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 st

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 ing 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 being more and more mon 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．Amanda believes that society in   33  has bee more tolerant of rude behavior and 
34       people in power, including professors, no longer  35     standards for  36     ．That leads to a growing imprudence（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．lineB．conversation C．messageD．picture【小题2】A．professorB．studentC．presidentD．classmate【小题3】A．hardworking B．cheatingC．rudeD．selfish【小题4】A．lateB．earlyC．noisilyD．quietly【小题5】A．fellingB．interestC．puterD．business【小题6】A．badlyB．wellC．politelyD．oneself【小题7】A．enjoyB．hateC．startD．avoid【小题8】A．schoolB．panyC．societyD．class【小题9】A．delightedB．surprisedC．interestedD．encouraged【小题10】A．betterB．moreC．higherD．younger【小题11】．A．expectB．hopeC．forbidD．wish【小题12】A．workB．collegeC．learningD．knowledge【小题13】A．allB．timeC．chargeD．general【小题14】A．whyB．howC．whetherD．that【小题15】A．changeB．breakC．setD．reach【小题16】A．teachingB．politenessC．thinkingD．progress【小题17】A．aboutB．forC．behindD．among【小题18】A．dealB．numberC．manyD．sum【小题19】A．prepareB．growC．developD．improve【小题20】A．speakingB．addingC．warningD．wishingB【小题1】A【小题1】C【小题1】B【小题1】D