单词：parasitic capture
单词：parasitic capture 相关文章
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
2007年VOA标准英语（六月）
By Al Pessin Pentagon 14 March 2008 The U.S. Defense Department announced Friday that it has taken custody of a senior al-Qaida official, who is now being held at the detention center at Guantanamo Bay, Cuba. VOA's Al Pessin reports from the Pentagon
VOA标准英语2008年（三月）
By Tom Rivers London 05 October 2009 Three U.S.-based scientists have won the 2009 Nobel prize for medicine for their discovery into how chromosomes are copied and protected. The work casts important light on cancer and the aging process. . Elizabet
VOA标准英语2009年(十月)
Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele
VOA标准英语2010年(一月)
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
托福英语