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1、Section D . Material analysis 本课是第二单元第二话题的第四课时，是本话题的复习课，主活动是 1a 和 Project。通过 Grammar 和 Functions 让学生归纳总结 本话题的语法知识不定代词和不定副词的用法，以及一些重要的表达。通过 1a 部分，培养学生寻找段落之间的逻辑关系，再利 用逻辑关系完成排序任务。1b 引导学生在阅读过程中注意“wh-questions”，提高阅读效率。2 是通过小组讨论的方式，探究保护水资 源和和节约用水的方法，为 3 的写作任务作铺垫。3 是教会学生如何写倡议书，培养学生在写作中排篇布局，即先构建写作框架，再 加上合理的
2、观点。Project 是通过让学生换位思考，充当不同的自然资源，描述各自的功能，现状和期望，来唤起大众保护环境的意 识。本课所设置的“写倡议书”和“制作海报”都在培养学生“用英语做事情”的能力。 . Teaching aims 1.Knowledge aims： 掌握本课的重点词汇和短语，复习不定代词，不定副词和重点表达法。 了解淡水资源短缺的现状。 2.Skill aims: 培养学生通过 wh-questions(如：what，why 等)，理解短文的意思。 能够读懂有关自然资源的文章。 能够利用已有框架，加上自己的观点，提高写作技能。 3.Emotional aims: (optiona
3、l) 关注自然资源的现状，倡导学生保护环境，节约用水。 4.Culture awareness：（optional） 通过对水资源现状的了解，认识到自然资源对人类的重要性，加入到保护环境、珍惜资源的队伍中。 . The key points and difficult points 1. Key points: Words and phrases: avoid, discover, thirsty, nearly, law, shortage, resource, reuse, take sth. away from, the shortage of water / water shortag
4、e, avoid (doing) sth., make progress in, nearly 3/4 of 2. Difficult points： 学会归纳话题中的重点语法和表达法。 . Learning strategies 1.通过对 Sections A-C 的复习，总结重点语法和功能用语，学会归纳和总结。 2.通过完成任务 1b，培养学生通过 wh-questions(如：what，why 等)理解短文的能力。 3.通过 3 部分的写作训练，培养学生学习自我检测和评价的策略。 4.通过制作海报，拓展学用渠道。 . Teaching aids 幻灯片；单词卡片（如：short / s
5、hortage; cover / discover; use / user / reuse 等） ；关于水资源的图片等。 . Teaching procedures Stage (time period) Interaction patterns Teacher activityStudent activityRemarks 1 Getting students ready for learning and revision (5 mins) Group work Greet and lead the Ss to finish Grammar and Functions in Section
6、D as quickly as they can. Ask the leader of each group to check the answers. Let the groups list other useful expressions of this topic on the exercise book and take notes. Then report to the whole class. T: Hello, boys and girls! Im glad to see you again. Now finish Grammar and Functions in Section
7、 D as quickly as you can. Ss: T: OK. If you have finished, check the answers in your group. Please list as many important points as you can in this topic. You have 3 minutes to finish. Lets see which group does faster and better. Ss Greet and finish Grammar and Functions in Section D as quickly as t
8、hey can. The leader of each group checks the answers. List other expressions of this topic on the exercise book. Then report to the class. Ss: Hello 在复习话题 Grammar 和 Functions 时，A 类生和 B 类生基本上不会有太大的 难度，而 C 类生会存在或 多或少的问题，教师可以 先放手，让组长帮助，如 有问题，再向老师请教。 在归纳总结重难点时，让 学生自己罗列在草稿本上， 并在课后整理，这样既可 以引导学生构建完整的知 识体系，
9、又可以培养学生 的自学能力和归纳总结的 能力。 2 Lead-in (3-5 mins) Group work Check the Ss homework: Ask the Ss to take out the compositions they wrote and check them in groups. Ask them to pay attention to the linking verbs, and then encourage them to Check the Ss homework: Take out the compositions they wrote and check
10、 them in groups, paying attention to 由于学生水平有限，在组 内交换改作文时，要注意 以下几点： 1.A 类生与 A 类生交换批 read their compositions to the class. T: Now take out your compositions and check your work with your group members. Please pay attention to use the linking verbs properly. You have 4 minutes to finish. T: OK, If you
11、have finished, you can come to the front and read your own composition to the class. Have a try, please! S1: Since humans lived on the earth, we changed the earth a lot. Something is good while something is bad. The environment is becoming worse and worse. There used to be lots of trees around the w
12、orld. But now there are fewer trees. People cut them down, so forests become deserts，and animals and plants are disappearing the linking verbs, and then read out their own composition to the class. S1: Since humans lived on the earth, we changed the earth a lot. Something is good while something is
13、bad. The environment is becoming worse and worse. There used to be lots of trees around the world. But now there are fewer trees. People cut them down, so forests become deserts, and animals and 改；B 类生与 B 类生交换； C 类生与 C 类生交换，改 正作文中一些简单的拼写 错误。 2.A 类生改 B 类生的作文， B 类生批改 C 类生的作文， C 类生学习 A 类生的作文， 找出自己不会的，而
14、 A 类 生会做的。 S2 plants are disappearing S2 3 Pre-reading (3-5 mins) Class activity Present some pictures of water resources and make a brief introduction about them. Teach the new words. T: Now look at these pictures of oceans. There are four large oceans on the earth. How much water is there? Ss: 70
15、percent. T: Right. Water resources are very rich on the earth. Nearly 3/4 of the earth is covered with water. Is the water enough for humans? Ss: Yes. / No. T: Why no? Who can tell us? S1: Because there is too much salt in the sea water, we cant drink directly. T: Great! Although there is plenty of
16、water, we still face the problem of water shortage. Look at the pictures of water resources. Learn the new words according to the teachers introductions. 该环节，教师用海洋图片 介绍世界上丰富的水资源， 引导学生了解。即使如此 丰富的水资源仍然无法解 决人类所面对的水资源短 缺的问题。 4 While-reading (10 mins) Individual work Step 1: First-reading. Get the Ss to read 1a and put the paragraphs Step 1: Read 1a and put the paragraphs in the correct 通过正确排列短文的顺序， 训练学生的逻辑思维能力。 Individual work in the correct order. T: Now rea
