《环保主题英语》PPT课件.ppt

Humans,Lynx,operate: (v) 1.run a business, carry out 经营，运作，管理。,eg：Until his death in 1986 Greenwood owned and operated an enormous pear orchard.,2.works or has particular effect, function 工作，其作用，功能,eg: Ceiling and wall lights can operate independently.,（操作，控制，使用 / 动手术 / 作战，执行任务）,One of the differences,Another difference,See the principle of balance,Sense to act on their understanding,Act on: take action, do something,eg：if what he proposes will benefit the company, we will act on it.,Students are asked to act on the dormitory regulations.,The father insists that his son act on the familys routine.,Elephants at the Maesa elephant camp in Chiang Mai province, northern Thailand settle down to a feast of banana trees, sugarcane and fruit in celebration of National Elephant Day,Beetle-mania. In recent years, mountain pine beetles (shown) have been emerging earlier in the summer, spelling bad news for the pine trees they infest and kill (upper left). Credit: Jeffry Mitton,King crabs,Charles Darwin,(1809-1882),He was an English naturalist and author. His Origin of Species (1859) and Decent of Men (1871) exerted a strong impact in the history of Western thought.,A stable balance,A balance that tilts back and forth like a seesaw,better than,1.dump (v): getting rid of abandon remove,2.surplus, (n) There is more than is needed 过剩；剩余；过剩额。,3.alternately (adv) ( of things of two kinds) by turns; first the one then the other.,The answer,is,simple,not,Whether or not the human relationship with nature is necessarily an