Unit 5 Section B 3a- 3c 课件 2025-2026学年人教版英语八年级下册

该初中英语课件围绕“自然奇观”主题，聚焦自然景观描述词汇、广告写作结构及环保意识培养。课堂以大堡礁视频导入引发兴趣，通过阅读分析广告类型、数字与形容词作用，再以青海湖笔记为支架，引导学生从语言输入过渡到广告写作输出。 其亮点在于融合语言能力、思维品质与文化意识，如视频导入提升语言理解，对比大堡礁与青海湖培养分析迁移能力，环保倡议增强社会责任感。采用“输入-分析-迁移”教学法，学生提升写作与表达能力，教师获得结构化流程及自评互评工具，助力高效教学。

Unit 4 The Wonders of Nature Section B 3a-3c Writing Learning Objectives To acquire and correctly read vocabulary related to natural landscapes and travel experiences, and understand the usage of descriptive adjectives and numerals by listening, reading, viewing and other means. To the use of vocabulary describing natural landscapes in real contexts, actively introduce a favorite natural landscape using the learned words, and realize the importance of protecting natural wonders by discussion and writing practice. To obtain key information about natural landscapes such as the Great Barrier Reef and Qinghai Lake, summarize and internalize common expressions for describing location features and giving travel suggestions by reading and analysis. Watch and Answer What is the video about? The Great Barrier Reef. 大堡礁 Do you want to know more about the Great Barrier Reef ? Let’s read a passage together. Read and Analysis What is the type of this passage? A. A report B. An advertisement C. A science fiction story What is the author's purpose in writing this advertisement? The author's purpose is to introduce the amazing features of the Great Barrier Reef and attract more people to visit it. 特色 √ Read and Circle Read the advertisement. Circle the numbers and underline the adjectives used to describe the Great Barrier Reef. 3a What roles do these words play in the advertisement? Numbers make the advertisement believable and impressive. Adjectives make the advertisement attractive. 可信的 吸引人的 印象深刻的 Read and Answer 1. Where is the Great Barrier Reef? 2. How large is the Great Barrier Reef? 4. What can you do in the Great Barrier Reef? It is on the northeastern coast of Australia. It takes up an area of 345,000 square kilometres. We can swim or dive in the clear water. 3. What can you see in the Great Barrier Reef? We can see coral, plants, colourful fish, large fish, turtles and sharks. Read and Complete An _________ to visit _________ and sights there invitation Activities Facts about ________________ ______ the Great Barrier Reef Read again and complete the main idea of each part. (通过问句提出邀请) (介绍大堡礁的位置、面积和特色) (描述大堡礁的风景和游客活动并再次推荐游客游玩) Part 1 Part 2 Part 3 I just got some notes about Qinghai Lake from my friend. Can you help me complete the information? 3b Read and Complete Read the notes on Qinghai Lake. Rewrite them in full sentences. 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 1. Qinghai Lake is a _____________in ________________________. 2. Qinghai Lake is_____________________in China. 3. It is ______________________________in size. 4. If you visit Qinghai Lake, you can _______________________________ _________________________. salt lake Qinghai Province, China the largest lake 4,340 square kilometres photograph wildlife, visit islands and ride a bike or horse I plan to write an advertisement for Qinghai Lake to promote tourism and attract more visitors. Can you help me? 推广旅游 Think and List Form an outline Title An amazing highland/salt lake Part 1 Do you love/like/want to...? If so, / Then visit Qinghai Lake! Part 2 Located in..., it is the...lake in China. And it takes up an area of... / It is located in... , and is the...lake in China, covering...square kilometres... Part 3 If you ... you can .../ you can see... Visit Qinghai Lake, find your perfect view! / Come to Qinghai Lake, leave all your worries behind... Think and Learn Linking words Even though, Although, If, What’s more, Instead, But, Besides, All in all, In addition, However, Furthermore, When, Because, … Useful Expressions adj:amazing, biggest, largest, clear, colourful, white... verb:visit, swim, dive, see... It includes... It is one of the most amazing... If you visit it, you will... Visiting...is the dream of a lifetime! Think and Write 3c Write an advertisement for Qinghai Lake or another natural wonder. Try to make your advertisement as persuasive as possible. ———————————————————————————————————— —————————————————— —————————————————— —————————————————— —————————————————— —————————————————— —————————————————— 写作指导：写作时注意格式时态和人称。 时态：一般现在时、一般将来时 人称：第二人称 体裁：广告 Read and Evaluate Evaluation Checklist Self-evaluation Peer-evaluation Teacher-evaluation Clear structure Complete content Rich language Proper linking words Correct grammar Correct spelling Good handwriting Summary Teacher’s Words Don’t let your ______ control you. Try to calm down. From the Great Barrier Reef to Qinghai Lake, natural wonders are gifts from the Earth to humans. Let’s protect them with our hearts. Basic(必做) 复习本堂课核心语言点（描述性词汇、句型）。 Improving(必做) 背诵3a/3b的核心句子，完成青海湖广告的修改。 Extend(选做) 用英语写一段“我心中的中国自然奇观”，并搭配至少一条环保倡议。 Homework Thank you! $