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1、Unit 4 Astronomy: the science of the stars,Humor Appreciation:,Reading For Fun1. A banker is a fellow who lends you his umbrella when the sun is shining, but wants it back the minute it begins to rain.2. I didnt attend the funeral, but I sent a nice letter saying that I approved of it.3. A classic i
2、s something that everybody wants to have read and nobody wants to read.4.When I was younger, I could remember anything, whether it had happened or not.5. A lie can travel halfway around the world while the truth is putting on its shoes. -By Mark Twain,水星,金星,地球,火星,木星,土星,天王星,海王星,Warming-Up:,The Sun,A
3、map of the solar system,幂王星,No one knows exactly how the earth began, as it happened so long ago.There are many religion and culture have its own ideas about how life began on the earth , do you know any of these stories?,Brainstorming:,In Chinese culture,_ separates the sky from the earth.,Pangu 盘古
4、,sky,earth,Brainstorming:,_ gave birth to human beings.,Nvwa (女娲),Brainstorming:,The Sky,_created the world and all living things.,God,In western countries:,Brainstorming:,The tales from the Bible,Do you know what a scientific idea is?,Myth 1. The universe began from the Big Bang.,Brainstorming:,Myt
5、h 1._,Q1. Whats the main idea of the video?,Summary:,How Life Began On The Earth,P. 25-27 Ss B III,Fast-Reading:,Para. 1 : A widely accepted _ about the _ of the universe.Para. 2 : The _ of the_.Para. 3 : The _of _ for life.Para. 4 : The _ of _and _ on the earthPara. 5 : The _ of _ and their impact
6、or _on the earth.,theory,formation,formation,earth,importance,water,development,plants,animals,arrival,effect,humans,Stage 1: The development of the earth,Q1. After the Big Bang, what happened?Q2. What happened next?Q3. What did water vapor and gases make?Q4. What appeared on the earth then?,Careful
7、-Reading:,Q1. After the Big Bang, what happened?,a _of dust,a violent solid_,Careful-Reading:,Stage 1,cloud,ball,_with fire and rock,produced _ vapor and _,Q2. What happened next?,Careful-Reading:,Stage 1,exploded,water,gases,Q3. What did water vapor and gases make?,the earths _,Careful-Reading:,Sta
8、ge 1,atmosphere,_ appeared important for the _of life on the earth,Q4. What appeared on the earth then?,Careful-Reading:,Stage 1,Water,beginning,Q1. What life developed after water appeared?Q2. What life developed in water next?,Stage 2: The development of life in water,Careful-Reading:,arrival of s
9、mall _ in water,Q1. What life developed after water appeared?,Early _,Careful-Reading:,Stage 2,plants,shellfish,all sorts of_,Q2. What life developed in water next?,Stage 2,Careful-Reading:,fish,Q1. What life developed after the life in water?Q2. What life developed next on land?Q3. What life develo
10、ped after forests appeared?Q4. What life developed after dinosaurs?,Stage 3: The development of life on land,Careful-Reading:,green _ on land,_ on land,Q1. What life developed after the life in water?,Careful-Reading:,Stage 3,plants,insects,_on land and water,Trees into _,Q2. What life developed nex
11、t on land?,Stage 3,Careful-Reading:,amphibians,forests,_ on land,_on land,Q3. What life developed after forests appeared?,Stage 3,Careful-Reading:,reptiles,dinosaurs,_ on land,Q4. What life developed after dinosaurs?,Stage 3,Careful-Reading:,mammals,_ came into being,Stage 4: The development of huma
12、ns,Q1.What life developed after mammals?,Careful-Reading:,humans,Comprehension:,How Did Life Develop On The Earth?,water,Plants in the water,Shellfish and fish,Plants on land,1,2,3,4,Insects and amphibians,Reptiles,Mammals,5,6,7,Human beings,8,Whats the writing style of the text?,A. Narrative 记叙文B.
13、Explanation 说明文C. Essay 散文,11111111111111111111111111111,111111111111111111111111111,1. 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. Dinos
14、aurs 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.New Order: _ _ _ _ _ _ _ _ _ _ _ _,10,7,3,8,4,9,6,1,5,2,12,11,Comprehension:,Ex. 2P.27 Ss B III,Q1. What problems are human b
15、eings causing in our daily life?,Post-Reading:,_is _ faster,Ice,melting,_is giving off,carbon dioxide,CO2,Describe the picture:What are humans doing on the earth?,Put intoPrevent from3. may become too to,carbon dioxide,the atmosphere,heat,escaping from the earth into space,The earth,hot,live on,Post
16、-Reading:,Without other livings, we human cannot live anymore.,We should do our best to protect it !,We have earth.,only,one,Post-Reading:,Q3. What can we learn from the text?,Key Words:,1. The universe began with a Big Bang that threw matter in all directions. begin with/start with; end with / end
17、up in doing in all directions = in every direction 四面八方，四下(溃逃) matter vi. 关系大, 重要 事情(C) It matters little how much money you have given away. What really matters is not what you say but what you do. Karl Marx once said: Matter first, Consciousness second. He asked me what was the matter with Tom. Th
18、is was a matter of life and death to him at that time. Never think of these matters again, forget them all.,Key Words:,2. What it was to become was uncertain until between . be to do 表按计划、安排将要做某事或将来注定的结果。 He is to become a great thinker if he insists on. We are to meet Tom and Jack in Wuhan on this
19、Sunday. We were about to leave when the rain poured down. be to do 表“命令、禁止” You are not to go out without permission on weekdays. You are to hand in the paper before the bell rings. be to do 表示“注定要”或“应该” All these wrongs are to be answered for. What is to be done in time of a fire alarm? be to do 说明
20、“主语内容” My job today is to teach you new words in Unit 5 .,Key Words:,3. They laid eggs too and existed on the earth for more than 140 million years. lay laid laid laying V. 产蛋;摊开;铺设;放置 lie lied lied lying V. 撒谎;说谎 lie lay lain lying V. 躺,位于,坐落于 I never have a table laid in my room because it is too
21、small. She lied to us that the temple lies at the foot of a hill. There exists/stands/lives/lies/used to be a . There once existed dinosaurs on the earth long long ago. There once lived a poor man and his His theory didnt come into existence until the 1900s. They cant exist on the money he is earnin
22、g.,Key Words:,4. Some small clever animals appeared and spread all over the earth. spread spread spread vt. 扩散 Qin huohuo is to blame for spreading rumors in the crowd. The path spreads around the hill up to the top.Tom spread the map on the table for us to have a close look. The news of his winning
23、 the game spread out widely.,Clauses:,1. No one knows exactly how the earth began.2. What it was to become was uncertain until billions years ago when the dust settled into a solid globe.3. The earth became so violent that it was not clear whether the shape would last or not.4. They were in time to
24、produce.and other gases, which were to make the earths atmosphere.5. What is even more important is that (as the earth cooled down,) water began to appear on its surface.6. It was not immediately obvious that water was to be fundamental to the development of life.,Varieties of Clauses:,7. What many
25、scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and.8. This produced a chain reaction, which made it possible for life to develop.9. They multiplied and filled the oceans and seas with oxygen, which encouraged the later development of early shel
26、lfish10. Why they suddenly disappeared still remains a mystery.11. They are putting .into atmosphere, which prevents heat (from) escaping from the earth into space. 12. So whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved. (= the coming/following millions of years.),Suppose you were the earth, what would you advise humans to do?Write a letter to the human being in the name of the earth.,Homework:,