大学英语四级作文预测押题是最后冲刺时期很多考生的救命稻草，四级作文预测押题虽然有帮助，但是大家也不要赌上全部，该复习的还是要复习，基础打好才是王道。新东方在线分享四级英语作文预测系列，下面是图画作文，大家看看，仅作参考。
Directions: For this part, you are allowed 30 minutes to write a short essay based on the picture blow. You should start your essay with a brief account of the impact of air pollution and then suggest how to make the air cleaner. You should write at least 120 words but no more than 180 words.
From the picture above, we can see that people are coughing in the polluted air. With air pollution worsening than before, pm 2.5 has become a usual word for us. Needless to say, people do not like this word, as the content the word represents does great harm to people’s health.
As the polluted air does affect our health, we should take some measures to make the air cleaner. On the one hand, we should take mass transit instead of driving a car. According to a recent study, vehicle exhaust is a main source of air pollution, so if vehicle exhaust reduces, the air will become cleaner. On the other, more trees should be planted to absorb the tiny dust in the air, which surely will make the air cleaner.
Protection of the environment needs constant efforts by every people on the planet. Only in this way can we have cleaner air and more livable environment.
