英语北师大版选修8-Unit22-Lesson-2-Endangered-Species-PPT课件3.ppt

LESSON 2 Before you startBefore you start 1 Match the names of the endangered species with 1 Match the names of the endangered species with their pictures?their pictures?Giant pandasSnow leopardsYangtze dolphinsBengal tigerYangtze AlligatorCrested ibis2 look up these Key Words in a dictionary.Conservation:the protection of natural things(such as animals,plants,forests)from being spoiled or destroyed Extinct:not existing Habitat:the natural home of a plant or animalPreserve:to save something from being harmed Complete the sentences with the key words.1 An animal1 An animal s s is the type of area that it is the type of area that it lives in.lives in.2 If we are not careful,the panda will 2 If we are not careful,the panda will become become and our children will only and our children will only see them in books.see them in books.3 It is important to 3 It is important to forests because forests because otherwise a lot of animals will have nowhere to live.otherwise a lot of animals will have nowhere to live.4 I am working on a 4 I am working on a project.we are project.we are trying to save the panda.trying to save the panda.habitathabitatextinctextinctpreservepreserveconservationconservationListen to learn:ExercisesListen to the lecture again and complete the fact Listen to the lecture again and complete the fact files.files.Giant panda:Giant panda:Numbers:-world wide:Numbers:-world wide:-in special centers:-in special centers:-in zoos:-in zoos:Habitat:Habitat:Food:Food:Reason for being endangered:Reason for being endangered:1,6001,6001201202020bamboo forests(of centeral China)bamboo forests(of centeral China)bamboobamboohuman activity destroying human activity destroying their habitattheir habitatYangtze Dolphin:Reasons for being endangered:Reasons for being endangered:1 pollution of the river 2 caught and killed in fishermens nets 3 hunting in the pastTiger:Numbers world-wide:Numbers pf species remaining:Reasons for being endangered:12killed by hunters for false beliefsloss of their natureal habitat55,000Vocabulary 7.Choose the proper words from this paragraph 7.Choose the proper words from this paragraph and use them to complete the sentences below.and use them to complete the sentences below.There are many animals in danger of There are many animals in danger of extinctionextinction world wide.world wide.For example,only five For example,only five sub sub speciesspecies of tiger of tiger remainremain and the number of and the number of fresh fresh waterwater dolphin in China dolphin in China is is decliningdeclining.We must We must protectprotect endangered speciesendangered species.Fresh-water1 fish are difficult to catch.2 The giant panda is the symbol of .3 The number of endangered animals is increasing.4 Three of tiger are extinct.5 Many endangered species now face the danger of .endangered animalsworld-widesub-speciesextinctiondeclined6 Cars sales have by a quarter.7 He had finished,but he at the microphone for a few minutes,gazing at the audience.8 Physical exercise can you from heart disease.remainedprotect8 listen to the lecture again and take note of the pronunciation of the compound words.Example :panda central China Yangtze Dolphin Yangtze River fresh water fishermen worldwidegiant9 listen to the dialogue and complete the9 listen to the dialogue and complete the Function File with these expressions.Function File with these expressions.Justifying ArgumentsJustifying ArgumentsYes,(Yes,(1)1)I I m joining a conservation m joining a conservation programme(programme(2)2)help save the Yangtze help save the Yangtze alligator.alligator.(3)(3),the alligator live in holes that damage,the alligator live in holes that damage the farmland.the farmland.So(4)So(4)they are killed.they are killed.(5)(5)is that farmers shoot them because they is that farmers shoot them because they sometimes attack farm animals,sometimes attack farm animals,but but(6)(6)their beatiful fur.their beatiful fur.thats whythats whytotoBasicallyBasicallythats the reason whythats the reason whyone reason one reason a lot of it is to do with a lot of it is to do with The government is trying to enforce the law(7)they are protected.(8),the numbers are falling disastrouslyso that Because of that Speaking 10 Read the following information10 Read the following information on these endangered animals:on these endangered animals:Asian Elephant Population:35,000-60,000Population:35,000-60,000Countries:India and serveral Countries:India and serveral other Asian countriesother Asian countriesHabitat:forest Habitat:forest Problem:hunting for ivoryProblem:hunting for ivoryConservation:strong laws Conservation:strong laws against illegal hunting;against illegal hunting;national parks established national parks establishedOrangutan Population:15,000-24,000Population:15,000-24,000Countries:Malaysia Countries:Malaysia and Indonesiaand IndonesiaHabitat:forest Habitat:forest Problem:illegal deforstationProblem:illegal deforstationConservation:Conservation。