人教版高中英语课件:Unit 4-Astronomy reading(原创) .ppt

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1、Astronomy the science of the stars,Presented by Zhong Qiuqiong,The Sun-Star,The Earth-Planet,The Moon-Satellite,The Solar System,Can you name others?,Mercury,Venus,Mars,Jupiter,Saturn,Uranus,Neptune,The Milky Way,The Universe,Astronomy is the scientific study of the universe and the heaven bodies(su

2、ch as the sun,the moon,and stars),gas,and dust within it.,How LIFEbegan on the earth?,Chinese Mythology,Pangu separated the sky from the earth.,Chinese Mythology,Nuwa made human beings,Bible God created the world,Scientific theory“Big Bang”,1st Reading,Tape,Task 1:Fill in the blanksTask 2:Tell the m

3、ain idea of each para.,“Big Bang”happened_ began to form and combineAfter several billion years The earth:a cloud of _4.5 3.8 billion years agoThe earth:a _ globe;_ appearedMany millions of years later_ started to developAbout 2.6 million years ago_ appeared,Task 1:Fill in the blanks,Atoms,dust,soli

4、d,water,Life,Human beings,Task 2:Tell the main idea of each part,Para 1Para 2Para 3Para 4Para 5,A.The importance of water for lifeB.The formation of the earthC.The arrival of human and their impact on the earthD.A widely accepted theory about the formation of the universe E.The development of plants

5、 and animals on the earth,2nd Reading,Task 1:the formation of the earths atmosphereTask 2:the development of life,Reason:the earth _ loudly with fire and rock.Ingredients:_,nitrogen,water _ and other _.Results:the earth _ down and water began to appear on its _.,Task 1:The formation of The earths at

6、mosphere,exploded,carbon,vapour,gases,cooled,surface,2,1 small plants in water,3 green plants on land,45,6 forests,789,2 shellfish and all sorts of fish,4 insects(on land),5 amphibians(on land and in water),7 reptiles(on land),8 dinosaurs(on land),9 mammals(on land),Task 2:The process of evolution,R

7、evision,_made it possible for life to begin to develop.,Water,Plants encouraged the development of _.,early shellfish and all sorts of fish,Later _ appeared.,land animals,insects,amphibians,When plants grew into forests,_ appeared for the first time.,reptiles,Some huge animals,called _,developed.,di

8、nosaurs,When dinosaurs disappeared,_ became more important.,mammals,small clever animals with hands and feet,Human beings,Too much carbon dioxide,Too hot to live,What will human do?,Discussion,Useful words:environment;pollution;plastic bags;energy;resource(资源)Protect;save;prevent;recycle(回收利用),What can we do for the earth?,Thank you for your time!,

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