1、Unit 13 Were trying to save the earth!Section B 2a-2d教案【教学目标】1. 掌握本课时重要词汇和短语：throw away, put sth. to good use, pulldown, upside等。2. 能借助文章标题和插图对阅读篇章内容进行合理的预测。3. 能在阅读中借助上下文语境和构词特征猜测部分词汇的含义。4. 能读懂有关环保的文章，并从文中获取详细信息，完成阅读任务。5. 了解环境保护的方法，激发学生强烈的社会责任感和对未来发展的思考。【教学重点及难点】重点：1. 掌握并运用本课重点词汇、短语和目标语言。2. 理解rethin
2、k, reuse, recycle!的环保理念，并落实到积极的行动之中。难点：学生能够根据词根找出衍生出的不同词汇，并理解前缀和后缀的不同用法。【教学过程】Step 1 Warming-upTalk about the questions in the whole class.1.What can we do to protect the environment? 2. What can we do with a plastic bottle?We can use it to/as .3.What can we do with old clothes?【设计意图】通过讨论问题，并激发了学生的阅
3、读兴趣和期待，并讨论废如何物利用节约能源。Step 2 Pre-readingWork on 2a Look at the title and the pictures. Then guess the main idea of the passage.Step 3 While-readingWork on 2b1. Read the passage and complete the chart below.2. Read the passage again and answer the questions.【设计意图】带着任务反复阅读文章，有利于学生阅读策略的形成。Step 4 Post-re
4、adingFill in the blanks with the correct forms of the phrases in the box.Language points1. Do you often throw away things you dont need anymore?throw away扔掉，丢弃浪费 (机会、优势或好处)2. Have you ever thought about how these things can actually be put to good use?put sth. to good use 好好利用3. She lives in a house
5、 in the UK that she built herself out of rubbish.build/make . out of 用建造/制造4. The top of the house is an old boat turned upside down.turned upside down 意为“被翻转过来的；被颠倒过来的”，作后置定语修饰boat。5. And the gate in front of her house is made of rocks and old glass bottles.be made of 由制成6. He is known for using ir
6、on.be known for 因而著名 7. Not only can the art bring happiness to others, but it also shows that even cold, hard iron can be brought back to life with a little creativity.bring back 恢复；使想起；归还not only . but (also) . 不但而且【设计意图】帮助学生系统学习重要语言点。Work on 2cFill in the blanks with the correct forms of the phra
7、ses in the box.【设计意图】通过填空练习巩固对所学语言点的运用。Work on 2d 1. Find the words from the passage based on the words in the box and then write them down. 2. T introduces the terms “prefix” and “suffix”.【设计意图】让学生在文中找出所给词根衍生出的不同词汇，并系统讲解前缀与后缀的用法。Step 5 Work on 2eMake a list of things that need to be done to save th
8、e environment, and then have a class discussion in groups.【设计意图】引导学生针对拯救环境这一话题发表自己的看法，激励学生的环保意识。【课堂小结】Step 6 SummaryKey sentences & phrases: throw away, put sth. to good use, pull.down, upside down, gate, bottle, president, inspiration, iron, work, metal, bring back, creativityKey sentences: 1. Have you ever thought about how these things can actually be put to good use? 2. Not only can the art bring happiness to others, but it also shows that even the cold, hard iron can be brought back to life with a little creativity.Learned the reading skill and know something about recycling.【课堂训练】PPT
