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新东方优美背诵短文50篇 Unit40:Cohesion-tension Theory

40 Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ni

发表于:2018-11-28 / 阅读(305) / 评论(0) 分类 新概念优美背诵短文50篇

VOA标准英语2012--Human Impact Muffles Mother Nature's Voice

Human Impact Muffles Mother Nature's Voice Whether it's the driving rain in a tropical storm, the scream of a mountain gorilla or the jolt of a snow mobile engine against the winter silence, Krause has recorded it all. In his new book, The Great Anim

发表于:2019-01-13 / 阅读(96) / 评论(0) 分类 VOA标准英语2012年(八月)

美国国家公共电台 NPR Coal Country: EPA Plan Is Short Term Boost, No Solution For Industry Decline

DAVID GREENE, HOST: The Trump administration's rollback of coal plant regulations last week has renewed hopes for those in the industry that some plants might stay open a little longer. The share of coal in the country's energy mix has dropped dramat

发表于:2019-01-17 / 阅读(111) / 评论(0) 分类 2018年NPR美国国家公共电台8月

2007年VOA标准英语-Sudanese Government Holds Talks on Darfur Peace

By Katy Migiro Nairobi 11 June 2007 Sudananese officials are discussing the deployment of a peacekeeping force in the troubled Darfur region with United Nations and African Union representatives in the Ethiopian capital, Addis Ababa. Katy Migiro repo

发表于:2019-01-18 / 阅读(116) / 评论(0) 分类 2007年VOA标准英语（六月）
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