Unit 3 Conservation Topic talk 课件-北师大版（2019）选择性必修第一册

这是一份Unit 3 Conservation Topic talk 课件-北师大版（2019）选择性必修第一册，共49页。

Unit 3ConservationTopic talkPart 1—Lead inLead inLead inLead inExample: Our environment needs protection. We use cars too much, which is bad for both the environment and our health.Show time! Lead inPart 2—Words and Expressionsconservation/ˌkɒnsəˈveɪʃn/n. 保护e.g. The district is under consideration for designation as a conservation area.Words and Expressionsdestroy/dɪˈstrɔɪ/vt. 破坏；毁掉e.g. Thousands of hectares of forest are destroyed each year.Words and Expressionsplastic/ˈplæstɪk/adj. 塑料制的e.g. Glass and plastic objects lined the shelves.Words and Expressionsmining/ˈmaɪnɪŋ/n. 采矿业e.g. Mining can be costly in terms of lives.Words and Expressionsitem/ˈaɪtəm/n. 一项，一条e.g. You will be invoiced for these items at the end of the month. Words and Expressionsrecycle/ˌriːˈsaɪkl/vi.&vt. 再利用，回收利用e.g. Some products can be recycled at the end of their useful life.Words and Expressionsunrecyclable/ˌʌnri:'saikləbl/adj. 不可回收的e.g. Unrecyclable materials can be processed into Refuse Derived Fuel. Words and Expressionsinformative/ɪnˈfɔːmətɪv/adj. 有教育意义的；知识性强的e.g. I found the talk both informative and entertaining.Words and Expressionsthreat/θret/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 Expressionsswitch/swɪtʃ/vi.&vt. 转换，改变e.g. The computer system was switched off in error.Words and Expressionshave a role起某种作用e.g. We all have a role to play.Words and Expressionsdo one’s part尽自己的职责e.g. Everyone must do one's part while on duty to protect the safety of the school ground. Words and Expressionsrhino/ˈraɪnəʊ/n. 犀牛e.g. Rhinos are largely sedentary animals. Words and Expressionsillegally/ɪˈliːgəli/adv. 非法地，违法地e.g. He entered the country illegally. Words and Expressionshunt/hʌnt/vi.&vt. 猎取，猎杀e.g. We domesticated the dog to help us with hunting. Words and Expressionshorn/hɔːn/n. （牛、羊等头上的）角e.g. The handle of this knife is made of horn. Words and Expressionsextinct/ɪkˈstɪŋkt/adj. 灭绝的，绝种的e.g. The idea of cloning extinct life forms still belongs to science fiction.Words and Expressionsincredibly/ɪnˈkredəbli/adv. 非常地，极端地e.g. Incredibly, she had no idea what was going on. Words and Expressionsurgent/ˈɜːdʒənt/adj. 紧急的，急迫的e.g. She had a more urgent errand. Words and ExpressionsPart 3—Read, talk and listenRead the Text Builder carefully. Then listen to the dialogue and complete it by underlining the words or expressions you hear.Text BuilderconservationRead and listenListen to the tape twice and fill in the blanks.Read and listenI really feel strongly that we need to change the way we _____________ in order to protect _____________.Read and listenI can see that _______________ is one of the biggest threats to our planet.Read and listenWe all need to _______________.Read and listenRead and listenShow time!Read and listenRead and listenYou should know these sentences:1 It was really informative.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....Read and listenListen to the dialogue. Answer the questions.Listen to the tape twice.Read and listenRead and listenLet’s check.Rinos are in danger.Read and listenLet’s check.Some people incorrectly think rhinos’ horns are useful in medicine and illegally hunt them.Read and listenLet’s check.Making everyone know that hunting these animals is illegal and that these amazing animals are part of the world we live in.Read and listenLet’s check.There will be no rhinos left in the world in 20 years.Read 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’s an incredibly urgent matter....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 listenHere are some sayings about conservation.Conservation 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 talkHere 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 talkThink and talkRead and listenPart 4—HomeworkRecite the key words and expressions.Homework