Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod

发表于:2018-12-07 / 阅读(47) / 评论(0) 分类 (科普英语)Earth and Sky

Each year, millions of people visit the 4,570-meter-high Baishui Glacier in southern China. Scientists say it is one of the worlds fastest-melting glaciers. The huge body of ice is in the southeastern edge of a Central Asian region called the Third P

发表于:2018-12-08 / 阅读(50) / 评论(0) 分类 2018年VOA慢速英语(十)月

Unit 9 [00:54.62]Sharing [00:57.86]The children played at Peter's flat last Sunday. [01:04.42]At 4 o'clock they were hungry.They wanted some food. [01:11.78]'We can put all our money together and then share it,'Annie said. [01:19.65]'No,we can spend

发表于:2018-12-13 / 阅读(134) / 评论(0) 分类 小学综合英语4A

ENVIRONMENT REPORT - November 15, 2002: Snow Melting on Mount Kilimanjaro By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. A new study says ancient snow on top of Mount Kilimanjaro

发表于:2019-01-02 / 阅读(56) / 评论(0) 分类 健康与环境

By Paul Sisco Washington, DC 24 May 2006 watch Melting Poles report NASA scientists, working with 10 years of satellite data, find a dramatic thinning of ice around the edges of Greenland, and Antarctica too. satellite view of earth Using satellite

发表于:2019-01-06 / 阅读(98) / 评论(0) 分类 2006年VOA标准英语(五月)

八、不定式的被动形式 当不定式的逻辑主语是动作的承受者时,这个不定式要用被动式,包括它的一般式和完成式 36) Here we found little snow, as most of it seemed blown off the mountain. [A]to have been[B]to b

发表于:2019-02-01 / 阅读(45) / 评论(0) 分类 英文语法词汇