Unit 6 Earth first Starting out & Understanding ideas （ppt课件）-2022新外研版（2019）《高中英语》必修第二册.pptx

1、1.scare v._ a._ a.2.dive v._n.3.target v._n.4.fortune n._ a._adv.5.extinct a._ adv.scaredscary divingtargetfortunateextinctionfortunatelykey words1.Which of the facts in the video do you find most alarming?2.What does the video want to tell us?Watch the video and answer the questionsWhat are these n

2、umbers related to?130,00025,0001502001,000,0001,000,000,00045050%ice capsclean drinking waterplastic bottleextinct speciesocean pollutiontoilet paperdisappearing forestWhat are these numbers related to?130,00025,0001502001,000,0001,000,000,00045050%ice capsclean drinking waterplastic bottleextinct s

3、peciesocean pollutiontoilet paperdisappearing forestActivity 2 1.What environmental problem does each cartoon refer to?2.What are the causes of these problems?3.What do you think is the most serious environmental problem we face today?What should be done to help solve it?water pollutiondeforestation

4、air pollutionglobal warming These severe environmental problems we are facing nowadays make our future uncertain.Its time for everyone to take action now and make our planet a greener and safer place for our future generations.1.Pollution:water pollution,air pollution,soil pollution,etc.2.Global war

5、ming.3.Climate change.4.Overpopulation.5.Waste disposal.（废物处理（废物处理)6.Loss of biodiversity.(生物多样性丧失生物多样性丧失)7.Deforestation.Possible solutions:raising peoples awareness of environmental protection taking public transportation;understanding the concept of Reduce,Reuse and Recycle;conserving energy;emph

6、asis on clean energy resources;.Live in harmony with nature Brainstorm:What will you think of when we talk about sharks?1P62Look at the title and pictures.What will the passage talk about?Step 2.Pre-ReadingPrediction:Will sharks be dangerous or endangered?What is your opinion?Why?fin 鱼鳍鱼鳍Look at the

7、 pictures and the title dangerousendangered大白鲨disappearsurfaceSkim the passage and find out the authors answer to the title.Read for main idea Endangered.1.To criticise Peter Benchleys misleading description of sharks in his book and advocate the protection of sharks.2.To explain peoples misundersta

8、nding of sharks and raise awareness of shark protection.3.To inform people about sharks and recommend the film and the book to them.Choose the authors purpose in writing the passage.3P64What are peoples misunderstandings of sharks?How do people protect sharks.Read for main idea was wrong about shark

9、s behavioursharks were bad animals that ate humansswimming in the seafish for sharksas dangerous animalsto protectsharks do not see people as foodunderstanding sharksprotect sharks from extinction4P64fear of sharks and finningRead for details Sharks:Dangerous or Endangerd?Para _dangerous.Para _ _.Pa

10、ra _ More people want to _.1 and 23 and 4endangerdprotect sharks from extinctionOrganize the structure of the passage5Read for structure Problem Analyze ConclusionThe 1975 film Jaws was a great success,1.attracting(attract)huge audiences and winning many awards.People have always been 2.scared(scare

11、)of sharks,but Jaws made things worse.Many people 3.who/that saw the film considered sharks as bad animals.Some even began to fish for sharks.As 4.a result,the number of sharks fell quickly.This was not only due to fear of sharks,5.but also finning.After finning,the sharks 6.are thrown(throw)back in

12、to the sea where they die painfully.In 1980,Peter Benchley came across an awful sight.He 7.admitted(admit)that his book was wrong about sharks 8.behaviour(behave).9.Fortunately(fortunate),more people become interested in sharks now,and they want 10.to protect(protect)them from extinction.Read and fillPracticePost-Reading