九年级英语全册 Unit 9 Save the Planet Lesson 27 Tree Heroes教案 （新版）北师大版.doc

Unit 9 Save the PlanetLesson 27 Tree Heroes 教材分析v本课是北师大版初中英语九年级教材第9单元第27课，该单元的话题为保护星球。本文为一篇人物介绍类文章，一共由5段构成：第1段为引入段，列举了乱砍乱伐给人类带来的巨大影响；第二段介绍了中国为什么需要多植树；第3段和第4段主要介绍了两位植树英雄：江西省的邹连英和北京市的魏桂英，这两段为重难点段落，同时是挖掘深层次问题的切入点；第5段介绍了作者的写作意图号召我们向榜样学习，为保护环境做出应有的贡献。阅读重点定位在第3、4段，了解两位植树英雄为所做的种种努力与牺牲，支撑起了本文所传达的情感主线，作者用了大量的事实和数字来感染学生、打动学生，帮助学生认识英雄，敬佩英雄，引导学生向英雄学习，同时告诉学生列数字、举实例在表达个人观点时的作用。 教学目标【知识目标】从分析篇章结构入手总结归纳文章的主旨大意。【能力目标】准确辨别与区分与辨别facts 和 opinions。【情感目标】增强学生保护环境的意识。 教学重难点【教学重点】从分析篇章结构入手总结归纳文章的主旨大意。【教学难点】 课前准备模拟在国际会议上作中国在植树造林方面所做的事情的报告。1.课前准备：调试光盘与课件、给学生分组、为学生布置预习作业等； 2.教具学具：光盘、大卡片等。 教学过程Step1. Warm-up1. Look at pictures and identify the usages of trees.2. Talk about the importance of trees.Step2. Reading1. Ask students to label the paragraphs.2. Discuss the main idea of the text.3. Skip the passage and identify the logistic relationship.4. Sum up how to determine the main idea of a passage.5. Read the first two paragraphs and answer the relevant questions.6. Read the third and the fourth paragraphs and answer the following questions.7. Read the third and fourth paragraphs and find out what they did.8. Read the paragraphs and fill in the blanks in the passage.9. Encourage students to give their opinions on whether the 2 persons are heroes or not.Step3. Language points1. cover v.覆盖； 掩蔽； 涉及The clouds had spread and nearly covered the entire sky.2. be worth 值得（做）的； 价值； 等于He thought that it must be worth billions.Its an idea that may be worth revisiting at a later date.3. work at 在工作； 从事于，致力于I never did a stroke of work at college. 4. seedling n.秧苗，幼苗； 树苗； 实生苗She cut down the seedling with one chop.Step4. Consolidation1. Let students figure out the difference between facts and opinions in writing.2. Identify whether the statements are facts or opinions.3. Read the passage aloud.4. Make a presentation about tree planting in China. Let students imagine they will present it at an international meeting.Step5. Homework1. Read the text aloud.2. Tell a story about a tree hero to your partner.略