Unit 5 A Delicate World Developing ideas （ppt课件）-2022新外研版（2019）《高中英语》选择性必修第二册.pptx

1、Unit 5 developing ideasWatch the video and answer the questions.Where is Shennongjia and what is it famous for?Leading-inWhere is Shennongjia and what is it famous for?Shennongjia lies in the north-west of Hubei Province and is famous for its beauty and diversity.a mythical figure:ShennongIt is said

2、 that Shennongjia is the hometown of Shennong.rare and unique speciesbreathtaking lanscapes(Shennong Peak,stone forest)Read and predictWhat does the title mean?What is the genre(体裁）of the passage?Why did ShenNongjia make it onto the UNESCO World Heritage List?Learning to learnThe lecture is one of t

3、he oldest teaching methods,and is still widely used today.A typical lecture often starts with addressing the topic directly.Data,examples and comparisons are then used to support the main ideas.Both verbal and visual information is used in order to maintain the audiences interest.The end of a lectur

4、e is often followed by a short question-and-answer session.The genre of the passage is _.lectureGood morning,everyone.It is my great pleasure to give a lecture here on behalf of the Be at One with Nature Association.Greeting（Para 1)As we know,in 2016,Shennongjia made it onto the UNESCO World Heritag

5、e List.But there are so many important places not yet on this list.So you might ask:why Shennongjia?Is it its forests that stretch on and on like great green seas?Is it the legendary father of Chinese herbal medicine,Shennong，after whom the park is named?Or is it the mysterious creature called“Yeren

6、”(wild man)that has captured the imagination of the world?Introduction（Para 2)A World Heritage Site may show a remarkable accomplishment of humanity,and serve as evidence of our intellectual history on the planet,or it might be a place of great natural beauty.It is managed by the United Nations Educ

7、ational,Scientific and Cultural Organization(UNESCO).What roles do the questions play?To interest the audience and introduce the topic the lecture.UNESCO awarded Shennongjia this status because it meets two criteria required by the list.It contains a naturally balanced environment that allows the ma

8、ny and various species to live and prosper.It is also one of the rare locations in the world where scientists can observe in real time the ecological and biological processes that occur as the plants and animals develop and evolve.第二，它也是世界上罕见的地方之一，在那里科学家可以实时观察植物和第二，它也是世界上罕见的地方之一，在那里科学家可以实时观察植物和动物发展和

9、进化时发生的与生态和生物有关的过程。动物发展和进化时发生的与生态和生物有关的过程。Reasons for selection(Para 3)满足满足 meet ones needsmeet the requirements实时地，立即实时地，立即For the first criterion，Shennongjia is apparently one of the most“complete”natural areas in the world.The region rises from about 400 metres to over 3,000 metres above sea level

10、，giving it the name the“Roof of Central China”.The vast range in altitude results in a great variation in climatic conditions.This allows a wide variety of species to thrive.Some of the plants and animals have survived millions of years，and are regarded as living fossils.Naturally-balanced environme

11、nt (Para 4)“华中屋脊华中屋脊”活化石活化石1、rise raz(不及物不及物)主语通常为事物，既指水位、地势等升高，也指数量、价值、地位等提高，通常不包含人为因素。The sun rises in the east.The river rises every spring.When does he rise every day?Prices are rising.2、raise rez(及物及物)常指用体力将某事物抬高或举高；也指抬起眼睛、头或脸以向上看。也用于比喻，如提高政治觉悟，意识等。引申义为筹集，养大等。He raised the rock from the ground.

12、All the students raised their hands.He raised his glass and said:Your health,Carl.raise an employees salary.raised his voice.raise children.3、lift(及物及物)指用体力或机械将人或事物举起；也指抬起某一身体部位。The crane(起重机)lifted the container onto the truck.The suitcase is too heavy for the child to lift.For the second criterion

13、，we can see that Shennongjia has incredible biodiversity.Look at this slide.According to official statistics，over 3,000 plant species have been recorded there.This represents more than ten percent of Chinas total floral richness.Shennongjia supports more than 600 vertebrate species，including the Gol

14、den Snubnosed Monkey and the Clouded Leopard.Additionally，around 4,300 insect species have been recorded.Biodiversity (Para 5)川金丝猴川金丝猴云豹云豹It is a challenge to look after so many species.In winter，scientists brave heavy snow and freezing temperatures to supply food to the Golden Snubnosed Monkey.Than

15、ks to their efforts，the monkeys population has doubled since the 1980s.Their number reached over 1,300 in 2015 and continues to grow.Scientists(Para 6)But the most impressive aspect of Shennongjia is the local people，who take things from nature without causing damage.I visited a local village which

16、is known for its homemade honey.What is special about the honey is that it is produced by the earliest species of Chinese bee.Every spring,the villagers place beehives around their houses to attract these wild bees from the forest.Although endangered elsewhere in China due to the invasion of foreign

17、 species,the bees of Shennongjia have coexisted with the local people for centuries.By providing the bees with a secure home,the villagers collect their honey in return.This is just one of the ways in which people of Shennongjia live and work in harmony with nature.Local people(Para 7)Think&Share Ac

18、cording to the passage,what has been done to protect the ecology of Shennongjia?The scientists made efforts to take care of the animals.Whats more,local people live their life and take things from nature without causing damage.All of this explains why Shennongjia earned and deserves its place on the

19、 UNESCO World Heritage List，as well as highlighting how understanding，awareness and hard work have contributed towards protecting a unique and wonderful part of our natural world.Conclusion(Para 8)Why ShenNongjia?Opening(Para 1-2)Greeting(Para 1)Introduction(Para 2)Reasons for selection (Para 3-5)Tw

20、o criteria（Para 3)Naturaliy-balanced environment(Para 4)Biodiversity(Para 5)People live in harmony with nature(Para 6-7)Scientists(Para 6)Local people(Para 7)Conclusion(Para 8)Q&A(Para 9)structure analysisunderstanding,awareness and hard workTo make the description more accurate and vivid,there are

21、three techniques in writing:giving data;taking examples;making comparisons 引用数据是用具体的数据对事物的特征或事理加以说明，使说明更准确、更有说服力。举例是通过具体的实例对事物的特征或事理加以说明，使说明更加生动形象、易于理解。作比较是将两个事物放在一起比较，呈现事物的相同点和不同点。Read the sentences from the passage and decide if they serve to give data(D),examples(E)or make comparisons(C).1.The re

22、gion rises from about 400 metres to over 300 metres about sea level.2.over 300 plant species have been recorded there.This represents more than ten percent of Chinas total floral richness.3.Shennongjia supports more than 600 vertebrate species,including the Golden Snub-nosed Monkey.4.In winter,scien

23、tists brave heavy snowed and freezing temperatures to supply food to the Golden Snub-nosed Monkey.5.Although endangered elsewhere in China due to the invasion of foreign species,the bees of Shennongjia ave coexisted with the local people.D D D&E E CStyle of writingThe topic of the textExpressive met

24、hodsA lecture Shennongjia made it onto the UNESCO World Heritage ListBy using data,examples and comparisons,verbal and visual information included.Choose the best answer.1.How does the author introduce the topic?A.By listing data.B.By asking questions.C.By comparison.D.By quotation2.What can we infer from the passage?A.Many species have disappeared.B.Great efforts have been made by scientists and the natives.C.Golden Snub-nosed Monkey is in danger of dying out.D.The bees are endangered because of the invasion of foreign species.