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学习能力目标：（1）引导学生通过前置作业进行课文背景资料的搜集，拓展课本知识和培养学生独立学习、思考的学能力。
（2）引导学生通过良好的小组合作，形成并分享表达自己的观点。
文化品格目标：引导学生发现树木的重要性，懂得如何从日常生活中做起，切实保护树木，爱护环境。
四、教学重点
1、引导学生对文章细节信息进行归纳，归纳过程中复习第一课时重点词汇，为输出进行语言积累。
2、引导学生进行可视化思维，结合背景知识和拓展阅读，完善思维导图。
3、通过思维导图进行思维互动，升华文本主题，完成围绕主题的写作输出。
五、教学难点
引导学生进行可视化思维互动，以可视化思维做写作输出的积累。
六、教学过程
1. Warm up
(1) Show pics of trees and ask some Ss to introduce their favourite trees in front of the class.
(2) Let other Ss to take notes and match the pictures of the trees and their owners.
2. Before reading
(1) Elicit teacher’s favourite tree— bamboo.
(2) Check answers of part one in the pre-task, and emphasis the importance of trees in order to elicit the topic “How do trees help us?”
3. While reading
(1) Let Ss read the text and fill in the blanks of the mind map on the worksheet.
(2) Check answers.
(3) Ask Ss to brainstorm other ways trees help us in our daily lives and write down some good ideas on the blanks of the mind map.
(4) Elicit the topic “Trees are important/helpful/our best friends” and call on students’ attention of saving the trees.
(5) Ask Ss to do an extensive reading.
(6) Check the answers and let Ss to brainstorm some useful ways to save the trees.
4. After reading
(1) Ask Ss to make a poster to call on people’s attention on saving the trees.
(2) Let Ss write down their own ideas on “How do trees help us?” and “How to save the trees?”
(3) Ask Ss to discuss in groups and choose some of the best ideas to be used in making the posters.
(4) Let some of the group present their poster in front of the class.
(5) Clarify how to evaluate Ss’ works according to the form on the worksheet.
5. Homework