飞机限制问题
Automobiles produce less pollution than do airplanes. Automobiles also consume less fossil fuel. Therefore it is necessary to restrict some flights. Do you agree or disagree with this opinion?
The argument that the flights should be restricted is invalid. Clearly, it is unconvincing to compare the volume of pollutants an airplane produces with that generated by an automobile, because an airplane is shared by many passengers while an automobile is usually for one or, at the best, several passengers.
Suppose a visitor drives 1,000 miles, burning 100 liter gasoline and emitting 10 cubic meter carbon dioxide, this very passenger is totally responsible for such an environment problem. But to what extent should another passenger, who travels the same distance by air, take environment responsibility? If the airplane consumes 10,000 liter gasoline and produces 1000 cubic meter carbon dioxide and if altogether 300 passengers share the flight, then traveling by air causes less environmental damage.
Another thing must also be in the list of consideration: the time. Traveling by air saves time. The point is that even if traveling by automobiles consumes less energy and produces less pollutants, traveling by air has a variety of reasons. For instance, a patient is transported by air from where she is injured to the hospital.
The opponents might argue that this is not the unnecessary flights. Nevertheless it is ambiguous and vague to use such a term. How to define an unnecessary flight? Is there a legal or generally accepted criterion against which the feature of a flight can be clearly and correctly labeled as necessary or unnecessary? Nay.
Therefore, the argument mentioned in the topic is neither logically sound nor practically significant.
GMAT考试分项突破指导:GMAT作文
GMAT写作:GMAT作文模板锦集(5)
备考牛人分享GMAT写作复习攻略
GMAT写作范文模板:理想和现实(1)
GMAT作文提升方法概述
GRE作文素材剖析
GMAT写作范文精选:Argument例文(17)
GMAT写作范文模板:公司盈利与社会责任
GMAT写作:GMAT作文模板锦集(3)
GMAT写作范文模板:理想和现实(3)
GMAT写作范文模板:不同领域的交流(2)
GMAT写作范文精选:Argument例文(24)
SAT OG官方指南Senctence Completion练习题二
GMAT写作范文模板:新与旧
GMAT写作范文模板:不同领域间的交流(1)
GMAT考试备考策略全解:作文
GMAT写作范文精选:Argument例文(18)
GMAT写作范文模板:统一和分歧(4)
GMAT写作:GMAT作文模板锦集(2)
如何在短期内突破GMAT作文
文章阅读模拟题之accidental-death
GMAT写作范文精选:Argument例文(26)
GMAT写作:GMAT作文模板锦集(1)
SAT OG完成句子练习题(一)
GMAT考试成功法则之作文篇
GMAT写作范文模板:理想与现实(2)
GMAT作文备考心得分享:学会总结
GMAT写作范文模板:统一和分歧(1)
GMAT作文考试必背经典句(1-10)
GMAT写作范文精选:Argument例文(33)
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |