Unit 3 Environmental Protection Reading and Thinking 课件-2023-2024学年高中英语人教版（2019）选择性必修第三册

冰川中の北极熊 Unit 03 Environmental Protection Reading and thinking 读思环节 1 1.读思环节：学生阅读课文，独立完成相应的阅读训练，提高学生的阅读水平。 2.课文重点语言点讲解，提高学生YY文学素养。 3.提高学生保护环境的意识 学习目标 1.What’s happening in the picture? Where is it? Lead-in 2.Earth provides enough to satisfy every man’s needs,but not every man’s greed. Mohandas K. Gandhi v.满足 n.贪婪 地球能满足每个人的需要，但满足不了每个人的贪婪。 Lead-in What’s the environmental problem in the video? skin and bones starve to death pre-reading：step1 Glance at the title , the graph and the picture and then answer the following questions. CLIMATE CHANGE REQUIRES THE WORLD'S ATTENTION 阅读微技能 借助画图法理解文章内容 图表最大的优点是形象、直观。所以在我们阅读文章，尤其是一些比较抽象或复杂的文章时，可以利用画图法将文章内容、逻辑关系展现出来，让人一目了然。根据文章的体裁，我们可以从不同的角度去注意材料的细节。如记叙文多以人物为中心，以时间或空间为线索，按事件的发生、发展、结局展开故事；议论文则包含论点、论据、结论三大要素，通过解释、举例来阐述观点。我们可以根据文章的特点，详读细节，以动词、时间、地点、事件、因果等为线索，找出关键词语，运用“画图列表法”，勾画出一幅完整清晰的文章主题和细节的认知图。 1.what do you guess made the polar bear dead? polar bear 北极熊 2.what do you think we should do to help solve the problem? Earth becomes ,and ice ,making it hard for the polar bear to find enough . warmer melts food to eat We should reduce greenhouse gas emission.温室气体排放 听课文，检查预习 while-reading：step2 Read the third paragraph carefully and fill in the table. The greenhouse effect The (1) greenhouse effect Referring to the fact that heat from the sun warms Earth's surface as (2) radiation and is released back at (3) wave lengths Making Earth (4) life The (5) greenhouse effect Burning (6) Causing Earth's surface temperature (7) quickly natural short-wave longer sustain man-made fossil fuels to rise 全球平均表面温度 温室效应 指的是，查阅，提到 短波辐射 甲烷和二氧化碳 使地球的气候温暖宜居 温室气体 Then what is causing the increase in the global average surface temperature? Climate scientists often mention a key climate proce