Unit 5 A Delicate World Developing ideas 课件【高效课堂+备课精研】高中英语外研版（2019）选择性必修第二册

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 United 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 HuangShennongjialHave you ever been to Shennongjia?lDo 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 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 Heritage 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 to maintain the audiences interest.The end of a lecture is often followed by a short questionandanswer 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 400 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 Snubnosed Monkey and the Clouded Leopard._ 4.In winter,scientists brave heavy snow and freezing temperatures to supply food to the Golden Snubnosed 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 Paragraph 2 play?Think&Share:2.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 winter,scientists brave heavy snow and freezing temperatures to supply food to the Golden Snubnosed 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 here 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 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 required by the list.It contains a naturallybalanced 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 develop 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.Each of us will have our own _ for success.criteriacriterioncriteriaWhy 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 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