单词:ferro-aluminosis
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Broadcast: August 4, 2003 This is Bill White with the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout the world, drinking water has to be stor
Section 12 Different Values 1Weights and measures are different in different countries. 2We call the different systems decimal and imperial. 3Most countries use the decimal system. 4That’s a system
The dilemma has been haunting the United States for decades. Do you prop up a regime that treats you favorably, even if that regime does not necessarily share your democratic principles? Or do you stand firm on your values, even if it means losing a
An examination of the relevant data shows a continuing secular increase in the labor force participation of married women--a phenomenon Ralph Smith called a subtle revolution two decades ago. However, this growth has slowed down in recent years and h
by Jason Marshall In the last article, we talked about averages and one specific way statistics can help answer questions without letting emotions interfere. But the type of average value we talked about is just one of manyuseful meanings assigned to
by Jason Marshall In the last article, we learned that there are several ways to calculate the average value of a sample of data. We focused on one such method, the arithmetic mean, and used it to calculate the average number of potato chips in a bag
DEVELOPMENT REPORT – January 7, 2002: Storing Drinking Water By Gary Garriott This is the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout th
By Peter Fedynsky Washington, DC 22 June 2006 watch Common Values report President Bush's summit in Vienna with leaders of the European Union covered a broad range of topics - from trade to terrorism; from poverty to intellectual property; from the
Almost all cells need iron to grow. Now, researchers have identified a link between the body's system for regulating iron and breast cancer. The discovery could help doctors predict the course of breast cancer disease and even help them decide the mo
Almost all cells need iron to grow. Now, researchers have identified a link between the body's system for regulating iron and breast cancer. The discovery could help doctors predict the course of breast cancer disease and even help them decide the mo
A classical guitarist was thrilled to hear from New York City police that his valuable guitar had been found. It disappeared almost a year ago when he got out of a taxicab and forgot to take the guitar with him. Laurence Lennon, 44, said he was runni
Fermilab Scientists Testing Faster-Than-Light Neutrino Claims Scientists at the CERN physics laboratory in Geneva, Switzerland, claimed recently to have clocked a subatomic particle, known as a neutrino, traveling faster than the speed of light. If t