英语：unit22 lesson2 endangered species课件（北师大版选修8）

课件20张PPT。 LESSON 2 ENDANGERED SPECIES Before you start
1 Match the names of the endangered species with 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 animal
Preserve: to save something from being harmed Complete the sentences with the key words.1 An animal’s is the type of area that it lives in.
2 If we are not careful ,the panda will
become and our children will only see them in books.
3 It is important to forests because otherwise a lot of animals will have nowhere to live.
4 I am working on a project.we are trying to save the panda.habitatextinctpreserveconservationListen to learn :ExercisesListen to the lecture again and complete the fact files.
Giant panda:
Numbers : -----world wide :
-----in special centers :
-----in zoos :
Habitat :
Food :
Reason for being endangered :1,60012020bamboo forests (of centeral China)bamboohuman activity destroying
their habitatYangtze Dolphin:Reasons for being endangered :
1 pollution of the river 2 caught and killed in fishermen’s nets 3 hunting in the pastTiger :Numbers world-wide :
Numbers pf species
remaining :
Reasons for being endangered :
1
2killed by hunters for
false beliefsloss of their natural
habitat55,000Vocabulary 7. Choose the proper words from this paragraph and use them to complete the sentences below.
There are many animals in danger of extinction
world wide.
For example , only five sub –species of tiger remain and the number of fresh –water dolphin in China is declining.
We must protect endangered 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 the Function File with these expressions.Justifying Arguments
Yes , (1) I’m joining a conservation programme (2) help save the Yangtze alligator.
(3) , the alligator live in holes that damage the farmland .
So (4) they are killed.
(5) is that farmers shoot them because they sometimes attack farm animals ,
but (6) their beatiful fur .that’s whytoBasicallythat’s the reason whyone reason 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 information
on these endangered animals:
Asian Elephant
Population : 35,000 -60,000
Countries : India and serveral
other Asian countries
Habitat : forest
Problem : hunting for ivory
Conservation : strong laws
against illegal hunting;
national parks establishedOrangutan Population : 15,000-24,000
Countries : Malaysia
and Indonesia
Habitat : forest
Problem : illegal deforstation
Conservation :
protection laws in place ;
Public awareness programmes ;
Forest conservation urgently
needed.