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．Amanda 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 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．”
1.A．line B．conversation C．message D．picture
2.A．professor B．student C．president D．classmate
3.A．hardworking B．cheating C．rude D．selfish
4.A．late B．early C．noisily D．quietly
5.A．felling B．interest C．computer D．business
6.A．badly B．well C．politely D．oneself
7.A．enjoy B．hate C．start D．avoid
8.A．school B．company C．society D．class
9.A．delighted B．surprised C．interested D．encouraged
10.A．better B．more C．higher D．younger
11.．A．expect B．hope C．forbid D．wish
12.A．work B．college C．learning D．knowledge
13.A．all B．time C．charge D．general
14.A．why B．how C．whether D．that
15.A．change B．break C．set D．reach
16.A．teaching B．politeness C．thinking D．progress
17.A．about B．for C．behind D．among
18.A．deal B．number C．many D．sum
19.A．prepare B．grow C．develop D．improve
20.A．speaking B．adding C．warning D．wishing
Wind power is an ancient source of energy ________ we may return in the near future.
A. in which B. to which C. on that D. from which
— Did you take enough money with you?
— Yes, but I spent ________ I had expected.
A. not so many as B. as many as C. much more than D. much less than
A theme park featuring Hans Christian Andersen's fairy tales will be built and open to public in Shanghai during the World Expo, which is ________ on May 1 next year in the city．
A．scheduling to start B．scheduled to start C．starting D．to being started
Lucy has a great sense of humour and always keepsher colleagues ________ with her stories.
A. amused B. amusing C. to amuse D. to be amused
Evidence has been piled up________ drinking water after getting up in the morning contributes to one’s health.
A. what B. which C. if D. that
