Researchers Announce Discovery of Early Human Ancestor 研究人员称发现人类早期祖先化石 A group of scientists announced Thursday what they say is the discovery of remains from an early ancestor of human beings. 周三,一个科学家小组

发表于:2019-01-12 / 阅读(55) / 评论(0) 分类 2015年VOA慢速英语(九)月

AS IT IS 2015-03-16 Fighting for Lions in Zimbabwe 在津巴布韦为更好的保护狮子而努力 Conservationists are breeding lions in the Southern African nation of Zimbabwe. The wildlife experts hope to increase the lion population to keep the

发表于:2019-01-12 / 阅读(50) / 评论(0) 分类 2015年VOA慢速英语(三)月

AS IT IS 2016-05-31 Indias Taj Mahal Has Insect Problem 印度泰姬陵面临昆虫粪便威胁 Indias world-famous Taj Mahal is facing a new threat: insect poop. The Yamuna River flows around the Taj Mahal, and the river is heavily polluted. Large n

发表于:2019-01-12 / 阅读(53) / 评论(0) 分类 2016年VOA慢速英语(六)月

Cameras Capture Pictures of Mysterious Bush Dog 科学家拍摄到神秘动物薮犬图片 Scientists say they have captured photographs of one of the most mysterious known animals: bush dogs. 科学家称捕捉到最神秘动物薮犬的图片。 Bu

发表于:2019-01-12 / 阅读(68) / 评论(0) 分类 2016年VOA慢速英语(二)月

Study Shows Climate Change Is Affecting Bird Migration 研究表明气候变化影响鸟类迁徙 Recently, a small group of birdwatchers spent three weeks around Mount Vernon, the home of the first president of the United States, George Washington.

发表于:2019-01-12 / 阅读(57) / 评论(0) 分类 2015年VOA慢速英语(一)月

Fish-Sucking Parasite Named After Bob Marley The new species is called Gnathia marleyi, named in honor of the late reggae star, Bob Marley. Lead researcher Paul Sikkel, a marine biologist at Arkansas State University with a passion for Marleys music,

发表于:2019-01-13 / 阅读(90) / 评论(0) 分类 VOA标准英语2012年(七月)

Snakehead Fish Fair Game for Anglers On any given sunny weekend, the snakehead is the regions most wanted fish. An 18-hour competition put more than 600 kilograms of these toothy monsters on ice. Fishermen like Mike McDermott and Teddy McKenzie say t

发表于:2019-01-13 / 阅读(88) / 评论(0) 分类 VOA标准英语2012年(六月)

Studies: How Whales, Fish Might Adapt To Warming Ocean Two new science studies provide a glimpse of how some important Pacific Ocean sea creatures could adapt to a changing climate. One study describes how gray whales successfully adapted to previous

发表于:2019-01-14 / 阅读(92) / 评论(0) 分类 VOA标准英语2011年(八月)

墨西哥建造伽马射线天文台即将开放 Ebola has claimed the lives of more than 10,000 people in West Africa. Since last summer, researchers have rushed to get anti-Ebola vaccines into clinical trials. While it's too early to say that any o

发表于:2019-01-14 / 阅读(55) / 评论(0) 分类 VOA标准英语2015年(八月)

Review Four.For this lesson,you'll need a pencil and a piece of paper. Listen to the radio announcer as he tells us about something interesting to do this weekend. Are you looking for something fun to do with the whole family? Why not make a visit to

发表于:2019-01-20 / 阅读(60) / 评论(0) 分类 洪恩环境英语

This week on Why? Tell Me Why! We are answering a viewer question as to why lightning bugs light up. Lightning bugs light up basically to find a mate. Its a way that lightning bugs communicate with each other, to call each other together, because som

发表于:2019-01-22 / 阅读(80) / 评论(0) 分类 自然百科2009年

This menacing-looking squid is just one of many species out of sight and out of mind that could be threatened by human activities far away from the part of the ocean in which they live. The Monterey Bay Aquarium Research Institute has released this v

发表于:2019-01-22 / 阅读(59) / 评论(0) 分类 自然百科2010年

Back in Los Angeles, Luiss team are working on the bones that were dug up in Utah. The next step in turning them into an exhibition is to work out exactly what they are. And this is where the fossil bones end up, and here the preparateurs continue th

发表于:2019-01-23 / 阅读(67) / 评论(0) 分类 探索与发现2012年

Butterfly Shows Speciation Sign A study in the journal Science looks at Heliconius butterflies in Ecuador, in which a single gene change that influences mate choice may be the first step in the splitting of the population into two species. Cynthia Gr

发表于:2019-01-30 / 阅读(196) / 评论(0) 分类 60秒科学

藻类Algae 两栖动物Amphibians 动物习性Animalbehaviour 动物资源Animalresources 节肢动物Arthropods 生物多样性Biologicaldiversity 生物资源Biologicalresources 生物圈保护区Bi

发表于:2019-02-02 / 阅读(101) / 评论(0) 分类 英文语法词汇

? 问法一般是:why does the author mention X?? in order to .细节题的提问方式多半是:what而这种题目多半是问why。 ??????? 新TOEFL阅读这种题目不是每篇文章都考的分为如下几类??????? 一、例子题,一般占

发表于:2019-02-05 / 阅读(64) / 评论(0) 分类 托福英语

台湾籍旅美老师今天交给我们的句子是: Drunken mistakes aren't the only office hazards. There isn't just one species of creep, there's a whole spectrum. 酒后乱性不是办公室唯一的风险。也不是只有一种怪人,而是有

发表于:2019-02-14 / 阅读(51) / 评论(0) 分类 留美老师带你每日说英文

【英文原文】 Most people believe that regular hand-washing is the best way to prevent infections. And theyre right: hand-washing does prevent certain infections, but too much washing can actually help some infections along. Whats going on? Righ

发表于:2019-02-16 / 阅读(71) / 评论(0) 分类 英语听力广播—Listening

Two points need to be kept in mind. 我们需要记住两点。 First, these are all just informed guesses. 第一、这些都仅仅是根据资料作出的推测。 Estimates for the number of animal species alive at the end of the Permian range fro

发表于:2019-02-17 / 阅读(48) / 评论(0) 分类 万物简史

Earth has seen five major extinction episodes in its time the Ordovician, Devonian, Permian, Triassic, and Cretaceous, in that order and many smaller ones. 地球已经目睹了5次大的灭绝事件依次在奥陶纪、泥盆纪、二叠纪、三叠纪

发表于:2019-02-17 / 阅读(61) / 评论(0) 分类 万物简史