举一反三
- In Boolean Logic, if one wants to search only for sources relevant with computer virus, the search formula should be_______.
- In a Boolean search, joining two terms with “and” broadens the search .
- In a Boolean search, joining two terms with OR narrows the search. A: 正确 B: 错误
- 2. You can search the _________ on the _________ over there.[音频]
- They went into the forest ____ the lost child. A: search for B: search C: in search of D: in search to
内容
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OVID-medline数据库有哪些检索方式( )。 A: Basic Search B: Search Tools C: Advanced Search D: Search Fields
- 1
欧洲专利局官网,提供以下哪几种检索方式( ) A: Quick search B: Classification search C: Number search D: Advanced search
- 2
Which tools can be used to search patent? A: Espacenet patent search B: WIPO Patentscope C: CNIPA patent search and analysis D: USPTO patent search
- 3
Which one is not mentioned as a way to search your wanted job A: Search the city you want to stay. B: Search the job you want to do. C: Search the salary you expect. D: Search the company you like.
- 4
Which type of search engine presents a list of topics or categories from which you select subtopics until your search is narrowed to a list of Web sites? A: Directory search B: Keyword search C: Metasearch D: Reference search