Where do you keep ice?In die freezer.of course．That's what scientists might have thought when they were looking for a safe place to store ice from mountain glaciers from around the world．They've dec 题目和参考答案——青夏教育精英家教网—

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11．Where do you keep ice？In die freezer，of course．That's what scientists might have thought when they were looking for a safe place to store ice from mountain glaciers from around the world．They've decided to store ice in Antarctica because global warming is causing some of the glaciers in places like the Alps to melt．
Jerome Chappellaz of the French National Centre for Scientific Research is involved in creating an ice vault （地下室）there．He says："We are probably the only scientific community whose sample （样本） is in danger of disappearing from the face of the planet．If you work on rocks or on tree rings，the raw material is still here and will be for many centuries．"
And why do scientists need to study ice from the Alps？Ice formed on the top of a mountain is made of snow accumulated over thousands of years．Trapped air bubbles （气泡） contain samples of the atmosphere that existed when that ice was formed．Ice is a record of climate．By examining ice，we know carbon dioxide in the atmosphere is higher now than in the last three million years．Researchers use this kind of data to build computer models and try to predict what might happen in the future．
The ice vault will be housed in a snow cave at the Concordia Research Station，which is operated by scientists from France and Italy．The ice samples will be sealed in bags and placed 10meters below the surface at a constant temperature of-50*C．This will put the scientists'minds at rest．Losing the ice samples would be a disaster，and nobody wants to see a mine of scientific knowledge lost forever in a giant pool．
32．What is the researchers'purpose of studying ice？A
A．To learn about climate．
B．To learn about the Alps．
C．To trap air bubbles．
D．To reduce carbon dioxide．
33．Jerome compares ice with rocks and tree rings to state thatD．
A．ice should be stored at home
B．it's more valuable to study ice
C．ice disappears very quickly
D．it's necessary to store ice
34．What makes Antarctica a safe place to store ice？B
A．Its large mountains．
B．Its function as a freezer．
C．The abundant ice samples there．
D．The absence of global warming．
35．What do scientists think of storing ice in Antarctica？D
A．They consider it an easy job．
B．They're not optimistic about it．
C．They think it will cause disasters．
D．They think it's a reliable way．

分析本文属于科普说明文阅读，科学家想方设法保存地球上存在的冰块，并计划在南极洲建立一个地下室储存冰块．文章中介绍了科学家要储存冰块的原因和目的．

解答 32．A．细节理解题．根据第三段三、四句Trapped air bubbles （气泡） contain samples of the atmosphere thatexisted when that ice was formed．Ice is a record of climate By examining ice．可知研究冰块可以让我们了解很多与气候有关的信息．故A正确．
33．D．推理判断题．根据第三段三、四、五句Trapped air bubbles （气泡） 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．可知这些都是人们储存冰的原因，研究冰块，我们可以了解很多过去的事情，并预测未来的事情．所以文章中提到这些例子是为了说明储存冰块的必要性．故D正确．
34．B．推理判断题．根据第一段最后一句They've decided to store ice in Antarctica because global warming is causing some of the glaciers in places like the Alps to melt．可知因为全球变暖是，世界其他地方的冰都在融化，科学家把南极洲用来储存冰块，就是把它当成冰箱在使用．故B正确．
35．D．推理判断题．根据第一段：They've decided to store ice in Antarctica because global warming is causing some of the glaciers in places like the Alps to melt可知科学家认为在南极洲储存冰是一个可靠的办法；故选D．

点评考察学生的细节理解和推理判断能力，做细节理解题时一定要找到文章中的原句，和题干进行比较，再做出正确的选择．在做推理判断题不要以个人的主观想象代替文章的事实，要根据文章事实进行合乎逻辑的推理判断．

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