1、,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,本资料仅供参考,不能作为科学依据。谢谢。本资料仅供参考,不能作为科学依据。本资料仅供参考,不能作为科学依据。谢谢。本资料仅供参考,不能作为科学依据。,Unit 11 Environment,Jevin Leo,1/31,Bay,2/31,3/31,perfume/fragrance,azalea,zeilj,杜鹃花,4/31,Tons of,Household,/,Domestic,Rubbish/Waste/garbage/Trash,5/31,Water lily/Lotus,6/31,7/31,8/
2、31,9/31,10/31,11/31,Give off,12/31,Smog-covered city,13/31,14/31,15/31,16/31,17/31,18/31,gas mask,19/31,Acid Rain Formation,NO,2,so,2,20/31,the stonework of Lincoln Castle in Lincolnshire,England,Oh,Ive lost my handsome face,21/31,Where has my nose gone?,Oh,look,the,sphinx,has no nose,Thats the resu
3、lt of acid rain,22/31,弟兄们衣服都被你们扒光了!,23/31,We cant,survive,without trees on this planet.,24/31,一棵树价值几何?,教授对一棵树算了两笔不一样账:,一棵正常生长,50,年树,按木材价值计算,最多值,300,多美元,,但假如按照生态效益来计算,其价值就远不止这些。,据粗略测算,一棵生长,50,年树,每年能够生产出价值,31250,美元氧气和价值,2500,美元蛋白质,同时能够减轻大气污染(价值,62500,美元),涵养水源(价值,31250,美元),还能够为鸟类及其它动物提供栖息环境(价值,31250,美元),这些价值综合在一起,一棵树价值就不是,300,美元了,而是,20,万美元。,25/31,So,lets,do,something to help ourselves,survive,on the earth!,26/31,Snow leopard,27/31,Rhinoceros/Rhinos,28/31,Grizzly,29/31,30/31,31/31,