必修三unit4完整版课件

,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,*,Reading,Unit 4,Astronomy:,the science of the stars,Reading Unit 4 Astronomy: the,What do you know about astronomy?,Lead-in,What do you know about astrono,What are in the pictures?,What are in the pictures?,Is there life on the moon?,Neil Armstrong (1930 ), USA,.,He landed on the moon in July 1969.,Is there life on the moon?Neil,1.,In our solar system eight planets circle around the sun. What are they? Can you name them with your partners? Then match the names with the planets?,Look at the picture and work in pairs. Then check your answer with other pairs.,Warming up,1. In our solar system eight p,Mercury,水星,Venus,金星,Earth,地球,Mars,火星,Jupiter,木星,Saturn,土星,Uranus,天王星,Neptune,海王星,Mercury水星 Venus金星 Earth地球Mars火,2. What interests you in astronomy? Do you know any questions that astronomers are interested in? Discuss in groups of four and then each group leader reports the ideas to the whole class.,2. What interests you in astro,Pre-reading,1.,Read the title and look at the pictures.,Think about these questions, share with your partner and then with the class:,1) What do you know about the origin of life on earth?,2) Do you know how life began on earth is explained in different religions and cultures?,Pre-reading1. Read the title a,必修三unit4完整版课件,2. Read the text quickly to check if the idea in the text is different from those you have already known about.,2. Read the text quickly to ch,Read the,text,quick,ly and,write down the main idea for each paragraph,.,Task 1: Skimming,While,-reading,Read the text quickly and writ,A widely accepted theory,about the formation of the universe,The formation of the earth,The importance of water,for life,The development of plants,and animals on the earth,The arrival of humans and,their impact on the earth,A widel,Work in pairs.,P,ut the order of developmentof life into a timeline,first according to your common sense, and then according to the reading passage,.,Task 2: Scanning,While,-reading,Work in pairs. Put the order o,Big Bang,A cloud of dust,Atmosphere,The earth,A solid ball,water,Big BangA cloud of dust Atmosp,water,Plants in the water,Shellfish and fish,Plants on land,waterPlants in the waterShellf,Insects and amphibians,Reptiles,Dinosaurs,Mammals,Insects and amphibiansReptiles,humans came into being and spread all over the world.,10,7,3,8,4,9,6,1,5,2,12,11,1.,Insects and amphibians appeared.,3.,The earth became a,solid ball.,5.,Reptiles appeared.,7.,The earth was a cloud of dust.,9.,Shellfish and other fish appeared.,11.,Clever animals with hands and feet appeared.,2. Dinosaurs appeared.,4. Small plants grew on the water.,6. Plants began to grow on dry land.,8. Water appeared on the earth.,10. The universe began with a Big Bang.,12. Mammals appeared.,1073849615212111. Insects and,Read the text carefully and t,hink about what you have read and discuss these questions in pairs.,Task 3: Close reading,While,-reading,Read the text carefully and th,1.,Why was the earth different from the other planets?,Because water remained on the earth.,2.,Why did the plants grow before the animals came?,Because plants provided oxygen for animals to breathe.,3.,Why is it wrong to show films with dinosaurs and people together?,Because dinosaurs died out long before human beings developed on the earth.,1. Why was the earth different,4.,There used to be nine planets in the solar system.,Recently scientists have decided that one of them can no longer be considered a planet.,Do you know the name of that planet?,Do you know why they removed it?,The name is Pluto. Scientists now think it is too small to be called a planet.,5.,What problem is caused by human beings?,Human beings cause global warming.,4. There used to be nine plane,