Greenhouse effect

If a person receives the air pollution the harm, in the short time does not have the special symptom, therefore, also caused the people to neglect its risk frequently. Air pollution often in invisible, silent, without interest, corrodes our mucous membrane, the lungs, the nervous system, the skeleton organization gradually.

After ozone layer destruction, will cause the humanity to avoid ultraviolet ray's injury with difficulty. The excessive ultraviolet ray injury, will destroy humanity's immune system, will cause skin cancer and cataract's occurrence. Moreover excessively many ultraviolet rays can strengthen the greenhouse effect, causes the global climate and the ecological environment change. If has not been able to suppress the ozone layer to continue to destroy, the humanity bound certainly will faces the inevitable catastrophe.

Relieve Stress

In modern society,it is easy for people to feel stressed.There are many way to relieve stress.First of all,you can plan time to exercise.Physical exercise can burn off your frustrations from stressful situation.Secondly, you can spendtime with parents and friend.Thirdly, being alone for a while also helps to relieve stress.And last but not least, don't take any druds in order to fight stress without a doctor's prescription because it may be dangerous.So it's important to find healthy way to relieve your daily stress.

My favorite season

Winter,my favorite season. Without the rain of spring, the scorching heat of summer and the typhoons of fall, winter is a cool and refreshing quarter. Several holidays are in winter, such as Christmas and New Year.Therefore,winter is a time for people to get together.