最終UnitHowlifebeganontheearth閱讀PPT學(xué)習(xí)教案

1、會(huì)計(jì)學(xué)1最終最終(zu zhn)UnitHowlifebeganontheearth閱閱讀讀第一頁(yè)，共49頁(yè)。盤(pán)古盤(pán)古(Png)開(kāi)開(kāi)天辟地天辟地Saying 1separated第1頁(yè)/共49頁(yè)第二頁(yè)，共49頁(yè)。女?huà)z補(bǔ)天女?huà)z補(bǔ)天(n w b tin) Nuwa mended the heaven and _human beings.Saying 2created第2頁(yè)/共49頁(yè)第三頁(yè)，共49頁(yè)。 God _the world in seven days.Saying 3created第3頁(yè)/共49頁(yè)第四頁(yè)，共49頁(yè)。The development of Human from_.Saying 4

2、monkey第4頁(yè)/共49頁(yè)第五頁(yè)，共49頁(yè)。 Life was brought to the earth by ET from _space. Saying 5outer第5頁(yè)/共49頁(yè)第六頁(yè)，共49頁(yè)。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頁(yè)/共49頁(yè)第七頁(yè)，共49頁(yè)。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頁(yè)/共49頁(yè)第八頁(yè)，共49頁(yè)。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（影響(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頁(yè)/共49頁(yè)第九頁(yè)，共49頁(yè)。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頁(yè)/共49頁(yè)第十頁(yè)，共49頁(yè)。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頁(yè)/共49頁(yè)第十一頁(yè)，共49頁(yè)。Para.21. What is the original earths atmosphere made up of?carbon, nitrogen, water vapour, and other gases第11頁(yè)/共49頁(yè)第十二頁(yè)，共49頁(yè)。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頁(yè)/共49頁(yè)第十三頁(yè)，共49頁(yè)。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頁(yè)/共49頁(yè)第十四頁(yè)，共49

9、頁(yè)。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頁(yè)/共49頁(yè)第十五頁(yè)，共49頁(yè)。棲類(lèi)）棲類(lèi)）7.mammals(哺乳類(lèi)哺乳類(lèi))Look at the pictures and tell the groups .Para.4第15頁(yè)/共49頁(yè)第十六頁(yè)，共49頁(yè)。7.mammals(哺乳哺乳類(lèi)類(lèi)) Study of the gro

10、ups of life Look at the pictures and tell the groups .第16頁(yè)/共49頁(yè)第十七頁(yè)，共49頁(yè)。7.mammals(哺乳哺乳類(lèi)類(lèi))Study of the groups of life (生命的種類(lèi)生命的種類(lèi)(zhngli)/物種物種)Look at the pictures and tell the groups .第17頁(yè)/共49頁(yè)第十八頁(yè)，共49頁(yè)。7.mammals(哺乳哺乳類(lèi)類(lèi))Study of the groups of life (生命的種類(lèi)生命的種類(lèi)(zhngli)/物種物種)Look at the pictures and t

11、ell the groups .第18頁(yè)/共49頁(yè)第十九頁(yè)，共49頁(yè)。7.mammals(哺乳哺乳類(lèi)類(lèi))Study of the groups of life (生命生命(shngmng)的的種類(lèi)種類(lèi)/物種物種)Look at the pictures and tell the groups .第19頁(yè)/共49頁(yè)第二十頁(yè)，共49頁(yè)。7.mammals(哺乳哺乳類(lèi)類(lèi))Study of the groups of life (生命的種類(lèi)生命的種類(lèi)(zhngli)/物物種種)Look at the pictures and tell the groups .第20頁(yè)/共49頁(yè)第二十一頁(yè)，共49頁(yè)。7

12、.mammals(哺乳哺乳類(lèi)類(lèi))Study of the groups of life (生命生命(shngmng)的種類(lèi)的種類(lèi)/物種物種)Look at the pictures and tell the groups .第21頁(yè)/共49頁(yè)第二十二頁(yè)，共49頁(yè)。7.mammals(哺乳哺乳類(lèi)類(lèi))Study of the groups of life (生命的種類(lèi)生命的種類(lèi)(zhngli)/物種物種)Look at the pictures and tell the groups .Human beings第22頁(yè)/共49頁(yè)第二十三頁(yè)，共49頁(yè)。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頁(yè)/共49頁(yè)第二十四頁(yè)，共49頁(yè)。 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頁(yè)/共49頁(yè)第二十五頁(yè)，共49頁(yè)。Group competition 1 2 5 4 3 6第25頁(yè)/共49頁(yè)第二十六頁(yè)，共49頁(yè)。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頁(yè)/共49頁(yè)第二十七頁(yè)，共49頁(yè)。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頁(yè)/共49頁(yè)第二十八頁(yè)，共49頁(yè)。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頁(yè)/共49頁(yè)第二十九頁(yè)，共49頁(yè)。Translation It was not immediately obvious that water was to be fundamental to the development of life.(4)水會(huì)對(duì)生命的發(fā)展起關(guān)鍵作用，這一點(diǎn)(y din)

18、在當(dāng)時(shí)并不明顯。第29頁(yè)/共49頁(yè)第三十頁(yè)，共49頁(yè)。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頁(yè)/共49頁(yè)第三十一頁(yè)，共49頁(yè)。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