Unit 4 课时2 Section A 2a-3d（教学课件）英语新教材鲁教版八年级上册

Unit 4 The Wonders of Nature Section A 2a-3d 课型：听说课 主讲人：XXX 通过听、说、读等方式，获取并正确认读关于深海探索、河流特征等主题词汇（如depth, vessel, unusual,bottom, civilization 等），感知自然奇观相关词汇用法。（学习理解） 01 通过听力捕捉、对话分析，获取文本中关于深海深度划分、河流长度与重要性的关键信息，归纳并内化询问与介绍自然奇观的常用表达（如Where does the deep sea begin?, It travels the farthest and is... kilometres long.）。（应用实践） 02 通过讨论和角色扮演，理解自然奇观的价值与保护意义，能够主动分享对自然奇观的探究问题，并认同保护自然的理念。 （迁移创新） 03 学习目标 01 Lead in Can you say some words related to water? Lead in sea river lake waterfall snow and ice 今天我们将进行地球“水圈探索”，作为“地球水研究者国际研讨会”的研究员，我们将在探索中肩负使命，学到更多水的奥秘，尽我们所能保护人类共同的家园。 02 Pre-listening 1a What do you know about the deep sea? Let’s follow Fenfouzheto explore. 1a Try to label the depths in the picture with the information on the left. A. Depth Fendouzhe reached B. Depth at which the deep sea begins C. Depth at which the Titanic rests D. Deepest dive of a whale A /depθ/ n. 深（度） /daɪv/ v. & n. 潜水 泰坦尼克号 B D C 03 While-listening Listen and tick the topics they discuss. 2b where the deep sea begins why people are researching the deep sea which Chinese vessel dived deeper in the water than many others what deep-sea animals are like how everyone should protect the deep sea /rɪˈsɜːtʃ/ v. & n. 研究 /ˈvesl/ n. 大船；轮船 Listen again. Complete the sentences with the facts from the conversation. . 2c 1. People still don’t know much about the ___________. 2. In ______, China’s Fendouzhe dived into the deep sea and filmed it. 3. Many deep-sea animals are ______ and ________. 4. Some animals have unusual abilities. Some are ______ but can “see”. Some can even create their own_________. 5. There is rubbish even at ______ metres deep. ocean floor 2020 large unusual blind light 11,000 /ʌnˈjuːʒuəl/ adj. 不寻常的 04 Post-listening 2d Read the questions and think of more you would like to ask the deep-sea researcher. Research the answers. Then ask and answer with a partner. For example: What is the largest shark in the deep sea? What is the bottom of the deep sea like? What other vessels dived to the bottom of the ocean? Why is the deep sea important to us? /ˈbɒtəm/ n. 底部 Read the conversation and underline the three rivers mentioned. 3a waterfall /ˈwɔːtəfɔːl/ n. 瀑布 civilization /ˌsɪvəlaɪˈzeɪʃn/n. 文明 means /miːnz/ n. 方式 Which is the longest river in China? Why are rivers important? at all costs 无论如何； 不惜一切代价 Read the conversation again and complete the table. 3b River Country Length Importance Yellow River ________km helped in the development of ancient ___________ Nile River ________km China Egypt 5,464 6,671 civilizations /dɪˈveləpmənt/ n. 发展 Listen to the conversation. Then role-play it. 3c Imagine that you are Yaming or Ella. Continue the conversation with a partner about other geographical features in China. 3d For example: Ella: Could you tell me more about China, Yaming? Yaming: Sure! What would you like to know? Ella: What’s the biggest desert in China? Yaming: It’s the Taklimakan Desert. /ˈdezət/ n. 沙漠 The largest waterfalls Huangguoshu Waterfall (黄果树瀑布) The largest saltwater lake Qinghai Lake (青海湖) The largest desert Taklamakan Desert (塔克拉玛干沙漠) Let’s protect water resources. Evaluation(评价) Complete content (内容完整) Correct language (语言准确) Clear voice (自信表达) Group discuss: Why are both rivers and the deep sea important? What can we do to protect them? Write 2-3 pieces of slogans: For examples: Don’t throw rubbish into rivers or the sea. Learn about water ecosystems and tell others. Support scientific research about water. Group work Rivers are the past and present of human civilization. The deep sea may be the future. To protect water is to protect life itself. 05 Summary Sum up what you have learned. Natural wonders Deep Sea Depth at which the deep sea begins Deepest dive of a whale Depth at which the Titanic rests Depth Fendouzhe reached the Yellow River the Yangtze River the Nile Great rivers Summary 200 5,464 2,000 3,800 10,909 6,300 6,671 longest 06 Language Points 词 讲 练 depth n.深度；纵深 常用搭配: in depth 在深度上 ---- deep adj. 深的 ---- deeply adv. 深深地 (抽象程度) 1.The _________（depth/deep）of the well is 10 meters. 2.This river is 20 meters in _________（deep/depth）. 3. She is __________（deep/deeply）interested in painting. 4. The well is 30 meters ________（deep/deeply）. 5. 翻译：他深深地爱着自己的祖国。 Language points 例：The hole is six meters in depth. 这个洞的深度是六米。 The river is ten meters deep. 这条河有10米深。 He was deeply moved by the story. 听了这个故事他深受感动。 depth He loves his motherland deeply. depth deeply deep Language points 词 讲 练 unusual adj. 特别的；不寻常的 反义词：usual adj.平常的 unusually adv. 不寻常地 usually adv. 通常 常用句型：It’s unusual to do sth. 去做......是不寻常的。 例句：It’s unusual to see snow in this city in October. 十月在这座城市看到雪是很不寻常的。 She has an unusual hobby—collecting old stamps. 她有个特别的爱好——收集旧邮票。 1. It’s _________（usual/unusual）for him to be late for school. 2. Her _________（usual/unusual）idea surprised everyone. 3. 翻译：在这个小镇看到明星是很不寻常的。 unusual unusual It’s unusual to see a star in this small town. Language points 词 讲 练 development n. 发展；壮大 develop v. 发展 形容词：developing（发展中的） developed（发达的） 用法：作名词，常用搭配 the development of sth.（……的发展）， 如economic development（经济发展）。 例句：The development of technology has changed our life a lot. （科技的发展极大地改变了我们的生活。） 1. The __________（develop）of AI is very fast now. 2. China is a ___________（developing/developed）country. 3. 翻译：教育的发展对国家至关重要。 development developing The development of education is crucial for a country. 07 Exercise Exercise 1. The scientists will ______ (潜水) into the deep sea to study the unusual creatures. 2. We still don't know the exact ______ (深度) of some parts of the ocean. 3. The Yellow River is very important to Chinese ___________ (文明). 4. The Taklimakan is the largest ______ (沙漠) in China. 5. The ________ (deep) part of the ocean is about 11,000 metres. 6. The ____________ (develop) of ancient Egypt depended on the Nile River. 7. Some deep-sea animals look _________ (usual) and even scary. 8. We should protect our “mother river” by all ______ (mean). 9. The ________(deep) of the swimming pool for kids is 1.2 metres. 10. The _______ (bottom) of the sea is dark and quiet. 11. Of all the students in our class, Lucy lives the _______(far)from school. dive depth civilization deepest desert development unusual means depth bottom farthest Exercise 1. The Yellow River is about 5,464 kilometres long. How do you read the number? A. five thousand four hundred and sixty-four B. five thousand and four hundred sixty-four C. five thousand four hundred sixty-four 2. 这栋公寓楼大约200米高。This apartment building is about 200 ____ ____. 3. 鄱阳湖是中国第二大湖。The Poyang Lake is ___ ____ ____ lake in China. 4. 世界上最大的沙漠是撒哈拉沙漠。 The _______ ______ in the world is the Sahara Desert. 5.我们必须不惜一切代价保护环境。 We must protect the environment ____ ____ ______. A meters high. the second biggest biggest desert at all costs 08 Homework Homework 基础作业 拓展作业 实践作业 熟读3a的对话内容，背诵其中描述黄河、长江、尼罗河长度和重要性的句子，并用英语默写下来。 根据2a-2d的深海相关内容，结合自己的查阅，用英语写5个关于深海的趣味小知识。 和家人合作，选择中国一处海洋或者河流景观，用英语制作一份简易介绍卡片，包含名称、位置、一个特色特点这三项信息。 Thank you for listening $