九年級英語全冊 Unit 9 Save the Planet Lesson 27 Tree Heroes教案 （新版）北師大版 教材分析v本課是北師大版初中英語九年級教材第9單元第27課，該單元的話題為保護星球。本文為一篇人物介紹類文章，一共由5段構(gòu)成：第1段為引入段，列舉了亂砍亂伐給人類帶來的巨大影響；第二段介紹了中國為什么需要多植樹；第3段和第4段主要介紹了兩位植樹英雄：江西省的鄒連英和北京市的魏桂英，這兩段為重難點段落，同時是挖掘深層次問題的切入點；第5段介紹了作者的寫作意圖號召我們向榜樣學(xué)習(xí)，為保護環(huán)境做出應(yīng)有的貢獻。閱讀重點定位在第3、4段，了解兩位植樹英雄為所做的種種努力與犧牲，支撐起了本文所傳達的情感主線，作者用了大量的事實和數(shù)字來感染學(xué)生、打動學(xué)生，幫助學(xué)生認識英雄，敬佩英雄，引導(dǎo)學(xué)生向英雄學(xué)習(xí)，同時告訴學(xué)生列數(shù)字、舉實例在表達個人觀點時的作用。 教學(xué)目標【知識目標】從分析篇章結(jié)構(gòu)入手總結(jié)歸納文章的主旨大意?！灸芰δ繕恕繙蚀_辨別與區(qū)分與辨別facts 和 opinions?！厩楦心繕恕吭鰪妼W(xué)生保護環(huán)境的意識。 教學(xué)重難點【教學(xué)重點】從分析篇章結(jié)構(gòu)入手總結(jié)歸納文章的主旨大意?！窘虒W(xué)難點】 課前準備模擬在國際會議上作中國在植樹造林方面所做的事情的報告。1.課前準備：調(diào)試光盤與課件、給學(xué)生分組、為學(xué)生布置預(yù)習(xí)作業(yè)等； 2.教具學(xué)具：光盤、大卡片等。 教學(xué)過程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.覆蓋； 掩蔽； 涉及The clouds had spread and nearly covered the entire sky.2. be worth 值得（做）的； 價值； 等于He thought that it must be worth billions.It's an idea that may be worth revisiting at a later date.3. work at 在工作； 從事于，致力于I never did a stroke of work at college. 4. seedling n.秧苗，幼苗； 樹苗； 實生苗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