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,*,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,*,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,*,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,*,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,*,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,*,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,*,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,*,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,*,*,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,*,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,*,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,*,*,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,*,*,Lesson 3,Natural Disasters,Lesson 3,Look at the following pictures and what are happening in the pictures?,Look at the following pictures,earthquakes,earthquakes,droughts,droughts,tsunami,tsunami,floods,floods,volcanic eruptions,volcanic eruptions,hurricanes,hurricanes,forest fires,forest fires,typhoon,typhoon,landslides,landslides,What do you think causes the disasters,people or nature?,Discussion,unnatural,What do you think causes the d,高二英语-natural-disastersppt课件,Read the text again and answer these questions:,1.What is the attitude of the journalist towards the future?,Pessimistic.,2.Who are most likely to be the,victims,of natural disasters?,Poor people.,Read the text again and answer,3.,Why,are there now more hurricanes,floods and droughts?,Overpopulation and mismanagement of the worlds resources.,3.Why are there now more hurr,4.Why are volcanoes and earthquakes more dangerous now?,Because half the worlds population lives in cities within range of volcanic eruptions and earthquakes.,5.What could be the biggest threat to the planet in the future?,A volcanic eruption.,4.Why are volcanoes and earth,6.What effects might this threat have?,It might plunge the planet into,winter for years.,6.What effects might this thr,Fill in the blanks about the text.,In the last _ years,there are more and more disasters such as _,_,windstorms,earthquakes,_,volcanic _and _ fires all over the world.,Why are so many disasters?One of the reasons is over-_.,ten,floods,droughts,typhoons,eruptions,forest,population,Fill in the blanks about the t,_ addition,_ change and the spectre of global _ caused by the mismanagement of the worlds resources can lead to the disasters or make them worse.,In,climate,warming,_ addition,_ change and,At present,volcanoes and earthquakes are more _ with the fast _ of people.Earthquakes take the lives of 1.6 million,People in the last hundred years.What is worse,the disaster professionals predict that the things will get _.,dangerous,growth,worse,At present,volcanoes and eart,Language Points,Language Points,Important phrases,1.on record,2.result in,3.wipe out,4.turn on,5.at the rate of,6.quantities of,7.for instance,记载下来的，有记录的,产生。结果，导致,区别于,result from,消除，毁灭,打开，攻击，袭击,以,速度,at the speed of,大量,a quantity of,for,example,Important phrases1.on record,8.within the range of,9.at risk,10.in some degree,11.plunge into,12.on top of,在,范围内,有危险，冒险,在某种程度上说,使陷入，遭受。,in addition,8.within the range of 在范围内有危,With,的复合结构,:,with+n./pron.+adj./adv./prep phrases/n/doing/done/to do,with+object+object complement,With,的复合结构在句子中可以做,伴随状语,也可以做,原因状语,和,后置定语,With 的复合结构:,e.g.He walked along,with his head down/with his face red,He is waiting for you,with a magazine in his hand.,With you monitor in my class,I will be in charge of the class easily.,e.g.He walked along with his,高二英语-natural-disastersppt课件,With nothing to do,I will go to the cinema.,With his work finished,he went back home.,He lay there,with his eyes looking at the sky.,Who lives in the room,with the light on?,With nothing to do,I will go,(1),他站在那里,手被帮在一棵树上。,He stood there,with his hands tied to a tree.,(2),他头高昂着走了进来,.,He came in with his head high.,(1)他站在那里,手被帮在一棵树上。,wipe out:,(1)get rid of/remove:,清除,除去,e.g.,Wipe out,these unhappy things between you and her.,(2)destroy completely:,毁灭,消灭,e.g.At last,the army led by Mao Zedong,wiped out,the enemies.,A disease almost,wiped out,the population of the island.,wipe out:e.g.At last,the ar,risk:,vt.,/,n.,冒险,e.g.You are to take,risks,to get what you want,but you must not,risk,your life!,at risk,处于危险之中,作表语或者状语,risk:vt./n.冒险,at/take/run the risk of,冒,的危险,He saved my life,at the risk of,losing his own.,They were ready to,run/take the risk of,being taken prisoner by the enemy.,at/take/run the risk of,risk it:,冒风险试试,I dont dare to,risk it,its too dangerous.,risk it:冒风险试试,plunge:,vt./vi.,投入,(,某物,),使陷入,;,突入,Dont,plunge,your hand into cold water.,What,plunged,the country into the war?,plunge:vt./vi.,result in,:have as a consequence,造成,的