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学生能总结一些提建议的句型， eg: we should/shouldn’t; It is good to do sth.
学生能够运用一些连词来使文章有条理性，eg: first, second, third, finally.
语言能力目标
学生能和同桌口头表达树木的重要性，从而锻炼他们的口头表达能力。
学生能根据所学知识写一篇保护树木的倡议书，提高书面表达的能力。
学生能看懂评分标准并根据它课后进行互评互改。
情感目标
学生能意识到保护树木的重要性并提出保护树木的措施，为此做出倡议。
学生能通过老师的批改展示，学会欣赏他人作文，共同学习。
教学重难点
教学重点
学生能够在老师的引导下，运用已学的短语句型等来表达树木的重要性和保护树木的措施。
学生在内容和结构方面懂得如何去写一篇保护树木的倡议书。
教学难点
学生能够根据mind map 对树木的重要性进行口头表达。
学生能够按照三段式并有条理地写出保护树木的倡议书。
教学策略
以任务型教学为途径，以小组合作的方式，综合运用情景法和交际法。
教学手段 多媒体教学
教学过程
Teaching steps Teachers’ activitiesStudents’ activitiesPurposes Step1: Warming up & leading-in1. Ask Students to watch a short video about cutting trees and lead them to the topic of trees.
2. Show some pictures to lead in the importance of trees.1. Watch a video about cutting trees.
2. Think of the problem of trees To lead in the topic and get ready for the speaking.Step2: Speaking 1. Check the answers of the homework (Part1) ----to fill in blanks of the mind map.
2. Ask students to talk about the importance of trees to their partners with the help of some key sentence patterns and conjunctions.
3. Invite some students to speak up and pay attention to some key sentences.1. Check the answers of the homework (Part1).
2. Talk about the importance of trees to their partners with the help of some key sentence patterns and conjunctions.
3. Check the answers of the homework (Part2).1. To review some key words and phrases and some key sentence patterns.
2. To practise students’ speaking ability by retelling the importance of trees with the help of the mind map.Step3: Discussion1. Make students think about the question----how to save trees?
2. Guide students to learn some ways to save trees and some sentence patterns to give advice.
3. Ask students to work in group of 4, and write down 4 different pieces of advice of their group members.1. Think about the question----how to save trees?