身旁有电脑的同志帮帮忙 搜一篇核能利与弊问题的英语作文 150词 急!

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匿名用户
2013-11-06
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Nowadays, energy can be obtained through various sources such as oil, coal, natural gas, solar heat, wind, etc. But the conventional energy like oil, coals are being used up rapidly, and solar heat can't become widely used immediately for technological reason. In my opinion, unclear energy will take the place of conventional energy, because people now can control this energy freely, and unclear energy is non-polluting, inexhaustible, and it's much safer than coal and oil. Coal and oil are burned, they also produce many harmful gases, and the air has been seriously polluted by such gases, which will threaten people's living environment. And many accident happened because of the wrong use of such energies.
However, such things can't happen when we use nuclear energy, Though when the nuclear leaks out, it will do great harm to people' s health and the environment. We can do enough work to avoid such things, and limited such things at a low percentage.
I believe if we use the nuclear energy in the right way, it will provide us enough energy without doing any harm to us.
匿名用户
2013-11-06
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核能发电不像 化石燃料 发电那样排放巨量的污染物质到大气中,因此核能发电不会造成空气污染。
* 核能发电不会产生加重地球温室效应的 二氧化碳 。
* 核能发电所使用的铀燃料,除了发电外,没有其他的用途。
* 核燃料 能量密度比起化石燃料高上几百万倍,故核能电厂所使用的燃料体积小,运输与储存都很方便,一座1000百万瓦的核能电厂一年只需30公吨的铀燃料,一航次的飞机就可以完成运送。
* 核能发电的成本中,燃料费用所占的比例较低,核能发电的成本较不易受到国际经济情势影响,故发电成本较其他发电方法为稳定
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