自考英语（二）60讲 Return of the Chain Gang

本讲为 2006 年下半年新的教学内容，请对照语法、教材、练习册听录音！ Text B Return of the Chain Gang 重点词语 deny v./ n. 否定，否认；拒绝接受，拒绝给与

Blockchain to Fight Corruption in Southeast Asia

What if you could wave your phone over a piece of fish at a store and immediately see a record of its path through the supply chain? 如果你在商店里把手机在一块鱼肉上面晃一下，就能立即看到它在供应链上的路径记录，结

British Store Forms Human Chain to Move Books

This is Whats Trending Today Recently, the operators of a bookstore in Southampton, England made an unusual appeal to people in the community. They sought help moving books and other things to the stores new location, a short distance down the street

SSS 2011-04-20

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

SSS 2010-03-26

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

SSS 2010-01-19

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

when are you free

[00:00.00]13.When are you free? [00:06.64]你什么时候有空? [00:13.27]When are you free? [00:16.05]你什么时候有空? [00:18.83]When is it convenient for you? [00:22.01]你什么时候方便? [00:25.18]When is good for you? [00:28.16]什么时

60秒科学:冬暖夏凉的屋顶

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

Using Cats to Explain Cryptocurrency and Blockchain

By now, most people have heard of bitcoin. Bitcoin is a virtual currency that has had a huge rise in value during 2017. Bitcoin however is just one of many cryptocurrencies. A cryptocurrency is a kind of money that does not exist in the form of bills

SSS 2008-09-01

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

SSS 2011-02-07

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

SSS 2011-04-06

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

学个词Learn a Word 第1741 chain

今天我们要学的词是 chain。Chain 除了大家都知道的，有锁链的意思，还有连锁店的意思。The American drug store Walgreens became the first retail store chain to expand its services to include diagnosing and treating patie

Horse meat found in pasta of German supermarket chain

COPENHAGEN, Feb. 18 (Xinhua) -- German supermarket chain Lidl in Denmark has found traces of horse meat in a pasta dish, the supermarket annouced late on Monday. A pasta dish called Combino Penne Bolognese from the manufacturer Copack has been found

VOA慢速英语--研究人员研发完全可降解轮胎

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

VOA标准英语2016--“智能”绷带有助更快治愈伤口

'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

学个词Learn a Word 第1723-flexible

今天我们要学的词是 flexible。Flexible 灵活的，有弹性的。美国一项调查显示，Almost all respondents think that flexible work arrangements would have a positive effect on their personal lives. 几乎所有受访者都认为，灵

5个真相：解读新时代职业发展趋势

Technological advancements and the digital workplace affect everything about how young professionals and seasoned job seekers mold their future career paths. 随着科技的进步与数字车间的登场，千千万万的年轻一族在塑造自己职业

“闹别扭”的新说法

今天要讲的词是strop。Strop 是什么意思呢？ 翻开字典，我们可以查到：A flexible strip of leather or canvas used for sharpening a razor. 磨快剃刀的皮革带或帆布带。不过，我们今天要讲的是它的另一种含义

2016年CRI China Sets Flexible GDP Target to Gain Steam for Structural Reform

In his annual government work report at the NPC session, Premier Li Keqiang announced a flexible GDP target, calling it a reasonable growth range as China is gearing up its structural reforms. The main development targets for 2016 are as follows: GDP