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高二英语下学期unit3

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英语 学期 unit3
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Integrating skillsIntegrating skills Find the definition of an estuaryFind the definition of an estuary An estuaryAn estuary is the body of water where a is the body of water where a river meets the ocean Salt water from the river meets the ocean Salt water from the ocean and fresh water from the river mix ocean and fresh water from the river mix together in an estuary This mixing of together in an estuary This mixing of fresh and salt water creates a unique fresh and salt water creates a unique environment filled with life of all kindsenvironment filled with life of all kinds a a zone between the land and sea zone between the land and sea 1 The following statements tell us the importance of estuaries A Estuaries provide recreation and education for human beings B Estuaries contribute to the economy of a country C The density of living creatures in estuaries is higher than in any other habitat on earth D Estuaries clean our water by absorbing nutrients and pollutants from water coming from inland sources Reading comprehension A BCD 2 Why the estuaries are our planet s nurseries A Because an estuary is the body of water where a river meets the ocean B Because estuaries are the homes of thousands of animals and plants C Because estuaries are very sensitive to environmental pollution D Because estuaries are important in protecting the environment as well as in human s life 3 The density in bold means A quality B quantity C diversity D variety D B Structure of the passage 1 1 2 2 4 4 3 3 1 1 2 2 4 4 3 3 1 1 2 2 3 3 4 4 WritingWriting If you are describing a process If you are describing a process l l You should explain each step in the order it You should explain each step in the order it happens happens l l Tell the readers about the causes and effects Tell the readers about the causes and effects and use words like first second then etc to and use words like first second then etc to show the order of the steps show the order of the steps First First Second Second Third Then Third Then Last Last Topic lStep 1 lStep 2 lStep 3 What will happen to a piece of metal if you put it in water Describe what happens Describe the causes and effects The conclusion Sample writing If a piece of metal or any other object is put in water it will dissolve Because the water molecule is made up of one oxygen and two hydrogen atoms It is polar that is it has a slightly negative and a slightly positive end The two ends make it possible for water to break down both solids and gases So a piece of metal will dissolve when it is put in water If you are writing about something that has If you are writing about something that has several parts describe each part and explain several parts describe each part and explain its function and structure its function and structure The following questions may helpThe following questions may help l l What is it How many parts is it made up of What is it How many parts is it made up of l l What s the structure of each part How What s the structure of each part How does it work does it work l l What s the function of the thing What s the function of the thing 书面表达 现在越来越多的人购买小汽车 假设你叫李立 请你根据 下面所给信息给报社编辑写一封信发表观点 字数 100 左右 优点 有了小汽车 能自由来去 不用花很多时间 小汽 车对于旅行比较舒适 开小汽车比自行车安全 缺点 越来越多的小汽车会引起污染 交通堵塞和更多的 交通事故 建议 政府要适当控制小汽车的数量 使我们有一个洁净 安静的环境 生词 堵塞 jams 环境 environment Dear editor Nowadays in our city more and more people own cars I think there are good reasons for owning a car First with a car a person can get around freely without spending a lot of time Second a car is comfortable to travel in Finally it is safer to drive a car than a bicycle However I am afraid more and more cars will cause air pollution What s more more and more traffic jams and accidents are happening every day Personally I hope the government should control the number of cars to let us have a clean and quiet environment Yours Li li
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