SCIENCE IN THE NEWS - September 17, 2002: Ginkgo as Memory Aid Disputed / New Findings About Deadly Skin Cancer / Hair and Sex Lives of Lions VOICE ONE: This is Sarah Long. VOICE TWO: And this is Stev

发表于:2019-01-07 / 阅读(47) / 评论(0) 分类 科技之光

By Claudia Blume Hong Kong 05 January 2006 Scientists in Australia have discovered a stem cell that is expected to provide clues about how breast cancer develops, and how cancer cells evade current th

发表于:2019-01-11 / 阅读(96) / 评论(0) 分类 2006年VOA标准英语(一月)

Im Doug Johnson. Today we tell about the first woman chief of the Cherokee Nation, Wilma Mankiller, who died earlier this week. We also answer a question about the great American writer Ernest Hemingway. And we play music by a young jazz musician Esp

发表于:2019-01-12 / 阅读(41) / 评论(0) 分类 2010年VOA慢速英语(四)月

Sicience and technology 科学和技术 Cancer and obesity 癌症与肥胖 Malignant flab 恶性松弛 At last, an understanding of how overeating causes cancer 吃得过多如何导致癌症 OVERWEIGHT women are more likely to develop breast cancer

发表于:2019-01-26 / 阅读(49) / 评论(0) 分类 经济学人科技系列

HEALTH REPORT - September 4, 2002: Melanoma Research By Nancy Steinbach (Photo - U.S. National Cancer Institute) This is the VOA Special English Health Report. Scientists have discovered a genetic cha

发表于:2019-01-29 / 阅读(60) / 评论(0) 分类 健康与环境

新托福口语的阅读材料不长,但题材广泛,而考生的知识又受限于自己所学的专业,不可能面面俱到。这样,当遇到材料的内容非常陌生时,尽管表面上看没有生词,也难免会出现读不懂的现

发表于:2019-03-13 / 阅读(109) / 评论(0) 分类 托福英语