新东方优美背诵短文50篇 Unit48:Bacteria

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are u

美联社新闻一分钟 AP 2012-11-26

1. At least two people are dead and dozens more injured in a pileup involving at least one hundred vehicles that forced the closing of interstate 10 in southeast Texas. The Texas Department of Public Safety says the cars and trucks crashed in very de

VOA双语新闻：巴军队进攻边境地区亲塔利班分子

Security forces in Pakistan have begun an operation against pro-Taliban militants in a tribal region bordering Afghanistan and serving as a major route for trade and supplies to U.S-led foreign forces based there. The offensive has provoked an al-Qai

科学美国人60秒 SSS Knot Not Easy to Knot

Of the many puzzles mathematicians ponder, one is new ways to tie knots. There are more than six billion different types of knots that have been tabulated by mathematicians. Six billion. David Leigh, a chemist at the University of Manchester in the U

科学美国人60秒 SSS 看结容易 打结难

Knot Not Easy to Knot 看结容易 打结难 Of the many puzzles mathematicians ponder, one is new ways to tie knots. There are more than six billion different types of knots that have been tabulated by mathematicians. Six billion. David Leigh, a che

英文书摘精选 How Does Ice Cool Drinks?冰块是如何使饮料冷却的?

Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? 有件事情我们总觉得理所当然：室温下把一些冰块放入水中，

英文书摘精选 Is There Life On Other Planets?外星球上有生命吗?

Weve all been hearing about ongoing Mars exploration, and how water probably used to be abundant there. And a water spewing volcano was recently discovered on a small moon orbiting Saturn. Water is one sign that life may exist or have existed at some

VOA标准英语2012--Nano Tool Watches Teardrop Protein Destroy Bacteria

Nano Tool Watches Teardrop Protein Destroy Bacteria About a hundred years ago, a Scottish biologist discovered that proteins called lysozymes in human tears can kill bacteria. Scientists have studied the enzyme extensively, but molecular biologist Gr

VOA标准英语2015--Classes Resume in War-Torn Kobani

Classes Resume in War-Torn Kobani KOBANI, SYRIA With Syria in its fifth year of conflict, most of the norms of prewar life are gone. Many schools, clinics and other social services have long been shuttered or bombed. But in the aftermath of fighting

美联社新闻一分钟 AP 2013-08-13

1. A wildfire in southern California, San Jacinto, mountains has grown to nearly 30 square miles. But the fire fighters say they are making progress. The blaze is almost half contained and several evacuation orders have now been lifted. The fire has

科学美国人60秒 SSS 敏感如蛇的热传感器

Heat Sensor Has Snaky Sensitivity敏感如蛇的热传感器 One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. 世界上有一种最精敏的热传感器，它

VOA标准英语2009年-3 Scientists Share Nobel Chemistry Prize f

By Tom Rivers London 07 October 2009 Ada Yonath (file photo) Two Americans and one Israeli share this year's Nobel Prize in Chemistry for their work showing how the DNA code is translated into life itself. Americans Venkatraman Ramakrishnan and Thom

CCTV9英语新闻：49名武装人员，5名士兵在阿富汗东部杀害

Officials say up to 49 Taliban insurgents and five Afghan soldiers have been killed following an attack by the Taliban in the eastern Afghan province of Paktiya. One soldier was captured during the fighting. Several foreign militants were also involv

学个词Learn a Word 第1232期 underground

今天我们要学的词是underground。 Underground, 地下。为防止辐射物质通过土壤和地下水系统的扩散， The Japanese government is considering building an underground barrier near the Fukushima nuclear power plant, 日本政府正

澳洲新闻 (ABC新闻快递) 2015-01-19

Refugee advocates claim asylum seekers in Manus island have been denied drinking water and warned the move could have fatal consequences.Asylum seekers have been protesting several days over plans to have them resettled in PNG.Protesters on hunger st

中英双语新闻 俄欲与美联手打击叙反叛分子 美体操女将西蒙强势扫4金

俄欲与美联手打击叙反叛分子 美体操女将西蒙强势扫4金 时间:2016-08-21 08:34来源:未知 作者:voa365 点击: 149 次 音频下载 BBC news with Jonathan Izard. Russian bomber plans have begun using an airbase in Iran to launc

科学美国人60秒 SSS 提高光合作用能使作物增加产量

Rev Up Photosynthesis To Boost Crop Yields 提高光合作用能使作物增加产量 Photosynthesis is surprisingly inefficient, only of the order of one to two percent. And one of the main culprits is an enzyme called RuBisCo. 光合作用效率低得

英语听力文摘 English Digest 391、感受空气的存在

What is Air? 空气 D: Strictly speaking, air is mostly nitrogenabout seventy-eight percent, and about twenty-one percent oxygen, which leaves about one percent of other stuff, like water vapor and carbon dioxide. Y: So air is mostly empty space? D:

学个词Learn a Word 第1384期　restore

今天我们要学的词是restore。Restore, 意思是恢复。索马里正在集中力量打击恐怖组织青年党。 The fight against al-Shabab militants presents a historic opportunity to restore peace in Somalia, 对青年党的打击为恢复索

【英语时差8,16】历史最悠久的甜味剂（上）

Honey has been around for a very long time. Cave paintings in Spain from over ten thousand years ago show people harvesting honey. Today honey is mostly used for its distinctive flavor, but for baking it has another advantage as well: baked goods mad