最终UnitHowlifebeganontheearth阅读PPT学习教案

1、会计学1最终最终(zu zhn)UnitHowlifebeganontheearth阅阅读读第一页，共49页。盘古盘古(Png)开开天辟地天辟地Saying 1separated第1页/共49页第二页，共49页。女娲补天女娲补天(n w b tin) Nuwa mended the heaven and _human beings.Saying 2created第2页/共49页第三页，共49页。 God _the world in seven days.Saying 3created第3页/共49页第四页，共49页。The development of Human from_.Saying 4

2、monkey第4页/共49页第五页，共49页。 Life was brought to the earth by ET from _space. Saying 5outer第5页/共49页第六页，共49页。qHow the earth come into beingqThe problem of the earth caused by human beingqHow the human being build the earthqHow the life developed on the earthTask1 Fast readingRead the passage quickly and f

3、ind out the answers to the questions below.第6页/共49页第七页，共49页。Task1 skimming 2.How did the universe begin according to a widely accepted theory?The universe began with a Big Bang. Task1 Fast reading第7页/共49页第八页，共49页。Task1 skimming Whats the main idea for each Para?Para.1Para.2Para.3Para.4Para.5A theory

4、 about how the universe began The arrival of humans and their impact（影响(yngxing)） on the earthThe importance of water for lifeThe development of plants and animals on the earthThe formation(形成(xngchng) of atmosphereand water on earthTask2 careful reading第8页/共49页第九页，共49页。To be honest, none of us know

5、s how the earth began because it happened too long ago.True Judge True or FalsePara.1Task3 Careful reading 第9页/共49页第十页，共49页。Para.1How did the Big Bang create the universe?First of all , it _ matter in all _.After that , _ began to _.Then, atoms _ to create _and _ .threwdirectionsatomsformcombinedsta

6、rsother bodies第10页/共49页第十一页，共49页。Para.21. What is the original earths atmosphere made up of?carbon, nitrogen, water vapour, and other gases第11页/共49页第十二页，共49页。The origin of life on the earth is an interesting question. It was a widely accepted _ that the universe began with a “Big Bang”, after which

7、the earth was _. Between 4.5 and 3.8 billion years ago it settled into a solid _. The earth was very_ and exploded loudly with fire and rock. they were in time to produce carbon, nitrogen, water vapor and other gases, which were to make the earths _. Then as the earth cooled down, water appeared. th

8、eorya cloud of dustglobeviolentatmosphereFill in the blanks:Para.2第12页/共49页第十三页，共49页。1. What makes the earth different from the other planets in the solar system? A. It produced a lot of heat. B. C. Water disappeared. D. It was the oldest planet.The continued presence of waterPara.3第13页/共49页第十四页，共49

9、页。2. How did water help life develop?Water allowed the earth to _ harmful gases and acids into the oceans and seas, producing a_.dissolvechain reactionPara.3第14页/共49页第十五页，共49页。栖类）栖类）7.mammals(哺乳类哺乳类)Look at the pictures and tell the groups .Para.4第15页/共49页第十六页，共49页。7.mammals(哺乳哺乳类类) Study of the gro

10、ups of life Look at the pictures and tell the groups .第16页/共49页第十七页，共49页。7.mammals(哺乳哺乳类类)Study of the groups of life (生命的种类生命的种类(zhngli)/物种物种)Look at the pictures and tell the groups .第17页/共49页第十八页，共49页。7.mammals(哺乳哺乳类类)Study of the groups of life (生命的种类生命的种类(zhngli)/物种物种)Look at the pictures and t

11、ell the groups .第18页/共49页第十九页，共49页。7.mammals(哺乳哺乳类类)Study of the groups of life (生命生命(shngmng)的的种类种类/物种物种)Look at the pictures and tell the groups .第19页/共49页第二十页，共49页。7.mammals(哺乳哺乳类类)Study of the groups of life (生命的种类生命的种类(zhngli)/物物种种)Look at the pictures and tell the groups .第20页/共49页第二十一页，共49页。7

12、.mammals(哺乳哺乳类类)Study of the groups of life (生命生命(shngmng)的种类的种类/物种物种)Look at the pictures and tell the groups .第21页/共49页第二十二页，共49页。7.mammals(哺乳哺乳类类)Study of the groups of life (生命的种类生命的种类(zhngli)/物种物种)Look at the pictures and tell the groups .Human beings第22页/共49页第二十三页，共49页。Use the sentence in the

13、text to describe the picture:They are putting toomuch carbon dioxideinto the atmosphere,which prevents heat from escaping from the earth into space.Para.5greenhouse effectThe earth may become too hot to live on .第23页/共49页第二十四页，共49页。 Finally about_ million years ago somesmall_ animals_, but they put

14、lots of carbon into the atmosphere, _ heat escaping from the earth into space. As a result of it, life on earth is i_d_. appearedpreventingn angercleverSummaryPara.52.6第24页/共49页第二十五页，共49页。Group competition 1 2 5 4 3 6第25页/共49页第二十六页，共49页。How the earth came outa cloud of _ Big Banga solid _slowly comb

15、inethe earth _ downit exploded loudly with _ and _waterthe earths _Filling exercise(Para.1-2)(6)dustball/globefire rockatmospherecooled第26页/共49页第二十七页，共49页。How life began on the earthwater 1. 2. 10. 3. 4. insects (on land)5. 6. 7._8. dinosaurs (on land)9._ 11._ small _ in water_ and all sorts of fish

16、green plants on land _(on land and in water)forests (on land) (on land)small clever animals with _Filling exercise(Para.4)(7)plantsshellfishamphibiansreptilesmammalshands and feethuman beings第27页/共49页第二十八页，共49页。Questions:1) How did water come into being on the earth?(Para.2)(2)2) The explosion of th

17、e earth produced water vapour, which turned into water when the earth cooled down.It allowed the earth to dissolve harmful gases into oceans and seas.第28页/共49页第二十九页，共49页。Translation It was not immediately obvious that water was to be fundamental to the development of life.(4)水会对生命的发展起关键作用，这一点(y din)

18、在当时并不明显。第29页/共49页第三十页，共49页。In some films and stories, we can see dinosaurs and people together. Is it right? Why?(Para.4)(4)Because dinosaurs died out long before human beings developed on the earth.第30页/共49页第三十一页，共49页。A.insects and amphibians appear B. reptiles appearC. shellfish and other fish appear D. dinosaurs appear E. small plants grow on the water F. plants begin to grow on landG. Mammals (including humans) appear Put them in a correct order!Para.4ECFABDG(4)第