Unit 14 Quakes Renew the Planet.ppt

Unit 14 Deadly and Yet Necessary, Quakes Renew the Planet Unit 14 Deadly and Yet Necessary, Quakes Renew the Planet 教学建议： 本章重点：掌握课文中的词汇和短语；了解一些有关地震的专用术语和常识。 本章难点：地震方面的知识与词汇。 课时安排：精读4学时。 ☆ Pre-reading Activities ☆ Passage Exploration ☆ Post-reading Activities Unit 14  Deadly and Yet Necessary, Quakes Renew the Planet Pre-reading Questions 1. Can you list some natural disasters? Does it ever occur to you that natural disasters bring benefits as well? 2. What happened in the Indian Ocean on Dec. 26, 2004? 3. What do you know about the earthquakes in China? Background Information ☆ William J. Board ☆ The 2004 Indian Ocean Earthquake ☆ Plate Tectonics ☆ Dr. Donald J. DePaolo ☆ Dr. Frank Press ☆ Rare Earth (Copernicus, 2000) ☆ Understanding Earth (Freeman, 2004) William J. Board He is a senior writer at The New York Times and with colleagues there has twice won the Pulitzer Prize as well as an Emmy. For three decades, he has covered topics ranging from biology and geology to astronomy and nuclear arms. He is the author or coauthor of six books, most recently Germs: Biological Weapons and Americas Secret War, a number-one New York Times bestseller. His books have been translated into more than a dozen languages and his work featured in The Best American Science Writing 2005. He holds a masters degree in the history of science from the University of Wisconsin and lives with his wife and three children in Larchmont, New York. The 2004 Indian Ocean earthquake Known by the scientific community as the Sumatra-Andaman earthquake, it was an undersea earthquake that occurred at 00:58:53 UTC (07:58:53 local time) on December 26, 2004. According to the United States Geological Survey, the earthquake and its tsunami killed more than 283,100 people, making it one of the deadliest disasters in modern history. Various values were given for the magnitude of the earthquake, ranging from 8.0 to 9.3 (which would make it the second largest earthquake ever recorded on