1、Unit 13Were trying to save the earth!类别课程标准要求掌握的项目话题In this unit，students learn to talk about pollution and environmental protection.重点单词Section A1litter v乱扔n.垃圾；废弃物2bottom n底部；最下部3fisherman n渔民；钓鱼的人4coal n煤；煤块5ugly adj.丑陋的；难看的6advantage n优点；有利条件7cost v花费n.花费；价钱8wooden adj.木制的；木头的9plastic adj.塑料的n.塑
2、料；塑胶10cruel adj.残酷的；残忍的11industry n工业；行业12.harmful adj.有害的13law n法律；法规14scientific adj. 科学上的；科学的15afford v承担得起(后果)；买得起Section B16recycle v回收利用；再利用17gate n大门18bottle n瓶子19president n负责人；主席；总统20work n(音乐、艺术)作品21metal n金属重点短语1.the bottom of the river河床底部2be full of rubbish充满了垃圾3throw litter into the ri
3、ver把垃圾扔进河里4play a part in cleaning it up尽一份力把它清洗干净5land pollution土地污染6pollute the air with black smoke使空气中充满了黑烟7cut down air pollution减少空气污染8make a difference产生影响9be harmful to对有害10at the top of the food chain处于食物链的顶端11in the last 20 to 30 years在最近的2030年间12environmental protection groups around the
4、world全球环境保护组织13develop laws健全法律14the sale of shark fins鱼鳍买卖15take part in参加16cant afford to do sth.负担不起做某事17take action采取行动18.turn off关掉19pay for付费；付出代价20add up累加21use public transportation使用公共交通22recycle books and paper回收书和废纸23use paper napkins使用纸巾24turn off the shower关掉喷头25ride in cars开车出行26throw
5、away扔掉；抛弃27put sth.to good use好好利用某物28pulldown拆下；摧毁29an old boat turned upside down一艘倒过来的旧船30be an inspiration to sb.成为某人的榜样31set up a website建立一个网站32a “metal art”theme park一个“金属艺术”主题公园33be known for以而闻名34not onlybut also不仅而且重点句型1.Even the bottom of the river was full of rubbish.即使河底都满是垃圾。2Everyone
6、in this town should play a part in cleaning it up！这个城镇的每一个人都应当尽一份力把它清理干净！3The air is badly polluted because there are more cars on the road these days.空气被严重污染是因为如今路上的汽车更多了。4To cut down air pollution，we should take the bus or subway instead of driving.为了减少空气污染，我们应该乘坐公共汽车或地铁而不是开车。5I used to be able to
7、 see stars in the sky.我过去能在天空中看到星星。6The 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。7No scientific studies have shown that shark fins are good for health.没有科学研究表明鲨鱼鳍对人们的健康有好处。单元语法现在进行时；被动语态；现在完成时。 知识目标复习现在进行时，现在完成时和被动语态等的用法。能力目标1.结合上下文语境和前后缀或其他构词特征猜测词义；2.借助
8、文章标题及插图对语篇内容进行合理推测。情感目标1.帮助学生关注环境污染的严重危害；2.引导学生保护环境，关爱动物。【课时建议】本单元建议5课时Section A (1a2d)(一课时)Section A (3a3b)(一课时)Section A (Grammar Focus4c)(一课时)Section B (1a1e)(一课时)Section B (2a2e)(一课时)词汇短语：主要采用图片及多媒体展示助记法。基本句子：采用图片展示及交际法(利用多媒体展示两人进行交际时的情景)。语法：复习现在进行时、现在完成时和被动语态采用“巧记歌诀”记忆法。第一课时Section A (1a2d)主备内容
9、Section A (1a2d)教学目标【知识目标】Important words：litter；bottom；fisherman；coal；ugly；advantage；cost；wooden；plasticImportant phrases：the bottom of the river；be full of rubbish；throw litter into the river；play a part in cleaning it up；land pollution；pollute the air with black smoke；cut down air pollution；make
10、a differenceImportant sentences：1Everyone in this town should play a part in cleaning it up!2The air is badly polluted because there are more cars on the road these days.3To cut down air pollution，we should take the bus or subway instead of driving.4I used to be able to see stars in the sky.5The air
11、 has become really polluted around here.Im getting very worried.【能力目标】学会用被动语态，现在进行时，used to结构谈论环境污染问题；积累丰富的与环保话题相关的词汇、语块和句子表达。【情感目标】帮助学生关注环境污染的严重危害，并积极思考解决措施。教学重难点重点：本课时的重点单词和短语。难点：教会学生谈论环境污染；引导学生思考环保措施。教法学法情景教学法；问答法；讨论法Step 1自主学习【新词自查】根据句意及汉语提示填写单词。1We should put up a notice to stop from _littering
12、_(乱扔垃圾)2The teacher asked us to find a way to pick up the coins at the _bottom_(底部) of the bottle.3There are no more fish for _fishermen_(渔夫) to catch in the river.4We should take the paper bags to go shopping instead of the _plastic_(塑料) ones.5Could you please tell us another _advantage_(优点) of rid
13、ing a bike to work?Step 2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 pollution do you know?What do you feel about the pollution?Students：I think there are _noise pollutionair pollutionwater pollutionland pollution设计意图：通过视频和课前的一个师生问答互动引入新课的话题。Step 3完成教材1a1c的任务【操作案例】1要求学生
14、翻开课本P97，迅速阅读1a部分的内容。把方框中的单词及短语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。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23名同学给出自己的答案，并把收集的答案列举在黑板上。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23名同学读出所填单词和完整的句子。4要求学生听第二遍录音，并逐句进行跟读。5完成教材1c的任务，要求学生参照1a的内容，编造自己的关于污染的对话并进行对话练习。然后请23对同学当堂进行演示。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。有错误的话及时纠正。设计意图：
15、通过学习1a，使学生对各种类型的污染有所了解，并掌握一些描述污染的词汇；通过1b，锻炼学生的听力及抓取关键信息的能力；通过1c的训练锻炼学生口头表达能力，同时巩固对本课内容的认识。Step 4完成教材2a2d的任务【操作案例】1要求学生翻开课本P98。播放第一遍录音，完成2a听力任务，然后个别检查，统一核对答案。2要求学生听第二遍录音，完成2b听力任务并统一核对答案。3大声朗读听力材料。4放下听力材料，要求学生模仿听力内容，利用2a及2b的信息分角色练习Jason与Susan的对话。然后邀请23对同学当堂演示，看哪一对的表现最佳。5播放2d的对话录音，让学生跟读、模仿并理解大意。然后让学生分角
16、色朗读并表演2d的对话。设计意图：将听、说、读、写的任务结合起来，不仅锻炼了学生的语言综合运用能力，还巩固了学生对目标语言的学习、识记和运用。同时小组合作对话训练了同学们的合作意识和团队精神；对话的当堂演示使同学们有了学英语的成就感，张扬了个性。【知识点拨】To cut down air pollution，we should take the bus or subway instead of driving.为了减少空气污染，我们应该乘坐公共汽车或地铁而不是开车。to do sth.作目的状语，意为“为了”。instead of n/v.ing 意为“而不是；代替”。It doesnt co
17、st anything！它不花费任何东西！cost意为“花费”，主语常为物。And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone.记住把垃圾扔进垃圾箱，保持公共场所对所有人都是干净漂亮的。remember to do sth.意为“记得去做某事”。keep sb./ sth. adj.意为“保持某人或某物的某种状态”。So together，our actions can make a difference and lead to a better fu
18、ture! 我们齐心协力就能改善环境，创造美好的未来！make a difference意为“有影响；起(重要)作用”。lead to意为“通向；导致”。Step 5完成名师测控基础知识闯关相应练习。Step 6板书设计Section A (1a2d)Important words：litter；bottom；fisherman；coal；ugly；advantage；cost；wooden；plasticImportant phrases：the bottom of the river；be full of rubbish；throw litter into the river；play a
19、 part in cleaning it up；land pollution；pollute the air with black smoke；cut down air pollution；make a differenceImportant sentences：1Everyone in this town should play a part in cleaning it up!2The air is badly polluted because there are more cars on the road these days.3To cut down air pollution，we should take the bus or subway instead of driving.4I used to be able to see stars in the sky.5The air has become really polluted around here.Im getting very worried.通过本课时的学习，学生对used to结构谈论环境污染问题有了进一步的理解，锻炼了学生听录音时抓取关键信息的能力；在情境中理解对话中的语言点，通过不同方法反复操练对话，最后达到能够分角色表演对话的能力。