职称英语《理工B》概括大意历年真题精选(2)

时间:2020-01-09 09:05:23 来源:

【摘要】 即将参加职称英语等级考试的考生们,考试即将到来,你们的备考工作进行得如何了?考必过为大家精心整理了职称英语《理工B》概括大意历年真题精选(2),希望能够助力职称英语等级考试。那么,同学们一起快来做题吧!关于职称英语《理工B》概括大意历年真题精选(2)的具体内容如下:

>>>2017年职称英语报名条件预审系统已开通

>>>职称英语《理工B》概括大意历年真题精选汇总

Climate Change: The Long Reach

(1) Earth is warming. Sea levels are rising. There's more carbon in the air, and Arctic ice is melting faster than at any time in recorded history. Scientists who study the environment to better gauge (评估) Earth's future climate now argue that these changes may not reverse for a very long time.

(2) People burn fossil fuels like coal and oil for energy. That burning releases carbon dioxide, a colorless gas. In the air, this gas traps heat at Earth's surface. And the more carbon dioxide released, the more the planet warms. If current consumption of fossil fuels doesn't slow, the long-term climate impacts could last thousands of years--and be more severe than scientists had been expecting. Climatologist Richard Zeebe of the University of Hawaii at Manoa offers this conclusion in a new paper.

(3) Most climate-change studies look at what's going to happen in the next century or so. During that time, changes in the planet's environment could nudge ( 推动) global warming even higher. For example: Snow and ice reflect sunlight back into space. But as these melt,sunlight can now reach--and warm--the exposed ground. This extra heat raises the air temperature even more, causing even more snow to melt. This type of rapid exaggeration of impacts is called a "fast feedback".

(4) Zeebe says it's important to look at fast feedbacks. However, he adds, they're limited. From a climate change perspective. "This century is the most important time for the next few generations," he told Science News. "But the world is not ending in 2100." For his new study,Zeebe now focuses on "slow feedbacks". While fast feedback events unfold over decades or centuries, slow feedbacks can take thousands of years. Melting of continental ice sheets and the migration of plant life--as they relocate to more comfortable areas--are two examples of slow feedbacks.

(5) Zeebe gathered information from previously published studies investigating how such processes played out over thousands of years during past dramatic changes in climate.Then he came up with a forecast for the future that accounts for both slow and fast feedback processes. Climate forecasts that use only fast feedbacks predict a 4.5 degree Celsius (8.1 degree Fahrenheit) change by the year 3000. But slow feedbacks added another 1.5 ℃--for a 6 total increase, Zeebe reports. He also found that stow feedback events will cause global warming to persist for thousands of years after people run out of fossil fuels to burn.

23——26概括大意

23. Paragraph 2__________

24. Paragraph 3 __________

25. Paragraph 4 __________

26. Paragraph 5 __________

A. Rising of sea levels

B. Impact of burning fossil fuels

C. Fast feedbacks

D. Slow feedbacks

E. Unpredictability of feedback processes

F. A prediction of future climate change

27——30完成句子

27. Arctic ice has never been melting so fast in __________.

28. Melting of snow and ice enables sunlight to reach __________.

29. Zeebe came up with his future climate prediction by analyzing __________.

30. After fossil fuels are used up, global warming will continue for__________.

A. the exposed ground

B. a very long time

C. the extra heat

D. recorded history

E. previously published studies

F. rapid exaggeration of impacts

以上就是考必过为大家整理的职称英语《理工B》概括大意历年真题精选(2)的具体内容。所谓未来,其实只是过去的堆砌,堆砌昨天便有了今天,堆砌今天便有了明天,堆砌明天便是未来。最后,考必过预祝大家在未来的职称英语等级考试中能够取得优异的成绩!

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