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【单选题】
主题词是用来提示商务行政公文主体内容的词或词组。发文机关应引用《国务院公文主题词表》中规定的 ( )类1048个主题词,便于检索。主题词-般不超过5个。
A.
16
B.
15
C.
14
D.
12
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【多选题】利用 PubMed 主题词检索出, 2012-2017 年有关多发性硬化症( Multiple Sclerosis )药物治疗的语种为 Chinese 的综述类文献若干,包括下列哪些文献?
A.
Research progress of the selective sphingosine-1-phosphate receptor 1 agonists
B.
Systematic review and meta-analysis of randomized controlled trials of Chinese herbal medicine in treatment of multiple sclerosis
C.
Equivalence of glatiramer acetate products: challenges in assessing pharmaceutical equivalence and critical clinical performance attributes
D.
Ocrelizumab: A New B-cell Therapy for Relapsing Remitting and Primary Progressive Multiple Sclerosis. Ann Pharmacother
E.
Multiple sclerosis, a treatable disease