雾霾天气_英语介绍.ppt

1、hazy weather (雾霾天气),Lets see some pictures to know the present situation,Popular Science 大众科学,相对湿度 relative humidity,雾Fog,霾Haze,90%,80%,能见度 visibility,1km,1km-10km,1.Terrifying 恐怖 Hang in there！忍一下,2. Fearless 无畏 Whatever doesnt kill you simply makes you stronger！ 杀不死你的会让你更强大！梅花香自苦寒来！,3. Ridicule 调侃

2、Dust and smog is crazily thick! Be strong and do not breathe!,The longest distance in the world is that I couldnt see Chairman Mao even though I am right in front of the Tiananmen! 最远的距离是站在天安门前却看不到毛主席！,What cause the haze?,What cause the haze?,1.The low atmosphere.The air does not flow，then the smal

3、l particles in the air gether quickly.,What cause the haze?,2.The dusty road and the low air humidity(空气湿度).Cars and people will stir the dust to the air.,What cause the haze?,3.With the growing number of the cars,much more pollutant let out 4.The pollutants discharged by winter heating. 5.high-rise

4、 buildings influence air circulation which leads to air eddy,Damage,The most we concern is how it hurts us.1.It may has a bad effect on our cardiocascular (心血管的) and cerebrovascular (脑血管的)system including hypertension(高血压),coronary heart disease(冠心病),angina(心绞痛), myocardial infarction(心肌梗塞) and hear

5、t failure(心脏衰竭),Damage,2.Ultraviolet rays will be cut down and that will make the germs more infected. The air will be full of dust bacteria and viruses. So the respiratory system(呼吸系统) may be damaged.,Damage,3. Influence psychological health.Due to the low pressure, pepple will have a sence of temp

6、erament.The dim light may make people feel lazy and depressed.,Damage,4.Traffic is effected. The haze reduces the vision. The worse is that the traffic will be much busier and the possible of accident will raise up.,Go out wearing masks,Do not open the window in the haze (不要开窗),Light diet and drink plenty of water （饮食清淡多喝水）,What we should eat better?,tomatoes,garlic,persimmons,pears,Plant trees to increase green areas,We are all in this together! We shall survive and thrive together! 同呼吸，共责任！,thank you!,That is all,