Unit5 Into the wild Understanding Ideas课件-2025-2026学年高中英语外研版必修第一册

B1U5 Into the wild The Monarch’s Journey 1. Lead in: What does the video mainly talk about? Migration refers to the movement of a species from one habitat to another over a long distance in response to seasonal changes to the environment. They move to places where conditions are better—where the weather is warmer, where there is more food and water, or where their young will be safer. d e f a monarch butterfly b Siberian crane c Atlantic salmon red panda Killer whale African lion Look at the pictures and choose the animals that migrate. 帝王蝶 西伯利亚鹤 大西洋鲑鱼 小熊猫 虎鲸 非洲狮 The Monarch’s Journey Where are you most likely to find the passage? 1. In a scientific research paper about the monarch butterfly’s migration. 2. In a popular nature magazine introducing the monarch butterfly. 3. In a travel leaflet encouraging people to visit North America. 科学研究论文 旅游手册 Read for details: Para 1. The definition of migration. What is migration? The annual movement that ___ __________________________________________________________________________________________ Why do they migrate? 1. ________________ 2. ________________ 3. ________________ To introduce the topic many animals move from one place to another at certain times of the year. find food seek a partner in search of warmer weather Which is the most wonderful example of the migrations? Monarch butterfly Where is the destination目的地? ____________________________ ____________________________ Read for details: Para 2. The introduction of the monarch's migration. What is the time of migration? ____________________________ How long is the distance? ____________________________ ____________________________ Every autumn. They manage to travel around 4,000 kilometres. They find their way to California or Mexico. 到达 Transition承上启下 Why do we call it “one of the most wonderful migrations”? Millions of monarchs with wings Long and difficult journey Small Wings, Big Willpower Read for details: Para 3. The way of the monarch's migration. a. The monarch butterfly is able to tell _______________. b. Using these two pieces of information, the monarch butterfly determines____________. c. The monarch butterfly measures _____________________ with its eyes. d. The monarch butterfly reaches __________________________________. the time of day the way to go the position of the sun the places where it will spend the winter a c b Complete the cause-effect因果 flow charts流程图. Read for details: Para 4. The trouble of the monarch. e. Humans _________ trees. f. The___________________________ where monarchs can be found is destroyed. g. Humans use chemicals that ____________ that monarch caterpillars eat. h. The monarch butterfly’s population _____________________________ in the last few years. cut down natural environment of many places kill the plants has crashed (by as much as 90 per cent) e g f Complete the cause-effect flow charts. Read for details: Para 5. The protection of the monarch. What should we do to protect the monarch? dos: ___________________________________ ______________________________________________________________________ ___________________________________ ___________________________________ don’ts: ___________________________________ ______________________________________________________________________ ___________________________________ Don’t destroy the natural environment. Don’t cut down trees Don't’ use chemicals that kill the plants that monarch caterpillars eat. have a greater awareness of this creature work together to record its migration make sure that there are enough plants for it to feed on Read for details: Para 5. The protection of the monarch. The 比较级；the 比较级 我们对这种迷人的生物了解越多,它们在自然界中得以长久生存并保持其位置的可能性就越大。 Read for the structure and the genre. The introduction of the monarch’s migration. The way of the monarch’s migration. The definition of migration. The trouble of the monarch. The protection of the monarch. Research Background Research Findings Research Significance What’s the genre of the text? A. Expository writing 说明文 B. Argumentative writing议论文 C. Narrative writing 记叙文 D. Practical writing 应用文 Expository Devices 下定义 举例子 列数据 因果分析 Definition Using examples Using data Cause and Effect Analysis Wildlife Protection It is a long and tough journey, needing our joint efforts. monarch’s journey to find their way to the destination Think&Share scientists’ journey to find the solution to the mystery human’s journey to protect the monarch and wildlife. The Monarch’s Journey Migration The Monarch’s Why does the author use “journey” instead of “migration” in the title? Protecting wildlife is protecting our future! Homework: What should we do to protect the wildlife? 假设你是李华，你校英文报正在举办“保护野生动物”主题征文活动。请你以“Protecting Wildlife, Protecting Our Future”为题，给报社写一封倡议信，内容包括： 1. 简述野生动物保护的重要性； 2. 列举当前野生动物面临的主要威胁； 3. 提出具体的保护倡议。 注意： 1. 词数100左右； 2. 可以适当增加细节，以使行文连贯； 3. 开头和结尾已给出，不计入总词数。 Dear Editor, I am Li Hua, a student from our school. I am writing to appeal to all my fellow students to pay more attention to the protection of wildlife. ...... Let's take action now and make our planet a better home for all living beings! Yours, Li Hua Homework: What should we do to protect the wildlife? 视频来源：Gonglinxibilibili Homework: What should we do to protect the wildlife? Dos Don’ts Protect the natural environment Keep away from their home choose green means of transport plant trees; live in harmony with nature ... use poisonous chemicals hunt (them)for meat/fur kill them for money keep them as pets illegal trading ... Unit5 INTO THE WILD Understanding ideas Language points Read after the tape and underline the expressions in the passage. at certain times the annual movement migrate-migration seek a partner in search of warmer weather millions of a long and difficult journey somehow adv. manage to do find one’s way to 11. tell the time 12. measure the position of the sun 13. determine the way to go 14. the solution to the mystery 15. in serious trouble 16. crash by as much as 90 per cent 17. human activity 18. destroy the natural environment 19. cut down trees 20. use chemicals 21. the research on 22. lead to a greater awareness 23. feed on 24. make sure 1.One of the most wonderful migrations in nature is that of the North American monarch butterfly. 【句式解构】 当句子中再次出现与前面的名词重复的名词时, 常常用that代替前面出现的单数可数名词或不可数名词, 而用those代替前面出现的复数名词。 Is the population of Beijing larger than________of Shanghai? 北京的人口比上海的人口多吗? The students of our class are more hard-working than _________of Class 3. 我们班的学生比三班的学生更努力。 2. Every autumn, millions of these beautiful insects with fine black and orange wings begin a long and difficult journey. 每年秋天，数百万只这种翅膀橙黑相间的美丽昆虫都会开启漫长且艰辛的旅程。 millions of, hundreds of, thousands of, billions of 等属于概数词，of后面接可数名词复数，短语前面不可以加具体的数词。 e.g Millions of people went back to their hometown at Spring Festival. 【拓展】 hundred / thousand / million / billion用法： 具体的 数词 + hundred / thousand / million / billion (单数形式) hundreds / thousands / millions / billions (复数形式) + of+ n. Two hundred people are enough for the work. Billions of stars twinkled in the sky. 3. It’s population has crashed by as much as 90 per cent in the last few years. 其数量在近年内减少了百分之九十之多。 population 人口，人口数量，作主语时谓语动词单复数根据意思来定。提问人口数量多少时只能用what，不能用how many。 e.g The population is increasing at about 6% per year. (population当做整体) One third of the world’s population consume(s) two thirds of the resources. What’s the population of China? crash v. 1) to lose a lot suddenly 暴跌 2) to hit extremely hard 碰撞，撞击 crash into/ onto 撞上…… 3) to lose very badly in a sport 溃败，惨败 e.g Share prices crashed to an all-time low (前所未有的低记录) yesterday. A track went out of control and crashed into the back of a bus. I crashed completely in the first round. crash n.   a sudden loud noise made by something falling, breaking etc 碰撞声，碰撞 an accident in which a vehicle violently hits something else (汽车的)撞车事故; (飞机的)失事 a sudden disastrous drop in the value or price of something, especially shares 暴跌 e.g There was a serious car crash here. Many investors suffered huge losses in the recent stock market crash. 【语境应用】指出下列句子中crash的意思和词性。 The tree fell with a great crash. Files can be lost if the system suddenly crashes. 3) A girl was seriously hurt in the yesterday’s car crash. 4) She went out of the room angrily and crashed the door heavily behind her. n. 破裂声 v. 奔溃 n. 撞车 v. 猛撞，碰撞 4. The more we know about this lovely creature, the greater the chance it will survive and keep its place in the natural world for a long time to come.我们对这种迷人的生物了解的越多，它们在自然界中得以长久生存并保持其位置的可能性就越大。 【句式分析】The +比较级 ……, the +比较级 ……是固定搭配，用来表示“越…….越……” The more I know him, the more I like him.我越了解他，就越喜欢他。 The harder you work, the luckier you will be.越努力，越幸运。 对比另一种形容词/副词比较级用法： 比较级+ and +比较级，意为“越来越……” e.g China is becoming stronger and stronger. 【知识归纳】 外研2019版必修第一册 Unit5 Into the wild 【即学即练】翻译句子/单句语法填空 中国人民的生活越来越好。 我对这个城市了解的越多，就越喜欢它。 他越想越糊涂。 The more you practise, the ____________ (skillful) you'll become. The lives of Chinese are better and better. The more I know about the city, the more I love it. The more he thought, the more confused he became. more skillful 外研2019版必修第一册 Unit5 Into the wild null 30093.281 null 27925.068 null 40359.07 null 37146.176 null 35657.273 Lavf57.71.100 Packed by Bilibili XCoder v2.0.2 null 169360.55 $