This is Scientific Americans 60-SecondScience, Im Christopher Intagliata. Got a minute? Historians have speculated for years thatglobal environmental changes caused some ancient wars to erupt, or evensocieties to collapse. Such connections may still

发表于:2018-12-24 / 阅读(49) / 评论(0) 分类 Scientific American(八)月

Listen this way听力教程第三册-3

发表于:2018-12-27 / 阅读(147) / 评论(0) 分类 Listen this way听力教程

Uint7 II. Basic Listening Practice 1.Script M: Now we have satellite and high-powered microscope, its easy to think we know everything about the world; but we still dont understand EI Nino. W: Right. Scientists all over the world over are even uncert

发表于:2018-12-29 / 阅读(62) / 评论(0) 分类 新视野大学英语:视听说教程 3

By Andrea Niem Some meteorologists warn that a weather pattern known as El Nino may reemerge in the next few months, raising concerns of drought in Southeast Asia and Australia, and flooding in parts

发表于:2019-01-04 / 阅读(50) / 评论(0) 分类 VOA2004(下)--新闻盘点

Experts: El Nino Could Be the Strongest on Record 专家:今年厄尔尼诺现象或是史上最强 Weather experts say this year could be one of the strongest El Nino events in recorded history. Experts say El Nino could mean severe weather conditio

发表于:2019-01-12 / 阅读(36) / 评论(0) 分类 2015年VOA慢速英语(十一)月

ROME, June 6 (Xinhua) -- Newly-promoted Serie A side Siena named Giuseppe Sannino as their new coach on Monday replacing new Juventus handler Antonio Conte. The 54-year-old was given a warm welcome by club president Massimo Mezzaroma despite of no co

发表于:2019-02-26 / 阅读(97) / 评论(0) 分类 英语新闻