题目

7．关于人体内环境稳态调节机制的现代观点是（     ） A．体液调节      B．神经调节       C．免疫调节      D．神经—体液—免疫调节 答案：D 完形填空。      One student took a box of chicken to class. Another carried on a cell-phone   1   and still another whistledloudly every time the   2   turned his back. Reform school? No, College.      More and more, professors say, they are coming across   3   students in their classrooms. Many of today'syoung scholars (学者) arrive late, leave   4  , talk loud or take care of personal   5   such as paying bills during class. Why are the students behaving badly? "Because they can," said a student of University of North Texas. "A lot of the time, the professors let them get   6   with it."      Some educators say it is time to bring politeness back to their classrooms-and even  17  taking some of the blame for bad behavior. They say that rude students are by no means the majority but that one of them can ruinan entire   8  .      People are   9   when they learn that impolite behavior is becoming more and more common in  10  education,says Dr. Gerald Amanda, a counselor at City College of San Francisco. They  11  some high school students tomisbehave but think those who get to  12  will behave more politely.      Dr. Amanda believes that society in  13  has become more tolerant (容忍的) of rude behavior and  14  people in power, including professors, no longer  15  standards for  16 . That leads to a growing imprudence (轻率行为)  17  some college students. "There's a great  18  of bad behavior in the world around them, and young people see it and  19  disrespect," said Dr. Amanda,  20  that sometimes students "have no idea that they are being rude". (     )1. A. speech     (     )2. A. professor  (     )3. A. selfish    (     )4. A. late        (     )5. A. feeling   (     )6. A. away       (     )7. A. enjoy     (     )8. A. school      (     )9. A. delighted  (     )10. A. better     (     )11. A. expect   (     )12. A. work         (     )13. A. all          (     )14. A. why          (     )15. A. change       (     )16. A. teaching     (     )17. A. about        (     )18. A. deal         (     )19. A. prepare      (     )20. A. speaking     B. conversation  B. student       B. cheating     B. early         B. interest   B. down         B. hate        B. company      B. surprised     B. more        B. hope        B. college    B. time         B. how           B. break         B. politeness B. for          B. number       B. grow         B. adding       C. message     C. president     C. rude         C. noisily    C. computer   C. along        C. start      C. society     C. interested       C. higher      C. forbid      C. learning    C. charge      C. whether       C. set      C. thinking    C. behind      C. many         C. develop     C. warning    D. picture        D. classmate      D. hardworking    D. quietly       D. business       D. back           D. avoid           D. class           D. encouraged    D. younger        D. wish            D. knowledge                D. general        D. that           D. reach           D. progress      D. among          D. sum             D. improve        D. wishing