Directions:-|||-In this section,there is a passage with ten blanks. You are required to select one word for each blank from a list of choices-|||-given in a word bank before the passage.Read the passage through carefully before making your choices. Each choice in the-|||-bank is identified by a letter.Please write down the corresponding letter for each item in the blanks.You may not use any of the-|||-words in the bank more than once-|||-A)advantages E)demonstrates I) larger M)possible-|||-B)arrival F)differently new N)threat-|||-C)broader G)drawbacks K)obstacle O)visible-|||-D)challenge H) especially L)opposes-|||-American universities are rushing towards a wireless future. They are installing networks that let students and teachers surf the Internet from-|||-laptop computers.But professors say the technology poses a growing 26 : retaining their student attention-|||-In a classroom at American University in Washington D.C.the benefits and 27 of the new wireless work were on display.-|||-From the back row of a lecture hall,more than a dozen laptop screens were 28 . As Professor Jay Mallek lectured on the finer-|||-points of an office budget, many students went online to surf the Internet.Students write quick e-mails and send instant messages.A young man-|||-shows an amusing e-mail to the women next to him. and then switches over to read the online edition of The Wall Street Journal.Distraction is-|||-nothing 29 As long as there have been schools,students have whispered, passed notes and even gazed out the window and-|||-daydreamed.But the 30 of the laptop has introduced new opportunities for distrac and wireless introduces an even-|||-__ range of distraction.-|||-31-|||-This is __ annoying for law professors, many of whom still live in the world of paper."This is something that hurts the-|||-32-|||-students themselves,"said lan Ayres,professor at Yale Law School,who 33 the Internet's entry into the classroom.However,-|||-Professor Mallek sees it 34 He said the benefits of the technology outweigh(胜过)the problems. He suggested that it-|||-might even be making him a better teacher He takes the __ of losing his students to e-mails and online newspapers as a-|||-35-|||-challenge to keep lectures lively and interesting