【正文】 o you think the main topic of the book is? many topics does the review cover?第二部分為閱讀材料，如下：The world needs your help!The Young Green Consumer Guide says that our world is in must do something to save are many environmental are they?The greenhouse effect The writer asks us to imagine Earth inside a kind of atmosphere around Earth acts like the lets sunlight in and keeps much of the warmth from getting is important to us all.“Without it, Earth would be as cold and lifeless as the surface of the moon.”“The trouble is that our atmosphere is changing because we are polluting it with chemicalsin the front of gasesand it is keeping in too much heat!” This will cause the level of seas to rise and drown cities and even whole act of destroying rainforest 1 The burning and cutting down of the trees is making the greenhouse effect worse because trees take in harmful will also cause floods because trees can help hold soil together, and soil absorbs water when it habits Many of our habits cause pollution, especially our habit of using things once and then throwing them creates mountains of rubbish and it pollutes our land and example, people throw away as many as seven billion drink cans in the UK every is enough to reach from Earth to the can we save Earth? In order to save our world, the book is asking us to bee “green consumers”.That is, we should only buy and use “environmentally friendly” things will not damage the ，如下： of pollution, enough sunlight is reaching Earth enough heat is leaving Earth greenhouse effect causes the level of seas to we cut down more trees, the greenhouse effect will be people use things only once and the throw them __________ book’s aim is to make people protect the environment more young people bee consumers（二）任務描述今天環(huán)境問題已成為全球性的問題。句型：Nowadays, there are many environmental problems around us, such as…(.: the air pollution).This problem makes…(.: the air get worse and worse, and causes the greenhouse effect).（4）教師分發(fā)一張信紙給每個學生，讓他們根據自己對文章的理解和日常生活的觀察，寫出溫室效應的表現、人們過度砍伐樹木的現象以及其他各種破壞環(huán)境的行為。它是基于蘇聯心理學家Vygotsky(1962)的語言與學習理論提出來的（魯子問，2002）。在該課例中，學生需要和筆友討論兩國的環(huán)境問題，隨著全球環(huán)境問題的日益突顯，這在真實生活中是完全有可能出現的，因此該任務涉及和在真實世界里 一樣的語言運用過程，具有一定的真實性。學生通過討論、對比，歸納出當今社會存在的主要的環(huán)境問題及其危害與解決措施，并最終以電子郵件的形式發(fā)給英國筆友，因此該任務有明確的交際性結果。在課堂教學中強調學習者之間的互動和合作性，鼓勵學生通過完成任務來學習語言和掌握語言?，F在你要把你的調查結果發(fā)給Cathy。（三）教學過程步驟 教師向學生展示某些環(huán)境問題的圖片，如過度砍伐樹木、空氣污染與亂扔垃圾導致的水污染等，問學生是否發(fā)現身邊存在這些環(huán)境問題，并列舉此類環(huán)境問題會對人們的生活產生怎樣的危害。液體墻紙 第五篇：任務型教學設計《任務型教學》作業(yè)你們學校推薦你參加“中國任務教學研討會”任務教學展示課的選拔。閱讀任務二：學生仔細閱讀、關注細節(jié)并完成以段落、內容的表格：如：任務組織形式：Careful reading individually；任務完成形式：Pair work。任務的設計應遵循由簡到繁、由易到難，以適應不同的學生，滿足學生不同需要。它把語言應用的基本理念化為具有實踐意義的課堂教學方式，教師把學習內容設計成各種交際任務，讓學生通過完成任務進行學習，達到教學目標的要求。操作過程：教師布置討論問題：“Do you think the world’s population is too big ?why or why not ?”“What can be done to slow down the population increase ?”；全班分小組討論：請各小組派代表匯報討論結