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In the opinion of the speaker, ____ are being destroyed terribly at present.
In the opinion of the speaker, ____ are being destroyed terribly at present.
admin
2016-03-05
69
问题
In the opinion of the speaker, ____ are being destroyed terribly at present.
The atmosphere and oceans are not the only parts of the environment being damaged. Rain forests are being quickly destroyed as well, and their survival is questionable. E.O.Wilson, a biologist at Harvard, calls the depletion of rain forest areas "the greatest extinction since the end of the age of dinosaurs". Unlike some environmental issues, rain forest depletion has fortunately received significant public and media attention. Despite the opposition to the cutting down of rain forests, the problem continues. Every year, Brazil chops down an area of forest the size of the state of Nebraska. In addition to the Amazon’s rain forests, many other forests are being cut down as well. In Indonesia, Zaire, Papua New Guinea, Malaysia, Burme, the Philippines, Peru, Colombia, Bolivia, and Venezuela, rain forests that were once great have been lost. According to some estimates, 50 million acres of rain forest are cut down every year. The United Nations says the figure is closer to 17 million acres. The World Wildlife Fund says that every minute, 25 to 50 acres are cut or burned to the ground. The world’s growing population has been a primary reason of rain forest destruction. More people need land to live on and wood products to consume. Limiting population growth may be the first in a series of steps that would limit the destruction of the rain forests.
选项
A、The rain forests’ survival is questionable.
B、It will become warmer and warmer with the depletion of rain forests.
C、Many wild animals will become extinct as a result of the depletion of rain forests.
D、The writer did not give his explanation.
答案
D
解析
细节题。文中提到哈佛大学的生物学家:E.O.Wilson把热带雨林的枯竭称为“自恐龙时代结束以来最大的灭绝”,但他做出这样评论的原因文中并没有进行解释,故D为正确答案。A具有强干扰性。但细看仅是问题的现象,而不是原因。
转载请注明原文地址:https://kaotiyun.com/show/ApWK777K
0
专业英语四级
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