人教版高中英语必修三unit4reading公开课课件

1、人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)1the science of the stars unit 4 astronomy 人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)2astronomy ?are you interested instep 1a quiz on astronomy人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)33. earth is the only planet moving around the sun.part 1: true or false the ea

2、rth moves around the sun.tf2. it takes the earth one day to move around the sun.4. there is atmosphere on the moon.5. the earth is the only planet in the solar system which has living creatures.a year8 planets nofft人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)4mercury 水星venus金星earth地球mars火星jupiter 木星satu

3、rn 土星uranus天王星neptune 海王星人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)5 do you know how the universe began according to chinese culture ? in china, we all know that pangu separates the sky from the earth.lets brainstorm the following questions人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)6chinese legends (传说传说

4、) pangu separated the sky from the earth.his whole body then turned into all kinds of things in the universe.盘古开天辟地盘古开天辟地人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)72.try to put the right order of development of life on the earth? ? ?if you want to know more, please turn to page 25人教版高中英语必修三人教版高中英语必修三u

5、nit4reading(公开课公开课)8look at title and the pictures. can you get some information about what we will learn from the text ?big bang ?the evolution(development) of life on the earth ?the text may tell us the _ of the earth and the _ of life on it. how life begin on the earth pre-readingpre-reading 人教版高

6、中英语必修三人教版高中英语必修三unit4reading(公开课公开课)9人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)10fast reading match the main idea with each paragraphy.人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)11para. 1 the formation(形成形成) of the earth.para. 2 the importance of water for life.para. 3 a widely accepted theory about the

7、formation of the universe.para. 4 the arrival of humans and their impact on the earth. para. 5 the development of plants and animals on the earth. 人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)12careful reading task one (para 1)what is the widely accepted theory in para 1?the universe began with a big ban

8、g that throw matters.bodies.人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)13a cloud of _ big banga solid _slowly combinethe earth _ downit exploded loudly with _ and _the earths _dustball/globefire rockatmospherecooledhow did the earth come into being(产生）?task two (para 2)人教版高中英语必修三人教版高中英语必修三unit4reading(

9、公开课公开课)14 why is water so important for the beginning of life? ？paragraph3dissolve harmful gases and acids into the oceans and seas.because water allowed the earth to人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)15 what life developed after water appeared?paragraph4 small plantsgreen plants forestearly sh

10、ellfish and all sorts of fishinsects and amphibians reptilesdinosaursmammals人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)16about 2.6 million years agonowhumans produce too much carbon dioxide , making the earth too hot to live in.para 5 after the clever animals (humans) became important on the earth, wha

11、t happened?answer question 人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)171234567lets check whether we put the right order at first. are you right?人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)18task three please read the text again, then put the order of these sentences. ( exercise 2, page 27) insects and amp

12、hibians appeared the earth became a solid ball reptiles appeared. the earth was a cloud of dust. shellfish and other fish appeared. clever animals with hands and feet appeared.人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)19 dinosaurs appeared. small plants grew on the water. plants began to grew on the e

13、arth. water appeared on the earth. the universe begin with a “big bang” mammals appeared.人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)20big bang4.5-3.8 billionmany million years later 2.6 millionnow time events big bangdust solid globewater appearssmall plantsshellfish and fishplants grow on the landinse

14、cts and amphibians reptiles dinosaur mammals clever animalshumans life earth 人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)21sum up the text may tell us the _ of the earth and after _ appear, the _ of life one after another on it. formation water development人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)22in the

15、 last paragraph, we know humans face seriously global warming problem, which is threatening our existence. can you write something to call on us to protect our environment ?discussion 人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)23 the earth we live in is becoming more and more terrible, so we must take

16、measures to deal with it firstly: secondly: thirdly: we hope the environment will become more and more beautiful.sample 人教版高中英语必修三人教版高中英语必修三unit4reading(公开课公开课)24 the earth we live in is becoming more and more terrible, so we must take measures to deal with it firstly, the government should pass laws to prevent people and factories from polluting the environment. secondly, everyone should realize the importance of the problem and try their best to protect the environment and fight against pollution. besides, its a good ideas to plant