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1、备课大师网：免费备课！Unit 13 We are trying to save the earth!单元总览类别课程标准要求掌握的项目单元话题In this unit, students learn to talk aboutpollution and environmental protection重点单词1. litter v.乱扔；n. 垃圾；2. ugly adj. 丑陋的；3. advantage n. 优点；4. cost v. 花费；5. wooden adj. 木制的；6. bottom n. 底部；7. fisherman n. 渔民；8. coal n. 煤；9. pla
2、stic adj. 塑料的；10. takeaway n. 外卖食物；11. bin n. 垃圾箱12. shark n. 鲨鱼；13. fin n. 鱼 鳍14. method n. 方法；15. cruel adj. 残酷的；16. harmful adj. 有害的；17. chain n. 链条；18. ecosystem n. 生态系统；19. industry n. 工业；20. law n. 法律；21. afford v. 承担得起；22. recycle v. 回收利用；23. reusable adj. 可重复使用的；24. transportation n. 运输业；25.
3、 napkin n. 餐巾；26. gate n 大门；27. bottle n. 瓶子；28. president n. 负责人，总统；29. inspiration n. 灵感；30. iron n. 铁；31. work n. （音乐，艺术）作品32. metal n. 金属；33. creativity n. 创造力；重点词组1. at the bottom of the river在河床底部 2. be full of the rubbish充满了垃圾 3. throw litter into the river把垃圾扔入河中 4. play a part in cleaning i
4、t up尽一份力把它清理干净 5. land pollution土地污染 6. fill the air with black smoke使空气中充满了黑烟 7. cut down air pollution减少空气污染 8. make a difference产生影响 9. shark fin soup鱼鳍汤10. at the top of the food chain处于食物链的顶端11. in the last 20 to 30 years在最近的20到30年间12. environmental protection groups around the world 全球环境保护组织13
5、.develop laws 建全法律14.the sale of shark fins 鱼鳍买卖15. take part in 参加16. cant afford to do sth 负担不起做某事17. take action 采取行动18. turn off 关掉 19. pay for付费20. add up累加21. use public transportation 使用公共交通22. recycle books and paper 回收书和废纸23. use paper napkins 使用纸巾24. turn off the shower 关掉喷头25. ride in car
6、s 开车出行26. throw away 扔掉27. put sth to good use 好好利用28. pulldown拆下29. an old boat turned upside down一艘倒过来的旧船30. be an inspiration to sb 成为的榜样31. set up a website 建立一个网站32. a “metal art” theme park 一个“金属艺术”主题公园33. be known for 以而闻名34. not onlybut also不仅而且重点句式1.Even the bottom of the river was full of
7、rubbish. 即使河底都充满垃圾。2. Everyone in town should play a part in cleaning it up.城里的每个人都应当尽一份力把它清理干净。3. The air is badly polluted because there are too many cars on the road these days.空气被严重污染因为如今路上的汽车太多了。4. To cut down air pollution, we should take the bus or subway instead of driving.为了减少空气污染，我们应当乘坐公汽或
8、地铁而不是开车。5. I used to be able to see stars in the sky.我过去能在天空中看到星星。6. The air has become really polluted around here. Im getting very worried.这儿的空气真的已经被污染了，我非常担心。7. No scientific studies have shown that shark fins are good for health. 没有科学研究说明鱼鳍对人们的健康有好处。单元语法Review of key structures.课时分解http:/ http:/
9、 Section A（1a 2d）I.I. 知识目标类别课时要点重点单词1. litter v.乱扔；n. 垃圾；2. ugly adj. 丑陋的；3. advantage n. 优点；4. cost v. 花费；5. wooden adj. 木制的；6. bottom n. 底部；7. fisherman n. 渔民；8. coal n. 煤；9. plastic adj. 塑料的；10. takeaway n. 外卖食物；11. bin n. 垃圾箱重点词组1. at the bottom of the river在河床底部 2. be full of the rubbish充满了垃圾 3
10、. throw litter into the river把垃圾扔入河中 4. play a part in cleaning it up尽一份力把它清理干净 5. land pollution土地污染 6. fill the air with black smoke使空气中充满了黑烟 7. cut down air pollution减少空气污染 8. make a difference产生影响 重点句式1. Everyone in town should play a part in cleaning it up.城里的每个人都应当尽一份力把它清理干净。 2. The air is bad
11、ly polluted because there are too many cars on the road these days.空气被严重污染因为如今路上的汽车太多了。3. To cut down air pollution, we should take the bus or subway instead of driving.为了减少空气污染，我们应当乘坐公汽或地铁而不是开车。4. I used to be able to see stars in the sky.我过去能在天空中看到星星。5. The air has become really polluted around he
12、re. Im getting very worried.这儿的空气真的已经被污染了，我非常担心。II. 课堂环节自主学习方案【自学自查】根据汉语提示完成单词。1. We should put up notice to stop from littering (乱扔）。2. The teacher asked us to find a way to pickup the coins at thebottom (底部）of the bottle.3. There are no more fish forfishermen (渔夫）to catch in the river.4. We should
13、 take the paper bags to go shopping instead of the plastic (塑料）ones.5. Could you please tell us another advantage(优点）of riding bike to work?课堂导学方案Step 1 情景导入（参考案例）用多媒体给学生播放一些有关环境污染的图片或视频，然后询问学生对环境污染的看法和观点。Teacher:What kinds of pollutions do you know？ What do you feel about the pollution?Students: I
14、think there are_. noise pollution air pollutionwater pollution环节说明：通过视频和课前的一个师生问答互动引入新课的话题Step 2 完成教材1a-1c的任务【操作案例】1. 要求学生翻开课本P97，迅速阅读1a部分的内容。把方框中的单词按它们产生污染的类型写入相应的栏目中，并添加更多的单词。（1分钟）2. 检查答案，先要求全班一起给出答案并检查讨论。然后要求2-3名同学给出自己的答案，并把收集的答案列举在黑板上。（3分钟）3. 要求学生听第一遍录音，并根据听到的内容完成课本上1b表格中的句子。然后要求2-3名同学读出序号-读出所填单
15、词-读出完整的句子（2分钟） 1. polluted, rubbish, fish 2. litter, rubbish 3. newspaper, stop, clean4. 要求学生听第二遍录音，并逐句进行跟读。（2分钟）5. 完成教材1c的任务，要求学生模仿1a内容，编造自己的关于污染的对话并进行对话练习。并邀请2-3对同学当堂进行演示。（3分钟）6. 小结训练。要求学生在规定的时间内完成一个小练习。并请若干学生给出自己的答案。有错误的话及时解决纠正。（2分钟）用所给词的适当形式填空。1. There are many kinds of pollutions（pollute）in our daily life.2. All of the students should take part in keeping (keep) our school clean and tidy.3
