A new survey by Harvard University finds more than two-thirds of young Americansdisapprove

of President Trump’s use of Twitter The implication is that Millennials prefer newsfrom the White House to be filtered through other source， Not a president’s social mediaplatform.

Most Americans rely on social media to check daily headlines Yet as distrust has risentoward all media， people may be starting to beef up their media literacy skills Such a trend isbadly needed.During the 2016 presidential campaign， nearly a quarter of web content sharedby Twitter users in the politically critical state of Michigan was fake news， according to theUniversity of Oxford And a survey conducted for BuzzFeed News found 44 percent of Facebookusers rarely or never trust news from the media giant.

Young people who are digital natives are indeed becoming more skillful at separating factfrom fiction in cyberspace.A Knight Foundation focus-group survey of young people betweenages 14and24 found they use “distributed trust” to verify stories They cross-check sourcesand prefer news from different perspectives—especially those that are open about any bias “Many young people assume a great deal of personal responsibility for educating themselvesand actively seeking out opposing viewpoints，” the survey concluded.

Such active research can have another effect A 2014 survey conducted in Australia，Britain， and the United States by the University of Wisconsin-Madison found that young people’ s reliance on social media led to greater political engagement.

Social media allows users to experience news events more intimately and immediately whilealso permitting them to re-share news as a projection of their values and interests.This forcesusers to be more conscious of their role in passing along information A survey by Barnaresearch group found the top reason given by Americans for the fake news phenomenon is“reader error，” more so than made-up stories or factual mistakes in reporting About a thirdsay the problem of fake news lies in “misinterpretation or exaggeration of actual news” viasocial media In other words， the choice to share news on social media may be the heart of theissue “This indicates there is a real personal responsibility in counteracting this problem，” saysRoxanne Stone， editor in chief at Barna Group.

So when young people are critical of an over-tweeting president， they reveal a mentaldiscipline in thinking skills – and in their choices on when to share on social media.

According to the Paragraphs 1 and 2， many young Americans cast doubts on_________.

A.the justification of the news-filtering practice

B.people’s preference for social media platforms

C.the administrations ability to handle information

D.social media was a reliable source of news

The phrase “beer up”（Line 2， Para 2） is closest in meaning toA.sharpen

B.define

C.boast

D.share

Which of the following would be the best title for the text？A.A Rise in Critical Skills for Sharing News Online

B.A Counteraction Against the Over-tweeting Trend

C.The Accumulation of Mutual Trust on Social Media

D.The Platforms for Projection of Personal Interests

The Barna survey found that a main cause for the fake news problem isA.readers outdated values

B.journalists’ biased reporting

C.readers’ misinterpretation

D.journalists’ made-up stories

According to the knight foundation survey， young peopleA.tend to voice their opinions in cyberspace

B.verify news by referring to diverse resources

C.have s strong sense of responsibility

D.like to exchange views on “distributed trust”

请帮忙给出每个问题的正确答案和分析，谢谢！