問題詳情

(IV) 篇章結構 5%     Have you noticed that in recent years, the news has been full of reports about abnormal weather events? 76 Unusually hot weather has caused major annual wildfires in California, Indonesia, and Australia. The island of Taiwan has experienced destructive floods in some years and serious droughts in other years. 77 What is going on, and why?Scientists believe that these bizarre weather disturbances are signs that the earth's climate is changing. 78 This warming is being caused by the huge amounts of carbon dioxide discharged into the atmosphere by the burning of fuels such as oil, gas, and coal. All over the planet, cars, airplanes, and factories continuously pour carbon smoke into the atmosphere. Besides, a large amount of carbon waste also comes from ordinary people. The electricity that powers air conditioners, refrigerators, and lights comes mainly from carbon fuels. 79 Scientists have measured not only the increased carbon levels in the air, but also the increased temperatures around the world.Scientists have also observed changes in the north and south polar ice sheets, both of which are melting and causing the sea level to rise. 80 If this disaster happens, millions will be homeless.  
(A) Some predict that it could rise so much that major cities like London, New York, and Taipei could become underwater cities by the end of this century.  
(B) They claim human industrial activity is causing this change by making the earth hotter, in a process known as global warming.  
(C) For example, in 2003, Europe experienced a heat wave, which killed over 20,000 people.  
(D) The problem is that carbon dioxide absorbs the sun's heat and doesn't allow it to escape into space.  
(E) Scientists estimate that the world's weather will continue to get worse, doubling the number of weather-related deaths in the next twenty-five years.
76

參考答案

答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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