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UNIT 3 课时检测(三) Grammar and usage
Ⅰ.阅读理解
Teachers say that the digital age has had a good influence and a not-so-good influence on American teenagers.More than 2,000 middle school teachers took an online survey.Researchers also spoke with teachers in some groups.Most teachers think the Internet and digital search tools have had a mostly positive influence on their students' research habits and skills.But at the same time, some teachers also point out some problems in teenagers' using digital search tools.
The Pew Internet Project did the survey with the College Board and the National Writing Project.Judy Buchanan is the director of the National Writing Project and a co-writer of the report.She says digital search tools are helping students learn more, and learn faster.“Both teachers and students really welcome these tools because they make learning exciting.And the goal is to really help students become creators of something meaningful, and not just users of the online information.”
But one problem the survey found is that these technologies make teenagers have short attention spans (持续时间).As there is lots of information about different subjects on the Internet, teenagers' attention is easily drawn away from their research.
Another problem the survey found is that many students trust the information they find on the Internet too much.Judy Buchanan says these students have not developed the skills to judge the online information.They need to learn a lot to tell if the information is believable.It's something that really has to be paid attention to.
One more problem the survey found is something that might not seem like a problem at all: being able to quickly find information online.Many students think “doing research” now means just doing a quick search on the Internet.Teachers say the result is a drop in the wish and ability of their students to work hard to find answers.That is, they are depending too much on search engines and do not make enough use of printed bo