英语作文　温室效应

有英文的作文With the development of economy, more and more greenhouse gases are being discharged into the air. CO2 makes up about 70% of the greenhouse gases, which is considered to be one of the greatest causes of global warming. It has harmful effects, causing the sea level to rise and many natural disasters to strike.

So we must take effective measures to save our planet. First, we should use more clean energy and less coal and oil. Second, we should go to work on foot or by bus instead of driving a car if possible. Third, we should plant more trees, because plants can turn CO2 into oxygen. More importantly, we should form the habit of saving energy in our daily life.

请以“吸烟的危害”为主写一篇英语短文，谈谈你对吸烟危害的看法。

Smoking does harm to health.

Mang people around us have developed the habit of smoking,and some of them are even addictted to it.But they don't what price would they pay for that.

The tobacco would produce lots of harmful and poisonous smoke after it is lighted up.And the smoker breathe thoses poisonous and hot smoke right into their lungs through the respiratory tract.This cause a huge hurtness to the both respiratory tract and lungs.And people who smoke are more possibly to get a cancer and some related diseases.

So I suggest you to be away from the cigarette and cherish your health.