[ti:UNIT 2 DNA Lesson 9 What's a Horkey?] [0:01.785]UNIT 2 第二单元 [0:03.616]DNA [0:06.372]You will learn 你将学到 [0:07.998]Functions 功能 [0:09.452] Ability and Inability 能力与无能 [0:12.545]Grammar 语法 [0:13.806] Coordinating C

发表于:2018-12-10 / 阅读(130) / 评论(0) 分类 河北教育初中英语(初中起点)九年级下

1. The first woman to run for US vice president on a major party ticket has died. Geraldine Ferraro was seventy-five. President Barack Obama calls Ferraro a political trailblazer. 2. They're celebrating in a key Libyan city after rebels reclaim contr

发表于:2018-12-15 / 阅读(127) / 评论(0) 分类 美联社新闻一分钟2011(三月)

This is the VOA Special English Agriculture Report. These days, if we hear about two different plants being combined, the first thing we think of might is modern biotechnology. But the low-technology process of grafting remains an extremely important

发表于:2018-12-15 / 阅读(82) / 评论(0) 分类 VOA慢速英语2007年(一)月

The Secret Life of Roots Plant roots are important to life on earth. Roots take in water and nutrients that the plant needs to live and grow. They also help secure plants in dirt to prevent erosion - the breakdown of soil by natural forces. Roots are

发表于:2018-12-16 / 阅读(69) / 评论(0) 分类 2015年VOA慢速英语(九)月

There's another time when I put a garden in this homeless shelter in downtown Los Angeles. 还有一次当我在洛杉矶市中心的一个流浪汉之家安置了一个花园。 These are the guys, they helped me unload the truck. 这些小伙子帮助

发表于:2018-12-18 / 阅读(61) / 评论(0) 分类 TED演讲教育篇

Today you are headed to Europe, South America, Asia and the Middle East. I'm Carl Azuz. This is CNN Student News, your passport to headlines from around the globe. Our first stop is in Hawaii, where an economic conference brings world leaders togethe

发表于:2018-12-20 / 阅读(89) / 评论(0) 分类 CNN2011年(十一)月

Darwin's fabled isles, the Galapagos, are in need of a makeover. And removing invasive species of plants tops the to-do list for the islands restoration. But six species that were set to be exterminated have gotten a reprieve. Because a new study fin

发表于:2018-12-24 / 阅读(105) / 评论(0) 分类 Scientific American(十一)月

We humans are known to help out members of our own families. When it comes to business we call it nepotism. Now plants have demonstrated the same predilection, in a study published in the American Journal of Botany. Previous research showed that plan

发表于:2018-12-24 / 阅读(112) / 评论(0) 分类 Scientific American(十一)月

[00:07.05]The American company Monsanto has announced what it calls a major development in efforts to identify all of the genes found in rice. [00:18.49]It says scientists working in the United States have produced the first plans for a genetic map o

发表于:2018-12-26 / 阅读(87) / 评论(0) 分类 美国英语听力80篇

Idiom: More bang for your buck 物超所值 Hit the book: Increase understanding Describe Treatment Write down Medicinal plant Siberia Elderly Keep alive Ancestor

发表于:2018-12-27 / 阅读(112) / 评论(0) 分类 趣味青春英语

Let us study more closely the way in which a plant grows. The root pushes itself down into the earth. If it finds no water, it soon dies. If it finds water, it begins to suck it up and change it into

发表于:2018-12-30 / 阅读(69) / 评论(0) 分类 自考英语(一)78讲

beet, [bi:t] n 甜菜(其肥大的根和叶子可食用,一般肉质呈红色) 【记】bee蜜蜂。蜜蜂爱吃的菜-一定甜 【参】red beet 红甜菜(用于拌生菜);white beet 白甜菜(用于制糖)

发表于:2018-12-30 / 阅读(65) / 评论(0) 分类 不择手段背单词

JEFFREY BROWN: Now, a big move forward for nuclear power in the U.S. This construction site in eastern Georgia will house the nation's first new commercial nuclear reactors in decades. They're to be built at the Plant Vogtle facility, where two exist

发表于:2018-12-31 / 阅读(56) / 评论(0) 分类 PBS访谈环境系列

A robot entered a damaged reactor at Japan's Fukushima nuclear plant this week to take pictures of the reactor destroyed by an earthquake and tsunami in 2011. The robot, nicknamed 'The Little Sunfish,' is very small about the size of a loaf of bread.

发表于:2019-01-02 / 阅读(94) / 评论(0) 分类 2017年VOA慢速英语(七)月

咖啡的历史

发表于:2019-01-03 / 阅读(82) / 评论(0) 分类 实用英语

Conservationists are overestimating the number of species that have been driven to extinction(消失), scientists have said. A study has found that a third of all mammal species declared extinct in the past few centuries have turned up alive and well

发表于:2019-01-07 / 阅读(68) / 评论(0) 分类 英语新闻

This is Scentific American's 60-Second Science, I'm Steve Mirsky, got a minute? At Point Reyes National Seashore in Marin County, California, a plant called Tidestroms lupine is holding on for dear life. Its survival has been threatened by the appear

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 Scientific American(八)月

Plants that use animals to disperse their seeds can find themselves in a pickle: They need to make fruit tasty enough to entice the local fauna, but they also need to make sure that their animal asssistants don't digest the very seeds that are meant

发表于:2019-01-08 / 阅读(95) / 评论(0) 分类 Scientific American(六)月

Sorry,thereisnottexttemporarily,Pleasehelptingroomtolookforit! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thankyou !

发表于:2019-01-09 / 阅读(211) / 评论(0) 分类 新课标小学英语阅读100篇

Next time youre found, with your chin on the ground There a lot to be learned, so look around Just what makes that little old ant Think hell move that rubber tree plant Anyone knows an ant, cant Move a rubber tree plant But hes got high hopes, hes go

发表于:2019-01-10 / 阅读(70) / 评论(0) 分类 奥斯卡最佳英文歌曲