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托福写作科技进步类论证素材

2018-01-23 11:09:00 编辑:无 浏览:(225次)

为了帮助托福考生更好地备考,取得理想成绩。环球教育内蒙古分校小编整理了托福写作科技进步类论证素材。

Some people think that theautomobile has improved modern life. Others think that the automobile hascaused serious problems. What is your opinion? Use specific reasons andexamples to support your answer.

有些人认为汽车改进了生活,另外有些人认为汽车产生了严重的问题。你的观点如何?(参考回答)

一、汽车造成的问题

1 汽车是主要的空气污染源

段落大意:汽车尾气是空气的重要污染源,会加剧温室效应,降低空气质量。

Automobiles are the leading causeto America's air pollution problem. Cars release toxic emissions that damageour environment, hurting our environment by adding to the greenhouse effect,damaging air quality, and decreasing the ozone, not to mention the growing smogproblems,disasters done with landfill and the effects done to our water supply,which all are connected with the greenhouse effect, ozone depletion, and airquality.

2 温室气体的排放增加温室效应

段落大意:汽车尾气会加剧温室效应,造成气温上升,生物死亡等后果。

Cars damage our environment by theemissions released from the combustion system of an automobile. Toxic gasesweaken the atmosphere allowing for more infrared rays to enter. Having moreinfrared rays reflected on the Earth warms the Earth, raising the temperature,causing certain vegetation life to die off, the snow caps to melt. Carbondioxide and carbon monoxide are two greenhouse gases that damage our Earth'satmosphere. Reducing the amount of these greenhouse gases will greatly helpcontrolling these effects.

3 汽车尾气对于人体有健康隐患

段落大意:汽车尾气所含危害人体健康成分,会对人体健康造成很大伤害。

Cars release 30 percent of thecarbon dioxide in the earth's air. Carbon dioxide is released from the tailpipeof a car and can do much damage to the human respiratory system. Every time anautomobile burns a gallon of gasoline it releases 22 pounds of carbon dioxide.Carbon monoxide is also a damaging greenhouse gas. Cars account for 76 percentof the carbon monoxide in the earth's air.


二、汽车的益处

1 汽车给出行带来便利

段落大意:汽车为人们的交通出行提供了便利条件。

Transportation plays a veryimportant role in America. The automobile is the main form of transportation inAmerica, connecting people from point 'A' to point 'B'. America is covered withroads that transport cars and people could across such areas from the islandsof the Florida Key's to under the mountains of the Colorado Rockies. Cars offerfast reliable transportation, offering drivers access to anywhere with roads.

2 政府应该鼓励公共交通发展

段落大意:政府应该鼓励公共交通事业的发展。

Cars might be seen as a fast andfree way to travel, but at whose expense. There are solutions to fix thisproblem, Americans can support mass transit, electric sources oftransportation, or choose other forms of transportation that do not harm theenvironment. One day in the future we will laugh at how we would stand aroundand admire the deep hum of a car’s tailpipe. Not caring about

how the emissions released damagedour lungs, and environment. Massive change must be addressed, reducing theamount of driving time around America. This would benefit every citizen andgenerations to come. The creation of the automobile has dug America a deephole. This hole can not be filled in or hidden up. This hole can and willendanger human’s life in the near future.

However America can choose to stopdigging this hole, we can choose to select alternatives. In hope that MotherNature can one day replenish its goodness to the way it was meant to be.

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