2019-2020学年英语高中人教版必修3学案:Unit 4 Period 1文本研读课
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1、Unit 4 Astronomy:the science of the starsPeriod 1 文本研读课学习目标1.Understand the theory about the origin of the universe and life on the earththe “Big Bang” theory.2.Learn to concern about the future of life on the earth.思考导引How the universe began.课堂探究1.SkimmingWhat is the main idea of the text?2.Scannin
2、g 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 readingTask 1 Read the passage carefully and analyse its struc
3、ture.Main Body1:2:3:4:5: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 cl
4、oud of dust.( )8 Water appeared on the earth.( )9 Shellfish and other fish appeared.( )10 The universe began with a “Big Bang”.( )11 Clever animals with hands and feet appeared.( )12 Mammals appeared.Task 3 After reading the passage,discuss the following questions.1.Why was the earth different from
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