拯救球(Saving the earth) 课题: 拯救球(Saving the earth) 年级: 高中二年级第学期第九单元第3334课 目: 通学学生解球土荒漠化空气水污染动植物生存环境恶化情况培养学生积极态度善周围环境保护整球环境做出贡献 工具: 世界图球仪 The area of desert in the world is growing every year Many parts of the world which once had large popluations and produced plenty of crops have become deserts Air pollution comes from factories power stations and cars Chemicals in the smoke from power stations cause a lot of damageThey can travel hundreds of miles in the wind before falling to the ground in the rain Water pollution is caused by waste from factories and cities Oceans are able to clean themselves but certain seas once they become dirty are not able to do so Many of the animals are dying out It is thought that between the years 1550 and 1950 an average of one kind of living things died out each year By 1985 this had risen to one per day Between 1980 and 2000 we may lose another half a million different kinds of living thingNotes Activity 1 Write the wordphrase which matches each description The first letter of each wordphrase is given to help the students The Ss should do this exercise individually Check the answers with the whole class at the end of the activity Activity 2 Write true if the statement is true If false change the underlined term to make the statement true The students should do this exercise individually Check the answers with the whole class at the end of the activity Activity 3 is an interview activity The students are required to do in the following steps 1 Read the report from a newspaper 2 Divide the class into groups of four Suppose one is a journalist from China Environment News He is interviewing the other three about the event from the factory authorities the local residents association and the NEPA(国家环保总局) 3 Before the interview activity the teacher gives each group the three cards which show what the three sides may say (See teaching tips for activity 3) 4 Start the interview activity within the group 5 Choose one or two groups to report their activity to the whole class (J Journalist F Factory authorities R Resident SScientist from NEPA)Matching
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