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  3. 共用题干 Medical Journals Medical journals are publications that report medical ...

共用题干 Medical Journals Medical journals are publications that report medical ...

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问题 共用题干
Medical Journals Medical journals are publications that report medical information to physicians and other health professionals. In the past,these journals were available only in print.With the development of electronic publishing, many medical journals now have web sites on the Internet,and some journals are published only online.A few medical journals,like the Journal of the American Medical Association,are considered general medical journals because they cover many fields of medicine.
Most medical journals are specialty journals that focus on a particular area of medicine. Medical journals publish many types of articles.Research articles report the results of research studies on a range of topics varying from the basic mechanisms of diseases to clinical trials that compare outcomes of different treatments.
Review articles summarize and analyze the information available on a specific topic based on a careful search of the medical literature.Because the results of individual research studies can be affected by many factors,combining results from different studies on the same topic can be helpful in reaching conclusions about the scientific evidence for preventing,diagnosing or treating a particular disease.
Case  conferences and case reports may be published in medical journals to educate physicians about particular illnesses and how to treat them.Editorials in medical journals are short essays that express the views of the authors,often regarding a research or review article published in the same issue.Editorials provide a perspective on how the current article fits with other information on the same topic.
Letters to the editor provide a way for readers of the medical journal to express comments,questions or criticisms about articles published in that journal.
选项 How many major types of articles are mentioned inl the passage?
A:Five.
B:Seven.
C:Four.
D:Six.
答案A
解析由文章第一段“Medical journals are publications that report medical information to physicians and health professions.”可知，内科医生和其他健康专业人士是医学杂志的主要读者。故选B。
由文章第二段第二句话“… some journals are published only online.”可知，只有一些医学杂志仅仅在网上发行，而不是大部分都只在网上发行。故选C。
由文章第三段内容可知，医学杂志包含的文章类型有科研论文（research artides)、综述文章（review articles).病例会诊和病例报告（case conferences and case reports)、社论（editorials)和读者来信（letters to the editor)，共5种。故选A。
由文章第三段第三句和第四句话可知，包含同一主题的不同的研究结果的文章是综述文章（review article)。故选B。
由文章最后一段最后一句话“Letters to the editor…to express comments , questions or criticisms about articles published in that journal.”可知，读者来信（letters to the editor）使读者能够对杂志上发表的文章进行评论。故选C。
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