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  3. It happens to every medical student sooner or later. You get a cough that persists for a while. Ordinarily, you, would just igno

It happens to every medical student sooner or later. You get a cough that persists for a while. Ordinarily, you, would just igno

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问题     It happens to every medical student sooner or later. You get a cough that persists for a while. Ordinarily, you, would just ignore it—but now-armed with your rapidly growing medical knowledge, you can’t help worrying. The cough could mean just a cold, but it could also be a sign of lung cancer.
    For doctors in training, nurses and medical journalists, hypochondria is an occupational danger. The feeling usually passes after a while, leaving only a funny story to tell at a dinner party. But for the tens of thousands who suffer from true hypochondria they live in constant terror that they are dying of some awful disease, or even several awful diseases at once. Doctors can assure them that there’s nothing wrong, but since the cough is real, the assurances fall on deaf ears. And because no physician or test can offer a 100% guarantee that one doesn’t have’ cancer, a hypochondriac always has fuel to feed his or her worst fears.
    Hypochondriacs don’t harm just themselves; they block the whole healthcare system. Although they account for only about 6% of the patients who visit doctors every year, they tend to burden their physicians with frequent visits that take up excessive amounts of time. And the problem may be worse, thanks to the popularity of medical information on the Internet. They go on the Web and learn about new diseases and new presentations of old diseases that they never even knew about before. Doctors have taken to calling this phenomenon cyberchondria(网络疑病症).
Which of the following best summarizes the main idea of the passage?
选项 A、Hypochondria happens to everybody sooner or later.
B、We needn’t worry about hypochondria since it is not dangerous at all.
C、Hypochondria originates from too much knowledge of medicine.
D、Not only individuals but also the healthcare system might be disturbed by unnecessary terrors.
答案D
解析 第1段以举例方式引入主题，第2段对hypochondria下定义，第3段则论述其对医疗保健体系造成的干扰，选项D正确全面地概括了文章大意，为正确答案。
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