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课件网) Unit 7 Section A (1a-2c) 人教版八年级下册 Content Learning objectives 01 Lead-in 02 Presentation 03 Listening 04 Summary 05 Homework 06 目录 Learning objectives After learning this lesson, you can: Key words & phrases: square, square kilometer, meter, deep, desert, geographical, population, Asia. Be able to talk about geography and nature. Be able to read large numbers. Lead-in geographical facts 1. What’s the largest country in the world 2. What’s the second largest country in the world 4. What’s the third largest country in the world 3. What’s the smallest country in the world Russia. Canada. Vatican city. China. Presentation more geographical facts Qomolangma the Caspian Sea the Nile the Sahara in Asia a salt lake a desert in Africa Presentation Match the facts you know. 1a Qomolangma about 9,000,000 square kilometers in size The Sahara 1,025 meters deep The Caspian Sea 6,671 kilometers long The Nile 8,848.86 meters high 珠穆朗玛峰 撒哈拉沙漠 里海 尼罗河 Do you know how to read these numbers =in depth =in length =in height Practice 几百： 数字+hundred 300 几千: 数字+thousand 5,000 几百万：数字+million 500,000 几十亿： 数字+billion 5,000,000,000 几百几: 数字+hundred and +十位或个位 612 605 几千几：数字+thousand, 数字+hundred 2,500 2,560 3. 小数点: 数字+point + 数字 6.66 4. 从后面向前数3个数字一个逗号，如6,789,000. 在写成英文单词时，也用逗号隔开 six million, seven hundred and eight nine thousand 5. 英语中没有1万，10万，1亿的单词 1万=ten thousand 10万=one hundred thousand Do you know how to read these numbers hundred 百 thousand 千 million 百万 billion 十亿 Practice Read the numbers. 1a hundred 百 thousand 千 million 百万 billion 十亿 trillion 万亿 9,600,000 1,025 6,671 8,844.43 nine million six hundred thousand one thousand and twenty-five six thousand six hundred and seventy-one eight thousand eight hundred and forty-four point four three Listening 1b 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 任何一座山 any other +名词单数 = the other mountains 其他山 Qomolangma is the highest mountain in the world. Qomolangma is higher than any other mountain in the world. Qomolangma is higher than the other mountains in the world. Practice Fill in the blanks. The Sahara is the biggest desert in the world. The Sahara is bigger than any other desert in the world. The Sahara is bigger than the other deserts in the world. The Caspian Sea is the deepest of all the salt lakes. The Caspian Sea is deeper than any other salt lake in the world. The Caspian Sea is deeper than the other salt lakes in the world. The Nile is the longest river in the world. The Nile is longer than any other river in the world. The Nile is longer than the other rivers in the world. The Nile is the l ... ...
