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题库 / Prep2007E2-CR-13
An unusually severe winter occurred in Europe after the continent was blanketed by a blue haze resulting from the eruption of the Laki Volcano in the European republic of Iceland in the summer of 1984. Thus, it is evident that major eruptions cause the atmosphere to become cooler than it would be otherwise.
Which of the following statements, if true, most seriously weakens the argument above?
The cooling effect triggered by volcanic eruptions in 1985 was counteracted by an unusual warming of Pacific waters.
There is a strong statistical link between volcanic eruptions and the severity of the rainy season in India.
A few months after El Chichn's large eruption in April 1982, air temperatures throughout the region remained higher than expected, given the long-term weather trends.
The climatic effects of major volcanic eruptions can temporarily mask the general warming trend resulting from an excess of carbon dioxide in the atmosphere.
Three months after an early springtime eruption in South America during the late 19th century, sea surface temperatures near the coast began to fall.
长难句练习：
C，A few months after El Chichn's large eruption in April 1982, air temperatures throughout the region remained higher than expected, given the long-term weather trends.
考虑到长期的天气趋势，火山爆发几个月后，该地气温仍然高于预期。
意思是，从长期天气趋势来看（而不是考虑到火山爆发的降温影响后），几个月后的气温还更高了。
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