人教版英语高一上册Unit_10.doc

Unit 10The world around usLISTENING1 Listen to the tape and fill in the correct information in the spaces below.1.Walk along the street of any major city,and you will see that the air you breathe is not very fresh.Air pollution is a serious problem in many of the world big cities.It is caused by cars and factories.We also pollute the air when we burn oil or coal for energy and heat.2.Oh,my,look at this, dead fish everywhere What happened?We used to be able to drink the water in rivers and lakes.But today,many rivers and lakes have been so polluted that the water is useless.Factories and drainage have been polluting the water.We arent taking good care of water.We use too much water and we waste water.What is more we pollute water.3.This beautiful mountain is one of the most popular places for people to visite,during holidays and festivals.Thousands of people come here to hike in the mountains forestes and valleies.Unfortunately the tourists leave a lot of rubbish behind,plastic bags,soda bottles and other things are thrown everywhere.Many tourists also pick flowers and demadge the trees.And the many hotels in restaurants beening builtare having a negative affect on the environment,too.READINGARE WE ENDANGEREDSteve Jones is an environmental expertwho tries to keep animals and plants from becoming endangered.We are not alone in the world.We human beings could not survive without all the plants and animals around us.We often talk about how important it is to take good care of ourselves and our planet,but we dont always do as we say,Steve says as he takes us on a tour of Green Park in Birmingham.Many of the earths plants and animals have already died out,and several other species are endangered.If we want to live a better life and have a bright future,we must learn to act in ways that do not harm other living things.If we know more about what causes endangerment,we may be able to take measures before it is too late.A species can become endangered for different reasons.Animals and plants must have a habitat,or home,which is comfortable and clean,and where there is enough food and other resources.They are all used to their environment;that is,they have learnt how to live successfully in their habitat.When the habitat of a species is changed or destroyed,the animal or plant has to either adapt to the change or find a new home.If this is not possible,the species becomes endangered.If a new species arrives,the animals and plants of the habitat must change again.If the new species is too strong or uses too much of the resources in the hatitat,some of the original species may become endangered.A species may also die out if humans or other animals use too much of a plant or kill too many animals.The good news is that there is a lot we can do to help.First of all,we need to learn more about animals,plants and the environment.Experts tell us that we need to think about what we can doto keep animals and plants from becoming endangered.Steve says that we can help by creating more space for animals and plants:You can plant a tree or build a birdhouse.It is simple but useful.Steve also wants us to think about what we do:Please dont pollute the environment.If we find out more about what we should do,we can help Steve and others like him keep animals and plantsand ourselves-from becoming endangered.INTEGRATING SKILLSReading and writingWithout air,water and sunlight there would be no living things.Because they are so important,ecosystems try to be very careful with these valuable resources.Human beings often throw away things they have used only once.In good ecosystems,resources are used many times.The waste of plants and animals will become food for another.In fact,nature is much better at recycling than we humans are.Maybe we should learn from nature and become better recyclersif we throw away too much,we may be throwing away our future.We all care about nature and the environment,but we may not always do everythings we could or should.Scientists who know a lot about the environmentsay that we should Reduce,Reuse,Recycle and Respond.Lets see what that means.Words and expressionsUNIT 10furTibetanantelopein dangerendangerdie outas a result ofleadlead tojunglewolfhippokangaroogiraffeSteve JonesenvironmentaltourBirminghamspeciesactendangermentmeasuretake measureshabitatadaptadapt tooriginalJemnnifermake a differencebatteryStevensondevotedevote.toat presentcommonset freein the wildecosystemvaluablethrow awayreducerespondamountpackagepackagingharmfulflatsodamaterialposterattractivetopicorganisegraphbrief n.毛皮；毛；软毛adj.西藏的；藏族人的n.西藏语；西藏人；藏族人n.羚羊在危险中；垂危vt.危害；使受到危险灭绝；逐渐消失作为(.的)结果vt.领导；导致某种结果n.热带丛林n.狼n.河马n.袋鼠n.长颈鹿史蒂夫.琼斯(男子名)adj.环境的游vi.& v.旅行；游历；旅游n.伯明翰(英国城市)n.种类vt.& vi.扮演；担当；表演；表现n.危害 n.尺寸；措施vt.测量；测度采取措施n.生活环境；栖息地vt.使适应；改编适应(新环