人教版高中英语必修三unit4 reading公开课

4. There is atmosphere on the moon. F no
Mercury 水星
Venus 金星
Earth 地球
Mars 火星
Jupiter 木星
Saturn 土星
Uranus 天王星
Neptune 海王星
Let’s brainstorm the following questions
the earth’s ___a_t_m_o_sp_h_e_r_e the earth _c_oo_l_e_d_ down
paragraph3
Why is water so important for the beginning of life?
Because water allowed the earth to
Fast reading
1. Match the main idea with each paragraphy.
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.
How did the earth come into being(产生）?
Big Bang
a cloud of __d_us_t_
a solid _b_al_l/_g_lo_b_e
slowly combine
it exploded loudly with __f_ir_e_ and ___r_o_ck
2. It takes the earth one day to move
around the sun.
F a year
3. Earth is the only planet moving
around the sun. F
8 planets
5. The earth is the only planet in the T solar system which has living creatures.
kinds of things in the universe.
盘 古 开 天 辟 地
①
②
③
④
2.Try to put the ⑥
right order of
development of life
on the earth? ? ?
If you want to
⑦
know more, pleas⑤e
turn to Page 25
dissolve harmful gases and acids into
—————————
the oceans and seas.
Paragraph4
What life developed after water appeared?
small plants
early shellfish and all sorts of fish
1. Do you know how the universe began according to chinese culture ? In China, we all know that Pangu separates the sky from the earth.
wenku.baidu.com
Chinese Legends (传说) Pangu separated the sky from the earth. His whole body then turned into all
Pre-reading
Look at title and the pictures. Can you get some information about what we will learn from the text ?
How life begin on the earth Big bang ??? The evolution(development) of life on the earth ??? The text may tell us the ___________ of the earth and the ___________ of life on it.
Careful reading Task one (para 1)
What is the widely accepted theory in Para 1?
The universe began with a "Big Bang" that throw matters...bodies.
Task two (para 2)
Unit 4 Astronomy
the science of the stars
Are you interested in Astronomy ?
Step 1
A quiz on astronomy
Part 1: True or False 1. The earth moves around the sun. T
Humans produce too much carbon dioxide , making the earth too hot to live in.
①
②
③
1
④
6
⑤
7
⑥
4
⑦
2
5
Let’s check whether we put
the right order at first.
green plants
insects and amphibians
forest
reptiles
dinosaurs
mammals
Para 5 Answer question
About 2.6 million years ago
Now
After the clever animals (humans) became important on the earth, what happened?