标签：materials 相关文章
Passage Four In 1993, New York State ordered stores to charge a deposit on beverage ( 饮料 ) containers. Within a year, consumers had returned millions of aluminum cans and glass and plastic bottles
新东方CET6阅读
By Crystal Park Washington, DC 28 February 2006 watch eWaste report Constant innovations and breakthroughs in technology are helping the world. But there's a downside. The amount of electronic waste,
2006年VOA标准英语（二月）
UN: Plastic Accounts for $13B in Damage to Marine Habitat As World Cup play continues across Brazil, the country is gearing up to host the 2016 Summer Olympic Games. Among the concerns is that the sailing venue near Rio de Janeiro is too polluted to
VOA标准英语2014年(七月)
When you spill a liquid on the ground, it splashes. But if youre a guy using a urinal, or, more important, if the liquid is dangerous, say, an infected blood sample, you want to limit splashing. In other words: If an accident happens, you want the dr
2016年Scientific American(十二)月
Your home can be a dangerous place. But, if you understand what you can do to make your home safer, you can prevent accidents. And always keep a first-aid kit in your home - just in case ( 以防 ) there is an accident. The kitchen, bathroom and bedro
高中二年级英语
WHAT CAN WE DO ABOUT GLOBAL WARMING? Dear Earth Care, I am doing a project on behalf of my school about global warming. Sometimes I feel that individuals can have little effect on such huge environmental problems. However, 1 still think people shoul
高中二年级英语
By Paul Sisco Washington, DC 19 January 2007 watch Railway Safety report A train transporting hazardous materials derailed on Tuesday in the southern U.S. state of Kentucky. The accident raises new concerns about railway safety in the United States.
2007年VOA标准英语（一月）
In a big surprise, chip giant Intel announced 25% jump in quarterly revenues, the much better than expected sales figures helped lift profits far ahead of analysts' forecast. Softness in consumer demand for PCs and laptops in North America and Europe
万花筒2011年
By Paul Sisco Washington 19 March 2008 The planet Saturn has long fascinated astronomers because of its distinctive rings and multiple moons. NASA's Cassini spacecraft visited one of Saturn's moons last week, collecting samples, data and pictures of
VOA标准英语2008年（三月）
By Robert Raffaele Washington, D.C. 24 August 2006 watch Iran-Iraq Link report A senior military spokesman says there is clear evidence that Iran has directly aided insurgents in Iraq. Those comments follow Iraq's deadliest month since the U.S.-led
2006年VOA标准英语（八月）
By Kurt Achin Seoul 24 August 2007 South Korea has announced another aid package for North Korea following reports of serious flood damage there. After sending more immediately needed items like water and noodles, Seoul says it will now send heavy ma
2007年VOA标准英语（八月）
High-Tech Edge Sharpens Olympic Games At the very first Olympic Games, in 1896, an American won a gold medal in the pole vault event after jumping 3.30 meters using a wooden pole. Four years ago in Beijing, an Australian won gold in the same event wi
VOA标准英语2012年(七月)
Panel Urges Study of Nanomaterial Risks The nano market is booming. In 2009 developers generated $1 billion from the sale of nanomaterials. The global market for products that rely on these materials is expected to grow to $3 trillion by 2015. Yet wi
VOA标准英语2012年(二月)
Gold Prices Luring Many to Start Prospecting As gold prices continue to rise around the world, there is renewed interest in panning for gold in certain parts of the United States. In the late 1800s, the state of Virginia had a thriving gold-mining in
VOA标准英语2011年(八月)
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标准英语2015年(十一月)
'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded
VOA标准英语2016年(二月)
The Chinese government has released audio and video footage said to be being provided to would-be terrorists by the outlawed East Turkistan Islamic Movement. The recordings are materials confiscated as part of the current terror crackdown across the
2014CRI中国国际广播电台
By Faiza Elmasry Berkeley, CA 09 June 2008 Over the past century, the University of California at Berkeley has assembled a vast collection of East Asian treasures. Now in their new home on campus, the museum-quality materials are available for stude
VOA标准英语2008年（六月）
The U.S. negotiator to six-nation talks on disarming nuclear North Korea says he believes the current stalemate will be resolved before the next American president takes office. Daniel Schearf reports from Beijing. Christopher Hill The U.S. Assistan
VOA标准英语2008年（九月）
Don: Hey, Yael, Have you heard? We've discovered two new oceans? Yael: Where? D: On Mars. Well, they aren't there any longer, but they were there a few billion years ago. Y: I thought scientists weren't sure if Mars had oceans or not. D: They weren't
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