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1、Section D. Material analysis本课是第二单元第三话题的第四课时。主要活动是阅读文段和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。.Teaching aims1.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
2、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) 了解世界范围内人们的环保行动。. The key points and difficult points1.Key points: Words and phrases: dry, remove, place, cut down, so that, even thoughSentences: The weather may be very hot and dry or it may
3、 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 ins
4、ects that bite these planters on their legs, arms and faces while they work.Even though tree planting is very difficult, they love their work. . 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。. 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。. Teaching procedu
5、res Stage(time period)InteractionpatternsTeacher activityStudent activityRemarks1Revision(10 mins)Individual workIndividual workClass activityStep 1: Encourage the Ss to read their homework assigned in Section C.T: Hi, boys and girls! Lets begin our class with your homework. Who would like to share
6、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 th
7、e answers to Grammar?T: Do you think so, class?T: Who would like to share your the answers to Functions?T: Is she right?Step3: Let the Ss sum up the compound sentences and expressions of giving suggestions.T: In this topic, we have learned compound sentences and giving suggestions. Now, lets sum up.
8、 Could you tell me the conjunctions used to combine compound sentences?T: Wonderful! You can name so many conjunctions. I hope you will remember them and use them in writing and speaking. Next, lets sum up expressions of giving suggestions. What do you usually use to give suggestions?Read their pass
9、ages assigned in Section CS1: Wind can produce a lot of energy.People use wind to travel on the sea. They put a large piece of cloth on the boat, and then the wind will make the boat move. In the north part of China, in the countryside, farmers usually use wind to clean their corns. In spring, child
10、ren use wind to fly their kites. People also use wind to produce power. Now, there are many countries building wind power stations.S2: Sunlight can produce a lot of energy. S3: Waves can produce a lot of energyS4: Complete Grammar and FunctionsS1: Ok. And, while, or, but.Ss: Yes.S2:Greener, shut off
11、, easier, louder, reach.Ss: Yes.Sum up the compound sentences and expressions of giving suggestions.S1: and, but, while ,orS2: however, soS3: not only but also, after allS4: for, since, asS5: besides, whats more, whats worseS6: should, shouldnt, mustS7: had better, had better not, dontS8: ought to 2
12、Pre-reading(10 mins)Class activityStep 1: Present a short video about the Amazon rainforests to learn some new words and lead to 1a. T: What do people call the Amazon rainforests? T: Yes. Do you know why people call it like this?T: So it does. It removes carbon dioxide and makes oxygen. Do you want
13、to live there?T: No? Why?T: What you said is right. There are many kinds of insects there. If they bite you, you may lose your life.Step2: Present another short video about the destruction of the rainforests to lead to the necessity of planting trees.T: What have you seen?T: Yes, in order to get mon
14、ey or farmland, people cut down the trees in the rainforests. As a result, the world climate may change and many birds and animals may be in danger. Luckily, many people have taken measures to do something. The volunteer planters around the world are planting new trees to replace destroyed area.Lear
15、n some new words and lead to 1a Ss:地球之肺。Ss:因为它吸收了大量的二氧化碳并释放氧气。Ss: No.S1:太潮湿了。S2: 有各种各样的有毒生物。如：蛇，蜘蛛等等。Learn about the destruction of the rainforests to lead to the necessity of planting trees. Ss: 大量的雨林被毁掉了。最好是播放一小段亚马孙热带雨林的视频，图片没有震撼力。3While-reading (6 mins)Individual workLet the Ss read 1a and answer the questions on page 50.T: Have you ever planted trees in the mountains?T: Now just imagine what problems you may have if you are
