1、作为本单元的单元导入，为本单元的内容做了充分的主题和词汇的铺垫。学生通过学习大自然受人类活动的影响、大自然被破坏的方式及人类保护自然的积极行动相关表达，感知保护大自然的重要性。本课属于“人与自然”主题，倡导学生改变生活方式、激发学生保护自然的意识。本课以两段听力对话为主要内容：第一段对话围绕地球面临最大的环境问题展开，说话者列举了破坏环境的因素并倡议使用清洁能源和回收利用废弃物；第二段对话以犀牛被非法猎取为例激发学生保护动物的意识。At the end of the lesson,the students will be able to:1.Obtain the detailed inform
2、ation about the conservation from different aspects.（语言能力，学习能力）Teaching Objectives学习理解应用实践迁移创新2.Express opinions on conservation by using the languages in Text Builder.(语言能力、思维品质）3.Write a short paragraph on conversation.(语言能力、思维品质、文化意识）Conservation is saving and protecting the environment,historica
3、l objects or works of art such as paintings,sculptures,or buildings.The conservation of a supply of something is the careful use of it so that it lasts for a long time.Example Why do they need protection?We should promote energy conservation.The more fossil fuels are burned,the more our environment
4、is hit by pollution.What should we do?ConservationWhat needs to be protected?Read the Text Builder.farm(v.)to work as a farmer threat(n.)an expression of an intention to hurt,punish,cause pain,etc.mining(n.)the process of getting coal and other minerals from under the groundgreenhouse effectdriving
5、cars cutting down forestsdeforestationitem(n.)a single article or objectdo our partListen for information.Read the Text Builder carefully.Then listen to the dialogue and complete it by underlining the words or expressions you hear.I really feel strongly that we need to change the way we _ in order t
6、o protect _.I can see that _ is one of the biggest threats to our planet.We all need to_.liveour planetthe use of oil and coalrecycle and reduce the amount of wasteRead the Text Builder.Listen again and fill in the blanks of the summary.Environmental expert,Professor Linda Wei,gave an _ lecture.She
7、was very _ about using clean energy,because the use of oil and coal is one of the biggest _ to our planet.We definitely need to _ to different forms of power as soon as possible.John thinks we should cut down the use of _ plastic to protect our planet.At last the professor said“We all have a _ to pl
8、ay in protecting the environment.If we all _,we can live a healthier life on Earth.informativepassionatethreatsswitchunrecyclable roledo our part Listen and Think1.Why is Dr.Bradshaw working on protecting rhinos?3.What does Dr.Bradshaw suggest doing?4.What may happen,if we dont do something now?2.Wh
9、at do people do to rhinos?Listen to the dialogue.Answer the questions.Listen and Think1.Why is Dr.Bradshaw working on protecting rhinos?Rhinos are in danger.Some people incorrectly think rhinos horns are useful in medicine and illegally hunt them.Making everyone know that hunting these animals is il
10、legal and that these amazing animals are part of the world we live in.There will be no rhinos left in the world in 20 years.3.What does Dr.Bradshaw suggest doing?4.What may happen,if we dont do something now?2.What do people do to rhinos?Listen to the dialogue.Answer the questions.He works on protec
11、ting animals in danger.At present,he is in a rhino protecting programme.The first step is education.Express Yourself.Use the Text Builder to talk about your feelings on conservation or how to protect the environment.Sample:I really feel strongly that we need to change the way we travel in order to p
12、rotect our environment.I can see that driving cars is one of the biggest threats to our planet since it emits greenhouse gases and causes air pollution like smog.We all need to cycle and walk more.We can also choose to drive electric cars to avoid using fuels like oil,so that we can help save energy and resources.Anyway,we should play our part in protecting the environment.
