张玲和李影同学在进行“测量小灯泡额定功率”的实验中，现有器材：额定电压为3.8V的小灯泡（电阻约为20Ω）2个，电压约为12V的电源1个，电流表、电压表、开关各1个，规格分别为“20Ω，1A”和“50Ω，0.5A”的滑动变阻器各1个，导线若干．

    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).

补写出下列句子中的空缺部分。