单词:high rate trickling filter plant
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The US economy is growing a little more than earlier estimates show. But as NPR's Paul Brown told us the rate of growth is still very small. The Commerce Department says the gross domestic product to grow at 1.3% annual rate in the second quarter. It
The Cambodian government has ordered a limit on interest rates on small loans. The decision comes before local elections are set to take place in June. The 18 percent limit on the microfinance industry interest rates takes effect on April 1. Microfin
This is the VOA Special English Agriculture Report. These days, if we hear about two different plants being combined, the first thing we think of might is modern biotechnology. But the low-technology process of grafting remains an extremely important
Now Your Turn SAMPLE DIALOG A: Most of the worlds rainforests are in danger of destruction by loggers, farmers and developers. They are disappearing at a rate of 100 acres a minute! B: What a tragedy! , Many of the worlds plant and animal species exi
By Jeff Swicord Howard County, Maryland 18 May 2006 watch School Drop Out report It is estimated between 15 and 30 percent of high school students in the U.S. will not graduate. And among some minorit
Good morning. From the CNN center here in Atlanta. I am Melissa Long. It's Thursday, June. Excuse me, July 2nd, July 2nd. Here is a look at some of the stories happening NOW IN THE NEWS. North Korea has reportedly test-fired 4 short-range missiles o
Next time youre found, with your chin on the ground There a lot to be learned, so look around Just what makes that little old ant Think hell move that rubber tree plant Anyone knows an ant, cant Move a rubber tree plant But hes got high hopes, hes go
By Cathy Majtenyi Nairobi 19 May 2008 Fuel efficient stoves and ceramic water purifiers are two examples of low-tech innovations that can help people in poor countries improve their quality of life. Because what is known as appropriate technology usu
Education Report - High Dropout Rate a Problem for South Africa This is the VOA Special English Education Report. Since the nineteen nineties, education has been required for all South Africans from age seven to fifteen. Last December, the government
Ancient Papyrus Reed Could Hold Key to Water Conservation Ancient Egyptians turned papyrus into paper and provided the world with it for thousands of years. Hundreds of thousands of books in the Royal Library in Alexandria and Rome's 58 public librar
笨鸟先飞早入林Clumsy birds have to start flying early。 冰冻三尺,非一日之寒It takes more than one cold day for the river to freeze three feet deep。 OR: The ground is frozen three feet deep --a rather long process。 长江后
The coastal city of Weihai in East China's Shandong Province has started building a nuclear plant to address a shortage of power in the region. Power production in Shandong has been largely based on coal-burning, which pollutes the environment but do
Meet Chang Chen-kai, one of a new generation of high-tech farmers in Taiwan. Rather than toiling in the fields, Chang works in an air-conditioned room at a plant factory operated by Taiwanese biotechnology company, ARWIN. It's one of a growing number
(would可以看作是will的过去式,这两个词除了时态不相同外,在表达意思的许多方面是相近的。当然will 和would又都有一些各自不同的独特用法。) 1)用于第二人称疑问句,表示请求(在这种用法中wou
A man of the state of Chu had a spear and a shield for sale.Hew as loud in praises of his shield.My shield is so strong that nothing can pierce it through. He also sang praises of his spear.My spear is so sharp that it can pierce through anyt
BEIJING, Mar. 18 (Xinhuanet) -- Urbanization will be a major feature of China's economic growth and continue to gain momentum, Liu He, Party chief of the Development Research Center of the State Council, said on Saturday. At the China Development For
More than three years after Hurricane Katrina caused massive damage in New Orleans, the city has less than half its pre-hurricane population and a crime rate higher than any other city in the nation. But, as VOA's Greg Flakus reports, citizens' grou
Today the Governor of the Reserve Bank, Dr Alan Bollard, lowered the official cash rate (OCR) to 2.5%. This is down 50 points from the 12th March. It is also a huge change from July last year when the OCR was at a high point of 8.25%. In July 2007, t
NEW YORK, Dec. 27 (Xinhua) -- New York City Mayor Michael Bloomberg announced on Tuesday that babies born in the city in 2009 have the record high life expectancy of 80.6 years, an increase of nearly three years since 2000. The rate of 80.6 years is