Unit 6 Understanding ideasppt课件--2022高中英语新外研版必修第二册.pptx

1、【Pre-readingILanguage pointsIVFast readingIIHomeworkVIntensive readingIIIVIPost-readingcontentsPre-readingThink of words and phrases related to the environmental problems.Pollution:water pollution,air pollution,soil pollution,etcGlobal warmingClimate changeOverpopulationDeforestationLoss of biodiver

2、sityWaste disposalWhat environmental problem does each cartoon refer to?air pollutionwater pollutiondeforestationWhat are the causes of these problems?global warmingWhat do you think is the most serious environmental problem we face today?What should be done to help solve it?air pollutionwater pollu

3、tiondeforestationglobal warming Fast reading Whats the structure of the passage?What is the function of Para 1 by describing the opening scene of the film Jaws?How are sharks described in the film?Whats the purpose of writing the passage?How are sharks described in the film?Sharks are described in t

4、he film as dangerous and bad animals that eat humans.What is the function of Para 1 by describing the opening scene of the film Jaws?To introduce the topic.Whats the structure of the passage?Para 1+Para 2dangerousPara 3+Para 4endangeredPara 5:More people want to protect sharks from extinction.Whats

5、the purpose of writing the passage?IIIIntensive reading People have always been scared of sharks because they are considered 1 _ _.People have a normal fear of sharks.as dangerousanimals People who saw the film Jaws believed 2 _.Some people stopped 3 _ while others started to 4 _.The number of large

6、 sharks fell quickly due to 5_.sharks were bad animals that ate humansswimming in the seafish for sharksPeople are more frightened of sharks.fear of sharks and finning Peter Benchley admitted that his book 6 _ _ and fought 7 _ them.Experts have proved that 8 _ _ and they attack us by mistake.Some pe

7、ople became interested in 9 _ and more are willing to 10 _.More people are against finning and wish to protect sharks.was wrong about sharks behaviourto protectsharks do not see people asfoodunderstanding sharksprotect sharks from extinctionPost-readingTimeThings he didHis views on sharksbefore 1975

8、writing a book the film Jaws was based ondangerous and frightening animalsafter 1980fighting to protect sharks;admitting that his book was wrongPeople were a danger to sharks.Sharks dont target humans.1.How do you think Peter Benchley felt after diving in 1980?Peter Benchley might feel sad for the s

9、harks being killed;he might feel regretful for describing the great white shark as a dangerous animal in his book;he might also feel angry about finning.2.What other films or books do you know that feature wild animals?Do they“paint”a good or bad picture of these animals?Say how the animals are desc

10、ribed.Language points strengthen environmental protection 加强环境保护加强环境保护strengthen the awareness 增强意识增强意识strong adj strength n1.strengthen v 加强加强 Important words and expressions2.the number of 的数目的数目 the number of 谓语动词用谓语动词用单数单数The number of students _.学生的数量在增加。学生的数量在增加。a number of：许多：许多 谓语动词用谓语动词用复数复

11、数A number of people _ to deal with the work.已雇来许多人处理这项工作。已雇来许多人处理这项工作。is increasinghave been employedImportant words and expressions I am willing to _.我愿意承认我确实会犯错误。我愿意承认我确实会犯错误。Up to two thirds of 14 to 16 year olds _alcohol illegally.14至至16岁的少年中有多达岁的少年中有多达2/3的人承认非法买过酒。的人承认非法买过酒。She _ the hospital w

12、ith a high fever.她因高烧被接收入院。她因高烧被接收入院。3.admit v 承认；准许进入承认；准许进入 admit that I do make mistakesadmit buying was admitted toImportant words and expressionsImportant lexical chunksbe scared of due to cut off have an effect upon/on be based on 对对有影响有影响以以为基础为基础害怕害怕由于由于切掉；隔离切掉；隔离Important lexical chunkscome

13、acrossbe covered with rather than the other way round by mistake protect from 偶然发现；偶然遇见偶然发现；偶然遇见被被覆盖覆盖而不是而不是倒过来；从相反方向倒过来；从相反方向错误地错误地保护保护免受免受 1.Jaws was a great success,attracting huge audiences and winning many awards.Important sentences现在分词作状语现在分词作状语现在分词作宾补现在分词作宾补I dont want you getting into troubl

14、e.2.Finning would have an unexpected effect upon Peter Benchley,the man who wrote the book the film Jaws was based on.Peter Benchley did not expect that finning would have a great effect on him.（译）气温升高会影响到海平面高度、旱情发生频率及更（译）气温升高会影响到海平面高度、旱情发生频率及更多方面。多方面。A rise in temperature will have an effect on sea

15、 levels,drought frequency and more.Important sentencesParaphrase 3.In 1980,Benchley was diving when he came across an awful sight.l 我们正要出去玩，突然下起雨来。我们正要出去玩，突然下起雨来。l 这对夫妻刚刚入睡，突然门铃声大作。这对夫妻刚刚入睡，突然门铃声大作。when 表示表示“当（某事发生）时当（某事发生）时”，相当于，相当于 at that/this time。We were about to go out and play when it started

16、 to rain.The couple had hardly fallen asleep when the doorbell rang loudly.Important sentences 4.In 1980,Benchley was diving when he came across an awful sight.eg:I came across this book in a bookshop in my hometown.你讲的话让人听不明白。你讲的话让人听不明白。come across:to meet,find,or discover someone or something by c

17、hanceYour words didnt come across.Important sentencescome across:还有其他的含义，如还有其他的含义，如“（感觉、想法等）（感觉、想法等）被表达清楚被表达清楚”“”“给人的印象是给人的印象是”。5.He came to see people as a danger to sharks,rather than the other way e to do sth 相当于相当于 to finally reach a state in which something happens or you do something过了几个月，她终于喜

18、欢上了新老师。过了几个月，她终于喜欢上了新老师。She had come to like the new teacher over the months.Important sentencesParaphrase He finally started to realise that people are a danger to sharks,rather than the opposite.VIHomeworkWrite an essay about a particular kind of endangered species and express your opinion on how to protect it.