人教版高三英语阅读理解练习一篇，附答案及解析。

调查发现很多美国人通过网络获取健康方面的信息。

A new survey finds that more than eighty percent of Internet users in the United States search for health information online. The survey is from the Pew Research Center's Internet and American Life Project and the California HealthCare Foundation.

Susannah Fox from the Pew Internet Project says doctors are still the main source of health information. But the survey found that searching online is one of the leading ways that people look for a second opinion. SUSANNAH FOX: "People are sort of fact-checking what they have heard from a doctor.