Unit4 Section A 2a-2d课件2025-2026学年人教版英语八年级下册

Section A What is amazing about nature? 2a-2d Unit 4 The Wonders of Nature 本课结束时，学生能： 1.依托图文和听力，梳理深海探索的事实要点； 2.明确深海话题的问答角度，形成清晰表达思路； 3.提炼并灵活运用深海探索的核心句型与表达； 4.介绍我国深海探索成就，增强民族自豪感，提出深海保护具体建议。 学习目标 What do you know about the deep sea? Lead-in What do you know about the deep sea? Let’s follow Fenfouzhe to explore. A. Fendouzhe reached ______________. B. The deep sea begins at ______________. C. The Titanic rests at ____________. D. A whale can dive to _________________. Complete the sentences with the information from the picture. 潜水 10,909 metres 200 metres 3,800 metres over 2,000 metres A B D C 2a 奋斗者号到达 深海起始于 泰坦尼克号沉没于 鲸鱼可以下潜至 11,000 About________metres deep The deepest point in the ocean. Mariana Trench 马里亚纳海沟 A class is asking a deep-sea researcher some questions after his talk. Listen and tick the topics they discuss. □Where the deep sea begins □Why people are researching the deep sea □Which Chinese submersible dived deeper in the water than many others □What deep-sea animals are like □How everyone should protect the deep sea /səbˈmɜːsəbl/潜水艇 2b 一位深海研究员做完讲座后，一个班级的学生正在向他提问。听录音并勾选出他们讨论的话题。 深海的起点在哪里 人们为什么要研究深海 哪艘中国潜水艇的下潜深度超过了许多其他潜水艇 深海动物是什么样子的 每个人应该如何保护深海 Ms Gao: Thank you for the wonderful talk, Mr Jones. Now, does anyone have any questions? Emma: I do! Why are so many countries researching the deep sea? Mr Jones: Well, curiosity is one reason. We don't know much about the ocean floor. Fu Xing: I remember that in 2020, China's Fendouzhe dived deeper into the Mariana Trench than many other submersibles in the world and filmed it. But I didn't see any deep-sea animals. What are they like? 高女士：谢谢您的精彩讲座，Jones先生。现在大家有什么问题吗？ 艾玛：我有问题！为什么这么多国家要研究深海？ 琼斯先生：嗯，好奇心是原因之一。我们对海底的了解还远远不够。 付兴：我记得2020年，中国的"奋斗者号"潜入马里亚纳海沟的深度 超过了世界上许多其他潜水器，还拍摄了影像。 但我没看到深海动物。它们是什么样子的？ Mr Jones: Well, many deep-sea animals are large and unusual. Some animals are blind, but they can "see" as well as others. Some even create their own light! Peter: Cool! Are there any other surprising facts about the deep sea? Mr Jones: Did you know that there's rubbish even at 11,000 metres deep? That shocked many people. Ms Gao: That's terrible! We should do something about it. Mr Jones: You're right! 琼斯先生：很多深海动物体型庞大且形态奇特。 但"看"东西的能力不亚于其他生物。有些甚至能自己发光！ 有些动物虽然失明， 彼得：太酷了！关于深海还有什么令人惊讶的事实吗？ 琼斯先生：你们知道吗？即使在11000米深的海底也有垃圾， 这震惊了很多人。 高女士：这太糟糕了！我们应该为此做些什么。 琼斯先生：说得对！ Listen again. Complete the sentences with the facts from the conversation. 1. People still don’t know much about the                         . 2. In                , China’s Fendouzhe dived into the deep sea and filmed it. 3. Some animals have unusual abilities. Some are                  but can “see”. Some can even create their own                     . 4. There is rubbish even at               metres deep. 2020 ocean floor blind  light 11,000 /ʌnˈjuːʒuəl/ adj. 不寻常的 2c 再听一遍。用对话中的事实完成句子。 潜入深海 1.Besides curiosity,why are people researching the deep sea? Nature Explorers Nature Wonders Deep Sea Wonders Archive Activity 10 : Think further. treasures of all kinds of biological，engergy and mineral resources The deep sea records Earth’s history and is an important window for understanding the planet and exploring the future. The special deep-sea creatures and their genes help humans unlock the secrets of life. 2.What is the bottom of the deep sea like ? Nature Explorers Nature Wonders Deep Sea Wonders Archive Activity 10 : Think further. 564 kinds of microbes and 89% of them are new to humans whale fall--provide the food for deep sea animals deep sea pollution What is the largest shark in the deep sea? ...... What else do you want to know about the deep sea? You can ask the researcher to find out the answers and talk with your partners. Nature Explorers Nature Wonders Deep Sea Wonders Archive Activity 10 : Think further. Vocabulary & 3a-3c The largest shark in the deep sea is usually the Greenland shark. It can grow up to 7 meters long and lives in deep, cold waters. What is the largest shark in the deep sea? the Greenland shark 格陵兰睡鲨 Why is it important to research the deep sea? First, it helps us understand Earth’s history because many deep-sea rocks and sediments hold clues about past climates. 首先，研究深海能帮我们了解地球的历史，因为许多深海岩石和沉积物中，都藏着能揭示过去气候的线索。 Second, deep-sea creatures have special abilities. For example, they can make light by themselves, and they have special enzymes that work under high pressure. These can help medicine and technology. 深海生物有特殊的适应能力，比如会生物发光，还有能在高压环境下工作的酶，这些都能帮到医药和科技领域。 Most importantly, the deep sea helps control the global climate by taking in carbon dioxide. 最重要的是，深海能吸收二氧化碳，在调节全球气候方面发挥着关键作用。 How should everyone protect the deep sea? The deep sea is home to countless amazing creatures. 85081.305 Lavf59.27.100 Packed by Bilibili XCoder v2.0.2 80927.43 Lavf60.16.100 Lavf60.16.100 $