托福听力精听讲解（32）

来源：广州从化区新东方雅思托福培训时间：2022/12/16 10:58:50

　　为同学们整理了托福听力精听讲解整理，供考生参考学习。

　　听力填空

　　回复填空答案格式如下：1____2____3____...et.al.

　　Scientists are always on the lookout for ______ sources of energy. Today we're going to discuss one that's so plentiful they say it could supply more energy than all the coal and oil in the world. It's found in something called gas ______ and, believe it or not, that's a kind of ice.

　　That's right. But the water in this ice was way down below the Earth's surface when it was frozen, so it was under a lot of pressure. And trapped inside the crystals of ice are individual molecules of ______ --- that's what's in natural gas.All this makes gas hydrate pretty strange stuff. If you touch a match to a piece of this ice, it'll burst into flame. And when geologists bring a _______ of it up to the surface to study at normal air pressure and temperature, gas hydrate begins to hiss and bubble --- and in less than half an hour, the ice melts and the methane inside escapes into the air.

　　Now, as you might guess, this can make gas hydrate kind of hard for ______ to handle. And then there's the problem of where it's located --- in frozen arctic regions or in ocean waters off the Atlantic coast --- and up to a mile down.Environmentalists warn that mining it could even be disastrous.

　　Offshore drilling could allow seawater to seep down into the huge icy ______ and release tons of methane up into the atmosphere. And methane, our listeners may recall, is a greenhouse gas that could really worsen the problem of global warming.So, gas hydrate may offer some interesting possibilities. But, with all these drawbacks, I'm not going to hold my breath waiting for it to fuel my furnace.

　　【填空答案】

　　1.alternative adj. 供选择的;选择性的;交替的

　　2.hydrate n.水合物

　　3.methane n. [有化] 甲烷;[能源] 沼气

　　4.chunk n. 大块;矮胖的人或物

　　5.miners n. 矿工(miner的复数);煤矿工人

　　6.deposits vi. 沉淀 vt. 使沉积;存放

　　【听力原文】

　　Scientists are always on the lookout for alternative sources of energy. Today we're going to discuss one that's so plentiful they say it could supply more energy than all the coal and oil in the world. It's found in something called gas hydrate and, believe it or not, that's a kind of ice.

　　And when geologists bring a chunk of it up to the surface to study at normal air pressure and temperature, gas hydrate begins to hiss and bubble --- and in less than half an hour, the ice melts and the methane inside escapes into the air.Now, as you might guess, this can make gas hydrate kind of hard for miners to handle.

　　And then there's the problem of where it's located --- in frozen arctic regions or in ocean waters off the Atlantic coast --- and up to a mile down.Environmentalists warn that mining it could even be disastrous. Offshore drilling could allow seawater to seep down into the huge icy deposits and release tons of methane up into the atmosphere.

　　And methane, our listeners may recall, is a greenhouse gas that could really worsen the problem of global warming.So, gas hydrate may offer some interesting possibilities. But, with all these drawbacks, I'm not going to hold my breath waiting for it to fuel my furnace.

　　【听力精解】

　　这篇文章感觉还挺好理解的，就是讲一种冰能源，有甲烷分子的化学成分，讲了它的一系列组成位置和采集方法。

　　提几个有用的需掌握的词：

　　Offshore drilling 海底钻探

　　Environmentalist environment变形加ist表示人，即环境学家，考试经常出现

　　geologist 同上 ist 表示地质学家

　　Atlantic coast 大西洋海岸

　　burst into flame 点火

　　【参考译文】

　　科学家们一直在寻找替代能源。今天我们要讨论是如此丰富，他们说，这可能在世界上提供更多的能量比煤和石油。它的发现被称为天然气水合物，相信它或没有，这是一个冰的权利的一种东西。但在这冰的水是地球表面以下，当它被冻结，所以它是下了很大的压力。和被困在里面的冰晶体的单个分子的甲烷---这是什么在自然气体.这使得天然气水合物很奇怪的东西。

　　如果你触摸到一块这个冰的比赛，它会冲进火焰。和地质学家带来块它表面在正常的空气压力和温度的研究，天然气水合物开始嘶嘶声和泡沫---在不到半小时，冰融化和内部逃逸到空气中的甲烷现在，你可能已经猜到，这可以使矿工处理硬天然气水合物实物。

　　然后还有它位于何处的问题---在冰冻的北极地区，或在离大西洋海岸的海水---一英里down.环境学家警告，采矿，甚至有可能是灾难性的。海上钻探可能使海水渗入的巨大冰冷的存款和甲烷进入大气层释放吨。和甲烷，我们的听众可能还记得，是一种温室气体，可能真的恶化变暖的问题，天然气水合物可能会提供一些有趣的可能性。但是，所有这些缺点，我不会屏住呼吸等待它推动我炉。

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