人教高中英语必修3Unit4Reading共38张

1、人教版高一英语必修,3,Unit 4,Reading,How Life Began on the Earth,八,大,行,星,你知道吗,水星,Mercury,金星,Venus,火星,Mars,木星,Jupiter,天王星,Uranus,海王星,Neptune,地球,Earth,土星,Saturn,Do you want to know more,information about the,universe,Do you know the origin of,life on the earth,Pangu,separates,the sky,from,the earth,Nvwa makes,h

2、uman beings,God created the world in seven days,Unit 4,How Life Began on the Earth,Please retell the passage according,to the video,oral,practice,speaking,1.The development of the earth(para 1-2,The Big Bang,1) After,the Big Bang,what happened,a cloud of,dust,a,violent,solid,globe,exploded,with fire

3、,and rock,produced,carbon,nitrogen ,water,vapour& gases,Made the earths,atmosphere,Water,appeared,4) What appeared on the earth then,5) What did the water form,oceans,and seas,appeared,水,Water is,fundamental,to the development of life,2.The development of life(para3-4,small,plants,First,early,shellf

4、ish,all sorts of fish,green plants on land,insects,on land,Next,amphibians on land and in,the water,Green plants grew into forests,Later,reptiles,on land,dinosaurs,on land,1) What life developed after forests,appeared,After that,mammals,on land,2) What life developed after dinosaurs,small clever ani

5、mals,3) What life developed after mammals,Finally,任务型学习,match the main idea with each,paragraph,Para. 1 A.The formation,形成,of the earth,Para. 2 B.The importance of water for life,Para. 3 C.A widely accepted theory,the Big Bang,Para. 4,D. The arrival of humans and their,impact on the earth,Para. 5 E.

6、The development of plants and animals,on the earth,Put the right order of development of life into a timeline,1. Insects and amphibians appeared,2. Dinosaurs appeared.3. The earth became a solid ball,4.Small plants grew on the water. 5. Reptiles appeared,6. Plants began to grow on dry land,7. The ea

7、rth was a cloud of dust,8. Water appeared on the earth,9. Shellfish and other fish appeared,10. The universe began with a,Big Bang,11. Clever animals with hands and feet appeared,12 Mammals appeared,Fill in the blanks according to the text,After the,Big Bang,the earth was,just a cloud of dust. It _,

8、loudly with fire and rock, which were,_ to produce the water,vapour, _ and other,gases. Then small plants grew. They,_and filled the oceans and,seas with oxygen,exploded,in time,carbon dioxide,multiplied,Many millions of years later,the,first green plants began to,_on land. When the plants,grew into

9、 forests, reptiles,appeared _,They produced young generally,by _eggs,appear,laying,for the first time,When dinosaurs disappeared,mammals became more _,Now small clever animals,with_ appeared,and _ all over the world,important,hands and feet,spread,As time went by, they covered the,earth and they are

10、 putting too,much carbon dioxide into,the_, which _,heat_ the earth into,space. Whether life will continue,on earth for millions of years to,come will _ whether this,problem can be solved,atmosphere,prevents,from,depend on,Page,33,Discussion,1.Why was the earth different from the,other planets,2.Why

11、 did the plants grow before the,animals came,3.Why is it wrong to show films with,dinosaurs and people together,4.What problem is caused by human,beings,They are putting too much carbon dioxide into the,atmosphere, which,prevents,heat,from,escaping,from the earth into space,The earth may become too hot to live on,The earth is becoming hotter,and,hotter,What do you want to say ,Heal the world,拯救地球,One Earth, One Home,一个地球，一个家园,Heal the world,拯救这世界,Make it a better place,让她变得更美好,For you and for me and the entire,human race,为你、为我、为了全人类,Ho