高一英语必修三unit4reading
The earth is becoming hotter and hotter
• What can we do to prevent the earth from becoming hotter and hotter?
Eg.What we can do is to save energy. • What we can do is to…
1.What life developed after water appeared? small plants appears in water
2.What life developed in water next? Shellfish and all sorts of fish
3.What about the life on land? green plants began to grow on land insects appeared
6.What life developed after dinosaurs? mammals on land
7. What life developed after mammals? small clever animals
1.Who are the small clever animals with hands and feet? 2. Are they taking care of the earth well? Why?
Because water allowed the earth to dissolve harmful gases into oceans and seas.
Repeat
How did the earth come into being? 1. Big Bang 2. a cloud of dust 3. A solid globe
reptiles
Can you put the order of development of life into a time line?
8 1. Insects and amphibians appeared. 3 3. The earth became a solid ball. 9 5. Reptiles appeared. 2 7. The earth was a cloud of dust 6 9. Shellfish and other fish appeared. 12 11. Clever animals with hands and feet appeared 10 2. Dinosaurs appeared. 4.Small plants grew on the water. 7 6. Plants began to grow on dry land. 4 8. Water appeared on the earth 1 10. The universe began with a “Big Band”. 11 12. Mammals appeared. 5
4. What life developed next on land?
amphibians on land and in the water forests
5.What life developed after forests appeared?
reptiles appeared dinosaur developed
summary
• After the “big bang”, the earth was still dust just a cloud of _______,it exploded _______loudly with fire and rock, in time to produce which were _____ carbon the_________, water vapour and other water gases. Then ________ began to appeared on the earth.
(4) What appeared as the earth cooled down?
water is important for the beginning of life on the earth.
Water appeared
Why is water so important for the beginning of life?
Can you fill in the blanks?
plants
2
animals
sellfish and all sorts of fish insects
1 small plants in water
3 Green plants on land
4 5amphibians
6 forests
7 8 dinosaurs 9 mammals 10 humans
The small plants in water are considered ____________ to be the earliest lives on the earth. The O2 shellthey supplied encouraged the lives of____ -fish and fish Slowly green plants grew on __________. land animals land, which were followed by __________ amphibians When the plants like insects & ________. forests ______ reptiles appeared. Then grew into______, dinosaurs _______ developed but disappeared later, which made the rise of a totally different mammal possible, and finally humans animal,______, _____ spread all over the world.
Because 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 .
(2) What happened next? exploded with fire and rock produced water vapour and gases
(3) What did the water vapour and gases form?
the earth’s atmosphere
6. cooled down
7. water appeared
8. Dissolved harmful gases and acid
Hangzhou Foreign Languages School
Bao Xiaoming
seagreatbao@
Stage2 The development of life
Unit 4 reading
How Life Began on the Earth
Pangu separates the sky from the earth
The Goddess Nvwa mended the heaven and created human beings from the clay(粘土).
God created the world in seven days
match the main idea of each paragraph
Paragraph 1:
d
c a b e
a. b.
The importance of water for life The development of plants and animals on the earth The formation of the earth A widely accepted theory about the formation of the universe
4. exploded with fire and rock
5. produce the water vapour, carbon dioxide---atmosphere
Hangzhou Foreign Languages School Bao Xiaoming seagreatbao@
Stage 1 : The development of the earth (para 1—3) Stage 2 : The development of life (para 4—5)
Stage 1: The development of the earth (1) After the Big Bang, what was the earth like? a cloud of dust a solid globe
Paragraph 2:
Paragraph 3:c. d.Paragraph 4:
Paragraph 5:
e. The arrival of humans and their impact on the earth
Detailed reading
This text can mainly divided into two stages
必修三Unit4Reading How Life Began on the Earth
B. 木星 Jupiter ______
C. 火星 ______ Mars D. 水星 Mercury ________
E. 海王星 Neptune _______
Pluto(冥王星)? a dwarf planet
1111
In our solar system eight planets circle around the sun.
The Solar System
In our solar system eight planets circle around the sun.
The Solar System
Can you name the eight planets?
Earth A. 地球 ______ Saturn F. 土星 ________ G. 天王星 Uranus _______ H. 金星 ________ Venus
solar energy
plant trees
B3 Unit 4 Reading：How life began on the earth
Warming up
Chinese Legends (传说)
Pangu separates the sky from the
earth.
His whole body then turns into all
Greenhouse effect
discussion
the earth may become too hot
putting too much carbon dioxide into the air
No life will be on the earth
As a student, what little things can we do for the earth?
人教版高中英语必修三unit4-reading
Task 2 Finish the following time table
About 2.6 million years ago
Clever animals
appeared
65 million years ago
The age of the
Many millions
dinosaurs ended
The origin of life on earth is a question that interests astronomers.
Do you want to know the fact?
Reading: How life began on the earth
Task 1 Fast Reading
earth.
P3
C. How the earth formed.
P4
D. How the plants and animals on the earth
developed.
P5
E. It is widely accepted that the universe
began with a “Big Bang”.
J. The universe began with a “Big Bang”. 1
K. Clever animals with hands and feet appeared. 12
L. Mammals appeared. 11
Task 4 Work in pairs and think about the following questions.
1.Why was the earth different from the other planets?
高中英语必修三unit4-reading(公开课)
2. 2. Do you know how life begins on the earth?
Let’s enjoy a video first.
①
②
③
④
Try to put the ⑥
right order of
development of life
Timeline Several billion years after the “ big bang ”
between 4.5 and 3.8 billion years ago
Many millions of years later About 2.6 million years ago
Ok, next we will read the text according to time
Careful reading
Task one
Read the text again, tell me how the author organizes the text?
According to time Ok, please quickly find the time from the text.
Tip:
Firstly, you can find the key words of each paragraph
Para. 1 Para. 2 Para. 3
Para. 4 Para. 5
The formation(形成) of the earth. The importance of water for life. A widely accepted theory about the formation of the universe. The arrival of humans and their impact on the earth. The development of plants and animals on the earth.
人教高中英语必修3Unit4 reading(共33张PPT)
Day 7: God rested and blessed this day calling it Holy.
Scanning
Read the passage quickly and answer the questions.
1. When did the “Big Bang” happen? It happened several billion years ago.
2. What form was the earth after the “Big Bang”? The earth was still just a cloud of dust.
3. Why is it wrong in films and stories to show dinosaurs and people together? Because dinosaurs died out long before human beings developed on the earth.
6. What problem is caused by human beings? They cause global warming.
IV. True (T) or False (F). 1. The earth appeared before the Big
Bang happened. F 2. The original atmosphere consisted of
人教课标版 高一必修3
Unit 4
Reading HOW LIFE BEGAN ON THE EARTH
Warming up
人教版高中英语必修3Unit4Reading(共58张PPT)
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The first small plants multiplied and filled the oceans and
seas with oxygen. This encouraged the 4._______________
(indseevcetlso，p)roepf teialerslyasnhdeldlfinisohsaadnudresfvaisnehd.lLosaopnodmnaanepimnpeatalsre5d.
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produceCdarbon dioxide,
_n_it_r_o_g_e_n_,_w_a_t_e_r_v_a_p_our
and _g_a_s_e_s_
19
(3) What did the water vapour and gases form?
the earth’s _a_t_m_o_s_p_here
15
Careful reading
Read the passage carefully and finish the following tasks.
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Detailed Reading The development of the earth
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Stage 1: The development of the earth (1) After the Big Bang, what happened?
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summary
• After learning the text, we can use a sentence to sum up this passage.
新课标人教版必修三Book3 Unit4 reading
Q2：What’s the significance of the
presence of water on the earth?
It allowed the earth to dissolve harmful
gases and acids into the oceans and seas.
3. Fill in the blanks in the following form. Time Big Bang What happened Atoms ______ began to form and combine to create stars and other bodies.
• The future of the earth:
And human beings put too much carbon dioxide into the ________, which ______heat ______ atmosphere prevents from escaping from the earth into space. As a result, the problem of ________occurs. Whether life hot will continue on the earth for million of years to come will________ whether this problem depend on can be solved.
人教高中英语必修3Unit4reading(共26张PPT)
The change of gravity
on the moon
disappearing
gravity
in space
strong
on the earth
very light
The change of my weight
on the moon
heavy
weight
in space
no weight
Time order (structure) while after places
What should we write in detail? activities
feelings
Before going Time order While visiting
After visiting
where when who what
how
Retell
Last month I visited the moon with my friend. Before we left, I was told the force of g_g_r_a_v_ity would change three times on our journey. Then we took off. As we left the earth, I became very h_ea_v_y__. Gradually the weight le_s_s_e_n_e_d_. When I was in space, it d_d_is_a_p_p_e_a_r_e_d. We f__f_lo_a_t_e_d weightlessly in the cabin and I c_h_e_er_e_d_u_p_. When I was on the moon, I was surprised to find out even walking needs lots of practice n_n_o_w__th_at gravity changed. The returning of the earth was very fr_i_g_h_t_e_n_in_g_. We were amazed to watch fire b_re_a_k_ o_u_t__ on the outside of the ship.
人教版英语必修三Unit 4(Reading)教案(反思)
How Life Began on The Earth教学内容：人教版高中英语必修3第四单元阅读Ⅰ. Teaching important and difficult points:1. Enable the Ss to master the main idea of the text.2. Get the Ss to understand how to finish the exercises of the text.Ⅱ. Teaching aims:Knowledge aims:1. Let the Ss master the key words.2. Lead Ss to learn the usage of useful sentence structures.Ability aim:Develop the Ss’reading ability and let them use some reading strategies such as skimming, scanning, and so on.Emotional aims:1. Enable the Ss to understand how life began on the earth.2. Get the Ss to be aware of the importance of protecting our earth.渗透法制教育: 在上课过程中给学生渗透与《中华人民共和国环境保护法》相关的内容。
Ⅲ. Teaching methods:Task-based teachingDiscussionCooperative learningⅣ. Teaching procedureStep 1 LeadingUse a short film to lead the Ss to understand the origin of life on the earth.Step 2 Pre-readingAccording to the development of life, let the Ss divide the text into several parts, then ask them to finish the following questions.1. How many parts are there in the passage?2. What dose each part mainly talk about?Step 3 While-reading1. How many steps are there before the earth formed?2. How many steps are there during the development of life?3. Read the whole text and fill the following blanks.Nobody knows how the earth , however, there are a widely accepted , the universe began with a which threw matter in all directions. At that time, the earth was still a cloud of ,after that, the earth had become with its atmosphere, which formed with dioxide, nitrogen and so on. And thenalso appeared on the earth, which was fundamental to development of life.After many millions of years, the first extremely small began to appear, later the early and all sorts of fish also appeared in the water. And then different plants and animalson land. Later the huge animals, called , appeared.Finally some clever animals with and feet appeared, they become the most important animals on the . However, they may let the earth become too to live on.4. Finish the following exercises according to the whole text.(1) why was life able to develop on the earth but not on other planet?A. The earth had a solid shapeB. The earth did not have harmful gases in its atmosphere.C. The water stayed on the earth but not on other planets.D. The earth was not too hot.(2) why was it necessary for plants to grow before animals?A. Animals needed plants to protect them from the sun.B. Plants provided oxygen for animals to breath.C. Animals could hide from hunters in the forest.D. It was easier for plants to grow.(3) what is the correct order according to the text?①The clever animals with hands and feet appeared andspread to grow.②The “Big Bang”.③Small plants began to appear on the surface of the water.④65 million years ago of the dinosaurs ended.A. 2 1 3 4B. 4 3 1 2C. 2 4 3 1D. 2 3 4 1(4)What is the main idea of the text?A. The formation of the earth.B. The humans let the earth become too hot to live on.C. The development of dinosaurs.D. The origin of life on the earth.Step 4 Post -readingRead the text and do the true-or-false questions.(1) Human beings have known the origin of the earth clearly so far. ( )(2) the appearance of water made it possible for plants and animals to live on the earth.( )(3) Plants first appeared on land and then in the water.( )(4) Dinosaurs existed on the earth for over 140 thousand years. ( )(5) It is human beings that are not looking after the earth very well and have caused global warming.( )Step 5 Summary1. How the earth formed .2. The development of life on the earth.3. The earth needs us to take care of it.Step 6 Homework1. Please retell the passage in your own words.2. Finish the exercises in your books.教学反思：本堂课总体达到了预期的教学效果，有不少亮点，但是其中也有许多的不足。
高中英语 必修三 unit4 reading 课文语法填空
Although scientists try to make sure nothing goes wrong, accidents can still happen. All the astronauts on the USSR’S Soyuz 11 and Americas Challenger died during their missions. These disasters made everyone sad and disappointed, __b_u_t__the desire to explore the universe never died. This is __b_e_c_a_u_se_ peБайду номын сангаасple believe in the importance of carrying _o_n____ space exploration despite the huge risks. _A_n____ example of this ongoing work is the International Space Station. It orbits Earth and has astronauts from different countries on board providing a _c_o_n_t_i_n_u_o_u(scontinue) human presence in space.
China’s space programme started later _t_h_a_n____those of Russia and the US, but it has made great progress in a short time. China became _t_h_e___ third country in the world toin_d__ep__en__d_e_n_tl(ydependent) send humans into space in 2003, when Yang Liwei ______s_u_c_c_e(sssufucclleyss) orbited Earth in the Shenzhou 5 spacecraft. Then Shenzhou 6 and 7 completed a second __________(mmaannn)eodrbit and the first Chinese spacewalk, _________(followe)dby the vehicle Jade Rabbit being sent to the moon to study its surface.
人教版高中英语必修三unit4-reading(公开课)
If you want to
⑦
know more, please⑤
turn to Page 25
7
第七页，共26页。
PPrree-readingg
Look at title and the pictures. Can you get some information about what we will learn from the text ?
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,
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第二十二页，共26页。
Sample
The earth we live in is becoming more and more terrible, so we must take measures to deal with it
Firstly:
Secondly:
Thirdly:
We hope the environment will become more and more beautiful.
it’s a good ideas to plant trees to improve the environment.
We hope our earth will become more and more beautiful.
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第二十四页，共26页。