职称英语考试《理工类》阅读理解试题4
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来源:才华咖 本文已影响4.09K人
The Effects of Global Warming on Weather
There are hidden factors which scientists call "feedback mechanisms”。 No one knows quite how they will interact with the changing 's one example: plants and animals adapt to climate change over the current estimate of half a degree centigrade of warming per decade,vegetation (植物) may not keep atologist James Hansen predicts climate zones will shift toward the poles by 50 to 75 kilometres a year—faster than trees can naturally ies that find themselves in an unfamiliar environment will 1000-kilometer-wide strip of forest running through Canada,the USSR and Scandinavia could be cut by ions of dying trees would soon lead to massive forest fires,releasing tons of CO2 and further boosting global warming.
There are dozens of other possible "feedback mechanism”。 Higher temperatures will fuel condensation and increase cloudiness,which may actually damp down global rs,like the "albedo"effect,will do the "albedo"effect is the amount of solar energy reflected by the earth's northern ice and snow melts and the darker sea and land pokes (戳) through,more heat will be absorbed,adding to the global temperature increase.
Even if we were to magically stop all greenhouse-gas emissions tomorrow the impact on global climate would continue for y will simply make the problem fact is that some of us are doing quite well the way things developed world prosperity has been built on 150 years of cheap fossil fuels.
Material progress has been linked to energy y 75 percent of all the world's energy is consumed by a quarter of the world's average rich-world resident adds about 3.2 tons of CO2 yearly to the atmosphere,more than four times the level added by each Third World US,with just seven per cent of the global population,is responsible for 22 per cent of global warming.
41."Feedback mechanisms"in paragraph 1 most probably refer to ____________.
plants and animals adapt to hidden factors
plants and animals interact with the changing climate
climate changes
climate zones shift
can learn from the passage that ____________.
feedback mechanisms may slow down global warming
basic facts of global warming are unknown
loping countries benefit from cheap fossil fuels
loped countries have decided to reduce their energy consumption
s Hansen predicts that the shift of climate zones will be accompanied by ____________.
cutting of many trees
rable environmental changes
essful migration of species
ccessful migration of trees
can be inferred from the passage that ____________.
developing world has decided to increase its energy consumption
B.a third-world citizen adds less than a ton of CO2 yearly to the atmosphere
world climate would soon gain its balance if we stopped greenhouse gas emissions
re prosperity of the world is dependent on cheap fossil fuels
h of the following is the main topic of the passage?____________
ct of global warming on climate.
perity and cheap fossil fuels.
rial progress and energy consumption.
ts and animals in the changing climate.
参考答案:
41.B 第一段中的“feedback mechanisms”的意思最可能是:A动植物是如何适应隐蔽因素的;B动植物是如何与不断变化的气候相互作用的`;C气候是如何变化的;D气候带是如何迁移的。
42.A 从文章中我们可以得知:A某些反馈机制可能减缓全球变暖的速度;B全球变暖的基本事实还不为人所知;C发展中国家从廉价的矿物燃料中获益;D发达国家打算降低能耗。
43.D 预测气候带的迁移将由下列哪一项伴随进行?A许多树木被砍伐;B有利的环境变化;C物种的成功迁移;D树木的不成功迁移。
44.B 从文章可以推断出:A发展中国家打算增加能源的消耗;B第三世界每年向大气层释放的二氧化碳,人均不超过一吨;C如果我们停止排放引起温室效应的废气,全球的气候就会获得平衡;D未来世界的繁荣靠廉价的矿物能源。
45.A 本篇文章的主题是:A全球变暖给气候带来的影响;B繁荣与廉价的矿物能源;C物质进步与能源消耗;D气候变化过程中的动植物。
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