版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
1、高中英语全英文教案模板Teaching focus.Realize the damage caused to the world and figure out the reasons.Find ways to stop the earth from being polluted by discussing in groups.Teaching approachesElicitation, Mutual Interaction.Teaching aidInteractive multimedia teaching.Teaching processStep 1 RevisionCheck note
2、-makingEarth: not enough rain, too many cattle, cutting down trees, strong windsAir: smoke from factories, power stations, cars, chemical rain, accidents at power stations and factoriesWater: waste from factories and citiesStep 2 PresentationPresent a series of images depicting the natural beauty of
3、 the earth, then the pollution. Highlight the sharp contrast between them. Guide the students to the conclusion: The earth used to be much more beautiful than now; the earth is in danger due to the increasing pollution.Study the map on the textbook, then scan the passages to figure out where on the
4、world atlas the damage has happened. Encourage the students to give out their point of view toward the pollution issue.Step 3 Audiovisual LearningThe students watch a video on the text, then do the following true or false questions.Many parts of the world with large population and plenty of crops ha
5、ve become deserts. TLand may become poor if farmers do not limit the numbers of their cattle. TGood soil is gradually lost these days as trees are being cut down. TAir pollution and water pollution are the two causes of the problem that many parts of the world have become deserts. FChemicals in the
6、smoke from power stations can travel hundreds of miles in the wind before falling down to the ground in the rain. FAfter a bad accident at a nuclear power station, 50% of the trees in Germany were damaged. FThe writer to explain how water is polluted uses the examples of the accidents in both Indiaa
7、nd Russian. FOnce oceans are polluted, they are not able to clean themselves. FStep 4 Intensive ReadingRead the passages again for some detailed information1. To say something about the damage that is caused to the world by pollution, using the information from the text. Try to present possible ways
8、 to help solve the problems.PhenomenaCausesSuggestionsEARTHThe area of desert is growing every year.Cattle eat grass.Limit the number of the cattle.Good soil is gradually lost.Trees being cut down; strong winds blowing the valuable soil away.Plant more trees and try to protect them.AIRAir is being p
9、olluted.Factories, power stations and cars produce a lot of waste.A lot of things have to be done to reduce pollution. New laws should be passed and people should realize how serious the problem is.A lot of people died from polluted air in both Russia and India.There were serious accidents that poll
10、uted the air.Step 5 DiscussionTrees in the forest are destroyed and fish in the lakes are killed.Chemical rain.WA TERIn some places it s no longer safe for swimming, nor is it safe to eat the fish.Factories and cities produce a lot of waste.Same as above.Lake Baikal, which used to be cleanest I the
11、world, s now polluted.Waste produced from a chemical factory.2.to summarize the text by giving the main idea of each passage.Earth:The area of desert is growing and good soil is gradually lost.Air:Chemicals in the smoke cause a lot of damage and serious accidents took placefrom time to time.Water:Wa
12、ter pollution is caused by man s waste. The waters of this great lake have been dirtied and 4800 square km of ocean were polluted by oil.Appoint one student to host the discussion. The rest of the class fall into groups of 4, changing ideas on the following question.(1What kind of pollution can you
13、think of?(2Why trees are important?(3What are the causes of water pollution?(4 What can be done to stop land from becoming into desert?(5 What else do we know about the problems that the earth is facing?(6 What steps should we take to save the earth?Step 6 Role playThe students take turns to play th
14、e role of a newspaper reporter, making interviews with heads of factories (e.g. A papermaking factory which are seriously polluting air and/or water. Record the interviews and compose a report.Step 7 Assignment(1 Read the additional materials about pollution and do the reading comprehension exercise
15、s.(2 Finish the report.Thanks for attending this class!资料我国环境污染现状令人担忧据专家估计,中国每年因环境污染造成的损失达到二千八百三十亿元人民币,其 中,仅水污 染一项,估计一年造成经济损失约五百亿元。据香港东方日报报导,自六十年代至今,中国有环境监测的四百三十二条 大小河流中,八成受到不同程度的水体污染,其中大江河经过城镇河段的占二成,支流受 污染的占六 成,全中国二千八百多个湖泊,凡能接纳城镇污水的,大多出现水体负氧 化现象。由于地下水过度开采,京津沪大面积出现土地沉降一点五公尺至二公尺 , 桂林溶岩区三十米地下水重金属超标十至二十倍。大气污染造成的经济损失约为二百亿元,由于城市燃煤、工厂排放废气及汽车 死气污染,大气中二氧化硫、一氧化碳等有毒悬浮微粒弥漫在城市上空,空气污染 导致许多城市肺癌死亡 率增至万分之二,全国酸雨覆盖面积已达百分之三十,所有 这些损失加起来也等于二百亿元。 而生态环境破坏和自然灾害造成的损失估计高 达二千亿元,森林覆盖率由四九年的三成 左右,现已下降至不足一成四,草原的严重 退化,水土流失面积达一百五十五万平方公里,占国土面积的百分之十六。同时,城镇建设却仍以每年侵占一百五十万公顷土地的速度发展,破坏自然生态平衡,加上自然灾害带来的损失,每年至少损失二百亿元。其他污染如固体废物
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 年产xx塑料农药瓶项目建议书
- 肿瘤的免疫治疗
- 小班社会教案及教学反思《好吃的萝卜》
- 2022-2023学年广东省深圳市南山外国语学校六年级上学期期末英语试卷
- 3.3 气压带和风带对气候的影响 课件 高二上学期 地理 人教版(2019)选择性必修一
- 人教版九年级物理 全册 第十七章 17.1 电流与电压和电阻的关系 教案
- 智能医疗仪器介绍
- 检讨书之工作落后检讨发言稿
- 急救技能大赛策划书
- 糖尿病与心力衰竭
- 换向阀的常见故障及维修方法
- 产后抑郁症的影响因素及其预防
- 组织能力建设培训
- 大连地区适合种植药材
- 2022历史小说《漆园吏游梁》分析
- 产品质量整改措施
- 五禽戏Five Animal-imitating Exercise(中英文版)
- GB/T 19668.7-2022信息技术服务监理第7部分:监理工作量度量要求
- GB/T 9115-2010对焊钢制管法兰
- 主变倒送电措施
- GB/T 16917.1-2014家用和类似用途的带过电流保护的剩余电流动作断路器(RCBO)第1部分:一般规则
评论
0/150
提交评论