Unit 4 The Wonders of Nature Section B 3a-3c 课件 2025-2026学年人教版英语八年级下册

Section B Why do we explore nature? Section A 3a-3c 写作课 单元主题： 人与社会 人与自然 单元子主题： 身份认同与文化自信 不同地区的生态特征与自然景观； 热爱与敬畏自然，与自然和谐共生； 环保意识和行为 学习目标 能够理解自然奇观宣传广告的语篇特征，体会大堡礁旅游宣传广告中使用形容词的比较级和最高级的效果，以及大数字对增强内容可信度的作用，掌握宣传广告提升感染力的策略。 能够分析写作范文中的内容要素，理解相关语言表达的意义和作用，并学习范文中生动的语言表达。 能够学会在写前通过列举要点构思文章内容，并用完整句表述要点内容，在此基础上为感兴趣的自然奇观创作一篇内容充实又有感染力的宣传广告。 What do you know about the Great Barrier Reef? 3 Read the title and the first two sentences. What kind of text is this? A. a story B. a news report C. an advertisement What is the purpose of an advertisement like this? To attract readers' interest, provide key information, and encourage them to visit. c How does the writer make the ad attractive and objective(客观的) at the same time? Now circle the numbers and underline the adjectives. Questions to interest readers Numbers Catchy headline and pictures Adjectives call to action at the end Read the advertisement. Circle the numbers and underline the adjectives used to describe the Great Barrier Reef. 3a Adjectives make descriptions more vivid(更生动). Numbers make information more specific.(更具体). They make advertisements more attractive and persuasive(更具吸引力和说服力) Why does the writer use so many adjectives and numbers? What natural wonder is it about? c It’s about the Great Barrier Reef. /ˈbæriə(r)/ /riːf/ What’s the main idea of each paragraph? Para.1 Para.2 Para.3 Location and special facts Things to do and final invitation Call to visit Read the advertisement. Circle the numbers and underline the adjectives used to describe the Great Barrier Reef. 3a Do you love the ocean? Do you want to visit one of the natural wonders of the world? If so, visit the Great Barrier Reef! Located on the northeastern coast of Australia, the Great Barrier Reef is one of the most amazing places to visit. It is the biggest coral reef in the world. It takes up an area of 345,000 square kilometres and includes many islands and white sand beaches. The Great Barrier Reef is also alive! If you visit it, you will see the largest living structure on earth. Here, you can swim or dive in the clear water and see coral, plants, and colourful fish. If you dive deeper, you might even see large fish, turtles, and sharks. For people who love the ocean, visiting the Great Barrier Reef is the dream of a lifetime! General speaking 总 Details 分 Details 分 What’s the structure of the article? 7 Read the advertisement and fill in the blanks. The Great Barrier Reef: An Amazing Underwater World Para.1 Call to visit Do you love __________? Do you want to visit ______ of the ______________ of the world? If so, visit ___________________. Para.2 Location Located on _____________________________, it is one of ________ ________ places to visit. Special facts It is __________________ in the world. It takes up an area of _______________________ and includes many ________ and _________________. Para.3 Things to do If you visit it, you will see _____________________________, and you __________________________ and see ________________ ___________. And you might even see ________________________. Final invitation For people who love _________, visiting the Great Barrier Reef is ___________________. the ocean one natural wonders the Great Barrier Reef the northeastern coast of Australia the most amazing the biggest coral reef 345,000 square kilometres islands white sand beaches the largest living structure on earth swim or dive in the clear water coral, plants and colourful fish large fish, turtles and sharks the ocean the dream of a lifetime Do you love the ocean? Do you want to visit one of the natural wonders of the world? If so, visit the Great Barrier Reef! Located on the northeastern coast of Australia, the Great Barrier Reef is one of the most amazing places to visit. It is the biggest coral reef in the world. It takes up an area of 345,000 square kilometres and includes many islands and white sand beaches. The Great Barrier Reef is also alive! If you visit it, you will see the largest living structure on earth. Here, you can swim or dive in the clear water and see coral, plants, and colourful fish. If you dive deeper, you might even see large fish, turtles, and sharks. For people who love the ocean, visiting the Great Barrier Reef is the dream of a lifetime! 世界自然奇观 澳大利亚东北海岸 最令人惊叹的地方之一 世界上最大的珊瑚礁 占地面积…平方公里 白色沙滩 地球上最大的活体结构 在清澈的水中游泳或潜水 潜得更深 一生的梦想 Language Focus Read the advertisement and find out the expressions. Expressions Example from the text Interactive expression（互动性表达） Persuasive expression（说服性表达） Comparative expression（比较/最高级表达） Sensory expression (visual)（感官性表达，视觉类） Do you love the ocean? Do you want to visit one of the natural wonders of the world? If so, visit the Great Barrier Reef! For people who love the ocean, visiting the Great Barrier Reef is the dream of a lifetime! one of the most amazing places to visit the biggest coral reef in the world the largest living structure on earth clear water white sand beaches colourful fish Read again and find the structure. Hook 用问句吸引读者，引出主题 Details 介绍位置、规模、基本特色 Experience 描述旅游活动与独特景观 Call to action 用感叹句强化吸引力，鼓励前往 3b Read a student’s notes on Qinghai Lake. Rewrite them in full sentences. Qinghai Lake is a __________ in ____________________. Qinghai Lake is _______________ in China. It is __________________________ in size. If you visit Qinghai Lake, you can ___________________. salt lake Qinghai Province, China the largest lake 4,340 square kilometres photograph wildlife (fish and birds), visit islands, ride a bike or horse. Qinghai Lake ·What: a salt lake ·Where: Qinghai Province, China ·Special fact: the largest lake in China (4,340 km²) ·Things to do: photograph wildlife (fish and birds), visit islands, ride a bike or horse Make an outline Try to finish the table. Qinghai Lake: _______________________________ Para.1 Call to visit Para.2 Location Special facts Para.3 Things to do Final invitation Do you love _______________________? Do you want to visit ______________________ of the world? If so, come and visit ____________! Located in ______________________, it is one of the ____________ places to visit. It is the _______ lake in China. It has an area of ________ square kilometres. If you visit it, you can ______________________________, ____________ and ___________________. For people who ________________________, visiting Qinghai Lake is ____________________! beautiful lakes/nature one of the natural wonders Qinghai Lake Qinghai Province, China most amazing largest 4,340 photograph wildlife (fish and birds) visit islands ride a bike or horse love nature/beautiful views the dream of a lifetime An Amazing Highland Wonder Part 1 Hook 用问句吸引读者，引出主题 Details 介绍位置、规模、基本特色 Experience 描述旅游活动与独特景观 Call to action 用感叹句强化吸引力，鼓励前往 Part 2 Part 3 Part 4 Qinghai Lake: An Amazing Highland Wonder Write an advertisement for Qinghai Lake . Try to make your advertisement as persuasive as possible. Do you love quiet lakes and amazing wildlife? Then visit Qinghai Lake! Located in Qinghai Province, it is the largest salt lake in China, covering 4,340 square kilometres. ... If you ... you can .../ you can see... Come to Qinghai Lake and make your dream come true! Title 3c Pair work to evaluate your writing. Evaluation content 1. 包含青海湖核心信息（咸水湖、位置、面积、中国最大湖） 2. 列出至少2项可体验活动 3. 突出独特卖点，有说服力 language 1. 正确使用形容词、数据和描述性词汇 2. 句式多样，无明显语法错误 3. 拼写准确，用词恰当 structure 1. 开头吸引人，结尾有号召力 2. 段落清晰，过渡自然 按照以下维度自查。再和同伴互相评价。 评价维度 1 point 2 points 3 points Your Score 形容词使用 Few adjectives Some good adjectives Many vivid adjectives 数据与事实 No numbers Has correct numbers Clear & helpful numbers 文章结构 No clear structure Basic structure clear Complete structure (Hook → Facts → Activities → Call) 书写与语法 Many mistakes A few mistakes Few or no mistakes 说服力 Not attractive A little attractive Very attractive Write an advertisement for Qinghai Lake. Example: Qinghai Lake: An Amazing Highland Wonder Do you love quiet lakes and amazing wildlife? Then visit Qinghai Lake! Located in Qinghai Province, the northwestern of China, the Qinghai Lake is one of the most amazing places to visit. It is the largest salt lake in China, covering 4,340 square kilometres. If you visit Qinghai Lake, you can photograph wildlife, visit islands, ride a bike or horse. Qinghai Lake is more beautiful in summer. If you visit in July, you can see many beautiful birds and fields of blooming rape flowers. Walk along the lake and enjoy the clear blue water stretching to the sky—every view is a wonderful surprise. Come to Qinghai Lake and make your dream come true! Writing travel advertisement Beginning Body (key information) Ending 用问句吸引读者，引出主题 Do you love...? Do you want to visit...? 位置：Located in/on/at... northeastern 规模：It takes up an area of 345,000 square kilometres. 特色：biggest, largest, longest... 体验：If you visit... you can do/see colourful... 用感叹句强化吸引力，号召前往 For people who love ..., visiting ... is the dream of a lifetime! 课堂总结 1. The Great Barrier Reef is also alive! 大堡礁也是有生命的！ 【辨析】alive, live, lively 与 living alive 意为“活着的；有生气的”，作表语或后置定语 live 作动词时读/liv/，意为“居住，生活”；作形容词时读/larv/，意为“活的，现场直播的” lively 意为“活泼的；生动的；充满活力的”，作定语或表语 living 意为“活着的；现存的”，作定语或表语 All the people alive are very lucky to escape from the fire. 所有还活着的人都很幸运地从火灾中逃了出来。 I live in Beijing. 我住在北京。 There is a live fish in the bowl. 碗里有一条活鱼。 She is a lively girl. 她是一个活泼的女孩。 All living things need water. 所有生物都需要水。 Lavf57.71.100 Packed by Bilibili XCoder v2.0.2 Lavf58.29.100 Packed by Bilibili XCoder v2.0.2 $