Unit 5 A Delicate World Developing ideas （ppt课件） -2023新外研版（2019）《高中英语》选择性必修第二册.pptx

1、WhyShennongjia?World Heritage SiteHow much do you know about UNESCO World Heritage Site?A World Heritage Site may signify 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 administered by the U

2、nited Nations Educational,Scientific and Cultural Organization(UNESCO).What are the UNESCO World Heritage Sites in China?the Great Wall,the Forbidden City,the Terracotta Warriors,the Potala Palacethe Jiuzhaigou Nature Reserve,the Leshan Giant Buddhathe Guilin Karst Landform,Mount HuangShennongjial H

3、ave you ever been to Shennongjia?l Do you know the story about Shennong?Pre-reading1.Where is Shennongjia and what is it famous for?2.What else do you know about Shennongjia?Watch the video and answer the questions.Watch the video and answer the questions.1.Where is Shennongjia and what is it famous

4、 for?2.What else do you know about Shennongjia?Shennongjia lies in the north-west of Hubei Province and is famous for its beauty and diversity.Read and predictWhat does the title mean?01What is the genre of the passage?02The title raises a question:Why did Shennongjia make it onto the UNESCO World H

5、eritage List?Learning to learnThe lecture is one of the 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 t

6、o maintain the audiences interest.The end of a lecture is often followed by a short question-and-answer session.The genre of the passage is _.lectureTo make the description more accurate and vivid,there are 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

7、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。structure analysisWork in groups.Make the mind map for the lecture.Read the sentences from the passage and decide if they serve to give data(D),examples(E)or make comparisons(C).1.The region rises from about 4

8、00 metres to over 3,000 metres above sea level,_2.over 3,000 plant species have been recorded there.This represents more than ten per cent of Chinas total floral richness._3.Shennongjia supports more than 600 vertebrate species,including the Golden Snub-nosed Monkey and the Clouded Leopard._ 4.In wi

9、nter,scientists brave heavy snow 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 have coexisted with the local people for centuries._DDDEC1.What roles do the questions in

10、 Paragraph 2 play?Think&Share:NoImage2.According to the passage,what has been done to protect the ecology of Shennongjia?The questions in Paragraph 2 serve to introduce the topic and attract the audience.To protect the ecology of Shennongjia,scientists make every effort to look after the species.In

11、winter,scientists brave heavy snow and freezing temperatures to supply food to the Golden Snub-nosed Monkey.More importantly,the local people live in harmoy with nature.They take things from nature without damaging it.Why Shennongjia?Good morning,everyone.It is my great pleasure to give a lecture he

12、re on behalf of the Be at One with Nature Association.人与自然和协相处委员会Why Shennongjia?As we know,in 2016,Shennongjia made it onto the UNESCO World Heritage 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

13、 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”(wild man)that has captured the imagination of the world?succeedWhy Shennongjia?UNESCO awarded Shennongjia this status because it meets two criteria r

14、equired by the list.It contains a naturally-balanced environment that allows the many 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 devel

15、op and evolve.句意：联合国教科文组织令神农架入选是因为它符合句意：联合国教科文组织令神农架入选是因为它符合入选名录的两项标准。入选名录的两项标准。1 UNESCO awarded Shennongjia this status because it meets two criteria required by the list.criterion n.（批评判断的）标准；准则；规范；准据 pl.criteria1.Practice is the sole _ for testing truth.2.It is hard to make out what _ are used.3.

16、Each of us will have our own _ for success.criteriacriterionNoImagecriteriaWhy Shennongjia?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,giving it the name the“Roof of

17、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.句意：作为第一个标准，神农架显然是世界上最句意：作为第一个标准，神农架显然是世界上最“完完整整”的自然区域之一。的自然区

18、域之一。2 For the first criterion,Shennongjia is apparently one of the most “complete”natural areas in the world.apparently adv.据说；看来，似乎；显然地apparent adj.显而易见的；显然的；表面上的It is apparent that.是很显然的例：1._ the girls are not at all amused by the whole business.2.It has been _ these standards have held up well.Ap

19、parentlyapparent that The region rises from about 400 metres to over 3,000 metres above sea level,giving it the name the“Roof of Central China”句意：这一地区从海拔句意：这一地区从海拔400米左右上升到米左右上升到3000米以上米以上，因此得名，因此得名“华中屋脊华中屋脊”。3现在分词短语作结果状语1.Upto50%oftheareaspopulationdiedfrom this epidemic,makingitoneofthemaincauses

20、ofthefalloftheRomanEmpire.2.The child slipped and fell,hitting his head against the door.作为结果状语的现在分词短语所表示的通常都是意料中的结果。不定式作结果状语通常表示的是未曾料到的不愉快的结果。Why Shennongjia?For the second criterion,we can see that Shennongjia has incredible biodiversity.Look at this slide.According to official statistics,over 3,0

21、00 plant species have been recorded there.This represents more than ten per cent of Chinas total floral richness.Shennongjia supports more than 600 vertebrate species,including the Golden Snub-nosed Monkey and the Clouded Leopard.Additionally,around 4,300 insect species have been recorded.Why Shenno

22、ngjia?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 Snub-nosed Monkey.Thanks to their efforts,the monkeys population has doubled since the 1980s.Their number reached over 1,300 in 2015 and continues to gro

23、w.句意：冬季，科学家们不畏暴雪和严寒为川金丝猴句意：冬季，科学家们不畏暴雪和严寒为川金丝猴提供食物。提供食物。brave v.勇敢面对，冒（风险）；展示勇敢1.Thousands have braved icy rain to demonstrate their support.2.Hundreds of fans braved rush-hour traffic to see the concert.4 In winter,scientists brave heavy snow and freezing temperatures to supply food to the Golden S

24、nub-nosed Monkey.形容词作动词【拓展】常见的形容词作动词的还有empty，意为“倒空”。He empties all the things in the bag onto the floor.Why Shennongjia?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 is known for its home-made hone

25、y.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 species,the bees of Shennongj

26、ia 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.Why Shennongjia?All of this explains why Shennongjia earned and

27、deserves its place on the 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.Thank you for listening.Now,does anyone have any questions?句意：然后，使用数据、示例和比较来支持主要观点句意：然后，使用数据、示例和

28、比较来支持主要观点。comparison n比较；对比by comparison 比较起来；相比之下by/in comparison(with sb./sth.)(与)相比较5 Data,examples and comparisons are then used to support the main ideas.1.与其他石油生产国作比较是很有意思的。_.Comparison with other oil-producing countries is extremely interesting2.相比之下，去年教育经费增加了。_,expenditure on education increased last year.By comparison