Unit 7 Section A 课件 2023-2024学年人教版八年级英语下册

初中英语人教版八年级下册 Unit 7 What's the highest mountain in the world? Section A (1a-1c) 学习目标 Key words & phrases: square; square kilometer; meter; deep; desert; any other; geographical. Key sentences: 1. It's higher than any other mountain in the world. 2. Which is the deepest salt lake in the world? 3. It seems that you know the answers to all my questions. To talk about geography and nature. Look and say Can you read these large numbers? warming up hundred 百 thousand 千 million 百万 billion 十亿 trillion 万亿 9,600,000 1,025 6,671 8,844.43 nine million six hundred thousand one thousand and twenty-five six thousand six hundred and seventy-one eight thousand eight hundred and forty-four point four three What are these descriptions for? 9,600,000 1,025 6,671 8,844.43 square kilometers in size meters deep kilometers long meters high 平方千米 meter n. 米; 公尺 adj. 深的；纵深的 （面积、体积等）大小 land sea river mountain Do you know these famous places in the world? Qomolangma the Nile the Caspian Sea the Sahara ['tʃəʊməʊˌlɑ:ŋmə] [sə'hɑ:rə] ['kæspiən] [naɪl] 珠穆朗玛峰是世界海拔最高的山峰，高度为8844.43米。 Qomolangma the Nile 尼罗河长6671千米，是世界上最长的河流。 the Caspian Sea 里海虽称海，但却是一个巨大的内陆咸水湖，是世界上最大的湖泊。 the Sahara 撒哈拉沙漠形成于约250万年前，是世界上最大的沙质荒漠。 Can you say anything else about these famous places? Free talk People can float on the Caspian Sea even though they can't swim. Pre-listening Match the facts you know. 1a 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 Mountain River Sea/Lake Desert Feature Most Least height Fill in the table. highest/tallest lowest/shortest length longest shortest depth deepest shallowest area biggest smallest Listen and complete the sentences. 1b Qomolangma is _____________ than any other mountain in the world. The Sahara is _____________ desert in the world. The Caspian Sea is _______________ of all the salt lakes. The Nile is _________________ river in the world. h