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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(38) / 评论(0) 分类 人教高中英语高二

With the current heat wave gripping many parts of China, people in some of the worst-affected cities of Shanghai and Hangzhou are scrambling to try to find ways to 'beat the heat.' CRI's Liu Min has more. August 7th was the date marking the beginning

发表于:2018-12-19 / 阅读(40) / 评论(0) 分类 世界各地新闻集锦

This is Scientific American-60 Second Science. I am Christopher Intagliata. Gotta a minute? Hair helps keep you warm, right? But hair can also keep you cooler than bare skin, as long as the hair is not too thick. So says a study in a journal-Plus O

发表于:2019-01-08 / 阅读(42) / 评论(0) 分类 Scientific American(十)月

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(180) / 评论(0) 分类 高中英语听力人教版第二册

By Gary Thomas Washington 14 December 2006 Iranian woman, wearing the traditional Islamic black veil, looks at campaign posters of female candidate Masoumeh Kolahi, in Tehran, 13 Dec 2006 Iranians are to vote Friday in elections for local government

发表于:2019-01-31 / 阅读(128) / 评论(0) 分类 2006年VOA标准英语(十二月)

Oceans are the real powerhouse of the planet's surface behavior. 海洋是地球表面活动的真正动力源泉。 Indeed, meteorologists increasingly treat oceans and atmosphere as a single system, which is why we must give them a little of our at

发表于:2019-02-25 / 阅读(52) / 评论(0) 分类 万物简史