学案
A Second, reuse. Reusing is using again. For example, reuse the box that we received when we give a gift to someone else. Besides, a bottle which we used for juice can also be used for water after we wash it. B If we follow the 3R’s, we’ll save more natural resources. Dear friends, let’s take action to do it from little things! Our life will be as beautiful as a flower.
C First, reduce. Reducing is using less. Turn off the water while we brush the teeth. Also, we can ask mom to bring a cloth bag when she goes shopping. D Have you realized the earth is in danger? We don’t have enough trees, water, oil or clean air for our future. Do you know how to help the earth? We can start by doing the 3 R’s: Reduce, Reuse and Recycle.
E Third, recycle. Recycling is making new things from old things. Some things can be recycled, such as: paper, glass, plastic, cloth and medal.
New words: natural resources 自然资源
I. Reading
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阅读与积累2：Read for structure(结构)
首段：提出问题
1. 写作技巧： 设问，导入话题 再问，切入主题 过渡，体现文体 2. 语言知识变通与优化 We can start by doing the 3R’s.
= Here are my suggestions./ Here’s my advice. Let me tell you my ways. 中间段：解决问题
① 用“First,… Second,… Third,…”罗列三个方法。 ② 表达三个方法的主题句句子结构相同。 ③ 在每一个方法后，可以用1或2个使说明方法
的拓展句进行补充说明；拓展句要句式多样。 阅读与积累3：Read for writing methods(说明方法)
1.总结说明方法
① definition 作诠释 ② illustration 举例子 ③ metaphor打比方 ④comparison 作比较 ⑤ statistics 列数字 ⑥ quotation 引用 2.找到第二段中使用说明方法的句子。(在句子下划线) 3. 根据所给说明方法，完成句子
① 打比方 The earth _________ ________(就像) our
mother. We must stop people hurting her.
② 列数字 We can use less paper. Because a big tree can
only be made into __________ _________(大约400) pieces of A4 paper.
③ 举例子 We can do many things to reduce pollution,
________ _______ using fewer plastic bags.
④ 引用 _______________________(就如俗语所说)，
“Helping the earth is helping ourselves.”
尾段：号召大家遵从建议
1.①用 “If we follow the ways,…” 紧扣文体。
②用 “Let’s …”号召更多的人参与。 ③用佳句结尾 2. 语言知识积累与变通
Let’s take action to do it from little things. = Why not…..?/How about doing? Take action at once!
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阅读与积累1： Read for main idea(中心大意)
Group work :
1. Arrange them in the right order.
按照正确顺序排序
The right order: ______________________ 2. Divide them into 3 parts.
把这些段落分成三部分 Part 1: __________
Part 2: __________ Part 3: __________ 3. Give a title. 给出题目
Title: ______________________________
4. The style(文体) of the passage：
A. Narration 记叙文
以叙述为主要表达方式，以写人物的经历和事物发展变化为主要内容的一种文体。 B. Exposition 说明文
以说明为主要表达方式来说明事物、阐明事理而给人以知识的文章。
C. Argumentation 议论文
对某个问题或某件事进行分析、评论，表明自己的观点、立场、态度、看法和主张的一种文体。 1
II. Writing practice (写作训练)
Topic(话题): How to live a low-carbon life. 1.Group work
(1) Think of a title,
(2) Finish writing three topic sentences.
注意： 主题句句式相同。
参考材料： 1. Know that low-carbon life is not only a kind of lifestyle but also life attitude. 2. Develop good habits in our daily life. 3. Save water by using used water to water plants or wash WC. 4. Save energy. 5. Save electricity. 6. Turn off the light when we leave a room. 7. Turn off the PC(personal computer) and TV when they are not used. 8. Save paper by using both sides of the paper, recycling books, using handkerchiefs(手绢) instead of paper napkins(纸巾). 9. Walk or ride a bike to school. 10. Don’t smoke or smoke less. 11. Plant more trees. 12. Don’t throw litter(垃圾) about. 13. Try to use the private cars less. 14. Tell others the importance of living low-carbon life. 15. Don’t use plastic bags. 16. Develop new energy, such as wind energy, solar energy.(太阳能)
___________________
Have you realized the earth is getting warmer and warmer? The earth is in danger. We need to reduce the emission of carbon dioxide. Do you know how to live a low-carbon life. Let me tell you my way First,_______________________________________________________________________________________________________________________________________________________________________________________________________________ Second,________________________________________________________________________________________________________________________________________________________________________________________________________________ Third,___________________________________________________________________________________________________________________________ ______________________________________________________________________________________ If we follow my ways, we’ll live a low-carbon life. Dear friends, let’s take action at once! Helping the earth is helping ourselves.
III. Homework
Make your passage rich and perfect. Ⅳ. Teacher’s advice
Read more , 博 览 Think more, 勤 思 Write more! 擅 写
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2.Finish writing Part 2 注意：（1）围绕话题，突出文体，完成第二段。
（2）恰当使用说明方法
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