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四川汉源县2017高考英语阅读理解一轮编选 阅读下列短文，从每题所给的四个选项（A、B、C、D）中，选出最佳选项。Teachers say the digital age has had a good influence----- and a not-so-good influence----on this generation of American teenagers. More than 2000 teachers took an online survey. Three-quarters of the teachers said the Internet and digital search tools have had a “ mostly positive” effect on their students’ research habits and skills. But 64 percent said the technologies “ do more to distract (使分心) students than to help them academically.” And 87 percent agreed that these technologies are creating an “ easily distracted generation with short attention spans.” The Pew Internet Project did the survey with the National Writing Project. Judy Buchanan is the vice director of the National Writing Project and a co-author of the report. Ms. Buchanan says digital research tools are helping students learn more and faster. “ Teachers really favor these tools because they are ways to make some of the learning exciting and engaging. Young people favor these tools. The goal is to really help them become creators of meaningful content, and not just sort of consumers.” But one problem the survey found is that many students lack digital literacy. They trust too much of the information they find on the Internet. Judy says these students haven’t developed the skills to determine the quality of online information. “ It’s something that really has to be taught and paid attention to, because in a world in which things happen quickly, you do need to step back, reflect and analyze the information you have.” | 
