Unit 7 Section A 1a-2d（教学课件）-【七彩作业】2023-2024学年八年级英语下册同步教学（人教版，河北专版）

人教版 八年级下册 英语 2024 Unit 7 What’s the highest mountain in the world? Section A 1a-2d 1. To learn to compare facts; 2. To learn to express large numbers; 3. To learn to talk about geography and nature; 4. To learn new words: square, meter, deep, desert, population, Asia, tour, tourist, wall, ancient, protect, wide… Objectives Do you know this? Which is the highest mountain in the world? Which is the longest river in the world? Which is the biggest desert in the world? … … Lead in Which is the highest mountain in the world? How high is it? Qomolangma is covered with snow all the year round. It’s 8844.43 meters high, the highest in the world. Qomolangma Which is the biggest desert in the world? How big is it? the Sahara The Sahara is the biggest desert in the world. It is located in the northern Africa. Which is the longest river in the world? How deep is it? the Nile The Nile is the longest river in the world. It’s more than 6,671 kilometers long. It runs through 9 countries. Match the facts you know. Qomolangma about 9,600,000 square kilometers in size The Sahara 1,025 meters deep The Caspian Sea 6,671 kilometers long The Nile 8,844.43 meters high 1a Pre-listening Listen and complete the sentences. 1. Qomolangma is _________ than any other mountain in the world. 2. The Sahara is ____________ desert in the world. 3. The Caspian Sea is _____________ of all the salt lakes. 4. The Nile is _____________ river in the world. higher the biggest the deepest the longest 1b While-listening Use the information in 1b to make conversations. A: What is the highest mountain in the world? B: Qomolangma. A: What is the … in the …? B: … 1c Listen and number the facts [1-4] in the order you hear them. 6,300 5,000 5,464 300 ____ The Yangtze River is about ____ kilometers long and the Yellow River is ____ kilometers long. _____ China has the biggest population in the world. It’s a lot bigger than the population of