2014高考英语解密冲刺金卷1
（共5小题；每小题2分，满分10分）
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
obtaining fresh water from icebergs
the idea of getting fresh water from icebergs that are moved to populated areas or places was once treated as a joke. recently, scientists have warned that the human race will outgrow its fresh water supply faster than it runs out of food.___71___
glaciers are a possible source of fresh water that has been overlooked until recently. __72__it contains fresh water so much that it could sustain(维持) all the资源难易程度:★★★★★★★★★★★★★★★
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