《学生导纲M3U4》.doc

Unit 4 Astronomy: the science of the stars（教师版） The First Period Warming up Reading I (P25) Step1.Warming up Step2 While-readingCheck of the preview about key phrases 1. 产生; 分娩 _______________________ 2. 阻止; 制止 _______________________ 3.一个广泛接受的学说________________________ 4.连锁反应 _____________________ 5. 是...的基础 ________________ 6. 使某人做某事变得可能________________________ 7. 轮到某人; 接着 _______________________ 8. 下蛋 _______________ 9. 及时; 终于; 迟早_________________ 10. The solar system ___________ 11. in all directions ___________________ 12. as a result of ___________________ 13. block out ___________________ 14. depend on/ upon ___________________ 15. cool down ___________________ Task1 Skimming Read the passage on P25 quickly, and match the right main idea of each paragraph. Para.1 The importance of water for life Para.2 A theory about how the universe was formed Para.3 The formation (形成） of the earth Para.4 The arrival of humans and their effects on the earth Para.5 The development of plants and animals How many parts can we divide the text into?_______________________________________ Part1 (Para.____- Para. ____): _______________________________________ Part2(Para. ____- Para. ____): _______________________________________ Task2 Careful reading I. Read the passage carefully and answer the questions one part by one part. Part1 (Para1~3) The development of the earth How did the earth come into being? After the Big Bang, what happened? _______________ Settled into ___________________ What happened to the solid globe next? ________________________ In time ______________________________________________________ What did the water vapor and gases were to make? _____________________________________________________ What appeared after the earth cooled down? ___________appeared on its surface which is ______________________________________ of life. What did the water do? _________________________________________