備考托福的作文

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托福備考高分作文

The environment is usually changed to benefit human life. Cars and roads make transportation fast and easy, factories make products that make our lives more comfortable, public services in cities like water treatment, electricity, and waste disposal make our lives more convenient. All of these advances, however, come with a significant environmental cost.

Human activity does significant damage to the Earth. One of the main effects of human activity on an area is water pollution. Dumping waste materials from human activity into rivers and streams is popular because the waste seems to disappear downstream. The main sources of water pollution are factory waste, oil and gas runoff from highways, and untreated human waste. When this waste dumped into rivers, the water downstream becomes undrinkable and unusable for agriculture, and also kills plant and animal life in the rivers. Clean air and water is a prerequisite not only for human life, but also for all life on the planet. But air is now being polluted by modern transportation, notably gas-powered automobiles, as well as electrical generators that burn fossil fuels and pour polluting chemical waste into the air. This makes the air much less healthy to breathe. The air-borne pollution also falls back to the earth in the form of acid rain, which destroys plant life and human buildings. Another serious long-term effect of air pollution is global warming.

For the past several decades scientists have noted a disturbing rise in the average temperature of the earth that caused by the rise of greenhouse gases, air pollutants created by burning fossil fuels, in the atmosphere. Scientists believe that if humans continue to increase the amount of greenhouse gases in the atmosphere, the temperature of the earth will continue to rise. Eventually, this could melt the polar ice caps and cause devastating costal flooding all over the world. Major cities like Hong Kong, Shanghai, and Dalian might be totally destroyed.

Therefore, I believe human activity has caused serious problems while it has improved the world in which we live. It is time to realize this hazard and take action to prevent further disaster while making progress.

托福滿分寫作

We live in a world in which every one wants to be successful. Nothing is wrong about the desire to be No. 1, and there is no doubt that being successful is enjoyable. Nevertheless, it is somewhat childish to think we can be finally successful by only doing what we enjoy doing. People often are amazed by the glorious appearance of a skyscraper, however they at the same time forget the fact that the skyscraper had taken a long time to construct, maybe much longer time to design, and possibly even cost people's lives during the constructing process! We may categorize things into two groups, the enjoyable and the unenjoyable; at the same time, another category can be made: the necessary and the unnecessary.

The point is, things that are necessary are not always enjoyable and things that are enjoyable sometimes may be unnecessary. Doing things that are necessary rather than those that are merely enjoyable is not only helpful, but might also be indispensable for individual success. We all admire even envy those who now have attained great achievements, such those famous stars as Jacky Chen, Jet Li. We should, however, be aware of the exorbitant prices they have paid for their present glories. Jacky Chen once told that when he was still a teenager, he and his partners were required to practice more than 12 hours a day; and it was said that Jet Li was sent to be an apprentice when he was hardly four years old!

Apparently, those seemingly cruel hardships have turned out to be the best gifts years later. But for yesterday's struggle, today's glories could not exist. Things that are both enjoyable and necessary or both unenjoyable and unnecessary virtually seldom exist. We may dislike some curriculums in university, such as mathematics or history, but they are necessary; we may prefer leisure times to work days, but the latter are indispensable. Pursuing a successful life is nothing more than making wise decisions, and by "wise" we mean the choice of doing the necessary first.

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