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1、Section A单词 垃圾；废弃物乱扔 n.litter v.底部；最下部bottom n.渔民；人fisherman n.煤；煤块coal n.丑陋的；难看的ugly adj.中 利条件 advantage n.庆费；价钱 cost v.花费wooden adj.木制的；木头的 n.塑料；塑胶塑料的 plastic a 的；残忍的cruel adj.有害的harmful adj.行业工业；indusl 律；法规law n. scientific adj.科学上的；科学的 承担得起（无 买得起afford v.外卖食物takeaway n.垃圾箱bin n.鲨鱼sh鳍fin n.（鱼 链子；
2、链条 chain n. ecosystem n态系统页4第可重复使用的；可再次使用的reusable adj.运输业；transpo短语be harmful to对 有害 at the top of在 顶部或顶端 th chain食物链take part in参加turn off关掉 付费；付出代价采取行动take action句型!我们正在努力1丞救地球！ 1.We're trying to save the earth主 气污染很严重。2.The air is badly polluted.3. No scientific stud shown that shark fins ar
3、e good forhealth.没有科学研究表明鲨鱼鳍对健康有利。4. We shousave the sharks.我们应该帮助拯救鲨鱼。Section B单词recycle v.回收利用；再利用 大门gate n. n.瓶子bottle 1主席；总统president n. work n.（音乐、艺术）作品metal n.金属 napkin n.餐巾; 餐巾名氏inspiration n.灵感； 鼓弟人（或事物）iron n.铁creativity n.创造力；独创性短语扔掉；抛弃throw away好好利用某物put sth. to good use打毁downpull 上卜颠倒；倒转
4、 upside downbring back恢复;使想起；归还句型你是否 1. Do you often throw away things you don't need anym 经常把你不再需要的东西扔掉呢？ 2. Have you ever thought how these things can actually be put你曾经考虑过怎样将这些东西好好利用吗？to good use? 3.windows and doors come from old buildings around her town that were pulled down.门窗来自她所住的镇上被拆除的
5、旧建4. She opened a small shop where she sells her bags, and she 她开了一家小店卖她制作的包， set up a website to sell them 并且她还开了一家网店出售它们。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。能力目标以“保护环境”为主题，运用本课相关句型与他人展开讨论；能 介绍有哪几种污染类型，怎样回收利用废弃物品等。情感目标体会到保护环境的重要性，学会保护大自然、保护地球，从身边 做起，号召大家参与到保护环境的行动中来。课时 本单元建议5【课时建议】课时)ISect
6、ion A (1a2d 1课时)(3a 4cSectionA 1课时(1a1d) SectionB 课时2e)12aSection B( 1)课时Section B (3a3b 词汇短语：主要采用多媒体及图片展示法。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一一采用“巧记歌诀”记忆法。被动语态的用法 谁的动作不知道，说出谁做没必要；承受之人需强调，被动语态莫忘了。)课时(第11a2dSection A类别学习重点页4第重点单词litter, bottom, fisherman, coal, ugly, advantage,
7、cost, wooden, plastic重点短语close down, play a part in, clean up, cut down, instead of, make a diff lead to重点句式1. It used to be so clean.2. Everyone in this town should play a part in cleaning it up 3. The ai become really polluted around here.4. Well, to cut down air pollution, we should take the bus
8、or subway instead of driving.、中.、， 课刖预习写一写fisherman渔民 3.底部2.bottom1.垃圾litteradvantage 优点 6.5.丑陋的 ugly4.煤 coalplastic 9.塑料8.木制的 wooden7.花费 cost译一译play a part in 参与； 起作用 2.close down 1.关闭cut down减少 4.3.打扫干净 clean upmake a difference 6.起看影响5.代替instead oflead to 8通往；导致used to 7过去常常背一背它过去是那么干净。1.It used
9、to be so clean.这个镇上每个人都应该参与清理河流。2.Everyone in this town fplay a part in cleaning it up!3.这附近的空气真的被污染了。页5第The air has become really polluted around here.4.为了减少空气污染，我们应该乘公汽或地铁，而不开车。To c air pollution, we should take the bus or subway instead of driving.新课 There's more and more pollution in the wor
10、ld now, such as noise pollution, air pc 导入 water pollution and so on. Is there any pollution in your hometown? Please discu your partner.新课【完成教材1a1c的教学任务】展示1.要求学生仔细看1a的图片，并完成相应练习。2 .请23名同学展示自己的答案，老师可做适当的补充并总结。3 .听录音，完成1b的练习，让学生模仿1c中的对话，用1a中的信息编造自 话，并请23组同学当堂演示。典例参考A: The street was so noisy.B: But i
11、t used to be quieter.A: Yes, but there are too many shops playing loud music.B: Everyone in this city should play a part in cutting down noise.【语法提要】to ,表示过去存在或经常发生但现在已 used to为固定结构，意为“曾经；过- 经停止的行为或习惯，后接动词原形。 We used to live in London.我们曾在伦 过。例句：但是现她过去真的很文静， She used to be really quiet, but now sh o
12、utgoing.在她很外向。+ didn't + use它的否定结构为“主语used to注意：不与表示 时间状语连用。Used+ “其他？ ”动词原形+或主语；to+动词原形”它的一般 构为“Did+use to+其他？” +。主语+to+动词原形 她过去不常来。She did / usedn't to come例句：=Used he to be a writer?他过去是名作家吗？ ？ Did h be a writer 页 7 第。其中做某事”适应于某事/拓展：be / get used to sth. / doing sth.表示“习 used是形容词，意为“习惯；适应
13、”我习惯早起。例句：I am used to gettingYou'll soon get/be used to his sense of humor你不久就会适应他的幽默感。2.part in形式。代词或v.-ing “参与某事；在方面起作用”，后接名词、play a parplay an important part in ;某事“play an active part in (doing) sth. “积极参与 (doing) sth. “在(做)某事中发挥重要作用”她积极参与政治活动。例句：San active part in politics.我想积极参力口学校活动。I wa
14、nt to play an active part in school activities.公共交通在我们的日 Public transportation plays an important part in our daily lil 生活中发挥着重要作用。【问题探究】)so many trees on the hills.过去有1. Th to be (2. We should play a part in cleaning (clean) the city up.【完成教材2a2d的教学任务】 的听力任务。2a,2b1要求学生翻开课本P9 第一遍录音，完成 要求学生听第二遍录音，并逐句
15、进行跟读。2.听力内容巩根 要求学生根据所听到的内容完成下列各句。完成后要求若干3.学生给出自己白 以巩固对听力内容的理解。(1) The air has become really polluted around there页8第(2)I used to see the stars clearly.(3)People are also littering in public places.4 .大声朗读听力材料。5 .播放听力材料，要求学生模仿听力内容，利用2a,2b信息谈论空气污染情况邀请23名同学当堂表演，看谁的表现最佳。6 .两人一组练习2d的对话，并让23组同学当堂表演。7 .教师根
16、据学生的理解对其重难点进行讲解。【语法提要】1.cost cost作动词，意为花费，它的主语只能是物，不能是人。辨析：take, spend, costW pay四者均用作动词，表“花费”，具体区另U如下表：take spend cost pay式主语人多长时间”句型中其主语是spend some人或常用于 spend some time/money doing sth./timesth. “花费时间/金钱做某事”或“在某事 金钱”物上花时间/其主语是某物花费某人“某事/常用于sth. cost(s) sb. some物少钱”句型中常用it作形常用于 it takes/took sb. som
17、e time to do其主语是人“某人为某物花常用于 sb. pay(s) some time/money费多少时间/金钱”句型中页9第instead of作介词短语，意为“代替;而不是"，后面常跟名词、代词或v.ing形W 为“代替做某事" 。instead of doing sth例句：She went to school instead of sti home.她没有待在家里而是去上学了。辨析： instead of与instead instead of【问题探究】(A)1.山东青岛中考)A one-way round-trip. A. costs; pay (Iw
18、ent to climb mountains going shopping. A. instead介词短语，其后可跟名词、We can take a bus to work instead形式。代词或v.-ing driving.我们可以坐公交车而不是去上班。副词，常位于句末，位于 He didn't reply. Instead, he left the句首时，其后有逗号回答，反而离开了房间。room.C. pay; spend D. 1How much is the ticket to Central Park? a $20 for and you can anotherticke
19、t$40, D. spends; pay B. cost; spendthe placeC. prefer toB. instead of活学活(A) 1.(贵州黔西南州中考)Mariawatch TV, but now sheB.is used to; used to D.is us(listening to music. A. used to; is used to used toC. used to; used to页10第the environment.2.Everyone should play a part in (C) D. protected C. protectin prot
20、ects A. protectSmart phones are more and more popular now.一湖北十堰中考)(B) 3.(So they are. But they still too much.D. spendC. take A .pay B. cost ) for what's right instead of about ) 4.We should be grateful心存感激的(Cwhat's wrong.D. complainedA. complain B. complains C. complaining布置作业：教师引导学生课后完成本课时对应练习，并预习下一课时内容。教学 本课时通过听、说、读、写训练让学生对污染的词汇及其相关的语言知识有了反思 的掌握，并能听懂和表达有关污染的现象、导致污染的原因及治理措施。教学过程中老师的疑问：教师点评和总结:页 11 第