题目内容

用PubMed的主题词检索心血管疾病(Cardiovascular Diseases)微量元素(trace elements)代谢的有关文献,应采用的检索式为 ( )

A. "Cardiovascular Diseases/metabolism"[Mesh] AND "Trace Elements/metabolism"[Mesh]
B. (( "Cardiovascular Diseases/blood"[Mesh] OR "Cardiovascular Diseases/cerebrospinal fluid"[Mesh] OR "Cardiovascular Diseases/metabolism"[Mesh] OR "Cardiovascular Diseases/urine"[Mesh] )) AND ( "Trace Elements/blood"[Mesh] OR "Trace Elements/cerebrospinal fluid"[Mesh] OR "Trace Elements/deficiency"[Mesh] OR "Trace Elements/metabolism"[Mesh]
C. (( "Cardiovascular Diseases/blood"[Mesh] OR "Cardiovascular Diseases/cerebrospinal fluid"[Mesh] OR "Cardiovascular Diseases/enzymology"[Mesh] OR "Cardiovascular Diseases/metabolism"[Mesh] OR "Cardiovascular Diseases/urine"[Mesh] )) AND ( "Trace Elements/blood"[Mesh] OR "Trace Elements/cerebrospinal fluid"[Mesh] OR "Trace Elements/deficiency"[Mesh] OR "Trace Elements/metabolism"[Mesh] OR "Trace Elements/pharmacokinetics"[Mesh] OR "Trace Elements/urine"[Mesh] )
D. "Cardiovascular Diseases"[Mesh] AND "Trace Elements"[Mesh] )
E. (( "Cardiovascular Diseases/blood"[Mesh] OR "Cardiovascular Diseases/cerebrospinal fluid"[Mesh] OR "Cardiovascular Diseases/enzymology"[Mesh] OR "Cardiovascular Diseases/metabolism"[Mesh] OR "Cardiovascular Diseases/urine"[Mesh] )) AND ( "Trace Elements/blood"[Mesh] OR "Trace Elements/cerebrospinal fluid"[Mesh] OR "Trace Elements/metabolism"[Mesh] OR "Trace Elements/pharmacokinetics"[Mesh] OR "Trace Elements/urine"[Mesh] )

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更多问题

CBM高级检索界面,可选择的字段中不包括的字段为 ( )

A. 中文标题
B. 关键词
C. 主题词
D. 参考文献
E. 摘要

关于CNKI、PubMed和CBM,说法正确的是 ( )

A. 均可免费获取全文
B. 均为全文数据库
C. 均提供主题词检索
D. 均提供检索结果引文分析
E. 均支持逻辑组配检索和精确检索

以下PubMed检索功能中,最具特色的是 ( )

A. 著者检索
B. 期刊检索
C. 截词检索
D. MeSH主题词检索
E. 布尔逻辑检索

表示两个或两个以上检索词必须同时出现在一条检索结果中的运算符是 ( )

A. 逻辑与
B. 逻辑或
C. 逻辑非
D. 截词符
E. 限制符