新东方优美背诵短文50篇 Unit27:Scientific Theories

27. Scientific Theories In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produced. A good example of thi

VOA慢速英语2014 Scientists Identify Remains of Bird-Like Dinosaur in North America 科学家北美发现似鸟恐龙的遗迹

Scientists Identify Remains of Bird-Like Dinosaur in North America 科学家北美发现似鸟恐龙的遗迹 From VOA Learning English, this is Science in the News. Im Anna Matteo. And Im Christopher Cruise. Today on the program, we tell about some

VOA常速英语2014--科学家研发降低碳排放街灯照明

Better Street Lighting Lowers Carbon Emission 科学家研发降低碳排放街灯照明 A United Nations panel on climate change says global warming is causing extreme weather all over the world and is calling on governments to come up with new idea

VOA常速英语2015--科学家们尝试不同的方式拯救犀牛

Scientists Test Different Ways for Saving Rhinos 科学家们尝试不同的方式拯救犀牛 The African rhino is a seriously endangered species and one subspecies, the northern white rhinoceros, is on the brink of extinction. After the recent deat

VOA标准英语2014--科学家寻求超级大豆以帮助全球粮食短缺

Scientists Seek Super Soybean to Help Global Food Shortage 科学家寻求超级大豆以帮助全球粮食短缺 LOS ANGELES According to the United Nations, the worlds population will increase by 34 percent by the middle of the century. Global food

科学美国人60秒 SSS 坏音频会伤害科学家的可信度

Bad Audio Can Hurt a Scientist's Credibility In the era of fake news, it's worth remembering: the medium is the message. For example: psychological studies have shown that text that's hard to read is more likely to be deemed untrue. Now a study sugge

VOA标准英语2015--英国科学家开发廉价可调眼镜

UK Scientists Develop Cheap Adjustable Glasses 英国科学家开发廉价可调眼镜 Ninety-five percent of people in Sub-Saharan Africa who need glasses don't own a pair, according to the Britain-based charity foundation Vision for a Nation. Its f

VOA标准英语2014--科学家创造与人类共同生活的机器人

Scientists Build Robots to Live With Humans 科学家创造与人类共同生活的机器人 Industrial robots are already working in many factories around the world and in our homes, for instance as smart vacuum cleaners. Scientists say in a few yea

VOA标准英语2015--科学家分析现代网球技术中的滑动

Scientists Analyze Modern Tennis Technique of Sliding 科学家分析现代网球技术中的滑动 Sliding to return a shot is a common tennis practice on clay courts, but lately players have started using it on grass and hard courts as well. Scient

VOA常速英语2015--科学家们创造可触摸的虚拟影像

Scientists Create 'Touchable' Virtual Objects 科学家们创造可触摸的虚拟影像 Technology is already capable of tricking most of our senses ... laser holography can create three-dimensional images where nothing exists, stereo sound can surr

VOA常速英语2015--科学家开发通用抗毒剂对付毒蛇

Scientists Work to Develop Anti-Venom Against All Sub-Saharan Snakes 科学家开发通用抗毒剂对付毒蛇 Thousands of people in sub-Saharan Africa die or are disabled each year due to poisonous snake bites. Scientists in Britain are working to

VOA常速英语2015--科学家发明无动力助行走设备

Scientists Develop Motor-free Device That Eases Walking Strain 科学家发明无动力助行走设备 Devices that help people walk were once thought to be impossible to design without some kind of auxiliary power. But U.S. scientists at Carnegie Me

VOA标准英语2015--无人机帮助科学家发现澳大利亚濒危的考拉

Drones Help Scientists Spot Australia's Endangered Koalas 无人机帮助科学家发现澳大利亚濒危的考拉 Small endangered animals are often hard to find in their natural habitats, making it difficult for scientists to monitor them and deve

VOA常速英语2015--科学家研制出可伸缩触感材料人造皮肤

科学家研制出可伸缩触感材料人造皮肤 Artificial robotic hands are getting increasingly better at emulating human hands and the most advanced can even be controlled by thoughts. 人工机械手臂在模仿人手方面正越发完美而且

VOA标准英语2015--科学家致力于提高风力发电的效率

Scientists Aim to Boost Efficiency of Wind Farms 科学家致力于提高风力发电的效率 Modern wind turbines usually operate in groups or so-called wind farms, some of them with more than 100 turbines. But the air turbulence they create decrea

VOA常速英语2014--Scientists Decode Tsetse Fly Genome 科学家解密采采蝇基因序列

Scientists Decode Tsetse Fly Genome 科学家解密采采蝇基因序列 Scientists have mapped the genetic code of the tsetse fly, the insect responsible for African sleeping sickness. They said the findings could lead to better repellents and contr

VOA常速英语2013--南非科学家发现首个彗星曾撞击地球的证据

S. African Scientists Claim Discovery of First Comet Strike 南非科学家发现首个彗星曾撞击地球的证据 JOHANNESBURG South African researchers say they have found conclusive evidence of earth's first-ever known comet strike, about 28 mi

VOA标准英语2013--科学家确定气候变化95%是人为的原因

Scientists 95% Certain Climate Change Is Man-made 科学家确定气候变化95%是人为的原因 Scientists are more certain than ever that the planet is warming and that humans are to blame. 科学家们比以往任何时候都更加肯定我们的地

CCTV9英语新闻：中国工程师恢复中国中尼公路

Rescue instruments are seen on a road near the Nepal-China border on May 4, 2015. At Nepal's request, a rescue team from China's Armed Police Force arrived in the country on Sunday from Zham Town, which lies near the Nepal-China border, to help repai

英语听力文摘 English Digest 329、地球上最成功的物种

The Most Successful Species on Earth 地球上最成功的物种 For many scientists, a species success is measured by sheer numbers. In that case, the most successful species known to man is a type of bacterium known as S-A-R-11, or SAR-11 for short