In mining industry, “black diamonds” are （ ）.
举一反三
- Which industry is a traditional energy industry in Britain? A: Nuclear power B: Coal mining industry C: Auto-making industry D: Oil industry
- Reasons for the British coal mining is called a “sick” industry today.
- Coal mining industry in Britain provides _______ of the energy consumed in the country.
- Which of the following industry was not in “the westernization movement”? （ ） A: Mining B: Machinery C: Metallurgy D: Clothing
- 14. The Midwest in America’s most important _____ area. A: agricultural B: industrial C: manufacturing D: mining industry