Unit 2 Welcome to the unit -高一英语同步精品课件（译林版2020必修第三册）

Welcome to the unit Unit 2 Natural disasters 2008 Wenchuan earthquake in China 2008 Wenchuan earthquake in China The earthquake struck China’s Sichuan Province on May 12, 2008. The earthquake was measured at 7.9 on Richter scale and killed about 87,000 people. It left millions of people homeless. Thousands of them were buried under the rubble of crushed communities. Factories, schools, homes were collapsed and it took troops and rescue teams significant amounts of effort to reach areas of southwestern China. Hurricane Andrew of 1993 About 250,000 people were left homeless in Dade County alone. There were 26 deaths. 25,524 homes were destroyed and 101,241 others damaged. 2011 Tōhoku earthquake and tsunami It was the most powerful earthquake ever recorded in Japan, and the fourth most powerful earthquake in the world. the Japanese National Police Agency report confirmed 15,899 deaths, 6,157 injured, and 2,529 people missing. What other types of natural disasters do you know about? typhoon flood What other types of natural disasters do you know about? wildfire/ forest fire sandstorm What other types of natural disasters do you know about? tornado tsunami What other types of natural disasters do you know about? pests insects drought Saying Nature is kind of a loving mother, but also a butcher in cold blood. — Victor Hugo Video time Plates moving underground can cause an earthquake, which is __________________ of the earth’s surface. When a volcano erupts, ___________, volcanic ash and even rocks escape through a large opening at the top. A large amount of __________________ falling down a hill or mountain is called a landslide. Welcome to the Unit a sudden shaking hot gases earth and rock How many small earthquakes happen every year? Several million small earthquakes. What can the volcanic gas and ash cause? They can cause acid rain and even storms. 3. What are landslides often caused by? Heavy rainfall, earthquakes, volcanic eruptions or othe