Unit 7 Section A 1a-3c课件 2023-2024学年人教版八年级英语下册

Unit 7 What’s the highest mountain in the world? Section A (1a-3c) about 9,600,000 square kilometers in size 1,025 meters deep 6,671 kilometers long 8,844.43 meters high Qomolangma The Sahara The Caspian sea The Nile 1a Match the facts you know. 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. 1b Listen and complete the sentences. higher the biggest the deepest the longest 形容词最高级前必须加定冠词the,但如果最高级前有物主代词、指示代词、名词所有格修饰时,则不用定冠词。 形容词最高级前可用序数词限定,共同修饰后面的名词,其结构为“the +序数词+形容词最高级+名词”。 My oldest daughter is 16 years old. Hainan is the second largest island in China. 形容词最高级的用法 4 形容词最高级的用法 表示“最......之一” 用“one of +最高级+名词复数”。表示“第几个最......”时,用“the first (second)+最高级+名词单数”。 Beijing is one of the biggest cities in the world. 形容词最高级的意义还可以用比较级形式表达。 This is more difficult than any other book here. 5 1c A: What is the highest mountain in the world? B: Qomolangma. Use the information in 1b to make conversations. A: What is the biggest desert in the world? B: The Sahara. A: What is the deepest of all the salt lakes? B: The Caspian Sea. A: What is the longest river in the world? B: The Nile. _ 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 the US. _ China is over _ years old. It has a much longer history than the US. The US is not even _ years old. _ China is almost as big as the US, but t is the biggest country in Asia. 2a Listen and number the facts [1-4] in the order you hear them. 1 2 3 4 _ 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 the US. _ China is over _ years old. It has a much longer history than the US. The US is not even _ years old. _ China is almost as big as the US, but t is the bigges