题型：语法填空（语篇） 题类：常考题 难易度：困难
安徽省宿州市十三所重点中学2018-2019学年度高二上学期英语期末考试试卷（含小段音频）
Increasingly, Americans are becoming their own doctors by going to diagnose their symptoms, order home health tests or medical devices, or even self-treat their illnesses with drugs from Internet pharmacies(药店).Some avoid doctors because of the high cost of medical care, especially they lack health insurance. Or they may stay away because they find it(embarrass) to discuss their weight, smoking, alcohol consumption or couch potato habits. Patients may also fear what they might learn about their health, or they distrust physicians because of negative (experience) in the past. But(play) doctor can also be a deadly game.
Every day, more than six million Americans turn to the Internetmedical answers— and most of them aren't nearly sceptical enough of what they find. A 2002 survey by the Pew Internet &American Life Project found that 72 percent of those(survey) believe all or most of what they read on health websites. They shouldn't look up “headache” and the chances of finding (rely) and complete information, free from a motivation for commercial gain, (be) only one in ten, reports an April 2005 Brown Medical School study. Of the 169 websites the researchers rated, only 16 scored as “high quality”. Recent studies found faulty facts about all sorts of other disorders, causing one research team to warn that a large amount of incomplete, inaccurate and even dangerous (inform) exists on the Internet.
The problem is most people don't know the safe way to surf the Web. “They use a search engine like Google, get 18 trillion choices and start clicking. But that's risky, because almost anybody can put up a site that looks authoritative ( 权威的), so it's hard to know if what you're reading is (reason) or not,” says Dr. Sarah Bass from the National Cancer Institute.
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