




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
Unit2SavingtheEarthSectionCTopic2
Alltheseproblemsareveryserious.Warming-upGuess:WhathappenstotheEarth?Pre-readingWhat’sthegreenhouseeffectorglobalwarming?Carbondioxide(二氧化碳)increasesalotandformsa“blanket”tostoptheheatfromthesunfromescapingfromtheearth.Sothetemperatureisrising.Thisiscalled“thegreenhouseeffect”or“globalwarming”.Freetalkozonelayer臭氧层What’sozonelayer?Ozoneisaspecialkindofoxygen.Itcanprotecttheearth.Nowpeopleproducelotsofharmfulchemicalsintotheair.Theycauseabigholeintheozonelayer.Sotheradiationcanpassthroughtheholeandreachtheearthdirectly.Pre-readingduringthisperiod在此期间takeaway拿走e.g.CanItakeawaythisbook?formv.
出现;形成n.种类,形式risev.上升;起床;升起
escapev.渗出;逃跑LanguagepointsPre-readingLookandpredictThemainideaofthepassagemaybe________________________________.theproblemsaboutourenvironmentPre-readingfewertreesfactorypollutiontrafficpollutiontheozonelayermorecarbondioxideListenandmatchWhile-reading_________Allovertheworld,peoplehavecutdownmillionsoftrees.Whenitrainsorwhenthewindblows,theearthistakenaway.Forestshavebecomedeserts,somanykindsofanimalsandplantsaredisappearing.Choosesuitabletitlesforparagraphs2—6CA.TrafficpollutionB.FactorypollutionC.FewertreesD.TheozoneholeE.MorecarbondioxidePara.2While-readingA.TrafficpollutionB.FactorypollutionC.FewertreesD.TheozoneholeE.MorecarbondioxidePara.3While-readingPara.4_________
Inbigcities,carsandbuseshavepollutedtheair.Nowmanypeopleincitieshavehealthproblems.A_________Factorieshavealsopollutedthelandandthewater.Asaresult,manyriversandlakesarenowdead.BA.TrafficpollutionB.FactorypollutionC.FewertreesD.TheozoneholeE.MorecarbondioxidePara.5While-reading_________
Aroundtheearth,there’saspecialkindofoxygencalled“ozone”(O3).Itisimportanttotheearth.Butnowairpollutionisdestroyingitandmakingaverybigholeintheozonelayer.Toomuchharmfulradiationfromthesunpassesthroughtheholeandreachestheearthdirectly.Thisisverydangerousbecausethiskindofradiationcancausecancer.
DA.TrafficpollutionB.FactorypollutionC.FewertreesD.TheozoneholeE.MorecarbondioxidePara.6While-reading_________Carbondioxide(CO2)intheairhasincreasedalot.Itmainlycomesfromburningoil,coalandwood.Thishasformedablanketaroundtheearth.Theheatfromthesuncan’tescapesothetemperatureisrising.Thisiscalled“thegreenhouseeffect”.Itcausestheleveloftheoceanstoriseandtheclimateoftheearthtochange.
EReadandcompletethefollowingtask1.Whatdoesourplanetmeanhere?
A.Thesun. B.Mars.
C.Themoon. D.Theearth.2.Inthepassage,blanketrefersto_____.A.carbondioxidearoundtheearthB.theozonelayerinthesky
C.theforestsaroundtheworldD.pollutionallovertheworld3.TheworditinParagraph5refersto_____.
A.CO2B.O3C.O2D.H2OWhile-readingCompletethenotesProblemEffectontheenvironmentfewertreesforestsbecomedeserts,animalsandplantsdisappeartrafficpollutiongreenhouseeffect,levelofoceansrising,climatechange……carsandbusespolluteair,healthproblemspollutelandandwater,riversandlakesdeadharmfulradiationreachestheearth,causecancerfactorypollutionozoneholemoreCO2While-readingCombinethekeypointsinthetabletoformashortpassagePost-readingProblemEffectontheenvironmentfewertreesforestsbecomedeserts,animalsandplantsdisappeartrafficpollutiongreenhouseeffect,levelofoceansrising,climatechangecarsandbusespolluteair,healthproblemspollutelandandwater,riversandlakesdeadharmfulradiationreachestheearth,causecancerfactorypollutionozoneholemoreCO2AppreciateapossibleversionAsweallknow,waterpollutionisbecomingmoreandmoreserious.Somefactoriespourwastewaterintotherivers.Asaresult,itmakesthewaterdirtyandsmellterrible.Mostoffishinthewaterhavediedandwecan’tswiminthewater.Waterisveryimportanttohumanbeings,soweshoulddoourbesttoprotectandsaveit.Luckily,ourgovernmentistakingmeasurestoprotectthewaterfrompollution.Post-readingSummaryProblemEffectontheenvironmentfewertreesforestsbecomedeserts,animalsandplantsdisappeartrafficpollutiongreenhouseeffect,levelofoceansrising,climatechangecarsandbusespolluteair,healthproblemspollutelandandwater,riversandlakesdeadharmfulradiationreachestheearth,c
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
- 2025年中国文件阅读器行业市场调研分析及投资战略咨询报告
- 2025年中国智能手机电感市场运营态势及发展前景预测报告
- 税务师美姗冲刺课件
- 2025年 西安齐力铁路技工学校招聘考试笔试试题附答案
- 2025年 禄丰市焊工证理论考试练习题附答案
- 香滑绿豆蓉行业深度研究分析报告(2024-2030版)
- 中国通信控制处理机行业市场全景调研及投资规划建议报告
- 2025年 常德汉寿县事业单位招聘考试笔试试题附答案
- 2020-2025年中国浓香型白酒行业市场调查研究及未来发展趋势报告
- 中国海口市房地产行业市场深度分析及投资策略咨询报告
- 2025年新高考1卷(新课标Ⅰ卷)英语试卷
- 中医养生夏季养生知识科普讲座PPT教学课件
- GB/T 32893-201610 kV及以上电力用户变电站运行管理规范
- GB 18613-2020电动机能效限定值及能效等级
- GB 17681-1999易燃易爆罐区安全监控预警系统验收技术要求
- 鱼骨图分析方法及培训课件
- 监理抽检表-11交通安全设施工程
- 部编版一年级语文下册知识点总结归纳(全册)
- 市委办招考人员笔试试题
- 赣州市赣县县乡镇街道社区行政村统计表
- 《苯的同系物》名师教案
评论
0/150
提交评论