2024年6月英语六级听力长线备考：Obtaining Fresh Water from Icebergs

2024-01-05 08:25:00来源：网络

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　　都说英语六级听力很难，而且六级听力分值又很大，要想顺利考过六级就必须要解决听力，英语六级听力怎么提高?新东方在线汇总了“2024年6月英语六级听力长线备考：Obtaining Fresh Water from Icebergs”，帮助大家更好地做好考前复习。

　　2024年6月英语六级听力长线备考：Obtaining Fresh Water from Icebergs

　　1.What did scientists warn about fresh water? It will be run out of faster than ..

　　2.What's the difference between icebergs and sea ice? Icebergs are formed entirely ...

　　3.What is mysterious about the movement of icebergs? Sometimes they move in a direction ...

　　4.What is one of technical matters in making use of icebergs? Preventing their ...

　　The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once treated as a joke more appropriate to cartoons than real life. But now it is being considered quite seriously by many nations, especially since scientists have warned that the human race will outgrow its fresh water supply faster than it runs out of food. Glaciers are a possible source of fresh water that has been overlooked until recently. Three-quarters of the Earth’s fresh water supply is still tied up in glacial ice, a reservoir of untapped fresh water so immense that it could sustain all the rivers of the world for 1,000 years. Huge glaciers that stretch over the shallow continental shelf give birth to icebergs throughout the year. Icebergs are not like sea ice, which is formed when the sea itself freezes, rather, they are formed entirely on land, breaking off when glaciers spread over the sea. As they drift away from the polar region, icebergs sometimes move mysteriously in a direction opposite to the wind, pulled by subsurface currents. Because they melt more slowly than smaller pieces of ice, icebergs have been known to drift as far north as 35 degrees south of the equator in the Atlantic Ocean. To corral them and steer them to parts of the world where they are needed would not be too difficult. The difficulty arises in other technical matters, such as the prevention of rapid melting in warmer climates and the funneling of fresh water to shore in great volume. But even if the icebergs lost half of their volume in towing, the water they could provide would be far cheaper than that produced by desalinization, or removing salt from water.

　　以上就是“2024年6月英语六级听力长线备考：Obtaining Fresh Water from Icebergs”，希望可以给大家在学习的时候带来帮助。

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