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2015年12月19日全國大學英語四級考試已結束，本次考試為多題多卷，都教授第一時間收集整理不同版本試題。以下為四級完形填空的參考答案及解析，供考生參考。

【真題原文】

For many Americans, 2013 ended with an unusually bitter cold spell. November and December36 early snow and bone-chilling temperatures in much of the country, part of a year when, for the first time in two37, record-cold days will likely turn out to have outnumbered record-warm ones. But the U.S. was the exception; November was the warmest ever   38, and current data indicates that 2013 is likely to have been the fourth hottest year on record.

Enjoy the snow now, because39 are good that 2014 will be even hotter, perhaps the hottest year since records have been kept. That’s because, scientists are predicting, 2014 will be an EI Niuo year.

EI Niuo, Spanish for “the child”,40 when surface ocean waters in the southern Pacific become abnormally warm. So large is the Pacific, covering 30% of the planet’s surface, that the41 energy generated by its warming is enough to touch off a series of weather changes around the world. EI Ninos are42 with abnormally dry conditions in Southeast Asia and Australia. They can lead to extreme rain in parts of North and South America, even as southern Africa43 dry weather. Marine life may be affected too; EI Ninos can44 the rising of the cold, nutrient-rich（營養豐富的）water that supports large fish45,and the unusually warm ocean temperatures can destroy coral(珊瑚).

【答案解析】

36. N. saw 第一空顯然缺少謂語，優先考慮動詞，結合語義并根據Late November and December可以推出應選擇過去式動詞，故答案鎖定saw.

37. F. decades 根據two，首選復數名詞，結合語義，“for the first time in the two decades”,二十年來頭一次。

38. H.globally  句子為主系表結構，不缺主要成分，所以首選副詞和形容詞，根據語義，ever表示“一直以來地、向來地”，“十一月向來是全球范圍內最溫暖的一個月。”

39. D.chances  缺少主語，并且謂語是are，所以首選復數形式的名詞，結合前文Enjoy the snow now, “享受現在的雪吧”，因為“時機是好的”。

40. J.occurs  空格前方有主語，且是單數形式，而后面由when引導的時間狀語從句的時態是一般現在時，所以主句謂語鎖定第三人稱單數形式的動詞，只能選擇occurs.

41. A.specific空格左為定冠詞the，空格右為名詞，中間只能選形容詞，選擇“特定的”符合語義。

42. B. associated  空格左為be動詞，右邊為介詞with，中間只能是形容詞或動詞的過去分詞形式，be associated with表示“與…有聯系”，符合原意。

43. G.experiences  空格左為主語southern Africa，空格內應該為動詞的第三人稱單詞形式，結合語義，選G，“南非經歷著干燥的天氣。

44. M.reduce  空格左為情態動詞，空格內必須為動詞原形，填reduce“減少”符合原題。

45. K. populations 空格與左邊的large fish 共同構成動詞support的賓語，只能選一個名詞來作為名詞詞組，故選K，“大量的魚群”。