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1、Unit 5 The power of nature,Step 1 Revision,human beings power PK natures power,human beings power,atomic bomb,Natures power,Flood Congzou,GX,July18,2014 Drought Henan,July30,2014,Natural disasters,h,However weak we are,we are not completely weak.,Answer Yes or No to the questionnaire.,active volcano
2、活火山,extinct volcano死火山,dormant volcano休眠火山,A.one that is no longer active at allB.one that may erupt at any timeC.one that is not active at the moment,A,B,C,1.How is a volcano formed?,One plate crashes down into another.The fluid rock becomes hotter and hotter with high pressure.Finally it rushes ou
3、t.Thus,a volcano is formed.,Positive influences,1.It can develop tourism.2.There are some hot springs around it.3.It can give us safe gas.4.The ash can enrich the soil.5.The eruption can form islands.6.The ash cloud could protect us from direct sunshine.7.It can bring us mineral resources.,Negative
4、influences,PeopleThe climateThe flightsThe plants,may injure or die,will be affected(warmer or colder),will be cancelled,will be covered by ash,Summary,Part 1:About the job,Part 2:About the volcano,Part 3:feeling,Para1,2 who,where,what,why,Para 5 enthusiastic,Para3,4.crater,lava,cause damage,experie
5、nce(shaking,sound,fountain,sight),spaceman,make our way to,(Work in pairs),Para 1:Why does the writer say that he has the greatest job in the world?,Para1&2,people,HVO,unusual,outdoors,office,collect,evaluate,predict,protect,save,job,para3vol-cano,A,B,1.According to the 3rd paragraph,the situation i
6、n which picture is more dangerous?Why?,Because the lava buries everything in its path.,Line 25 I was about to go back to sleep when suddenly my bed room became as bright as day.我刚要睡突然我的卧室亮如白昼。本句句式是 be about to do when.即将做/正要做.这时I was about to leave when the telephone rang.I was about to go to bed wh
7、en an unexpected visitor came.即将做某事的表达法：be on the point of doing whenWe were on the point giving up when the army came to our rescue.,When 用作并列连词，引出一个突然 出现的动作，还可以用于以下句型：,Was/were doing when正在做这时Had hardly/scarcely/just done when刚做完这时They were talking and laughing when the teacher came inI had just f
8、inished my homework when the telephone rang.,para 4vol-cano,3.What will the author look like according to the 4th paragraph?,A,B,part 2vol-cano,4.Which one in the picture will most probabaly be the author?,A,B,5.How does the writer feel about volacanoes even after studying them for many years?,A.Ent
9、husiactic B.Bored C.Ashamed,para 5enthu-siasm,Discusion,What is needed if one wants to be a good volcanologist?(adj.),cautious,enthusiastic,brave,careful,calm,helpful,strong-determined,outgoing,optimistic,unselfish,courageous,patient,healthy,passionate,Homework,P63 五课文语法填空P 67-69课时训练,I am a _ workin
10、g for HVO.I_ and _ information as well as help others to _ where lava will flow.I think my job is the most important because I can help _ people from danger of volcanoes.I have experienced a volcano eruption in Hawaii.I was fast asleep when my bed began _ and I heard a _ sound.Then I found my bedroo
11、m was as _ as day,and red lava was _ hundreds of metres into the air.The next day,dressed in special clothes which made us look like _.Two of them _down into the _to collect some lava,while I _ at the top and watched them.Today Im just as _ about my job as before.,volcanologist,collect,evaluate,predict,protect,shaking,strange,bright,fountaining,spacemen,climbed,crater,stayed,enthusiastic,
