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ther suddenly _____________ . Details Main Idea Causes of Earthquakes six different plates jump Para. 4 Fill in form Paragraph 4 Pacific plate American plate Eurasian plate Indian plate African plate Antarctic plate ★ San Francisco Paragraph 4 Pacific plate ↖ American plate San Francisco ● ’s the main idea? can we reduce the damage? something about “The Big One”? Ways of reducing damages of earthquakes and “The Big One” First, don’t build houses along the lines where two of the earth’s plates join together。 2. Review Lesson 26 and 27. 。 Fastreading Prereading Revision listening Practice Retelling Discussion Homework out the dialogue the dialogue begin with “Carl will never fet the big earthquake in 1989. He said…” Tangshan, Hebei July 28th, 1976 Read the text as quickly as possible, find the main idea of the passage. Two of the biggest earthquakes in San Francisc