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名校最新大学英语四级阅读精讲的系列讲义：(160)

发布时间：2016-03-01 编辑：查字典英语网小编

　　EI NIno is name given to the masterious and often unpredictable change in the climate of the world.This strange ___1_____happens every five to eight years.It starts in the PAacific Ocean and is thought to be caused by a failure in the trade winds，which affects the ocean currents driven by these winds. As the trade winds lessen in ____2___,the ocean comperatures rise causing the Peru current flowing in form the east to warm up by as much as 5`C.

　　The warming of the ocean has far-reaching effects.The hot,humidair over the ocean causes severe __3___thunderstorms.The rainfall is increased acrossAounth American ____4___floods to Peru.In the West pacific,there are droughts affecting Australia and Indonesia.So while some parts of the world perpare for heavy rains and floods,other parts face drought,poor crops and____5____.

　　EI Nino usually lasts for about 18 months The 1982-83 EI Nino brough the most___6____weather in mordern history .Its effect was worldwide and it left more than 2,000 people dead and caused over eight billion pounds ____7___of damage.The 1990 EI Nino will ____55___,but they are still not __56___sure what leads to it or what affects how strong it will be.

　　A)estimate I)completely

　　B)strength J)destructive

　　C)deliberately K)starvation

　　D)notify L)bringing

　　E)tropical M)exhaustion

　　F)phenomenonN)worth

　　G)stable O)strike

　　H)attraction

　　答案与解析：

　　47. P phenomenon

　　48. B strength

　　49. E tropical

　　50. L bringing

　　51. K starvation

　　52. J destructive 53. N

　　worth

　　54. A estimate

　　55. O strike

　　56. I completely

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