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课件网) 了来害 灾 Reading & Writing Unit 7Natural Disasters Learning objectives knowledge objectives ability objectives emotional objectives To learn words and phrases about natural disasters and human activities. To be able to describe the relationship between natural disasters and human activities. To establish the awareness of protecting the environment. 目录 Reading Writing CONTENT Homework Warming up 1 2 3 4 Warming up Part 1 Natural Disasters What can you see from the video What can you see from the video natural disasters drought floods earthquake typhoon heat waves sandstorm A. Strong wind blowing over loose soil or sand. B. Promoting the use of green energy. D. Volcanoes and wildfires. C. Rapid urban development and heavy industries. 小组讨论，回答问题。 Task9 Discuss and answer. Which of the following can cause natural disasters Reading Part 2 Natural Disasters 阅读关于自然灾害的课文，回答问题。 Task10 Read and choose. A. People can prevent all the disasters. B. Humans are responsible for many natural disasters. D. People can do nothing when natural disasters happen. C. Sandstorms, acid rain and smog happen more frequently than before. What is the main idea of this text 阅读关于自然灾害的课文，回答问题。 Task10 Read and choose. There are more and more discussions on natural disasters in recent years. It is known that sandstorms are caused naturally by strong winds blowing over loose soil or sand. Half a century ago, sandstorms happened every seven or eight years; now they come almost once a year. Experts tie the problem to the rapid urban development, and cutting down trees is another reason which is largely due to human activities. Some people do not pay enough attention to smog, and they don’t know it is partly caused by the gases from heavy industry and vehicles. These harmful gases also lead to acid rain, though a very small part of acid rain comes from volcanoes or wildfires. When these gases enter the air, they also lead to global warming. Today we are growing too fast to remember the importance of sustainable development for both nature and our human world. Many of the natural disasters are due to the environmental damages caused by human activities. Natural Disasters and Human Activities(1/2) 阅读关于自然灾害的课文，回答问题。 Task10 Read and choose. It is lucky that humans have realized the importance of sustainable development as well as the environmental protection, and things are getting better. We are promoting the use of green energy, planting more trees and trying to stop global warming. People are advised to use electric cars and public transportation. It is definitely not in our hands to prevent all the disasters. But still, we should make some changes to the environment, and the number of such disasters is sure to reduce. Natural Disasters and Human Activities(2/2) 阅读关于自然灾害的课文，回答问题。 Task10 Read and choose. A. People can prevent all the disasters ... ...
