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Section D Ⅰ. Material analysis 本课是第二单元第三话题的第四课时。主活动是阅读文段和Project。Grammar 和Functions 让学生总结本话题的语法重点（并列句）和重要的句子（包括英语习语）。短文介绍了森林的重要作用、森林遭到破坏的情况及义务植树人的艰难付出。Project部分采用调查问卷的形式来寻找本班“最环保的人”。这个活动很有教育意义，可以让学生增强环保意识，争做一个坚定的环保人士。 Ⅱ.Teaching aims Knowledge aims： 掌握本课的重点词汇和短语，归纳并列句的用法。 2.Skill aims: 掌握常见的并列句，并能在写作或口语交际中运用。 在Project中，能够根据问卷要点整理成文。 3.Emotional aims: (optional) 增强环保意识，争做一个坚定的环保人。 4.Culture awareness: (optional)Ⅲ. The key points and difficult points 1.Key points: Words and phrases: dry, remove, place, cut down, so that, even though Sentences: The weather may be very hot and dry or it may be very cold and wet. They carry heavy bags of small trees, and working in the mountains can be dangerous. Even though tree planting is very difficult, they love their work. Grammar: compound sentence 2. Difficult points： Forests were cut down to provide wood to build houses. There are often many insects that bite these planters on their legs, arms and faces while they work. Even though tree planting is very difficult, they love their work. Ⅳ. Learning strategies 在Grammar部分，能够和老师一起总结归纳并列句的用法，使之内化为自己的知识。 能够利用问题来预测短文的内容。 Ⅴ. Teaching aids 亚马孙热带雨林的视频或图片/亚马孙热带雨林遭到破坏的视频或图片/教学新词的图片/ PPT等Ⅵ. Teaching procedures Stage (time period) Interaction patterns Teacher activity Student activity Remarks 1 Revision (10 mins) Individual work Individual work Class activity Step 1: Encourage the Ss to read their homework assigned in Section C. T: Hi, boys and girls! Let’s begin our class with your homework. Who would like to share your homework? xxx, how about you? Step2: Let the Ss complete the blanks in Grammar and Functions. T: Wow, very good writing! Now please open your book and turn to page 49. Please fill in the blanks in Grammar and Functions. When you finish, raise your hand. T: Now, xxx, will you please tell us your the answers to Grammar? T: Do you think so, class? T: Who would like to share your the answers to Funct