题目

56. Why is the sitcom Friends typical among young people in the 1990s?    A. Because it is a breakthrough in the producing style.    B. Because it is the most influential sitcom of all time.    C. Because it predicts the future of the young at that time. D. Because it addresses the subjects faced by the youth. 57. What can we learn about The Big Bang Theory?    A. It improves the conditions of the people in IT.    B. It arouses people’s enthusiasm for computers.    C. It is about four talents who are good at everything.    D. It is set in the time before the In关于系统的概念，下列叙述正确的是（ ）A.身体某一部分各器官的总和B.体内功能上有某种联系的多个器官的总和C.体内结构上连续的各个器官的总和D.体内能完成一项或几项生理功能的多个器官的总和