問題詳情

請依下文回答第 46 題至第 50 題：El Niño is coming and people in every part of the world are getting worried. El Niño is a mysterious weatherpattern. It begins about every four years with a sudden warming of the eastern Pacific Ocean along the equator.El Niño is caused by changes in air movements. These changes disrupt ocean currents. The warm water in thePacific Ocean moves south along the west coast of South America. It makes the cold water off the coast of Peru andEcuador warmer. The warming of the ocean water kills many fish, sea animals, and sea birds. But El Niño’s effects arenot limited to the local area. The warming of the ocean affects weather patterns throughout the world.El Niño is a Spanish term. It means “the male child” and usually refers to the baby Jesus. Fishermen in Peru begancalling the strange weather event El Niño because it usually arrived around Christmas time. Today the term El Niño isonly used when the weather event is big enough and warm enough to bring worldwide effects.
46 According to this passage, how often does El Niño occur?
(A)every two years 
(B) every three years 
(C) every four years
(D)every five years 

參考答案

答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

內容推薦

內容推薦