单词：relative biological effect
单词：relative biological effect 相关文章
本讲为 2006 年下半年新的教学内容，请对照教材、练习册和语法书听录音！ 1. Data from previous animal experiments is used to develop a computer model which will predict what
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relative A husband and wife were driving down the road arguing with each other. They passed a pig farm and the husband said, Are they relatives of yours? Yes， she replied, I married into the family. Notes: 1. A husband and wife were driving down th
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Everyday Grammar: Three Reasons to Learn Relative Adverbs From VOA Learning English, this is Everyday Grammar. In an earlier program, we talked about the relative pronouns who, that, and which. We promised to give you more details about how to use re
2015年VOA慢速英语(九)月
Relative Pronouns In this weeks episode of Everyday Grammar, we are going to discuss the relative pronouns who, that and which. A relative pronoun relates to the noun it is describing. Relative pronouns introduce a relative clause. Think of relative
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Nicotine Enhances Effects of Cocaine A new study from Columbia University highlights the role of tobacco in cocaine addiction. The research indicates that nicotine may be a key gateway drug in a biological as well as a social context. Dr. Amir Levine
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