九年级英语第十三单元课件unit13weretryingtosavetheearth共71张

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1、Unit 13 Were trying to save the earth!第1课时 Section A(1 a 2d)掌控学习目标 类别类别 学习重点学习重点 重点 单词 litter bottom fisherman coal ugly Advantage cost wooden plastic 重点 短语be full of close down play a part inclean up cut down instead of lead tomake a difference air pollution 重点 句式1.It used to be so clean!2.Everyone

2、 in this town should play a part in cleaning it up!3.The air has become really polluted around here.4.To cut down air pollution，we should take the bus or subway instead of driving.5.it doesnt cost anything!自主学习方案学生自学新单词和短语，看谁记得又快又准自查生词2023-1-11l l圾圾自查短语1.We must _ (关闭)the factory because it polluted

3、 the environment.2.He _ _(过去)be a farmer.3.We _ _(在方面起作)polluting the earth.2023-1-11close downused toplay a part in4.People have_(砍倒)too many trees.5.Our actions will _(影响，作用).2023-1-11cut downmake a difference 课堂导学方案 Step 1情景导入(2分钟)教师通过多媒体向学生展示一些动物死亡的图片，并要求学生用自己知道的词描述这些污染。环节说明:通过展示图片不仅复习了已学的单词，也与本

4、单元话题紧密联系，轻松调动学生的积极性。2023-1-11Step 2完成教材la一lc的任务 1.要求学生仔细看la的图片，并完成相应练习。(2分钟)2.请2-3名同学展示自己的答案，老师可做适当的补充并总结。(3分钟)2023-1-11 3.听录音，完成1b的练习，让学生模仿lc方框中的对话，自己用la中的信息编写对话，并请2-3组同学当堂展示。环节说明:通过学习la,lb,lc，不仅让学生掌握了新单词.也锻炼了学生的听说能力。2023-1-11 Step 3完成教材2a一2d的任务 1.要求学生翻开课本，播放第一遍录音，完成2a,2b的听力任务。(1分钟)2.要求学生听第二遍录音，并逐句

5、进行跟读。(2分钟)3.听力内容巩固训练。要求学生根据所听到的内容完成下列各句。完成后要求若干学生给出自己的答案，以巩固对听力内容的理解。(4分钟)2023-1-11(1)There _ _ _able to see stars in the sky,but now I cant see them clearly.(2)The air _ _really _around here.(3)Peoplere also _ in public places.(4)Factories that burn _also _ the air with a lot of black smoke.2023-1-

6、11usedtobehasbecomepollutedlitteringcoalpollute 4.大声朗读听力材料。（1分钟)5.播放听力材料，要求学生模仿听力内容，利用2a,2b的信息谈论空气污染情况。然后邀请2一3名同学当堂演示。看谁的表现最佳。(5分钟)6.两人一组练习2d的对话，并让2一3组同学当堂表演。2023-1-11 7.教师根据学生的理解对其重难点进行解。环节说明: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。2023-1-11 Step 4问题探究(10分钟)1.辨析instead，instead of与rathe

7、r than (1)instead作副词，意为“代替;而不是”，常位于句首或句末。(2)instead of和rather than都可以意为“而不是”，常位于句中，两者都可接名、代词等作宾语。若后接动词时，instead of后接v.-ing,rather than后常接动词原形。2023-1-11 eg：Last summer I went to Qingdao.This summer Im going to Dalian instead.去年夏天我去了青岛。今年夏天我将改去大连。We should do something instead of just talking about it

8、.=We should do something rather than just talk about it.我们不应该只是谈论，应该做点事。2023-1-11小结训练。(1)If youre busy,you may come another day _.(2)He would play computer games _do his homework.(3)You should try your best to finish it _ giving up.2023-1-11insteadrather than instead of 2.辨析cost，spend,take与pay (1)co

9、st的主语只能是物或事，而不能是人，常用于sth.cost(s)(sb.)some money结构中。(2)take主要指花时间，常用结构为“It takes sb.some time to do sth.”,it作形式主语，真正的主语是后面的动词不定式。take的主语也可以是某种活动，其后接宾语或双宾语。2023-1-11(3)spend的主语必须是人，常用于“spend time/money on sth.或spend time/money(in)doing sth.”结构中，其中in可省略。spend没有spend.to do结构。(4)pay的主语是人，通常用于“pay somemon

10、ey for sth.为而付款”结构，pay还可以跟双宾语。2023-1-11 eg：The dictionary costs 30 yuan.这本词典花 了三十元钱。It took me two hours to do my homework last night.昨晚我做作业花了两个小时。The journey took me two weeks.旅行花了我两周时间。He spent five dollars on the book.他买书花了五美元。2023-1-11 He has paid 50 dollars for the medicine.他已付了50美元买药。小结训练.(1)T

11、om _ for the meal just now.(2)How much do the shoes _？(3)I _an hour on this math problem this morning.(4)It usually _ me one hour to watch TV every day.2023-1-11paidcost spent takes 3.play a part in(doing)sth.在上扮演角色或起到作用 eg;They play a part in polluting air.4.make a difference有影响或作用 课堂练习 完成学生用书上课时作业

12、。2023-1-11第2课时 Section A(3 a 4d)掌控学习目标 类别类别 学习重点学习重点 重点 单词 cruel harmful industry law scientific afford 重点 短语hear of be harmful to the food chain at the top ofthrowinto take part in turn off pay for take action 重点 句式1.But in fact，around 70 million sharks are caught and traded in this industry every

13、year.2.The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.3.So far,no scientific studies have shown that shark fins are good for health，so why eat them?4.If their numbers drop too low,it will bring danger to all ocean life.自主学习方案学生自学新单词和短语，看谁记得又快又。自查生词2023-

14、1-112023-1-11自查短语1.He is standing _(在顶部)the mountain.2._（的数量)the students in our school is less than 1,000.3._(到目前为止)，we havent found the plane.4.We should _(参加)the game.5.Lets _(采取行动)now.2023-1-11at the topof.The number ofSo fartake part intake actionStep 1 情景导入(3分钟)老师利用多媒体，呈现鳖鱼的画面。然后提出问题。Have you

15、seen the sharks?T:Sharks are at the top of the food chain in the oceans ecosystem.Have you heard of shark fin soup?People cut off shark fins and throw the shark back into the ocean.Do you know its a good manners？People are crueland they are destroying the environment.To-2023-1-11 day we will learn t

16、he passage and learn about sharks.环节说明:借助多媒体课件，通过师生问答的方式导人新课，生动自然，能引起学生学习短文的兴趣。2023-1-11Step 2 完成教材3a一3b的任务1.要求学生快速默读短文，熟知大意，并完成课本3a的任务。然后邀请几位同学给出自己的答案，全班一起检查讨论。(3分钟)2.先邀请几位同学朗读短文，教师要注意学生的语音，及时纠正错误。然后播放录音，全班同学一起跟读。(3分钟)2023-1-11 3.再读短文，完成3b的任务，教师引导复习so,although,if,but,when等连词的用法。4.短文内容巩固练习。教师将短文中重点短

17、语及单词空出，让学生不看书补充完成。2023-1-11参考案例2023-1-11 环节说明:将读、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。2023-1-11Step 3 完成教材Grammar Focus一4c的任务 1.学生读Grammar Focus中的句子，教师引导学生归纳语法知识，参考学案单元语法归纳与精练，并完成对应的练习。2.学生独立完成4a-4b的任务，然后让学生归纳情态动词的用法。3.两人一组完成4c的任务，并列出清单。2023-1-11Step 4 问题探究(5分钟)Many have heard of shark fin

18、soup.许多人听说过鳖鱼鳍汤。注意:复习现在完成时。表示过去发生的动作对现在造成的影响或动作从过去某个时间开始，一直延续到现在并且能延续下去:have/has+Vp.p.(短暂性动词不能与一段时间连用)。2023-1-11小结训练。()1.-(滩坊中考)Are Betty and Lingling still living in Beijing?-No.They _to Qingdao.A.will move B.are moved C.have just moved D.move()2.(黔西南中考)I_ _ my hometown for a long time,I really mis

19、s it.A.left B.went away from 2023-1-11C DC.have left D.have been away from2023-1-11课堂练习 完成学生用书上课时作业。2023-1-11第3课时 Section B(1 a 1e)掌控学习目标 类别类别 学习重点学习重点 重点 单词recycle 重点 短语turn off ride in cars 重点 句式1.Recycling paper is really easy.2.But its hard to stop riding in cars.3.-We really shouldnt use paper

20、napkins，you know.4.-I know I stopped using them last year.自主学习方案2023-1-11 学生自学新单词和短语，看谁记得又快又 准。自查生词2023-1-11课堂导学方案 Step 1 情景导入(3分钟)老师利用多媒体工具呈现一些有关环境污染、交通拥挤、浪费水电等的画面，引导学生谈论画面中的现象。The traffic is so heavy.It causes air pollution.So what should we do？We shouldnt waste water and elec-tricity.What should

21、we do？并把学生的答案写在黑板上。2023-1-111.We should take buses more.2.We should turn off the lights when we leave the room.3.We shouldnt use paper napkins.4.We should recycle books and paper.5.Turn off the shower while we are washing our hair.6.We stop riding in cars.2023-1-11 环节说明:通过多媒体呈现画面，自然、生 动、具体地引出本课的话题及重

22、要句子，同时拓展了学生的知识面，并且很自然的导人本节课的内容。2023-1-11Step 2 完成教材la一1e的任务 1.要求学生翻开课本，迅速阅读la的内容。并按要求完成课本上相应的任务。然后要求5 8名同学给出自己的答案，教师可以与学生一起讨论答案。(3分钟)2.完成1b的任务。阐述他们的观点并依照1b的对话形式编写对话。老师请2一3组同学朗读他们的对话。(3分钟)2023-1-11 3.听第一遍录音，完成课本上lc的任务。(2分钟)4.听第二遍录音，完成课本上1d的任务。(2分钟)5.让学生利用lc方框中的信息模仿1e方框中的对话练习编写对话。并请3-4组同学展示他们的对话。(5分钟)

23、2023-1-11小结习训练 (3分钟)1.Its hard _(stop)driving.2.We shouldnt _(use)paper napkins.3.Take your own bags when _(shop).4._(save)endangered animals is very important now.5.My uncle is a greener.He stopped _(use)paper napkins last year.2023-1-11to stopuseshoppingSavingusing环节说明 听、说、读、写相结合锻炼了学生的语言综合运用能力。202

24、3-1-11 Step 3 问题探究 (7分钟)1.辨析stop to do sth.与stop doing sth.(1)stop to do sth.指停下前一件事，去做另一件事 eg：You re too tried,stop to have a rest.(意为停止手头工作，然后休息一会)(2)stop doing sth.指停止手头上正做的事 eg：You should stop throwing litter into the river.(意为停止向河里扔垃级)2023-1-11 2.句型 Its+adj.+for sb.to do sth.”意为“对某人来说做某事”;句型 It

25、s+adj.+of sb.to dosth.”意为“某人做某事”。两种句型中，it为形式主语，真正的主语为to do sth.。【注意】在此句型中，中间是用介词of还是用介词for，取决于形容词。当形容词修辞sb.时，应用介词of;当形容词修饰to do sth.时，用介词for。2023-1-11 eg：Its very kind of you to say so.你这样说真是太好了。Its a little difficult for students to learn English.学习英语对于学生来说有点儿难。2023-1-11小结训练()1.Its dangerous_with t

26、he wild anmal.A.for us to play B.of us playing C.for us playing D.of us to play()2.Its nice_ you_ me with my math.A.for;to help B.of us;to help C.for;helping D.of;helping2023-1-11 AB()3.Mr.Brown asked us to stop _,and we stopped _to him at once.A.talking;to listen B.to talk;to listen C.talking;liste

27、ning D.to talk;listen()4._is very important_endangered animals.A.This;to save B.It;to save C.That;to save D.It;saved2023-1-11AB课堂练习 完成学生用书上课时作业。2023-1-11第4课时 Section B(2 a 2e)掌控学习目标 类别类别 学习重点学习重点 重点 单词 gate bottle work president metalcreativity 重点 短语throw away pull down build sth.out of put sth.to g

28、ood use be made of/from set up turn sth.upside downbe known for bring back to not only.but also.重点 句式1.Have you ever thought about how these things can actuallv be put to good use?2.She lives in a house in the UK that she built herself out of rubbish.3.Amy isnt the only one who is good at recycling.

29、4.She has been doing this for a few years now.自主学习方案学生自学新单词和短语，看谁记得又快又准。自查生词2023-1-112023-1-11自查短语1.Dont _(扔掉)the reusable things.2.The rest time must be _(充分利用好).3.The house _(由建造的）rubbish.4.My coat _(由.制成)cotton.5.The table _(被倒转了)to use.2023-1-11throw awayput to good usewas built out ofis made of

30、is turned upside down6.He is _my teacher _(不仅而且)my friend.2023-1-11not only but also课堂导学方案Step 1 情景导入(2分钟)T:Do you know how some people save energy and cut down pollution?The passage will tell you about them.Have you seen the house that is built out of rubbish?What else can rubbish be used to do？Let

31、s read the passage.2023-1-11Step 2 完成教材2a一2e的任务1.快速浏览2b中的图片，完成2a的任务。(1分钟)2.要求学生快速读短文，完成2b的问题。(3分钟)3.先邀请几位同学朗读短文，教师要注意学生的语音，及时纠正错误。然后播放录音，全班同学一起跟读。(3分钟)2023-1-114.再细读短文。选用方框中的短语，并用其正确形式补全2c中的句子。5.学生和老师共同完成学生练习学案，然后教师讲解其难点。6.读文章10分钟，让学生完成2d的任务。(在短文中画出含有2d方框中的词)7.以小组为单位讨论学生们需要做什么来保护 环境，然后列出清单。2023-1-11

32、 8.教师让每小组代表列出各组的有关保护环境的方法，然后全班分享。9.短文内容巩固练习。教师可将短文改写成对话。将一些重点的表达方式空出。让学生在规定的时间内补全对话。然后邀请若干同学给出自己的答案。(4分钟)2023-1-11A:Look!Who is the woman?B:She is Amy Hayes,a _woman.A:Oh,whats she famous for?B:She used_ to build a house for herself.A:That sounds interesting.How did she build such a house?B:The wind

33、ows and doors come from old2023-1-11most unusual rubbish buildings around her town that were_.The top of the house is an old boat_.A:And the gate?B:The gate _rocks and old glass bottles.A:She is really great.2023-1-11pulled downturned upside downis made of B:Yeah.She _from the Help Save Our Planet S

34、ociety because she is an_to us all.A:What does she do in her spare time?B:She _ out of _clothes and sells them.2023-1-11won a prize inspirationmakes bags old小结习训练 (4分钟)1.围栏是由用过的玻璃瓶做成的。The fence is built _ _ _old glass bottles.2.王涛因用来自旧车的金属和其他材料造出漂亮的艺术物体而闻名。Wang Tao _ _ _metal and other materials fro

35、m old cars to make beautiful art pieces.2023-1-11outofusedisknownfor using 3.即使是坚硬的铁也可以产生活力，只需要一点 创造力。Even though hard iron can _ _ _to life with a little creativity.环节说明: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。2023-1-11bebroughtback Step 3 完成教材3a一3b的任务1.根据学生家乡的实际情况完成3a的表格。2.根据3a中的信息及3b

36、中的提示完成写作任务。3.参考学案中的单元写作指导并完成本单元的写作任务。2023-1-11Step 4 问题探究(5分钟)build.out of意为“用建造”，out of后常接表示原材料的内容。make也可以与(out)of连用。拓展与make相关的短语:(1)be made of由制成(从制成品中可以看出原材料)eg:Desks are made of wood.2023-1-11(2)be made from由制成(从制成品中看不出原材料)eg：Paper is made from wood.(3)be made out of用改制而成(of后跟原材料或另一物品名称)eg:The m

37、odel toy is made out of old TVs.2023-1-11(4)be made into把制成其产品 eg：Bamboo can be made into good walking sticks and fishing poles.(5)be made in+地点，表示某一产品在某地生产或制造 eg:The watch is made in Japan.2023-1-11(6)be made by由制造，by后接动作执行者。eg:The model plane is made by my little brother.(7)be made up of由组成eg:The medical team is made up of ten doctors.2023-1-11课堂练习 完成学生用书上课时作业。2023-1-11