1、zUnit 3ConservationTopic talkzPart 1Lead inzLead inOur environment is polluted more and more seriously.zWhat do you think are the things that need to be protected?Lead inzLead inExample:Our environment needs protection.We use cars too much,which is bad for both the environment and our health.zShow t
2、ime!Lead inzPart 2Words and Expressionszconservation/knsven/n.保护e.g.The district is under consideration for designation as a conservation area.Words and Expressionszdestroy/dstr/vt.破坏；毁掉e.g.Thousands of hectares of forest are destroyed each year.Words and Expressionszplastic/plstk/adj.塑料制的e.g.Glass
3、and plastic objects lined the shelves.Words and Expressionszmining/man/n.采矿业e.g.Mining can be costly in terms of lives.Words and Expressionszitem/atm/n.一项，一条e.g.You will be invoiced for these items at the end of the month.Words and Expressionszrecycle/risakl/vi.&vt.再利用，回收利用e.g.Some products can be r
4、ecycled at the end of their useful life.Words and Expressionszunrecyclable/nri:saiklbl/adj.不可回收的e.g.Unrecyclable materials can be processed into Refuse Derived Fuel.Words and Expressionszinformative/nfmtv/adj.有教育意义的；知识性强的e.g.I found the talk both informative and entertaining.Words and Expressionszth
5、reat/ret/n.威胁；（灾难等坏事）发生的可能e.g.We take threats of this kind very seriously.Words and Expressionszswitch/swt/vi.&vt.转换，改变e.g.The computer system was switched off in error.Words and Expressionszhave a role起某种作用e.g.We all have a role to play.Words and Expressionszdo ones part尽自己的职责e.g.Everyone must do o
6、nes part while on duty to protect the safety of the school ground.Words and Expressionszrhino/ran/n.犀牛e.g.Rhinos are largely sedentary animals.Words and Expressionszillegally/ligli/adv.非法地，违法地e.g.He entered the country illegally.Words and Expressionszhunt/hnt/vi.&vt.猎取，猎杀e.g.We domesticated the dog
7、to help us with hunting.Words and Expressionszhorn/hn/n.（牛、羊等头上的）角e.g.The handle of this knife is made of horn.Words and Expressionszextinct/kstkt/adj.灭绝的，绝种的e.g.The idea of cloning extinct life forms still belongs to science fiction.Words and Expressionszincredibly/nkredbli/adv.非常地，极端地e.g.Incredibl
8、y,she had no idea what was going on.Words and Expressionszurgent/dnt/adj.紧急的，急迫的e.g.She had a more urgent errand.Words and ExpressionszPart 3Read,talk and listenzRead the Text Builder carefully.Then listen to the dialogue and complete it by underlining the words or expressions you hear.Text Builderc
9、onservationBefore listening,you should read the text carefully.Read and listenzListen to the tape twice and fill in the blanks.Read and listenzI really feel strongly that we need to change the way we _ in order to protect _.Lets check your answers.Read and listenzI can see that _ is one of the bigge
10、st threats to our planet.Read and listenzWe all need to _.Read and listenzAccording to the Text Builder,lets talk about your feelings on conservation or how to protect the environment.Read and listenzShow time!Read and listenzRead and listenYou should know these sentences:1 It was really informative
11、.2 I really feel strongly that we need to change the way we live in order to protect our planet.3 sb.was very passionate about using clean energy.zRead and listenListen to the dialogue.Answer the questions.Before listening,you should read the text carefully.zListen to the tape twice.Read and listenz
12、Read and listenLets check.Rinos are in danger.zRead and listenLets check.Some people incorrectly think rhinos horns are useful in medicine and illegally hunt them.zRead and listenLets check.Making everyone know that hunting these animals is illegal and that these amazing animals are part of the worl
13、d we live in.zRead and listenLets check.There will be no rhinos left in the world in 20 years.zRead and listenYou should know these sentences:1 I feel very lucky indeed to have Dr.Bradshaw with us today.2 He is in a rhino protecting programme.3 How long do we have before rhinos become extinct?4 That
14、s an incredibly urgent matter.zTalking time!Use the language you have learnt to write a short paragraph about what you know,how you feel and what you need to protect the environment in the future.Then share it in groups.Read and listenzRemember them!Here are some sayings about conservation.Conservat
15、ion is a state of harmony between men and land.Aldo LeopoldConservation means the wise use of the Earth and its resources for the lasting good of men.Gifford PinchotThink and talkzRemember them!Here are some sayings about conservation.Envrionmental pollution is an incurable disease.It can only be prevented.Barry CommonerTake with restraint and use in moderation;this way one shall always know contentment.Zizhi TongjianThink and talkzThink and talkWhat other sayings do you know about conservation?zTalking time!Read and listenzPart 4HomeworkzRecite the key words and expressions.Homework
