当检出的文献量过多，其中一部分文献并非真正需要时，可以尝试以下方法缩小检索范围（）
A. 增加用AND连接的检索词。
B. 减少用OR连接的检索词。
C. 选用下位主题词检索。
D. 在原用副主题词的基础上，增加其它副主题词来检索。
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对能力需求计划进行调整，通常有调整能力和调整负荷的方法，下面那种方法是属于调整能力的方法：（）。
A. 撤销订单
B. 修改MRP
C. 延迟交货
D. 加班
In terms of information literacy， an information literate student is able to（）
A. determine the nature and extent of the information needed and access needed information effectively and efficiently.
B. evaluate information and its sources critically and incorporate selected information into his or her knowledge base and value system.
C. use information effectively to accomplish a specific purpose individually or as a member of a group.
D. understand many of the economic，legal，and social issues surrounding the use of information and access and use information ethically and legally.
（）具有中和胃酸的功效。
A. 雷尼替丁
B. 西咪替丁（与雌性激素受体有亲和作用）
C. 两者均是
D. 两者均不是
Management of Information is one of the seven requirements in Global minimum essential requirements（GMER）in medical education， which requires a medical practitioner to be able to（）
A. search，collect，organize and interpret health and biomedical information from different databases and sources.
B. retrieve patient-specific information from a clinical data system.
C. use information and communication technology to assist in diagnostic，therapeutic and preventive measures，and for surveillance and monitoring health status.
D. understand the application and limitations of information technology.
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