Unit 6 Survival Understanding ideas 课件 -2023-2024学年高中英语外研版（2019）选择性必修第二册

animals man 1 Engage Read and guess: the criminal was _______________ The crime took place in a seaside suburb of Cape Town. Spotting the car with its window left open, the greedy thief didn’t hesitate. Within seconds, he had reached inside and run away with a bag of shopping. No matter how many crimes he committed, the police were powerless to arrest him… the 2nd largest city in 2 Engage This was no ordinary criminal: it was a chacma baboon (豚尾狒狒). 3 Phenomenon: More and more wild animals are living in _____ ! cities 4 Explore What do you want to learn about the phenomenon? Read the article and choose the topic sentences for Paras. 2-5. Explore What aspects of the phenomenon are introduced in the text? Explore Para. 2 Para. 3 Para. 4 Para. 5 One thing crucial to the increasing number of “urban animals” is their ability to adapt. People often wonder about the reasons behind this mass urban migration. For those animals that don’t adapt, the city can be a dangerous or even deadly place. Yet, for its newest and wildest inhabitants, a city can offer many benefits. 2) Check the answers and decide what aspects of the phenomenon are introduced. adaption dangers Read the article and complete the diagram with key words. Explore What are the details for each aspect? Share the key words you’ve found in pairs. 1) 2) urban development & climate change… animals out of natural habitats humans moving into… appealing spaces out of reach from natural predators plenty to eat more intelligent changing habits to fit in window impacts understand and appreciate our wild neighbors high-rise buildings in the way Explain Discuss in groups. Explain the value of animals neighbors based on the text and interdisciplinary(跨学科的) knowledge. All animals have a role to play in the ecosystem. More species mean a more stable ecosystem. Humans rely on the ecosystem for our survival. Protecting biodiversity is the insurance for a sustainable future. v. to recognize how good something or someone is and to value it 10 urban development & climate change… animals out of natural habitats humans moving into… appealing spaces out of reach from natural predators plenty to eat more intelligent changing habits to fit in window impacts understand and appreciate our wild neighbors high-rise buildings in the way Examples in China? The “urbanization” of wild animals is happening globally. Extend Here is what’s going on locally. 2022-04-26 21st Century Teens Swallows are nesting at subway stations. Egrets visit the fish market. 2021-04-27 Xiaohongshu Racoon dogs make home in residential neighborhood in several cities. 2021-07-13 China Daily 城市与野生动物“貉”平共处 Let’s get to know one of our animal neighbors. Extend Habitat They live in wetlands, rivers, lakes and ponds. Egrets Diet They mainly feed on fish, insects and frogs. Reproduction They nest on tall trees near water. Migration Their navigation (导航) is highly affected by air quality. Work in groups to analyze the phenomenon: more and more egrets are entering cities, based on the animal fact file. Extend Evaluate With _______, we can not only survive together but also thrive together! What is your understanding of the survival of man and animals? The survival of man The survival of animals Interdependence 15 Grammar: Adverbial clauses with –ever and no matter 1. Look at the sentences and answer the questions. Sentences (a) and (c) are from the reading passage. a. Wherever they go, animals find towns and cities in their way. b. Animals always find towns and cities in their way as they go. c. No matter how many crimes he committed, the police were powerless to arrest him. d. Even though he committed many crimes, the police were powerless to arrest him. 1. What is the difference between the sentences in each group? 2. What is the meaning of -ever and no matter? Why does the author choose to use sentences (a) and (c)? 3. What is the meaning of -ever and no matter? Why does the author choose to use sentences (a) and (c)? 1. What is the difference between the sentences in each group? Sentences (a) and (c) are more emphatic. Sentences (b) and (d) state facts without any particular emphasis. 2. What is the meaning of -ever and no matter? Why does the author choose to use sentences (a) and (c)? -ever and no matter mean that something is true or happens in all circumstances. The author uses sentences (a) and (c) to stress that animals cannot avoid towns and cities encroaching upon their habitats, and that the police had no power to arrest the thief, regardless of his crimes. 3. What other words can be combined with -ever and no matter to form adverbial clauses? Words combined with -ever: whoever, whomever, whatever, whichever, whenever, however. Words combined with no matter: no matter who, no matter whom, no matter what, no matter which, no matter when, no matter where, no matter whether, no matter if, no matter how, etc. Now look for more sentences with adverbial clauses with -ever and no matter in the reading passage， and summarise their uses in your own words. However they adapt to our ways of urban living, it’s important that … However true this is, we also need to consider ... Whatever the reasons behind these species entering our cities, one thing is… 疑问词 + ever 和 no matter + 疑问词引导的状语从句 “疑问词 + ever” 和“no matter + 疑问词”的语义相同，都意为“无论……, 不管……”,均可引导让步状语从句，在句子中起强调，加强语气的作用。“ 疑问词 + ever”=“no matter + 疑问词” 么？ 疑问词 + ever 和 no matter + 疑问词引导的状语从句 1.“no matter + 疑问词”可以用来引导让步状语从句，从句可以位于主句之前，也可以位于主句之后，且从句要用一般时来表将来。 No matter how hard you try, loss is something you have to accept. = However hard you try, loss is something you have to accept. 2.疑问词 + ever 还可用来引导主语从句、宾语从句或表语从句等名词性从句，从句用陈述句语序。 我将会承受生活给我的任何东西。 I will take whatever life gives me. 总结： 1 ) no matter + 疑问词只能用来引导让步状语从句，此时相当于疑问词 + ever。 2) 疑问词 + ever 还可用来引导名词性从句，如主语从句，宾语从句和表语从句等，此时不能用 no matter + 疑问词替换。 Examples No matter when you have the problems, I will do everything that I can to help you. Whatever problems you may face, you have to be brave enough. Whoever comes late should explain the reason to the head teacher. a句中，no matter when you have the problems 是由 no matter when 引导的让步状语从句，这里可替换成whenever you have the problems. b句中，whatever problems you may face 是 whatever 引导的让步状语从句，这里可替换成 no matter what problems you may face. c句中，whoever comes late 是由 whoever 引导的主语从句，这里不能替换成 no matter who. Practice 1.无论有多累，我都会坚持到底。 I will hold on to the last no matter how tired I am. I will hold on to the last however tired I am. 2. 你现在所学的任何东西可能都对将来有所帮助。 Whatever you learn at the moment will be likely to help you later. （whatever you learn 引导的主语从句） Activity 2 Rewrite the underlined parts using adverbial clauses with -ever and no matter. 1. Whatever past experience you have had / No matter what past experience you have had, please read these survival tips carefully: 2. Whenever a wildfire breaks out / No matter when a wildfire breaks out, leave the area quickly but calmly. 3. No matter how many people there are in your group / However many people there are in your group, don’t split up. 4. Wherever you go in the wild / No matter where you go in the wild, take a first aid kit with you. Activity 3 Read the story and complete the sentences using adverbial clauses with -ever and no matter. No matter how many times she was rushed to the ICU / However many times she was rushed to the ICU Wherever she went / No matter where she went no matter what the future holds / whatever the future holds No matter what difficulties she might face / Whatever difficulties she might face $$