1、大学体验英语视听说教程,第三册,高等教育出版社,北京科技大学,UNIT 1,Dont Say Goodbye,Nothing is more terrible than ignorance in action.,Desiderius Erasmus,Background Information,Unit Overview,Lesson 1,Lesson 2,Supplementary Reading,Agenda,Home listening,Although animal extinction is part of the natural cycle, if all the species
2、disappeared leaving only us humans behind, the human race would not be able to survive. The rapid urbanization of cities in modern times poses a great threat to the existence of some animals. Along with the loss of the natural habitats, man-made activities add fuel to the flames, accelerating the ra
3、te at which species disappear.In this unit, endangered animals in America and other countries will be introduced. Students will get to know the current situation of some animal species through reading, listening and viewing. Various activities will inspire students to talk about humans impact on nat
4、ure by using the words and expressions in this unit. Finally, they will conduct a poll on “college students awareness of endangered species in China” with their peers.,Unit Overview,Background Information,Industrialization, economic development and population pressure have in the past two centuries
5、combined to result in a rapid loss of biological diversity and an acceleration in the number of species disappearing from the face of the earth. According to the IUCN (World Conservation Union), in the last 500 years human activity has forced 816 species to extinction. As biological diversity is los
6、t, we also lose the possibility of tapping as yet unknown resources for agriculture, industry, and health care. Chinas biological resources are among th e worlds richest. This is not only due t o its size, but also due to the tremendous diversity of habitats it provides for wild plants and animals.
7、The worlds highest and lowest points are in Chinese territory, and it has a variety of ecosystems that is unequalled else where, from glaciers t o coral reefs, from deserts to tropical rainforests. As a result, China s diversity of wild plants and animals is greater than all of North America or Euro
8、pe, and equal to one eighth of all species on Earth.,Basic facts There are over 385 threatened species in China (according to the IUCN Red List) Giant pandas have lost half their habitat between 1974 and 1989 In the past century, the world lost over 90% of its tiger population; in China, there are o
9、nly about 90 tigers left in the wild Endangered species in China include the giant panda, golden monkey, South China tiger, Siberian tiger, Asian elephant, black-necked crane, crested ibis, saunders gull, dugong, Yangtze river dolphin, plus many lesser-known species. Key threats Habitat loss, fragme
10、ntation, and degradation because of human activities such as logging or mineral exploitation Wildlife trade and the illegal hunting of species such as musk deer and bears, whose body parts are used in traditional Chinese medicines Pollution and climate change,SolutionsThe best way to preserve biolog
11、ical diversity is to maintain flora and fauna in their natural ecosystems. This can be achieved by controlling unsustainable actions such as poaching, as well as by setting up protected areas, and encouraging sustainable use of natural resources. Because the existence of flora and fauna are also thr
12、eatened by pollution and climate change, sustainable development and the decrease of wasteful consumption in affluent areas are ultimately the key.,Lesson One,Lead-in,Audio studio,Video studio,Speaking workshop,Project bulletin,Lead-in,Task 1,Task 2,Task 3,Task 1 Describing the Picture,Describe the
13、picture first and then discuss what might be the most appropriate title for the picture.,What may be the best way to preserve animals in danger?,What is the implication of the picture?,Task 2 Reflecting on the Reading,1. Why did Smits name the little orangutan “Uce”?,Read through the Supplementary R
14、eading passage on page 124, and answer the following questions.,Answer: It takes in orphaned or displaced animals and resettles them in protected rainforests.,Answer: Smits named her Uce, for the gasping sounds shed been making when he rescued her.,2. What are the responsibilities of Smits organizat
15、ion, the Borneo Orangutan Survival Foundation (BOS) ?,3. What inspiration did Smits gain on the mission to save the endangered orangutan?,Answer: He learned the fact that we human cannot survive once we lose other species; our fates are linked.,4. Why did Smits fail to make a big difference to slow
16、down the decline in the orangutan population despite his dedication?,Answer: Increased illegal logging as well as the booming of palm oil business resulted in deforestation, which brought a series of severe consequences that devastated the orangutans natural habitat.,5. What measure did Smits adopt
17、for the sake of saving orangutans in 2003?,Answer: He grew a new rainforest, designed as a refuge for orangutans and a model for a new kind of human community.,Task 3 Expanding Your Vocabulary,A. most important B. to show the nature of or express (sth) C. to dare to go (somewhere dangerous or unplea
18、sant) D. area of land reserved especially as a habitat for nature conservation E. to make sth continue at the same level, standard, etc. F. to change or make sth change from one form, purpose, system, etc. to another,Read through the words in the left-hand column, and match each of them with the app
19、ropriate meaning in the right-hand column.,1. reflect,2. reserve,3. venture,4. essential,5. convert,6. maintain,Audio Studio,Word Bank,1. roam 漫步 2. macaque 猕猴 3. accustom 使习惯于 4. problematic 产生问题的 5. habitat (动物或植物的) 生存环境 6. urbanize 使 (尤指农村地区) 城 市化 7. encroach 侵入 8. raid 袭击 9. ecosystem 生态系统,Task
20、1,Task 2,Audio Task 1 Identifying the Gist,1. What is scientists biggest concern about macaques? A) The sharp decline in number B) The rapid urbanization of Singapore. C) The devastating natural environment.2. What accounts for monkeys running from reserves into the city? A) It is hard for them to f
21、ind food in their habitat. B) They enjoy living side by side with humans. C) There is not much space left for them.,Listen to the audio clip, and choose the right answers to the questions.,Audio Task 2 Checking the Facts,1. There are also some parts of the island that still reflect how it used to lo
22、ok _. 2. The macaques have grown accustomed to being fed, so _ _ as a source of food. 3. As the monkeys depend more on humans for food, they venture further from _. 4. These macaques are French species so they live _ _. 5. After all, the macaques _ the rainforests ecosystem.,Listen to the audio clip
23、 again and fill in the blanks according to what you have heard. Repeat the sentences after you have completed them.,Script,before urban development took over,they look to,humans,their natural habitat.,on the edges of the,rainforests,are essential to maintaining,While some visitors to Singapore expec
24、t a high-tech city, there are also some parts of the island that still reflect how it used to look before urban development took over.In one of the main Central Nature Reserves, monkeys still roam freely, living side by side with humans. The macaques have grown accustomed to being fed, so they look
25、to humans as a source of food. But this in itself is problematic. As the monkeys depend more on humans for food, they venture further from their natural habitat, a phenomenon that has worried experts.There is just not enough space. Essentially, in much of Southeast Asia weve seen a lot of habitat lo
26、ss where rainforest has been destroyed and converted into human settlement. Singapore is a very urbanized city, and its taken a lot of space, so there is not much space left for long-tailed macaques. We really need to stop encroaching into nature reserves. We need to stop building the houses so near
27、by the reserves, which then causes the problem of the macaques coming into peoples houses and raiding them. These macaques are French species so they live on the edges of the rainforests.If humans keep building the houses so near the reserves, there will definitely be a constant human-macaque confli
28、ct issue.After all, the macaques are essential to maintaining the rainforests ecosystem. More should be done to protect them.,Script,Video Studio,Word Bank, statistics 统计资料 capture 捕捉 1. odyssey 长途的冒险行程 2. expanse 广阔的区域 hostile 敌意的 3. bison 北美野牛 4. grizzly 灰熊 (产于北美) 5. extinct (尤指某种动物等) 灭绝的 6. endan
29、ger 危及，危害 7. sobering 使清醒的，使冷静的 8. catastrophe 突如其来的大灾难 companion (相伴的) 人或动物 9. biosphere 生物圈 in the midst of 在中间 10. Potomac 波托马克河 California 加利福尼亚州 (美国),Task 1,Task 2,Task 3,Video Task 1 Matching &Predicting,1. These creatures _ statistics by most people. 2. Maybe we can _ to keep them with us her
30、e on earth. 3. America seems to be an endless _ hostile wildness. 4. Human beings did not even know it was possible for a species to _. 5. When you are _ America, you understand why so many plants and animals are endangered.,Complete the following statements with the phrases given below. Predict wha
31、t will be talked about in the video. Then check your answers after watching the video clip.,driving across make the effort are known as expanse of go extinct,are known as,make the effort,expanse to,go extinct.,driving across,Video Task 2 Checking Your Comprehension,Watch this part of the video clip
32、and answer the following questions.,1. What places have the two photographers visited? Answer: The whole of America.,2. What is the mission of the two photographers? Answer: To take photos of endangered animals.,3. What was the common enemy that the first Europeans on America had to conquer? Answer:
33、 Nature.,4. How many species have slipped into extinction? Answer: Hundreds of species.,5. Why are so many plants and animals in danger? Answer: They are losing their homes.,Video Task 3 Bridging the Gap,Watch this part of the video clip and complete the chart.,Script,Its a sobering fact that there
34、is an extinction crisis.,There have always been species going extinct time to time. But now, human activities push them to _.,We are in the midst of a biological catastrophe. It is the greatest since the end of the age of dinosaurs, _ _ _,What I hope you succeed in doing is to make endangered specie
35、s _ _; make it clear to them that every endangered species has a _, _ _,There is a place in the world bring us _ _; make us know that they are companions in the biosphere. They are not just something out there you look at once in the wild. They are a part of our existence. _.,a thousand times,sixty-
36、five,million years ago.,a vivid presence in the,lives of people;,name,has,a million-year history.,face to,face with each one of those species,Theyre a part of us,ScriptThese creatures are known as statistics by most people. But we are treating them as individuals, trying to capture their personaliti
37、es. We want to see them face to face, eye to eye, make them unavoidable.The series is now their mission in life, their calling and their passion. For the two photographers, its an endless odyssey across America to show the faces of creatures we may never see again. These creatures are in danger. The
38、yre slipping away. But if people can see them, maybe we can make the effort to keep them with us here on earth.“Ok. Make here. Great! Great!”The first Europeans on this continent had a common enemy to conquer. It was called nature. America seemed to be an endless expanse of hostile wildness. Bison w
39、andered along the Potomac. Grizzly bears strolled along the beaches of California. Human beings did not even know it was possible for a species to go extinct. But we learned. Hundreds of creatures slipped into extinction. Even our national symbol was disappearing before our eyes.When you are driving
40、 across America, you understand why so many plants and animals are endangered. Theyre losing their homes. Were building a human world, and losing a wild one.,Expert: “Its a sobering fact that there is an extinction crisis. There have always been species going extinct time to time. But now, human act
41、ivities push them to a hundred to a thousand times. We are in the midst of a biological catastrophe. It is the greatest since the end of the age of dinosaurs, sixty-five million years ago. What I hope youll succeed in doing is to make endangered species a vivid presence in the lives of people; make
42、it clear to them that every endangered species has a name, has a million-year history. There is a place in the world bring us face to face with each one of those species; make us know that they are companions in the biosphere. They are not just something out there you look at once in a while. But th
43、ey are a part of our existence. They re part of us.”,Script,Speaking Workshop,Expressions & Structures to Use,1 side by side 2 grow accustomed to 3 look to 4 be converted into 5 on the edge of 6 be essential to 7 be known as 8 in danger 9 slip away 10 expanse of 11 What . hope . succeed in doing is
44、to . 12 go extinct 13 slip into 14 time to time 15 in the midst of,Task 1,Task 2,Speaking Task 1 Summarizing,Discuss with your peers and complete the following tips with the information you have learned in the video clip. Then prepare an oral presentation with the help of the tips.,Tips: . on the mi
45、ssion to . . on the brink of . What . intend to do is to . Just as . note that . We human beings are in the midst of .,Speaking Task 1 Summarizing,Summary:The two photographers in the video are on their mission to visit creatures in danger and take portraits of endangered species on the brink of ext
46、inction. What they intend to do is to make efforts to keep them with us on Earth by showing the faces of creatures we may never see again. This would promote the awareness about maintaining biodiversity on earth. Just as the experts note that it is human activities that have pushed species to extinc
47、tion a hundred to a thousand times, we human beings are in the midst of a biological catastrophe.,Situation 1. Being listed an endangered species in the International Union for Conservation of Nature (IUCN), the red-crowned crane is a first class protected bird in China. Xu Xiujuan, the first red-cr
48、owned crane trainer in China, stayed in Yancheng National Red-crowned Crane Nature Reserve to protect these birds after her graduation from university. She made painstaking contributions to their preservation. In an attempt to save a white swan, she gave up her life at the age of 23.,Speaking Task 2 Solving the Problem,Work with your peers on the situation below and try to come up with a solution to the problem described. You are expected to share your ideas and justify yourself in this process. Use as many phrases from the “Expressions & Structures to Use” box as possible.,
