单词：pyrathiazine-n-5-dioxide
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by Jason Marshall A few weeks ago, we began talking about the meaning of prefixes in math. In particular, we talked about the prefixes used in the metric system to represent lengths smaller than one meter. Today, were going to continue this topic by
数学英语
by Jason Marshall Math is known for precision. Answers to problems are usually black-and-whiteright-or-wrongright? Its true that math is usually extremely precise, but ambiguity does occasionally creep in. Just like English, the language of math isnt
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SAN FRANCISCO Among all the applications (apps) on a mobile phone, there is a good chance a few were created by hackers at a hackathon. A hacker is anyone who can take limited resources or be in any type of constraint, time constraint, resource const
VOA标准英语2017年(二月)
Lesson 38: Everything except the weather 唯独没有考虑到天气 First listen and then answer the question. 听录音，然后回答以下问题。 Why did Harrison sell his house so quickly? My old friend, Harrison, had lived in the Mediterranean
新概念英语第二册
There's so much wealth in the world. And there's so much poverty and suffering. Thousands of billionaires live like kings and queens while billions go hungry. They show off their wealth to each other. They fill their gigantic mansions with all the tr
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August the 6th is Fresh Breath Day. It is a day when we can think about our breath and how it affects our life and relationships. Bad breath is one of lifes most personal problems. It can make or break a romantic relationship and have an impact on ho
英语课程学习计划和讲义
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Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti
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Archaeologyby Paul MillardArchaeology, like many academic words, comes from Greek and means, more or less, the study of old things. So, it is really a part of the study of history. However, most historians use paper evidence, such as letters, documen
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by Jason Marshall In the last few articles, weve talked about fractions and percentages, and soon enough well see that these ideas naturally lead us into the world of decimal numbers. But before we head down that path, lets take a quick detour to tal
数学英语
by Jason Marshall This is our very first Math Dude article, and in honor of that were going all the way back to basics to answer some fundamental questions about math that should help you evaluate the status of your relationship with numbers. But let
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By Greg Flakus Scientists in Texas are trying to find a way of reducing carbon dioxide air pollution by capturing the gas, compressing it and then putting it underground. This technique could also yie
VOA2004（下）--健康科技
Daily Life - Learning Simple Math (C0076) A: Alright, children, lets review. Tommy! Pay attention! B: Sorry Miss Kadlec. A: Okay, Crystal, now tell me, whats four plus eleven? C: Um...fifteen! B: Miss Kadlec always asks Crystal; shes such a teachers
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Breathing Easier: How to Control Asthma This is Science in the News. Im Shirley Griffith. And Im Bob Doughty. Spring has returned to the United States. The sky is blue, the grass is green and many plants are flowering. Spring can be a beautiful time
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The U.S. and Russia presidents are scheduled to meet for the first time Wednesday on the sidelines of the G20 summit in London. The new Kremlin leader comes to the meeting with a record of policy initiatives that have swung between belligerent threa
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Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti
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AGRICULTURE REPORT – March 12, 2002: Carbon Dioxide and Crops By George Grow This is the VOA Special English AGRICULTURE REPORT. Increasing levels of carbon dioxide gas in Earth’s atmosphere have
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LOS ANGELES, Jan. 13 (Xinhua) -- Actress Anne Hathaway wins Best Actress in a Supporting Role in a Motion Picture for Les Miserables at the 70th annual Golden Globes Awards ceremony which is underway at the Beverly Hilton in Hollywood, California Sun
英语新闻
1) Off the beaten path 很少有人去的 2) Overrun 泛滥，人太多 3) Local 当地人
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Drivers in the eastern United States may soon start paying for the pollution made by their motor vehicles. Nine eastern states and Washington, D.C. are launching a system of pricing the carbon dioxide produced from burning gasoline and diesel fuel. M
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