Lesson3ScientificBreakthroughs (2).doc

Unit 20 Lesson 3 Scientific Breakthroughs 学案Lead-in：（略）While-reading:Task 1 Fast reading: get the main idea.1The purpose of this article is _.A. the introduction of Albert EinsteinB. the introduction of the process of scientific breakthroughC. the introduction of a few pioneers and their scientific discoveries in the 20th century D. the contributions scientists made to the world2. Figure out the structure of the text Part 1 ( Para _-_ ) Introduction Part 2 ( Para _-_ ) Body( five scientists & their achievements) Part 3 ( Para _ ) ConclusionTask 2 Fill in the tableTimeNameDiscoveryHow to discoverInfluenceAlbert EinsteinChange understanding of universeEdwin Hubbleproved the universe _Alexander Fleminga lucky accidentEckert & Mauchly Not mentionedPercy Spencer by chanceTask 3 Draw out a mind-map according to your understanding of the passage.Task 4 Judge true ( T ) or false ( F ) or no information ( NI ).1. Einstein was at work when he thought of the equation “E=mc2 ”. ( )2. Einstein participated in the program that developed the nuclear bomb. ( )3. Hubble studied the universe for over twenty years. ( )4. Hubble discovered that our galaxy is bigger than we thought it was. ( )5. Fleming had been studying bacteria in his laboratory when the discovery happened. ( ) 6. There was a blue mould around the bacteria in the dish. ( )7. The first computer project failed to meet its original goal. ( ) Post-reading: Write a short passage according to the following clues. You can add some information yourself. An introduction of Alipay历史：2013年马云创办名称：以阿里巴巴命名使用方法：扫描二维码（QR code），网上支付账单影响：便利，双赢，受益 _ _ _ _ _ _ _ _ _ _Homework:1. Polish the passage of the intr