2017專四作文預測范文：人類對地球的影響

　　2017年英語專四即將于4.22日開考，新東方在線專四頻道在考前為考生們整理了一系列2017專四作文預測范文，希望考生們在考前多看素材，順利通過專四考試。

　　The environment is usually changed to benefit human life.

　　環境通常是改變人類生活的利益。

　　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.

　　汽車和道路使交通運輸快捷方便，工廠生產的產品使我們的生活更舒適，在城市的公共服務，如水處理，電力，和廢物處理，使我們的生活更方便。

　　All of these advances, however, come with a significant environmental  cost.

　　所有這些進展，但是，有一個顯著的環境成本。

　　Human activity does significant damage to the Earth.

　　人類活動對地球造成重大損害。

　　One of the main effects of human activity on an area is water pollution.

　　人類活動對一個地區的主要影響之一是水污染。

　　Dumping waste materials from human activity into rivers and streams is popular because the waste seems to disappear downstream.

　　從人類活動到河流和小溪的傾倒廢物的材料是流行的，因為廢物似乎消失了下游。

　　The main sources of water pollution are factory waste, oil and gas runoff from highways, and untreated human waste.

　　水污染的主要來源是工廠的廢水、公路的石油和天然氣，以及未經處理的人類廢物。

　　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.

　　當這些廢物排入河流，下游的水就不能喝，不能用于農業，并殺死植物和動物生命的河流。

　　Clean air and water is a prerequisite not only for human life, but also for all life on the planet.

　　清潔空氣和水是人類生活的前提，也是地球上所有生命的先決條件。

　　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.

　　但是，現在的空氣污染正受到現代交通運輸業的污染，尤其是天然氣汽車，以及燃燒礦物燃料的發電機，把污染的化學廢物傾倒在空氣中。

　　This makes the air much less healthy to breathe.

　　這使得空氣更不健康的呼吸。

　　The air-borne pollution also falls back to the earth in the form of acid rain, which destroys plant life and human buildings.

　　空氣污染的污染也以酸雨的形式返回到地球，這破壞了植物的生命和人類的建筑。

　　Another serious long-term effect of air pollution is global warming.

　　空氣污染的另一個嚴重的長期影響是全球變暖。

　　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.

　　在過去的幾十年里，科學家們已經注意到地球的平均溫度上升了一個令人不安的上升，溫室氣體的增加，燃燒礦物燃料產生的空氣污染物，在大氣中。

　　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.

　　科學家認為，如果人類繼續增加大氣中溫室氣體的量，地球的溫度將繼續上升。

　　Eventually, this could melt the polar ice caps and cause devastating costal flooding all over the world.

　　最終，這會融化極地冰蓋和世界各地的沿海洪災造成毀滅性的。

　　Major cities like Hong Kong, Shanghai, and Dalian might be totally destroyed.

　　像港、上海、大連這樣的大城市，可能會被徹底摧毀。

　　Therefore, I believe human activity has caused serious problems while it has improved the world in which we live.

　　因此，我相信人類活動在改善我們生活的世界的同時，也帶來了嚴重的問題。

　　It is time to realize this hazard and take action to prevent further disaster while making progress.

　　是時候認識到這一危險，并采取行動，以防止進一步的災難，同時取得進展。

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