earthquakes-全文預(yù)覽
【正文】 ake is felt. As a result of the movement of these plates, west America near the sea has always been a bad place for earthquakes. When the1906 earthquake happened, the pacific plate jumped 56 metres to the north. The outside of the earth is made of _______________ . Two of the earth’s plates which join together 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。 second, build houses on rock not on sand。 2. Review Lesson 26 and 27. 。t destroy the whol
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