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（顺序选修）英语10三年级《Topic 2 Solar System Unit 2 Space Further Reading Our Solar System》优秀教案
思考导引
How the universe began.
课堂探究
1.Skimming
What is the main idea of the text?
2.Scanning
Which paragraphs are the questions mentioned in?
(1)How old is the earth?
(2)How does the universe begin?
(3)Is there any water in the Mars?
(4)When did dinosaurs disappear?
(5)Which animal is the most important one on the earth?
3.Intensive reading
Task 1 Read the passage carefully and analyse its structure.
Main Body
Task 2 Put the order of development of life into a timeline.
( )1 Insects and amphibians appeared.
( )2 Dinosaurs appeared.
( )3 The earth became a solid ball.
( )4 Small plants grew on the water.
( )5 Reptiles appeared.
( )6 Plants began to grow on dry land.
( )7 The earth was a cloud of dust.
( )8 Water appeared on the earth.
( )9 Shellfish and other fish appeared.