单词:artic pole
单词:artic pole 相关文章
By Parke Brewer The women's pole vault provided one of the stirring dramas of the 2004 Olympic track and field competition. Until the mid 1990s, women's pole vault was not taken very seriously, mainly
What's a Participle? Before we talk about what it means to dangle a participle, we have to answer the question What is a participle? A participle is a verb that acts like an adjective. The present participle form of a verb usually ends with ing. For
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By Carol Pearson Washington, D.C. 26 June 2007 Smallpox was the first infectious disease ever to be eradicated worldwide. But now, thanks to a two-decade campaign, guinea worm disease is about to be eradicated as well. Unlike smallpox, guinea worm di
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