Unit 7 What’s the highest mountain in the world?1 Warm-upLet’s enjoy some pictures!It is the longest river in China, do you know the name of it?Yangtze RiverLet’s enjoy a beautiful song together, and try to answer the following questions:1.Is the song beautiful?2. Is there a mountain in the song? 3.How high is it? 2 PresentationIt is the highest mountain in the world, do you know the name of it? How high is it?Qomolangma (8848.43 meters high)It is the biggest dessert in the world, do you know the name of it? How big is it?About 9,600,000 square kilometers in size.The SaharaIt is the longest river in the world, do you know the name of it? Do you know how long it is?The Nile6671 kilometers longIt is the deepest salt lake in the world, do you know the name of it? Do you know how deep it is?The Caspian Sea 1,025 meters deep3 listeningCan you read the four numbers?1,0256,6719,600,0008,844.43one thousand and twenty-fivesix thousand, six hundred and seventy-oneeight thousand, eight hundred and forty-four point four threenine million, six hundred thousandMatch the facts you know.1aQomolangmaThe SaharaThe Caspian SeaThe Nileabout 9,600,000 square kilometers in size1,025 meters deep6,671 kilometers long8,844.43 meters highListen 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.1bhigherthe biggestthe deepestthe longest 5. Amazon is ___________ river in the world.the biggestA: What is the highest mountain in the world?B: Qomolangma.1c Pair workUse the information in 1b to make conversations.For example:A: What is the biggest...