文档介绍：2012年6月六级考试阅读真题及答案
2012年6月六级考试阅读真题及答案
Section A
Directions: In this section, there is a short passage with 5 questions or incomplete statements. Read the passage carefully. Then answer the questions or complete the statements in the fewest possible words. Please write your answers on Answer Sheet 2
Questions 47 to 51 are based on the following passage.
In face of global warming, much effort has been focused on reducing greenhouse gas emissions through a variety of strategies. But while much of the research and innovation has concentrated on finding lesspolluting energy alternatives, it may be decades before clean technologies like wind and solar meet a significant portion of our energy needs.
In the meantime, the amount of CO2 in the air is rapidly approaching the limits proposed by the Intergovernmental Panel on Climate Change (IPCC). “As long as we’re consuming fossil fuels, we’re putting out CO2,”says Klaus Lackner, a geophysicist at Columbia, University” We cannot let the CO2 in the atmosphere rise indefinitely.”
That sense of urgency has increased interest in capturing and storing CO2, which the IPCC says could provide the more than 50% reduction in emissions thought needed to reduce global warming.“We see the potential for capture and storage to play an integral role in reducing emissions,” says Kim Corley, Shell’s senior advisor of CO2 and en