Unit 7 Section A (1a-2d) 课件2022-2023学年人教版八年级英语下册

Section A 1a-2d Unit 7 What’s the highest mountain in the world? Do you like geography? How much do you know about the world’s greatest (世界之最)? Lead in What great places can you see in the video? Free talk How much do you know about China? It's one of the oldest countries in the world. It has a long history. It's been around for over 5,000 years. How long has it been there? What size is it? It's about 9,600,000 square kilometers in size. It's the biggest country in Asia. It's the third biggest country in the world. Asia n. 亚洲 desert the Sahara Sea the Caspin Do you know these places? Where are they? What do you know abut the numbers? The Yangtze River 1,025 meters deep 9,600,000 square kilometers in size 6211.31 kilometers long Match the facts you know. Pre-listening 1a Qomolangma the Nile the Caspian Sea the Sahara about 9,600,000 square kilometers in size 1,025 meters deep 6,671 kilometers long 8,848.86 meters high =in depth =in length =in height 长、宽、高、深、面积的表达结构： 数字 + 单位词 + adj.（deep,long, high...） = 数字 + 单位词 + in + n.（depth,length, height,size...） 【拓展延伸】 作定语时用合成词“数词 - 单位词单数 – 形容词”。 This 20-meter-long rope isn’t long enough to help climb the mountain. Listen and complete the sentences. listen ! 1b 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 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 any other 其他任何一个 1b Teacher: Yesterday, we learned some important geographical