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2015职称英语理工类考试阅读理解练习题(1)

发布时间：2016-03-01 编辑：查字典英语网小编

　　El Nino 厄尔尼诺现象

　　Using a computer the researchers matched sea-surface temperatures to later El Nino occurrences between 1980 and 2000 and were then able to anticipate E1 Nino events dating back to 1857, using prior sea-surface temperatures.The results were reported in the latest issue of the journal Nature.

　　This will probably convince others to search around more for even better methods.said Weare.He added that the new method makes it possible to predict El Nino at 1ong lead times. Other models also use sea-surface temperatures, but they have not looked as far back because they need other data, which is only available for recent decades, Weare said.

　　When El Nino hit in 1991 and 1997, 200 million people were affected by flooding in China alone.according to a 2002 United Nations report.

　　E1 Nino tends to develop between April and June and reaches its peak between December and February.The warming tends to last between 9 and 12 months and occurs every two to seven years.

　　The method used by the Columbia University researchers can predict E1 Nino a few months in advance. B.Wrong

　　The Columbia University researchers are the first to use sea-surface temperatures to match the past EI Nino occurrences. C.Not mentioned

　　C.Not mentioned

　　It takes about eight months for El Nino to reach its peak. A.right

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