Before the eighteenth century, botany was merely a branch of medicine. Until then, mostly doctors and surgeons studied herbs. Attempts had been made by others to classify plant species into groups, but the breakthrough came with the work of Carl Lin

发表于:2018-12-04 / 阅读(53) / 评论(0) 分类 人教全日制普通高中英语(必修)高三(全一册)

This is the VOA Special English Development Report. Today we bring you a new take on an old tale. It's the story of the three little pigs and the big bad wolf that blew down a house made of straw and one made of sticks. The only house left standing

发表于:2019-01-11 / 阅读(78) / 评论(0) 分类 VOA慢速英语2009年(十)月

Black Muslim leader Malcolm X (El-Hajj Malik El-Shabazz), 26 March 1964, waiting for a press conference at an unknown location One of the foremost, if controversial, figures of the civil rights movement in the United States was Malcolm X. He, himself

发表于:2019-01-13 / 阅读(57) / 评论(0) 分类 VOA标准英语2010年(二月)

By Steve Herman Islamabad 18 March 2008 Every Spring, for the past several years, Pakistan's medical professionals have been establishing treatment camps for sufferers of pollen allergies. VOA Correspondent Steve Herman visited one of the camps, to f

发表于:2019-02-07 / 阅读(113) / 评论(0) 分类 VOA标准英语2008年(三月)

Catnip 猫薄荷是一种草本植物,闻上去非常清凉,是一种可以让猫咪疯狂和开心的植物,所以被广大猫友戏称为猫毒品。猫薄荷,Nepeta cataria,为唇形科荆芥属的植物,茎直立多分枝,茎叶有白

发表于:2019-03-09 / 阅读(122) / 评论(0) 分类 英语听力文摘 English Digest