五、根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有一项为多余选项。
Today's teens have grown up online. 1. ______ They do homework online. And surely they get their news online. But because they are so comfortable with the Internet, they seldom question the news stories online.
Now William Colglazier, a history teacher at a high school in America, is teaching his students how to think critically(批判性地) about online information and recognize a fake(假的) news story.
His idea came from a study on people's online reasoning(推理) at Stanford University. 2. ______ Most middle school students in the study could not tell the difference between an advertisement and a news story, and high school and college students fully trusted the websites ending in “org”.
The good news is that, according to Colglazier, once teens realize they've been cheated, they have strong will to tell truth from lies. “3. ______ and how to recognize when others use poor argumentation(论据),” he said. Some of the advice that Colglazier offers his students includes moving off the site to find more information about the site, the writer's motivations(动机) and the organization behind the news story.
4. ______ He hopes more kids would think critically when they read news online. “5. ______” he said. “If people can't tell real news from fake news, the results can be frightening.”
A. The Internet is both beautiful and ugly,
B. They make friends online.
C. But they need some advice on how to find evidence(证据),
D. The study found that young people lack ability to reason about the information on the Internet.
E. The Internet is between beautiful and ugly,
F. Colglazier shared some of his courses with other teens in Teen Vogue.

1. B 2. D 3. C 4. F 5. A