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词型变化:名词复数形式 : parasitic jaegers

By Efam Dovi Accra 09 February 2007 Former U.S. President Jimmy Carter has called for urgent action to eradicate guinea worm disease in Ghana. Guinea worm is a water-born worm infection that is contracted when people drink water containing the worm's

发表于:2019-01-11 / 阅读(94) / 评论(0) 分类 2007年VOA标准英语(二月)

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

发表于:2019-01-13 / 阅读(84) / 评论(0) 分类 2007年VOA标准英语(六月)

Fish-Sucking Parasite Named After Bob Marley The new species is called Gnathia marleyi, named in honor of the late reggae star, Bob Marley. Lead researcher Paul Sikkel, a marine biologist at Arkansas State University with a passion for Marleys music,

发表于:2019-01-13 / 阅读(49) / 评论(0) 分类 VOA标准英语2012年(七月)

Cheaper, Safer Pill Targets Tropical Parasite Scientists have developed a new version of a drug used to treat leishmaniasis. The new formulation may help better battle this tropical parasitic disease. Leishmaniasis is transmitted by the bite of certa

发表于:2019-01-14 / 阅读(52) / 评论(0) 分类 VOA标准英语2011年(十月)

有人说过:得句型结构得托福阅读。在这篇文章里,托福小编将为大家介绍一些托福阅读句型的结构,考生在进行托福阅读复习时不妨将这些结构方法运用起来,可以加快托福阅读的复习效率

发表于:2019-02-25 / 阅读(54) / 评论(0) 分类 托福英语

一、英语句子结构的原则 1、谓动单一性原则 在一个句子里,有且只有一个谓语动词。 2、主句单一性原则 在一个句子中,有且只有一个主句。(从句可以有若干个) 二、三大从句 1、名词性从句

发表于:2019-03-13 / 阅读(426) / 评论(0) 分类 雅思英语