【2019-2020】职称英语理工类阅读理解复习必备训练题(2)-精选word文档 (1页)

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Arctic Melt Normally , ice builds in Arctic waters around the North Pole each winter and shrinks during the summer . But for many years , the amount of ice left by the end of summer has been declining . Last summer , Arctic sea ice reached its skimpiest levels yet . By the end of summer 201X, the ice had shrunk to cover just 4.2 million square kilometers . Thats 38 percent less area than the average cover at that time of year . Andits a very large 23 percent below the previous record low , which was set just 2 years ago . This continuing trend has scientists concerned .
Scientists also suspect that fewer clouds cover the Arctic now than
in the past . Clearer skies allow more sunlight to reach the ocean . The extra heat warms both the water and the atmosphere . In parts of the Arctic Ocean last year , surface temperatures were 3.5℃ Ce lsius warmer than average and 1.5℃ warmer than the previous record high 5. The new measurements suggest that melting is far more severe than scientists have seen by just looking at ice cover from above , says Donald K . Perovich , a geophysicist at the U . S . Army Cold Regions Research and Engineering Laboratory in Hanover , N . H .7 词汇：the Arctic Ocean 北冰洋 shrink v .萎缩;缩小，减少 oceanographer n .海洋学家 skimpy adj .缺乏的，不足的 centimeter n .厘米 geophysicist n .地球物理学家 1. fell to a record low : 跌到历史最低点。

record 作形容词时，意思是空前的，创记录的。

Record low 的反义词是 record
high : 历史最高点。

3. University of Washington : 华盛顿大学，创建于 l 861 年，座落在美国华盛顿州西雅图市东北角，所以又称西雅图华盛顿大学，是美国著名的公立研究型大学。

5. record high : 见注释1。

7. Hanover ， N . H ：新罕布什尔州汉诺威市。

N . H .是 New Hampshire 的缩写。

该州位于美国新英格兰地区。