The service also offers _____ to the pro...journal advertisers.

The format of the reference section varies slightly from journal to journal .

利用PubMed检索“New England journal of Medicine”杂志上刊载的文献，检索策略正确的是（ ）。 A: New England journal of Medicine[Journal] B: New England journal of Medicine[Affiliation] C: New England journal of Medicine[Title] D: New England journal of Medicine[All Fields]

如:我要查找RaoY在Nature 或Science上发表的论文,哪一个检索语言是正确的? A: Rao Y[au] AND (Nature OR Science)[Journal] B: Rao Y[au] AND Nature OR Science[Journal] C: Rao Y[au] AND Nature[Journal] OR Science[Journal] D: Rao Y[au] AND (Nature[Journal] OR Science[Journal])

如：我要查找Shi Y在Nature或Science上发表的论文，规范的检索语言是哪一个？（ ） A: Shi Y[AU] AND Nature OR Science[Journal] B: Shi Y[AU] AND (Nature[Journal] OR Science[Journal]) C: Shi Y[AU] AND Nature[Journal] OR Science[Journal] D: Shi Y[AU] AND (Nature OR Science)[Journal]

quarterly journal

un journal

中国大学MOOC: The type of title capitalization that the journal American Journal of Obstetrics and Gynecology adopts is ________.

博越PRO的产品亮点分为三个维度，分别是（）。 A: 颜值PRO B: 驾乘PRO C: 性能PRO D: 智能PRO

In "pro and con", "pro" means "in favor of".