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Unit 7 Know Our WorldLesson 47 Connected to nature 教材分析本课围绕环境来展开阅读，号召大家采取有效措施和从生活小事做起，提高学生珍惜和爱护地球的情感意识。 教学目标【知识与能力目标】1. This lesson focuses on the environment issues.2. It presents some solutions to the problems that pollution poses.【过程与方法目标】词汇：imagine,atmosphere,act,cause,level,flood,soil,reach拓展词汇：consumer,greenhouseeffect,lifeless,environmentallyfriendly阅读技巧：掌握predict,skimandscan等阅读策略，提高语言的综合运用能力。【情感态度价值观目标】让学生意识到环境问题的严重性，进而让学生更加意识到保护环境的重要性。要他们从小事做起，做一位环保人士来保护我们的地球，来关注未来世界的发展。 教学重难点【教学重点】Call on the students to take personal action to reduce pollution.【教学难点】1. It presents thought-provoking facts and figures abut pollution in North America. 课前准备 图片，PPT 教学过程Step1: Lead-in Show students something about natureTake up lesson47, Pictures of natureStep2: know more about different thing of natureLearn the picture. Step3: listen to the tape with the following questions:1)Do all the living things on the planet depend on one another?2)What can we do for nature?Choose the correct words concerning what they have collected.Practice listening.Step4: Fast-readingQuestions:what should we do to protect our environment?Improve students reading ability; grasp the main idea of the text。Step5: careful-reading Try to find the key words。Improve students reading abilityA Slide(pictures)Step6: Retell the text with the key words Practice Ss speaking;Collect useful information to summarize the text A slide: key words;Step7 Homework略。
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