分析 本文屬于科普說(shuō)明文閱讀,科學(xué)家想方設(shè)法保存地球上存在的冰塊,并計(jì)劃在南極洲建立一個(gè)地下室儲(chǔ)存冰塊.文章中介紹了科學(xué)家要儲(chǔ)存冰塊的原因和目的.
解答 28-31 ADBD
28.A.細(xì)節(jié)理解題.根據(jù)第三段三、四句Trapped air bubbles (氣泡) contain samples of the atmosphere thatexisted when that ice was formed.Ice is a record of climate By examining ice.可知研究冰塊可以讓我們了解很多與氣候有關(guān)的信息.故A正確.
29.D.推理判斷題.根據(jù)第三段三、四、五句Trapped air bubbles (氣泡) contain samples of the atmospherethat existed when that ice was formed.Ice is a record of climate By examining ice.we know carbondioxide in the atmosphere is higher now than in the last three million years.可知這些都是人們儲(chǔ)存冰的原因,研究冰塊,我們可以了解很多過(guò)去的事情,并預(yù)測(cè)未來(lái)的事情.所以文章中提到這些例子是為了說(shuō)明儲(chǔ)存冰塊的必要性.故D正確.
30.B.推理判斷題.根據(jù)第一段最后一句They've decided to store ice in Antarctica because global warming is causing some of the glaciers in places like the Alps to melt.可知因?yàn)槿蜃兣,世界其他地方的冰都在融化,科學(xué)家把南極洲用來(lái)儲(chǔ)存冰塊,就是把它當(dāng)成冰箱在使用.故B正確.
31.D.推理判斷題.根據(jù)第一段:They've decided to store ice in Antarctica because global warming is causing some of the glaciers in places like the Alps to melt可知科學(xué)家認(rèn)為在南極洲儲(chǔ)存冰是一個(gè)可靠的辦法;故選D.
點(diǎn)評(píng) 學(xué)生需要認(rèn)真閱讀原文,把握文章大意,對(duì)文章脈絡(luò)有整體的了解,能仔細(xì)查找文中細(xì)節(jié),并能根據(jù)文章內(nèi)容進(jìn)行合理的推測(cè)判斷.
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