2013年职称英语理工类的阅读理解练习题9

　　Medical Journals

　　Medical journals are publications that report medical information to physicians and other health professionals.

　　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.

　　Editorials provide 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. 1. The main readers of medical journals are

　　B1healthprofessionals.

　　D、news reporters.

　　A)Many medical journals also publish online.

　　C)Most medical journals publish only online.

　　3. How many major types of articles are mentioned in the passage?

　　B)Seven.

　　D)Six.

　　A)a research article.

　　C)a case report.

　　5.Letters to the editor enable readers of a medical journal to express comments on

　　B) articles published in the same issue.

　　D)medical development.