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发表于 2011-8-30 22:00:48
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来自: INNA
题: Some believe that air travel should be restricted because it causes serious pollution and use up the world "fuel resource",to what extent, do ou agree and disagree.
Air travel is much more affordable to general public and it causes some pollutions and consumes the world "fuel resource" .Some believe, therefoe, air travel should be restricted. As far as I concerned, I hold that air travel should not be limited.
Admittedly, air travel produces air and noise pollution on the world. Petrol is main source to airplane and burning of petrol emits a great deal of carbon dioxide which greatly contributes to global warming. Also airplanes make great noise to local community. That is the reason why airports are built faraway from the residential area.
But it doesn't mean that air trip should be limited.As we all know, burning coal also makes severe air pollution,but it is still be widely used on the world as one of the most common energy resource.So does the "fuel resource".
Furthermore,There are many measures have been taken to reduce the pollution caused by airplane, such as replacing airplanes' engines and installing noise absorber.Hence,the pollution has alreday been cut down on large scale. What is more, airplanes emit corban dioxide hundreds feet above floor makes less impact than cars.
It is absurd for some to agrue that air trip should be limited on the ground that it may uses up all the energy. According to survey, airplanes only consume 10% resource amongst all the energy in the world. So it is impossible to use out all the resource.
In conclusion, it its ridiculous for some extremists to calm that airplanes use up all the resource. Although air trips cause some noise and air pollution, they should not be limited.
请3WU及其他TZ帮忙看下这个结构可以吗,第二段是不是有点没有切入正题??
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