This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. In the spring of 1912 an iceberg in the Atlantic took down the Titanic. Now, some humble bacteria are trying to finish the job. Scientists analyzing rust f

发表于:2018-12-24 / 阅读(67) / 评论(0) 分类 Scientific American(十二)月

I caught you crying Trying to hide your tears away And all the while I never knew you felt this way I've loved you from the start How could we let this come apart? We've got to put The sun back in our hearts Through the alleyways The avenues ans dre

发表于:2019-01-11 / 阅读(123) / 评论(0) 分类 音乐咖啡厅

SCIENCE IN THE NEWS - Discovery That Stored Blood Loses a Life-Saving Gas Could Solve Mystery By Lawan Davis, Soo Jee Han and Caty Weaver / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm S

发表于:2019-01-11 / 阅读(81) / 评论(0) 分类 VOA慢速英语2007年(十一)月

China's iron ore manufacturers say they're struggling to keep their businesses afloat because of high costs and taxes while production is on the rise for the sector's global giants. Brazil's Vale SA is the world's largest iron ore producer and it say

发表于:2019-02-03 / 阅读(82) / 评论(0) 分类 cctv9英语新闻2015年

By CCTV reporter Ning Hong Efforts to reduce air pollution in China seem to be accelerating. In a coordinated action on Sunday, local authorities pulled down facilities in three cities in Hebei Province, a main center of iron and steel manufacturing.

发表于:2019-02-04 / 阅读(45) / 评论(0) 分类 CCTV9英语新闻2013年11月

托福听力中细节题目庞杂,转折、对比、问答、强调、解释等等,整个听力过程中都需要高度戒备,以防掉入ETS挖的陷阱中去。本文就且集中探讨一下细节题中常见的一类:举例细节题。 首先

发表于:2019-02-13 / 阅读(35) / 评论(0) 分类 托福英语