题目内容
PubMed支持的检索规则包括以下哪些？
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在PUBMED里“[AD]”是表示作者这个字段。
在PUBMED里布尔逻辑符可以大写也可以小写。
Complete the following sentences with the words given below. Change the form if necessary.precious, descendant, fortune, moral(1) American blacks are said to be the ____________ of African slaves.(2) He received a large ________ when his uncle died.(3) If you lose other people’s trust, you’ll lose something ________, something you may hardly get back.(4) _________ beauty ought to be ranked above all other beauty.
Add the prefix “well-” to the words given below. Then complete the following sentences with the words thus formed.educated, informed, meant, dressed, chosen(1) Employers say they are more likely to promote (晋升) __________________ workers.(2) Books, like friends, should be few and _______________.(3) If you say that someone is _________________, you mean that they know a lot about something.(4) The decision spoiled ( 毁掉) the peace talk, though it was ______________.(5) He seems like a charming guy who is very ________________.
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