温州市永嘉中学楠江校区高二英语人教版必修3：Unit4Astronomythescienceofthestarsreading课件.ppt

;God created the world. ;How life began on the earth; Pre-reading; Word Study;planet;o2;amphibian ;reptile ;mammal;The Big Bang;atmosphere ;1. When water gets hotter and hotter, it will turn into_____________. 2. Students shouldn’t smoke, because it is ___________ to health. 3. If you stop somebody doing something, you ________ him ______ doing it. 4. If you can not live by yourself, you have to ___________ _____ your parents. 5. The news of the Yushu earthquake _________ quickly all over China, so we are very sad. 6. The storm was so _________ that lots of trees were blown down.; While-reading;Main Body;Read the first 3 paragraphs quickly and find out what it is mainly about. ;Read the first 3 paragraphs carefully and find out how the earth developed step by step. ;(1) What happened in the beginning?;(2) What happened several billion years after the Big Bang?;exploded with fire and rock;(4) What did the water vapour and gases form?;Water appeared.;(6) What did the water form?;The development of life;Read the last 2 paragraphs carefully and find out how the earth developed step by step.;Read para4-5 and fill in the blanks;？;？;;;Summary ;Summary ; Post-reading;We have only one earth !!!;Speaking ;You can use the following words or phrases to help you:;Speaking ;;Let’s take part in the activities to save the earth!;Homework ;Thank you!;shellfish in the water;insects on land;mammals