【题目】 Increasingly, Americans are becoming their own doctors, by going online 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 if they lack health insurance. Or they may stay away because they find it embarrassing 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 experiences in the past. But playing doctor can also be a deadly game.
Every day, more than six million Americas turn to the Internet for medical answers—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 surveyed believe all or most of what they read on health websites. They shouldn't look up " headache," and the chances of finding reliable and complete information, free from a motivation for commercial gain, are only one in ten, reports an April 2005 Brown Medical School study. Of the 169 websites the researchers rated, only 16 are scored as "high quality.” Recent studies have 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 information exists on the Internet.
The problem is that 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 reasonable or not,” says Dr. Sarah Bass from the National Cancer Institute.
【1】According to the text, an increasing number of Americans .
A.are suffering from mental disorders
B.turn to Internet pharmacies for help
C.like to play deadly games with doctors
D.are sceptical about surfing medical websites
【2】Why do some Americans stay away from doctors?
A.They find medical devices easy to operate.
B.They prefer to be diagnosed online by doctors.
C.They are afraid to face the truth of their health.
D.They are afraid to misuse their health insurance.
【3】What can we learn according to the study of Brown Medical School?
A.More than 6 million Americans distrust doctors.
B.Only 1/10 of medical websites aim to make a profit.
C.About 1/10 of the websites surveyed are of high quality.
D.72% of health websites offer incomplete and faulty facts.
【4】Which of the following is the author's main argument?
A.It's cheap to self-treat your own illness.
B.It's embarrassing to discuss your bad habits.
C.It's reasonable to look up a medical website.
D.It's dangerous to be your own doctor.
【答案】
【1】B
【2】C
【3】C
【4】D
【解析】
本文为议论文。越来越多的美国人成为自己的医生，通过在线诊断他们的症状，但是由于互联网上存在着大量不完整、不准确甚至是危险的。
【1】
细节理解题。根据第一段第一句Increasingly, Americans are becoming their own doctors, by going online to diagnose their symptoms, order home health tests or medical devices, or even self-treat their illnesses with drugs from Internet pharmacies （药店）（越来越多的美国人开始成为自己的医生，他们上网诊断自己的症状，要求进行家庭健康测试或使用医疗设备，甚至使用互联网药店提供的药物进行自我治疗），可知，越来越多的美国人上网求医问药，故选B。
【2】细节理解题。第一段Patients may also fear what they might learn about their health, or they distrust physicians because of negative experiences in the past.（病人也可能担心他们可能了解到自己的健康状况，或者因为过去的负面经历而不信任医生。）可知美国人疏远医生是不敢面对自己的真实的健康状况。故选C。
【3】
细节理解题。根据第二段Of the 169 websites the researchers rated, only 16 scored as “high quality”可知，169家保健网站，只有16家安全可靠，即占1/10。故选C。
【4】
推理判断题。本文主要讲述美国人越来越热衷于网上求医问药，最后一段指出作者的写作目的和主要论点：健康网站参差不齐，直接找网站寻求健康信息不太可靠。所以，作者认为自己当医生是很危险的。故选D。
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