Open Access

在Elsevier ScienceDirect数据库的检索中，检索关于“开放获取”方面的文献，以下哪种检索式查全率最高？（ ） A: Title =open access B: Title ={open access} C: Abstract = open access D: Title = open accessorAbstract = access

能提供在线视频课程学习的是() A: OA(Open Access) B: OPAC(Open Public Access Catalogue) C: MOOC(Massive Online Open Courses) D: CALIS (China Academic Library & Information System)

•A MOOC ( massive open online course)is an online course aimed at unlimited participation and open access via theweb.

关于OPAC的正确表述是 。 A: Open Public Address Catalogue B: On-line Public Access Catalogue C: Open Professional Access Catalogue D: On-line Person Address Catalogue

What is the major structure of the following sentence?A Mooc is an online course aimed at unlimited participation and open access via the web. A: A Mooc is an online course. B: A Mooc aimed at participation and access C: A Mooc is an unlimited participation. D: A Mooc is open access via the web.

​A _________ is an online course aimed at unlimited participation and open access via the web.‎ A: Magnificent Open Online Course B: Magnificent Online Open Course C: Massive Open Online Course D: Massive Online Open Course

‍关于OPAC最新定义，正确表述是：（ ）。‍ A: On-line Public Access Catalogue B: Open Public Address Catalogue C: Open Professional Access Catalogue D: On-line Person Address Catalogue

Publishing in open-access journals could be low in cost.

国外开放存取数据库系统包括（open access libr...gh wire press）和（