刘毅词汇（中级）5000 lesson 15

刘毅词汇 5000 lesson 15

TED演讲:为何闪亮的玻璃高楼对城市生活有害(8)

The firm Ennead clad the Utah Natural History Museum in Salt Lake City in copper and zinc, Ennead公司用铜和锌包裹了位于盐湖城的犹他自然历史博物馆， ores that have been mined in the area for 150 years and that also camouflage

英语听力文摘 English Digest 664 白金为何是白色的

What Makes White Gold White? Many people associate the metal gold with the color gold. But, some gold jewelry is not golden at all: its white. 图片1 Golden Color Gold is one of the heaviest and softest metals. Pure gold, called 24-carat gold, is so

Scientists Discover 50,000-Year-Old 'Super Life' in Mexico

Scientists have found living organisms trapped in crystals that could be 50,000 years old. The organisms were found in a hot, but beautiful cave system in Naica, Mexico. These ancient life forms can be seen only with a microscope. They are dormant, w

CNN 2012-02-21

President Obama`s administration says it`s more concerned with what`s in coins than who`s on them. The penny in your pocket might look like copper, but copper actually makes up less than 3 percent of a one-cent coin. And the main metal in nickels ain

英文书摘精选 What Makes White Gold White?白金为何是白色的?

Many people associate the metal gold with the color gold. But, some gold jewelry is not golden at all: its white. 很多人都认为金子就应该是金色。但一些黄金首饰的颜色并不是金色，而是白色。 Golden Color 金色 Gold is

【轻松英文阅读】制造硬币成本高

The penny is costing the government a pretty penny these days. In fact, the US government lost over 50 million dollars last year in penny production. The culprit is the cost of the metal in the penny. However, contrary to common belief, the penny is

英语听力文摘 English Digest 620、白金为何是白色的？

What Makes White Gold White? Many people associate the metal gold with the color gold. But, some gold jewelry is not golden at all: its white. Golden Color Gold is one of the heaviest and softest metals. Pure gold, called 24-carat gold, is so soft th

英语儿歌274首 第151期:Old Brass Wagon

歌词如下： Circle to the left, the old brass wagon, Circle to the left, the old brass wagon, You're the one my darling. Circle to the right, the old brass wagon, Circle to the right, the old brass wagon, You're the one my darling.

VOA慢速英语20060727a

EDUCATION REPORT - 'Iron Science Teacher' and More at the ExploratoriumBy Nancy Steinbach Broadcast: Thursday, July 27, 2006 This is the VOA Special English Education Report. The Exploratorium is hous

VOA慢速英语2016 铜能杀死细菌和病毒

Copper Metal Kills Viruses on Contact 铜能杀死细菌和病毒 Even in the world of medicine, what is old is new again. 医药界也刮起了复古风。 Thousands of years ago, Egyptians used it to sterilize drinking water. Ancient Romans, Aztecs

投资者寻求避险:黄金、石油价格上涨

Gold, Oil Prices Up as Investors Seek Safe Haven 投资者寻求避险:黄金、石油价格上涨 NEW YORK The up-and-down prices of oil and gold mirror the unsettled world situation, and both reflect the economic squeeze most nations currently face

原版英语对话：Having a Cold(2)

A: How are you feeling today? B: I have a terrible cold! A: Where do you think you picked that up? B: A lot of people in my gym have it. Maybe I got it from the equipment. A: Have you taken anything for it? B: I think that I am just going to rest and

英语四级听力-短对话 211

Passage One 26. A. They were possibly caused by man. B. They were mostly caused by volcanoes. C. They were certainly caused by nature. D. We know nothing about their causes. 27. A. Afraid. B. Excited. C. Curious. D. Indifferent. 28. A. Copper and iro

XDF考研词汇串讲文本x-z

Study: Multivitamins may damage women's heath

BEIJING, Oct. 12 (Xinhuanet) -- Study found that women who took multivitamins may actually be at risk, media reports on Wednsday. Women who took the dietary supplements vitamin B6, folic acid, magnesium, zinc, copper, iron and multivitamins had a hig

英国学生科学读本 第37期:关于便士(1)

Lesson 37 All About A Penny 第37课 关于便士 When I was a little boy, pennies, and halfpennies, and farthings were made of pure copper. But copper is too soft a metal to stand the rubbing which coins get. So these old pennies soon became so smoo

经济学人236:金属,自己愈合吧 Metal,heal thyself

Metal, heal thyself 金属，自己愈合吧 Materials science: Researchers have devised an ingenious way for the damaged surfaces of metals to repair themselves when they come to harm 材料科学：研究人员构想出了一种新颖独特的方法，

如何地道表达“冷死了”？

1. It's freezing/chillyout there! 外面冷死了! 2. It's a bit nippytoday, but I will still run my usual distance。 虽然今天有点冷，但我还是会坚持和往常跑一样远的。 3. There is a real nip in the airtoday。 今天寒气袭人

锌成为表现最佳金属 锌价涨至10个月高位

Zinc, which is used to galvanise steel, has emerged as the best-performing metal this year as supply cuts spur a recovery in sentiment. 锌成为今年表现最佳的金属，减产带动市场人气回升。这种金属被用来生产镀锌钢板。