托福写作高分范文：科技进步带来的新问题

 Nowadays, we have many conveniences in our society which have been brought about through technology and science. However, these same advancements¹ in technology and science have caused some very dangerous problems. These problems will not go away easily because people do not want to give up the conveniences of a modern lifestyle. The most critical problems which should be dealt with immediately are those of pollution.

　　Pollution caused by chemicals is a very serious problem because it causes the loss of the ozone² layer. Without our ozone, not only we ourselves but all plant and animal life are exposed to dangerous rays from the sun. Aerosol³ cans emit chemicals which break down our ozone layer. Refrigeration and air-conditioning systems and cars also have dangerous emissions⁴.

　　Perhaps the most serious threat to the planet is the warming of the earth’s atmosphere, primarily through carbon dioxide emissions. Many scientists think that the warming could be sufficient to melt the polar ice caps, thus raising the sea levels. This would mean that many parts of the world would be submerged below sea level.

　　There are other problems caused by pollution. Factories which make our modern conveniences emit poisonous gases into the air we breathe. The chemicals we use for cleaning and wastes from factories go into our water systems and pollute the water we drink and the fish we eat. They also kill much of the wildlife we depend on for food. Some of the pesticides⁵ we have sprayed on our crops have been found to be dangerous. This kind of pollution may stay in the ground for a very long period of time.

　　In conclusion, the problems created by pollution are growing daily. Because people do not want to change their lifestyles, we must invent a way to neutralize⁶ the pollutants⁷ we are putting into our environment. People need to be educated so they will stop damaging the planet. Furthermore, governments must take action to prevent individuals and companies from harming their environment.

1 advancements   

n.（级别的）晋升( advancement的名词复数 )；前进；进展；促进

参考例句：

• Today, the pace of life is increasing with technological advancements. 当今， 随着科技进步，生活节奏不断增快。 来自《现代汉英综合大词典》
• Great advancements in drought prediction have been made in recent years. 近年来，人们对干旱灾害的预报研究取得了长足的进步。 来自互联网

2 ozone   

n.臭氧，新鲜空气

参考例句：

• The ozone layer is a protective layer around the planet Earth.臭氧层是地球的保护层。
• The capacity of ozone can adjust according of requirement.臭氧的产量可根据需要或调节。

3 aerosol   

n.悬浮尘粒，气溶胶，烟雾剂，喷雾器

参考例句：

• They sprayed aerosol insect repellent into the faces of police.他们将喷雾驱虫剂喷在了警察的脸上。
• Aerosol particles affect visibility,climate,and our health and quality of life.气溶胶对大气能见度、气候变化以及人类健康等有重要影响。

4 emissions   

排放物( emission的名词复数 )； 散发物（尤指气体）

参考例句：

• Most scientists accept that climate change is linked to carbon emissions. 大多数科学家都相信气候变化与排放的含碳气体有关。
• Dangerous emissions radiate from plutonium. 危险的辐射物从钚放散出来。

5 pesticides   

n.杀虫剂( pesticide的名词复数 )；除害药物

参考例句：

• vegetables grown without the use of pesticides 未用杀虫剂种植的蔬菜
• There is a lot of concern over the amount of herbicides and pesticides used in farming. 人们对农业上灭草剂和杀虫剂的用量非常担忧。 来自《简明英汉词典》

6 neutralize   

v.使失效、抵消，使中和

参考例句：

• Nothing could neutralize its good effects.没有什么能抵消它所产生的好影响。
• Acids neutralize alkalis and vice versa.酸能使碱中和碱，亦能使酸中和。

7 pollutants   

污染物质（尤指工业废物）( pollutant的名词复数 )

参考例句：

• Pollutants are constantly being released into the atmosphere. 污染物质正在不断地被排放到大气中去。
• The 1987 Amendments limit 301(g) discharges to a few well-studied nonconventional pollutants. 1987年的修正案把第301条（g）的普通排放限制施加在一些认真研究过的几种非常规污染物上。 来自英汉非文学 - 环境法 - 环境法