【正文】 一定的理解。且學生在這一單元以及之前所掌握的英語語言知識技能如：環(huán)境和健康的關(guān)系；如何開展討論；如何發(fā)表自己的觀點等都可以運用到本節(jié)課中。 Listening and speaking 部分是關(guān)于能源使用的一篇電臺采訪。 ways Step Ⅰ Revision and leadin Review the context of unit 3 and then talk something about today’s weather. And then get students to think about the relationship between healthy life and environment. T: Are you feeling warmth today. …………. (This part lead the students to know about the topic “global warming”) Step Ⅱ Warming up Ss think about these questions and talk something about the energy. 1). Can you tell what we use energy for? Energy lights our cities Energy heats our buildings Energy entertains us ( watching TV。并 通過直觀的圖片，使 主題更加明朗。 Using Language 部分設(shè)計了包括聽、讀、寫的活動。如進行分組討論時，可讓他們與學習基礎(chǔ)好的同學一組且要給予更多的鼓勵，使他們盡早能提高對學習英語的興趣。 二、 本節(jié)課 教材分析與教材 整合 1. 單元教材分析 本單元以 Global warming 為 主題 ，學生 通過單元教學 經(jīng)過思考、學習， 討論從而 認識到全球變暖的 真正涵義 和它所帶來的種種后果。要求學生在理解大意和主要細節(jié)的基礎(chǔ)上回答聽力練習中的幾大問題，提高學生的聽力水平。 playing puter etc.) … 2). Where does all the energy e from?( Let Ss think about it and speak out by seeing some pictures) 3). What’s the difference between wind power and coal power? Wind will never run out while coal is a limited source. 4). Try to tell as many as possible Things that use energy Sources of energy Renewable/ Nonrenewable lights heating television cassette player puter fridge washing machine hairdryer … wind renewable cold Nonrenewable oil Nonrenewable nuclear Nonrenewable Sun (solar energy) renewable Water (hydroelectric power) renewable Plant waste renewable hot spring renewable 2. Let Ss talk something about thenegative effects of using energy and then know about the global warming. 3. Let Ss know more about the global warming by paring with the greenhouse. 1.) What is the greenhouse made and used for