Unit 7 What’s the highest mountain in the world? 全单元课件（31，25，33，17，26，24张PPT及大量音视频）

课件31张PPT。Section A 1a-2dUnit 7 What's the highest mountain in the world? Language GoalLanguage Goal: Talk about geography and natureDo you know these numbers? How to read them?8,844.43 meters high 1,025 meters deep6,600,000 square kilometers in size6,211.31 kilometers long3,219 kilometers wide 220 hundred 百thousand 千million 百万billion 十亿100,076,600,8,844.43 1,025 6,600,000 6,211.31 3,219 meters high meters deepsquare kilometers in sizekilometers longkilometers wide 基数词 + 单位词 + 形容词平方千米/公里长的 宽的 高的深的 面积/体积大小的 物体长，宽，高的表达法 基数词>1,单位名词用复数 物体长，宽，高的表达法 基数词 + 单位词 + in + 名词 基数词 + 单位词 + 形容词long, wide, high, deeplength, width, height, depthDo 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? … …Qomolangma Qomolangma runs along the border between China and Nepal. It is covered with snow all the year round. It’s 8844.43 meters high, the highest in the world. Which is the highest mountain in the world?the Sahara The Sahara is the biggest desert in the world. It is located in the northern Africa. Its climate conditions are very bad and is one of the earth's most unsuitable for biological survival. Which is the biggest desert in the world?the Nile The Nile is the longest river in the world. It’s more than 6,671 kilometers long. It runs through 9 countries. It runs into the Mediterranean Sea (地中海) in the end. Which is the longest river in the world?the Caspian Sea The Caspian Sea (里海) is the biggest inland?lake in the world. It lies in the border between Asia and Europe.Which is the biggest inland lake in the world?1a Match the facts you know.1bListen 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.higherthe biggestthe deepestthe longest回忆最高级Use the information in 1b to make conversations.1c A: What is the highest mountain in the world? B: Qomolangma. A: What is the … in the …? B: … What is the longest river in the world?The Nile.What is the biggest desert in the world?The Sahara.What is the longest river in Asia?What do you know the top in Asian?the Yangtze River The Yangtze River is the third longest river in the world, and the first Asian river. It’s 6211.31 kilometers long. The Yangtze River runs through 11 provinces. It runs into the East Sea in Shanghai finally.Which is the longest river in Asian?China has the biggest population in the world.China is the biggest country in Asia.2aListen and number the facts [1-4] in the order you hear them._____ 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.6,300 5,000 5,464 30042_____ China is over _____ years ... ...