大學(xué)英語(yǔ)六級(jí)閱讀理解100篇:氣候環(huán)境

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　　A massive pool of warm ocean water is causing changes in the atmosphere that could produce unusual weather around ihc world in the next few months. the US National Weather Service reported on Monday.

　　As a result of this phenomenon. known as El Nino, more rainfall than normal is likely this winter across some areas of the United States, with unusually warm or cold weather in other parts of the country.

　　Currently the phenomenon is marked by a warm pool of water along the equator extending from the International Date Line nearly to the coast of South America. That water is nearly 4. degrees Fahrenheit above normal. explained Vernon Kousky of the climate center.

　　This warm water "spreads almost a quarter of the way around the globe. So it's massive and it has an impact on our weather. It has a global influence... because it disturbs the atmosphere", said Dave Rodenhuis. director of the climate center.

　　"E1 Nino is probably the most important climate event beyond the annual cycle of seasons", he added.

　　Because the changes tended to be first noticed around Christmas, the phenomenon was given che name El Nino, which is Spanish for child, a term often used to refer to the baby Jesus.

　　The phenomenon occurs every three to five years, sometimes in a mild form and sometimes strongly affecting weather patterns worldwide. Details of its cause are not fully understood, but when it occurs. unusually warm air can be pumped into Canada. Alaska and the northern United States. At the same time, conditions tend to be wetter than normal along the US Southeast Coast and the Gulf of Mexico. And the Atlantic and Caribbean hurricane season tends to be milder than usual.

　　The strong El Nino of 1982-1983 was blamed for worsening the devastating drought in Africa, causing a series or severe winter storms to come ashore in California, spawning the first typhoon to strike French Polynesia m 75 years-followed by five more in Five months-deluging Peru and Ecuador with torrential rains and promoting the worst drought in two centuries in Australia.

　　Overall damage was estimated at between $2 billion and $8 billion by a United Nations analysis and the death toll topped l,500 worldwide.

　　1.El Nino can best be described as_________________.

　　A) unusually long period of hot or cold weather

　　B) unusual changes of weather around the world

　　C) atmospheric change caused by warm ocean water

　　D) rising temperature of the ocean water and atmosphere

　　2.The warm water is affecting the weather globally because____________.

　　A) its temperature is too much above normal

　　B) it covers a vast area in the world

　　C) it is one of the most important climate events

　　D) its influence begins from the equator

　　3.Which of the following is true about the naming, of El Nino?

　　A) The name had something to do with Christianity.

　　B) The name was given by a religious researcher.

　　C) The name indicates that El Nino most usually happens around Christmas.

　　D) The name implies that the first phenomenon of El Nino appeared in Spain.

　　4.What is least known about El Nino. according to the passage?

　　A) The climate changes caused by El Nino.

　　B) The areas influenced by El Nino.

　　C) How often El Nino happens.

　　D) How El Nino is formed.

　　5.What does the author warns to tell us about El Nino by the last two paragraphs?

　　A) The UN’s concern about it.

　　B) The measures taken against it.

　　C) Its intensity.

　　D) Its frequency.

　　答案：

　　1.對(duì)厄爾尼諾的最佳描述是______________。

　　A)異乎尋常的長(zhǎng)時(shí)間段的熱冷天氣

　　B)世界各地異常的天氣變化

　　C)由溫暖海水引起的大氣變化

　　D)海水和大氣的升溫

　　[C]第2段首句開頭表明this phenomenon就是E1 Nino，而this phenomenon指的是前段提及的“大量溫暖的海水引起大氣變化”這一現(xiàn)象，由此可見(jiàn)，選頂C是對(duì)厄爾尼諾現(xiàn)象最恰當(dāng)?shù)拿枋觥?/p>

　　2.溫暖海水影響著全球的天氣，因?yàn)開_______________。

　　A)它的溫度大大超出標(biāo)準(zhǔn)

　　B)它在世界上占據(jù)了很大面積

　　C)它是最重要的氣候事件之一

　　D) 它的影響從赤道開始

　　[B]原文第4段第2句開頭的it's massive and_表明暖水對(duì)全球氣候產(chǎn)生影響是因?yàn)閕t's massive，由此可見(jiàn)，選項(xiàng)B為本題答案。第3段末句提及水溫比正常高了4度，但作者沒(méi)有說(shuō)明這4度是否too much above normal，因此選項(xiàng)A不正確;選項(xiàng)C沒(méi)有在原文提及。

　　3.關(guān)于厄爾尼諾的命名，下列哪項(xiàng)是正確的?

　　A)名字與基督教有一定關(guān)聯(lián)。

　　B)名字是由一位宗教研究人員取的。

　　C)名字暗示了厄爾尼諾通常在圣誕節(jié)前后發(fā)生。

　　D)名字暗示了第一次厄爾尼諾現(xiàn)象出現(xiàn)在西班牙。

　　[D]原文第6段中的Christmas和baby Jesus都表明厄爾尼諾的命名與基督教有關(guān)，因此選項(xiàng)A為本題答案。選項(xiàng)B中的religious researcher,選項(xiàng)C中的most usually happens around Christmas和選項(xiàng)D中的the first... in Spain均難以從原文得到證實(shí)。

　　4.根據(jù)文章，人們對(duì)厄爾尼諾了解最少的是_____________。

　　A)氣候變化導(dǎo)致厄爾尼諾(發(fā)生)

　　B)厄爾尼諾影響到的地區(qū)

　　C)厄爾尼諾隔多久發(fā)生

　　D)厄爾尼諾是怎樣形成的

　　[D]原文第7段第2句開頭的分句表明厄爾尼諾現(xiàn)象的成因仍不明了，因此選項(xiàng)D為本題答案。選項(xiàng)A在文章開頭有討論到，選項(xiàng)B在第7段有討論到，在討論這兩點(diǎn)信息的時(shí)候，作者并未提及對(duì)它們了解甚少，因此這兩個(gè)選項(xiàng)不是本題答案;第7段首句有提及這種現(xiàn)象每隔三到五年出現(xiàn)，故選項(xiàng)C也不正確。

　　5.在文章最后兩段，關(guān)于厄爾尼諾作者想要告訴我們的是__________。

　　A)聯(lián)合國(guó)對(duì)厄爾尼諾的關(guān)心

　　B)對(duì)厄爾尼諾采取的應(yīng)對(duì)措施

　　C)厄爾尼諾的強(qiáng)度

　　D)厄爾尼諾發(fā)生的頻率

　　[C]從原文倒數(shù)第2段開頭的was blamed for...和這兩段的用詞及數(shù)字可以知道，這兩段主要陳述了厄爾尼諾現(xiàn)象對(duì)全球氣候的破壞，即它的破壞力，選項(xiàng)C的intensity意為“強(qiáng)度，劇烈的程度”，與兩段的主題內(nèi)容最接近，因此為本題答案。