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生物都是由细胞构成的。 (      )

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    One student took a box of chicken to class. Another carried on a cell-phone1and still another whistled loudly every time the2turned his back. Reform school? No. College.

    More and more, professors say, they are3 across rude students in their classrooms. Many of today's young scholars arrive late, leave4talk loud or take care of personal 5such 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 6them get away with it.”

    Some educators say it is time to bring politeness back to their classrooms—and even7taking some of the blame for bad behavior. They say that8 students are by no means the majority but that one of them can ruin an entire9

    People are10when they learn that impolite behavior is becoming more and more common in11education, says Dr. Gerald Amanda, a counselor at City College of San Francisco. They12some high school students to misbehave but think those who get to 13 will behave more politely.

    Dr. Amanda believes that society in 14 has become more tolerant of rude behavior 15 that people in power, including professors, no longer 16 standards for politeness. That leads to a growing imprudence among some college17“There's a great18 of bad behavior in the world around them, and young people see it and19 disrespect,” said Dr. Amanda20that sometimes students have no idea that they are being rude.

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阅读下列材料回答问题

至清代中叶,苏州共有130多种行业成立行会,或建立会馆和公所,且都在官府备案,并将其组织缘起、本行行规以及其他有关经营的重要事情,皆铭刻碑记,以资信守,苏州府亦颁文予以确认,命其勒石遵守。阅读下列材料:

材料一  苏州为东南一大都会,商贾辐辏,百货骈阗。上自帝京,远连交广,以及海外诸洋,梯航毕至。吾乡之往来于斯者,或数年,或数十年,甚者成家室,长子孙,往往而有。此会馆之建所宜亟也。

————《苏州新修陕西会馆记》

材料二  姑苏为东南一大都会,四方商贾,辐辏云集,百货充盈,交易得所。故各省郡邑贸易于斯者,莫不建立会馆。

————《姑苏鼎建嘉应会馆引》

材料三  苏州府在为苏州绸缎业行会的设局呈文中作如下批示:“······经置房屋,作为公局,捐助绸业中失业贫苦、身后无备以及异籍不能回乡。捐资助棺、酌给盘费、置地设冢等善举,自当永远恪遵。如有地匪人等,借端滋扰······察出并惩。”

————《苏州府为胡寿康等设局捐济绸缎也善举碑》

材料四  明朝末年,常熟县商人朱元不看地方官吏敲诈勒索,上书苏州府:“元等俱系经纪小民,本小利微,不看赔累,于是有资竭而罢市者,有倾家而逸徒者,骚扰之害,惨切剥肤。甚且迩年以来,胥吏需索无穷,混派税银,一概追纳······此真雪上加霜,火上添油,不得不号天垂救者也。”

————《常熟县为侍宪号冤怜准立碑》