ⅰ 语言知识及应用 (共两节，满分45分) 第一节 完形填空 (共15小题；每小题2分，满分30分) 阅读下面短文，掌握其大意，然后从1—15各题所给的a、b、c和d项中，选出最佳选项，并在答题卡上将该项涂黑。 electronic books have changed the way many people read for pleasure. now online textbooks are changing the way some students 1 and some teachers teach. more than 175，000 students 2 the public schools in fairfax county, virginia, outside washington. last year, the school system used digital 3 in fifteen schools. this school year, middle schools and high schools changed from 4 to electronic textbooks in their social studies classes. luke rosa is a history teacher at falls church high school. his 5 work on school laptop computers. he explains the idea to them this way: "i mean, it's just like a 6 textbook, except it's got it all online." peter noonan, a leader of schools, says with electronic textbooks, publishers can quickly 7 the content with the latest information. he says: "the world's changing 8 . and the online textbooks can change right along with the events that are happening."
