更多“邮寄询问法的优点是( )。”相关的问题
CR400AF动车组前组合灯电气部分主要包括：（）及电缆附件组成。
A.灯泡
B.镇流器
C.透镜
D.电源
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1944年，国际劳工组织通过的《医疗建议书》呼吁各国政府对公民实行“综合的、普遍的健康保护”，即所谓的（）。
A.“社会医疗服务” B.“国家医疗服务” C.“企业医疗服务” D.“社区医疗服务”
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治疗耐青霉素G的金黄色葡萄球菌败血症，可首选（）
A.苯唑青霉紊 B.氨苄青霉素 C.羧苄青霉素 D.邻氯青霉素 E.红霉素
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Medical JournalsMedical 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 publish 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 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.The main readers of medical journals areA．the general public.B．health professionals.C．medical critics.D．news reporters.
A.InB.MedicalC.TheD.theE.B．healthF.C．medicalG.D．news
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立党为公、执政为民是中国共产党宗旨的根本体现。
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The workers are practicing______a new song for the coming evening party of the New Year’s Eve.
A．to singB．to be singingC．being sungD．singing
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零售客户开展网上订货的条件包括：电脑、网络、（）以及网上订货意愿。
A . 技术支持
B . 社会支持
C . 人员能力
D . 其他辅助设备
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手工流水线插装元器件时，每个工序插装大约（）个元器件。
A.30
B.10-15
C.50
D.30-40
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布鲁纳主张教学的最终目标是( )。
A．促进学习的迁移
B．促进智慧的发展
C．掌握整个学科的具体内容
D．促进对学科结构的理解
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对射式光电开关，它的最大检测距离为（）。
A.0.5m
B.1m
C.几米至几十米
D.无限制
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具有清肺止咳功效的利水渗湿药物是（）
A.海金沙
B.石韦
C.冬葵子
D.灯心草
E.赤小豆
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步进电机按励磁方式分为：反应式（也称为变磁阻式）和（）。
A.他励式
B.多暗式
C.单断殖
D.感应式和永磁式
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国子学创设于（）
A.汉朝
B.东晋
C.西晋
D.南北朝
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滚子链传动设计,链条的节数宜取偶数,链轮齿数宜取( )数,这样可以使磨损均匀。
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