完形填空（共20小题；每小题1分，满分20分） 阅读下面短文，掌握其大意，然后从21-40各题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。 One student took a box of chicken to class．Another carried on a cell-phone 21  , and still another whistled loudly every time the 22 turned his back． Reform school? No．College． More and more, professors say, they are coming across 23 students in their classrooms．Many of today’s young scholars arrive late, leave 24 , talk loud or take care of personal 25 such as paying bills during class． Why are the students behaving 26  _ ? “Because they can,” said a student of University of North Texas．“A lot of the time, the professors let them get away with it．” Some educators say it is time to bring politeness back to their classrooms—and even 27 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 ruin an entire 28 ． People are 29 __ when they learn that impolite behavior is becoming more and more common in 30  _ education, says Dr．Gerald Amanda, a counselor at City College of San Francisco．They 31 some high school students to misbehave, but think those who get to 32__ will behave more politely． Dr．Ama nda believes that society in 33 has become more tolerant of rude behavior and 34  ___ people in power, including professors, no longer 35 ___ standards for 36 __ ．That leads to a growing imprudenc e（轻率行为） 37 some college students．“There’s a great 38 of bad behavior in the world around them, and young people see it and 39  _ disrespect,” said Dr．Amanda, 40 ___ that sometimes students “have no idea that they are being rude．” 小题1: A．line B．conversation C．message D．picture 小题2: A．professor B．student C．president D．classmate 小题3: A．hardworking B．cheating C．rude D．selfish 小题4: A．late B．early C．noisily D．quietly 小题5: A．felling B．interest C．computer D．business 小题6: A．badly B．well C．politely D．oneself 小题7: A．enjoy B．hate C．start D．avoid 小题8: A．school B．company C．society D．class 小题9: A．delighted B．surprised C．interested D．encouraged 小题10: A．better B．more C．higher D．younger 小题11:． A．expect B．hope C．forbid D．wish 小题12: A．work B．college C．learning D．knowledge 小题13: A．all B．time C．charge D．general 小题14: A．why B．how C．whether D．that 小题15: A．change B．break C．set D．reach 小题16: A．teaching B．politeness C．thinking D．progress 小题17: A．about B．for C．behind D．among 小题18: A．deal B．number C．many D．sum 小题19: A．prepare B．grow C．develop D．improve 小题20: A．speaking B．adding C．warning D．wishing