英语人教版八年级下册Unit7 Period1 SectionA 1a-2c.doc

Unit 7 Whats the highest mountain in the world?Section A1a-2c教案【学习目标】1.重点单词词组：square, meter, desert, deep, tourist, population,2 meters tall/long/wide, feel free句型: Whats the highest mountain in the world? Qomolangma. How long is? Its meters high. Its higher than any other mountain. Did you know that China is one of the oldest countries in the world? Yes, I did.2. 能力目标：能表达较大的数字，能用比较级和最高级谈论世界之最并听懂和谈论有关地理和自然的话题。3. 情感目标：培养学生热爱大自然，保护环境的意识。【学习重难点】较大数字的读法，用形容词和副词的比较等级来谈论世界之最。【学习过程】Step 1 Preparation Enjoy some beautiful pictures of the nature.Step 2 Presentation1. T: How beautiful! Do you know these interesting places? (Qomolangma, the Nile, the Sahara, the Caspian Sea) (1) Look at the picture of Qomolangma, teach: How high is it ? It is 8,844.43 meters high. Its the highest mountain in the world. Its in Asia. (2) Look at the picture of the Sahara, teach: How big is it ? Its 9,600,000 square kilometers in size. Its the _ (big) desert in the world Its bigger than any other desert in the world. Its in Africa，too. (3) Look at the picture of the Nile, teach: How long is it ? Its 6,671 kilometers long. The Nile is the _river in the world. Its longer than any other river in the world. Its in Africa. （Ask some students to try to ask and answer, especially say out the number.）(4) Look at the picture of the Caspian Sea, teach: How deep is it? Its 1025 meters deep. The Caspian Sea is the _ salt lake in the world. It s the deepest of all the salt lakes. Its between Asia and Europe. （Do as above.)2. Can you read the numbers? 6,300 six thousand three hundred 5,464 five thousand four hundred and sixty-four210.6 two hundred and ten point six 9,600,000 nine million six hundred thousand Step3 Listen and practice1. 1b, listen and complete the sentences.2. 1c, Pairwork: A: Whats the highest mountain in the world? B: Qomolangma. A: How high is it? B: .3.Have a try: What is it? (1)Whats the longest wall in the world? (The Great Wall. 21196.18 km) (2)Which is the longest river in Asia? (The Yangtze River. 6300m ) (3)What is the largest plain (平原) in the world ? (The Amazon Plain. 5,600,000 km2 ) (4)What is the biggest ocean(海洋) of all ? (The Pacific Ocean. 155,600,000 km2 )4. T: The nature is so wonderful and China is fantastic, too. China has a long history. Look at the map of China, find the two longest rivers of China: the Yangtze River and the Yellow River. Then know something about our country. Teach: Whats the population of China? The population of China is almost 1,400,000,000. China has the _ population in the world. A. biggest B. most5. T: We know China is almost as big as the USA. Are they the same or different in some ways? Listen and number the facts. (2a)6. Then listen again and tell T or F. ( ) 1.The USA is one of the youngest countries in the world. ( ) 2.China has a lot bigger population than the USA. ( ) 3.China is the biggest country in the world. ( ) 4.Yellow River is 6,300 kilometers long.7. Pairwork: Make conversations using the information in 2a. A: Did you know that China is one of the oldest countries in the world? B: Yes, I did. Its much older than my country.A:Chinathe USAhistory5000 years300 years populationthe biggest a lot biggerthe sizeas big as the same size as river6300/5464, longerStep4 Production Groupwork: Anj is one of the most famous bamboo homes in China. Every year there are many tourists coming to Anji. Now you, a tour guide , are showing a group of American tourists around the Bamboo Garden. eg: Guide: Welcome to Anji Bamboo Garden. Feel free to ask me anything about the garden.Tourist1: How big is it?Guide: Its Attention: Let students prepare some information(squa