2018-2019版高中英语必修三教学课件(人教版)U4 Reading

金星 火星 Venus Mars 水星 地球 Mercury Earth 木星 木星 Jupiter
天王星 Uranus 土星 Saturn 海王星 Neptune
Mercury 1 Sun Earth 4 Saturn 7 2 3 6 Mars Jupiter 8 Uranus Neptune
5
1. How old is the universe? 2. How old is the Earth? 3. Which were the first creatures or plants on Earth?...
Each religion and culture has its own ideas about how life began on earth. What do you know?
9 10
思
Astronomy is the scientific study of the sun, the moon, stars, planets, etc. in the universe. What interests you in astronomy? Or what any questions that the astronomers are interested in?
Land animals (insects)
grew into forests
reptiles
dinosaurs mammals
Paragraph4 What life developed after water appeared? early shellfish and small plants all sorts of fish amphibians green plants and insects forest
dinosaurs
reptiles mammals
Para 5
About 2.6 million years ago Now
Answer question After the clever animals (humans) became important on the earth, what happened? Humans produce too much carbon dioxide , making the earth too hot to live in.
Unit 4 Astronomy: the science of the stars
导
In our solar system eight planets circle around the sun.
What are they?
Uranus['juərənəs] Venus[ˈvinəs] Earth Mars Mercury['mə:kjuri] Jupiter['dʒu:pitə] Neptune['neptju:n] Saturn ['sætən]
Task two (para 2)
How did the earth come into being(产生）?
Big Bang a solid _______ ball/globe
dust a cloud of _____
slowly combine
fire and _____ rock it exploded loudly with _____ atmosphere the earth’s ___________
Read the whole passage quickly and match the main idea of each paragraph.
Para. 1 The importance of water The formation of the universe The arrival of human beings The formation of the earth The development of plants and animals
Para. 2
Para. 3
Para. 4
Para. 5
Hale Waihona Puke 议、展、评 Task one (para 1)
What is the widely accepted theory in Para 1? The universe began with a with a "Big Bang" that throw matters...bodies.
Pangu separated the sky from the earth. 盘古开天地
Nvwa made humans. 女娲造人
God created the world and human. 上帝创世论
How
life began on the earth
What’s the main idea of the text? A. A brief introduction on how human beings were born. B. A brief introduction on the birth of the universe and life on the earth. C. The “Big Bang” had a great effect on the birth of the earth. D. The appearance of human beings was a disaster to the earth.
cooled down the earth ______
paragraph3
Why is water so important for the beginning of life?
Because water allowed the earth to dissolve harmful gases and acids into the oceans and seas.
Para4: The development of life in water How life developed step by step in water?
esrly shellfish and all sorts of fish
Small plants in the water
Green plants on land amphibians