THE PROPERTIES OF WATER Earth is an ocean planet. About three billion years ago, life on our planet began in the deep blue seas. Ninety-nine percent of the living space on earth is in the oceans. Marine life is incredibly rich and varied. There are

发表于:2018-12-04 / 阅读(61) / 评论(0) 分类 人教高中英语高二

CHAPTER 9 Who Needs a Friend? The Alden family did not stay dumb for long. Tuesday Benny said, Lets see if we can find out where Captain Snow lives. Just step down to the store, said Henry, laughing. Everyone laughed. Wait just a minute until we fini

发表于:2018-12-06 / 阅读(74) / 评论(0) 分类 8 灯塔之谜 The Lighthouse Mystery

CHAPTER 8 From the South Seas I have an idea for today, said Mr. Alden at breakfast on Monday. See this paper, Henry? In Ashland, the next town, ships come in from all over the world. From Blue Bay? shouted Benny. Well, you are right, said Grandfathe

发表于:2018-12-06 / 阅读(90) / 评论(0) 分类 8 灯塔之谜 The Lighthouse Mystery

[00:34.32]Please keep your hands inside the car! 请勿把头和手伸出车窗外 [00:58.96]Tony, one large, extra plankton! 汤尼,来一份海藻披萨 [00:59.24]We have so litle time. They'll be here any minute. 时间不多,他们就快到了

发表于:2018-12-07 / 阅读(113) / 评论(0) 分类 听电影学英语-楚门的世界

They make perfect roof tiles, but these tiles occasionally reveal something extraordinary. Perfect snapshot s from 115 million years ago, back then, Solnhofen was part of a very still and salty tropic

发表于:2018-12-07 / 阅读(60) / 评论(0) 分类 欧洲自然写真

The microscope. In their course of their professional work, scientists often take photos of microscopic objects. And often, the resulting images can be quite beautiful. For thirty years, Nikon, the camera company has held an annual competition to sel

发表于:2018-12-11 / 阅读(49) / 评论(0) 分类 万花筒2008年

Some are little more than rocks, others substantial mountains, covered in woodland. The first British person to see that was captain Cook, who stood here in 1770, and for the first time, realized the scale of the Great Barrier Reef. He also realized

发表于:2018-12-26 / 阅读(56) / 评论(0) 分类 自然百科2014年

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(75) / 评论(0) 分类 VOA2004(下)--新闻盘点

The Properties Of Water Earth is an ocean planet.About three billion years ago,life on our planet began in the deep blue seas.Ninety-nine percent of the living space on earth is in the oceans.Marine life is incredibly rich and varied. There

发表于:2019-01-09 / 阅读(230) / 评论(0) 分类 高中英语听力人教版第二册

This is the VOA Special English Agriculture Report. People in a community on the Pacific coast in Southern California awoke last week to a sea of dead fish. About eight hundred fifty sailboats and powerboats come and go from the marina at King Harbor

发表于:2019-01-12 / 阅读(110) / 评论(0) 分类 2011年VOA慢速英语(三)月

Satellites Study Weather Conditions, Predict Diseases 气象卫星研究天气变化可预测疾病 Meningitis is spreading across West Africa. The brain disease is a threat every year across 21 African countries. Health officials call this area, the

发表于:2019-01-12 / 阅读(44) / 评论(0) 分类 2015年VOA慢速英语(五)月

ROBERT SIEGEL, HOST: Adam Frank usually has his head in the sky. He's an astrophysicist. It's an occupational hazard. Right now, though, he is dazzled by the universe of green right here on Earth. ADAM FRANK, BYLINE: Now that we're well past the star

发表于:2019-01-17 / 阅读(54) / 评论(0) 分类 2017年NPR美国国家公共电台6月

And how, you may reasonably wonder, can scientists know what oxygen levels were like hundreds of millions of years ago? 你也许有理由想知道,科学家们怎么会知道几亿年以前的氧气浓度? The answer lies in a slightly obscure b

发表于:2019-01-17 / 阅读(90) / 评论(0) 分类 万物简史

And are we alone?. 二是我们是否唯一。 Those 2 deep questions drive us all through our whole lives. 这两个深刻问题伴随着我们的整个生命。 And to answer those 2 questions. 要回答这两个问题。 we have to continue to exp

发表于:2019-01-25 / 阅读(57) / 评论(0) 分类 公众人物毕业演讲

By Phil Mercer Sydney 20 February 2008 Scientists say they have taken an array of new marine species from the seabed off eastern Antarctica. They are warning, though, that climate change could soon make extinct many of the strange creatures they have

发表于:2019-02-06 / 阅读(90) / 评论(0) 分类 VOA常速英语2008年(二月)

托福语法讲解:简单句

发表于:2019-02-07 / 阅读(56) / 评论(0) 分类 英文语法词汇

2006职称英语考试模全真拟试题理工类C级(二) 第一部分:词汇选择(第1-15题,每题1分,共15分) 下面共有15句子,每个句子均有一个词或短语划有底横

发表于:2019-02-07 / 阅读(95) / 评论(0) 分类 实用英语

U.S has acknowledged that IS militants??recent capture of the city??of Ramadi in Iraq and Palmyra in Syria??represent??a setback??,but President Obama said US and its allies were not losing the war. The BBC North America? ?editor John solo says the a

发表于:2019-02-13 / 阅读(39) / 评论(0) 分类 英语听力精选进阶版

The KT meteor had the additional advantage advantage if you are a mammal, that is that it landed in a shallow sea just ten meters deep, KT陨石还有一个优势那就是说,要是你是个哺乳动物的话,那是个优势它在只有10米深的浅

发表于:2019-02-17 / 阅读(64) / 评论(0) 分类 万物简史

Plankton Scattered through the seas of the world are billions of tons of small plants and animals called plankton. Most of these plants and animals are too small for the human eye to see. They drift about lazily with the currents, providing a basic f

发表于:2019-02-25 / 阅读(62) / 评论(0) 分类 双语有声阅读