2014年职称英语考试理工类B级真题及参考答案

　　完形填空：

Underground Coal Fires a Looming Catastrophe

　　Coal burning deep underground in China, India and Indonesia is threatening the environment and human life, scientists have warned, these large-scale __51__ blazes cause the ground temperature to heat up and kill surrounding vegetation, produce greenhouse gases and can __52__ ignite forest fires, a panel of scientists told the annual meeting of the American Association For the Advancement of Science in Denver. The resulting __53__ of poisonous elements like arsenic and mercury can also pollute local water sources and soils, they warned.

　　“Coal fires are a global catastrophe,” said Associate Professor Glenn Stracher of East Georgia College in Swainsboro, USA, But __54__ few people know about them.

　　Coal can heat up on its own, and eventually catch fire and burn, if there is a continuous oxygen supply. The heat produced is not cause to __55__ and under the right combinations of sunlight and oxygen, can trigger spontaneous catching fire and burning. This can occur underground, in coal stockpiles, abandoned mines or even as coal is transported. __56__ fires in China consume up to 200 million tones of coal per year, delegates were told. In __57__, the U.S. economy consumes about one billion tones of coal annually, said Stracher, __58__ analysis of the likely impact of coal fires has been accepted for publication in the International Journal of Coal Ecology. __59__ underway, coal fires can burn for decades, even centuries. In the process, they release large __60__ of greenhouse gases poisonous fumes and black particles into the atmosphere.

　　The members of the panel discussed the __61__ these fires may be having on global and regional climate change, cand agreed that the underground nature of the fires makes them difficult to__62__.

　　Ultimately, the remote sensing and other techniques should allow scientists to __63__ how much carbon dioxide these fires are emitting. One suggested __64__ of containing the fires was presented by Gary Colaizzi, of the engineering firm Goodson, which has developed a heat-resistant grout (a thin mortar used to fill cracks and crevices., which is designed to be pumped into the coal fire to __65__ the oxygen supply.

　　51. A. house B. underground C. sky D. water

　　52. A. only B. even C. just D. then

　　53. A. release B. paste C. consumption D. elimination

　　54. A. happily B. traditionally C. surprisingly D. fashionably

　　55. A. exchange B. regenerate C. disappear D. transfer

　　56. A. Most B. Such C. Some D. Many

　　57. A. comparison B. case C. time D. turn

　　58. A. which B. who C. whose D. what

　　59. A. Yet B. Unless C. Although D. Once

　　60. A. data B. volumes C. figures D. images

　　61. A. attack B. impact C. identification D. impilication

　　62. A. develop B. relieve C. detect D. supply

　　63. A. estimate B. experiment C. gather D. illustrate

　　64. A. cause B. method C. treatment D. rule

　　65. A. take up B. back up C. run out D. cut off

参考答案：

　　51.B. underground　　52. B. even　　53. A. release

　　54. C. surprisingly　　55. C. disappear　　56. B. Such

　　57. A. comparison　　58. C. whose　　59. D. Once

　　60. B. volumes　　61. B. impact　　62. *

　　63. A. estimate　　64. B. method　　65. D. cut off