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  3. Fresh water supplies in Asia and south America is disappearing as the glaciers melt away. Cryosat should help figure out what i

Fresh water supplies in Asia and south America is disappearing as the glaciers melt away. Cryosat should help figure out what i

admin2013-06-02  52
问题 Fresh water supplies in Asia and south America is disappearing as the glaciers melt away.
Cryosat should help figure out what is happening at the West Antarctic fringe because its radar altimeters should be able to ______.
选项
答案map the steep slopes at the coast
解析 根据题干中的信息词Cryosat和radar altimeters定位到第二个小标题下的倒数第三段，可知Cryosat应该有助于确定南极西部边缘的现状，之前ERS1和ERS2上的雷达测高计都无法绘制出海岸边陡坡的地图，而Cryosat的设备则可以应付咳问题，由此可得答案。
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大学英语六级

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