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 following the passage.Read the passage through carefully before making your choices.Each choice in the bank is identified by a letter.Please mark the corresponding letter for each item on Answer Sheet 2 with a single line through the centre.You may not use any of the words in the bank more than once.

Questions 26 to 35 are based on the following passage.

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 students’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 distraction， and wireless introduces an even 31 range of distraction.

This is 32 annoying for law professors，many of whom still live in the world of paper.“This is something that hurts the students themselves，”said Ian 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 35 of losing his students to e-mails and online newspapers as a challenge to keep lectures lively and interesting.

A）advantages I）larger

B）arrival J）new

C）broader K）obstacle

D）challenge L）opposes

E）demonstrates M）possible

F）differently N）threat

G）drawbacks O）visible

H）especially