标签：寄生虫分布图 相关文章
人类的许多药材资源都来自于植物，而根据种种事例显示，人类并非植物药材的唯一受益物种，许多动物也会寻找特定的植物来治疗自身伤病。 Infected monarch butterflies will lay their eggs on plants t
60秒科学
- 32 - palm n.手掌,掌状物,棕榈vt.与握手,藏于掌中 pamphlet n.小册子 panel n.面,板;控制板,仪表盘;专门小组 panic n./a.恐慌(的),惊慌(的) vt.使惊慌,使害怕 panorama n.全景,全景画,全景摄影,全景照片[装置] pant n.喘气 v.喘,气喘吁吁地说 paperback n.平装本，简
俞敏洪07年考研英语词汇
Does Bacon Stop Nosebleeds? Time to go the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive heard that pork can be used to stop a nosebleed. Is this true, or just a myth? Well, there are lots of anecdotal stories about do
英语听力文摘 English Digest
By Paige Kollock Washington, DC 20 January 2006 watch Malaria Treatments report The World Health Organization says the most effective cure for malaria could be in jeopardy, unless their new prescripti
2006年VOA标准英语（一月）
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
2007年VOA标准英语（二月）
By Jessica Berman Washington 19 March 2007 Transgenic mosquito Scientists say they are a step closer to showing that it may be possible to genetically alter mosquitoes to control malaria, a disease that kills more than a million people in developing
2007年VOA标准英语（三月）
An international medical aid group says the number of people dying from malaria could be dramatically reduced by providing free testing and treatment. The group made the announcement based on three successful programs in Africa where most malaria de
VOA标准英语2008年（十月）