单词:layer mining ploughing
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There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th
BEIJING, Aug. 24 (Xinhua) -- A spokesman for China's work safety regulator said on Friday that coal mining remains a high-risk industry in the country despite improvements over the past decade. Speaking at a press conference in Beijing, Huang Yi, of
[00:06.40]Listening Task [02:45.77]Listening Task [02:54.55]Match the descriptions with the sites in the map. [05:00.62]Reading Task [05:09.76]AN EARLY FARMER PIONEER [05:14.20]Some people thought Jia Sixie was a lucky man. [05:19.66]He had worked fo
[00:04.88]Lesson 93 1 Dialogue [00:10.63]Dick lives in the west of England.He is a farmer. [00:15.91]He is always busy with his farm work. [00:19.96]Today he is working in the fields with Tim,who's helping him. [00:25.81]It's a beautiful day today. [
Lignite is low grade coal which contains more moisture than high grade coal and is dirty to burn. Southland has ten areas with lignite. Solid Energy, which is a government company, plans to mine this lignite. The company has plans to build a $25m bri
By Steve Herman Goa, India 07 February 2008 Mining, along with tourism, forms the economic backbone of India's seaside state of Goa. Environmental concerns recently halted much of the iron ore extraction, but the way has been now cleared for resumpti