Lesson 6 Understanding cultures Knowing the world Unit 8 Learning aims 能谈论如何保护地球 通过阅读，了解地球的相关信息，认识到地球的重要性 Lead in What do you know about the Earth from the video? Activity 1 Know something about the Earth The earth is a special planet. It is our home now, and it will be our home in the future. Only about one third of our planet is land. There are seven continents: Asia, Africa, Oceania, Antarctica, Europe, North America, and South America. Some land is rich with green forests, fresh water, and good soil. But some places are difficult for humans to live because of the snow and ice, the deserts, or the high mountains. Read the passage and match each paragraph with its main idea. But people can’t live everywhere on the earth. We can’t live in water. Oceans cover two thirds of the earth’s surface. The earth has only one big ocean, but we use these names for its different parts: the Pacific Ocean, the Indian Ocean, the Atlantic Ocean, and the Arctic Ocean. The earth is our only home. We must treat it well for our children and for our children's children, too! The land of the earth The earth is our home. The oceans of the earth We should treat the earth well. Read the passage and choose the right structure. ① ③ ④ ① ③ ④ A B ① ③ ④ C √ The earth is a special planet. It is our home now, and it will be our home in the future. But people can’t live everywhere on the earth. We can’t live in water.Oceans cover two thirds of the earth’s surface. The earth has only one big ocean, but we use these names for its different parts: the Pacific Ocean, the Indian Ocean, the Atlantic Ocean, and the Arctic Ocean. Only about one third of our planet is land. There are seven continents: Asia, Africa, Oceania, Antarctica, Europe, North America, and South America.Some land is rich with green forests,fresh water, and good soil. But some places are difficult for humans to live because of the snow and ice, the deserts, or the high mountains. The earth is our only home. We must treat it well for our children and for our children’s children, too! Read Para 1-2 and answer the following questions. The earth is a special planet. It is our home now, and it will be our home in the future. But people can’t live everywhere on the earth. We can’t live in water. Oceans cover two thirds of the earth’s surface. The earth has only one big ocean, but we use these names for its different parts: the Pacific Ocean, the Indian Ocean, the Atlantic Ocean, and the Arctic Ocean. A Do you agree that there is only one ocean on the earth? B What are the names of ocean? Yes, I do. The Pacific Ocean, the India Ocean, the Atlantic Ocean, the Arctic Ocean. Read Para 3-4 and answer the following questions. Only about one third of our planet is land. There are seven continents: Asia.Africa, Oceania, Antarctica, EuropeNorth America, and South America.Some land is rich with green forests,fresh water, and good soil. But some places are difficult for humans to l ... ...
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