Unit 4 The Wonders of Nature (Section A (1a-2d)课件 2025-2026学年人教版八年级英语下册

该初中英语课件围绕“自然奇观”主题，涵盖维多利亚瀑布、珠穆朗玛峰等中外自然景观的名称、特征及测量数据表达，通过“Look and share”图片提问导入，关联中国自然奇观建立认知，Pre-listening匹配地点与图片、解释词汇搭建基础，While-listening结合听力填空与数字读写规则强化输入，Post-listening通过对话练习促进输出，形成连贯学习支架。 其亮点在于融合语言能力、文化意识与思维品质培养，如中外自然奇观对比增强跨文化认知，听力表格填写训练信息分析与推断，数字读写规则系统提升语言准确性。采用任务型教学，小结清晰梳理词汇、表达与句型，助力学生巩固知识，教师可直接使用完整教学流程提升效率。

Unit 4 The Wonders of Nature Section A (1a-2d) 英语人教版八年级下册 Look and share 1. Do you know the name of the waterfall in the photo? The waterfall in the photo is Victoria Falls on the Zambezi River. 2. What do you think is special about it? I think it is special because it is a very wide waterfall. 3. What other natural wonders do you know? There are many amazing natural wonders in China, including the magnificent Mount Huangshan, Zhangye Danxia Landform (Gansu), and Huangguoshu Waterfall (Guizhou), among many others. wonder n. 奇观；惊叹 v. 琢磨；想知道；感到诧异 2 How do these natural wonders make you feel? D E F B A C Match the places with the pictures. 1a ____ playing the flute ____ doing calligraphy ____ painting ____ skiing ____ hiking ____ programming ____ Nile River ____ Angel Falls ____ Mount Qomolangma ____ Dead Sea ____ Sahara Desert ____ Mariana Trench E C A B F D C B A E F desert n. 沙漠；荒原 How high is it? What is special about it? Listen to the game show. Complete the descriptions of the places. Place Description Measurement Mount Qomolangma the ___________ in the world ___________ metres high Sahara Desert the ___________ in the world about ___________ square kilometres in size Dead Sea the ___________ on earth ___________ metres below sea level Mariana Trench the ___________ in the ocean about ___________ metres deep highest biggest lowest place deepest point 5 Listen again. Complete the measurements with the numbers below. 416 8,848.86 11,000 9,000,000 Place Description Measurement Mount Qomolangma the ___________ in the world ___________ metres high Sahara Desert the ___________ in the world about ___________ square kilometres in size Dead Sea the ___________ on earth ___________ metres below sea level Mariana Trench the ___________ in the ocean about ___________ metres deep 8848.86 9,000,000 416 11,000 highest biggest lowest place deepest point measurement n. 数量；测量 square kilometre 平方千米 below prep. & adv. 在（……）下面；低于 level n. 高度；水平；程度 sea level 海平面 三位数及以内的数字直接按数字本身进行读写；三位数以上的数字从右往左，每三位用逗号分隔，形成分级单位，依次为千（thousand）、百万（million）、十亿（billion）等。读百位及以内的数字时，通常会在百位和十位之间加一个and；但在千位和百万位之间、百万位和十亿位之间不需要加and。小数点后无论有多少位数，中间都不插入逗号。小数点读作point，其后各位数字（包括0）需要逐个读出。 英文数字读写的一般规则 Listen again and complete the table. What the host asked about Question / Request The highest mountain What is the highest mountain in the world? The biggest desert The lowest place on earth The deepest point in the ocean Height Size Depth Name the biggest desert in the world. What’s the lowest place on earth? Where’s the deepest point in the ocean? How high is it? How big is it? How deep is it? Talk about the places you have learnt about. 1d A: What’s the lowest place on earth? B: It’s ... A: How low is it? B: Its surface is ... metres below sea level. A: Now, what’s ... • What is ... in the world / on earth? It’s ... • Where / What is ... in the ocean? It’s ... • How high / deep is it? It’s ... high / deep. • How big is it? It’s ... square kilometres (in size). You can use: surface n. 表面；表层 What do you know about the deep sea? Complete the sentences with the information from the picture. 2a OCEAN DEPTHS 1. Fendouzhe reached ______. 2. The deep sea begins at ______. 3. The Titanic rests at ______. 4. A whale can dive to ______. D A C B • What is this picture about? • What does each icon stand for? • What do the numbers on the right mean? depth n. 深（度）；纵深 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 √ √ √ dive v. & n. 潜水；跳水；俯冲 submersible n. 潜水艇 Listen again and complete the table. Name Question Answer Emma Why are people researching the deep sea? ___________ is one reason. Fu Xing What are deep-sea animals like? Many are ___________ and ___________. Some are blind. Some even create their own light! Peter Are there any other surprising facts about the deep sea? There’s ___________ even at 11,000 metres deep. 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. ocean floor / deep sea 2020 blind light 11,000 unusual adj. 特别的；不寻常的 Listen again and decide whether the statements are True (T) or False (F). • Mr Jones said curiosity is the only reason for researching the deep sea. ( ) • Fu Xing didn’t see any deep-sea animals when Fendouzhe filmed the Mariana Trench. ( ) • Mr Jones thought deep-sea rubbish is not a big problem. ( ) • Ms Gao said people should do something about deep-sea rubbish. ( ) F T T F Read the questions and think of more you would like to ask the deep-sea researcher. Research the answers. Then ask and answer the questions with a partner. 2d • What is the largest shark in the deep sea? • What is the bottom of the deep sea like? • Why is it important to research the deep sea? bottom n. 底部；最下部 You can ask: • What is the largest animal living in the deep sea? • What is the coldest temperature in the deep sea? • What is the most amazing thing you have seen in videos about deep-sea exploration? • What do you think is the hardest problem in exploring the deep ocean? 16 New words wonder; measurement; below; level; surface ... Sentences —What’s the lowest place on earth? —It’s ... —How high / deep is it? —It’s ... high / deep. New expressions square kilometre; sea level Write a short passage (60—80 words) about one natural wonder. You can include: • its name and feature • one amazing fact • your feeling about it Blues 87328.055 Blues 70059.43 $