses that most interest____(they). Even a ninth grader can sit____the same classroom as twelfth graders. But this also means he or she has to work very hard, because the teacher will not treat him or her differently just because he or she is a few years____(young).

我国道路交通安全法规定，在各种小型车辆前排乘坐的人必须系好安全带．汽车刹车时汽车会很快停下来，人还要继续向前运动，此时安全带对人施加向后的拉力，保障人的安全，在这一过程中（　　）