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课件网) Unit 7 What’s the highest mountain in the world Section A (1a--2c) 人教版八年级下册 What is your favorite subject Can you guess what my favorite subject is What can we learn in a geography class geography Warming up desert Qomolangma is 8844.43 meters high, the highest mountain in the world. It’s 26 kilometers long. What’s the longest river in the world is the longest river in the world. It’s 6671 kilometers long. It runs through 9 countries. The Nile What’s the biggest desert in the world is the biggest desert in the world. It is located in the northern Africa. The Sahara What’s the deepest lake in the world It is the deepest lake in the world. It lies in the border between Asia and Europe. The Caspian Sea (里海) hundred thousand million billion 总结归纳：先从右往左数，每三位数加一个逗点（即以此把数目分为若干段）。第一个逗点前的数为thousand（千），第二个逗点前的数为million（百万），第三个逗点前的数为billion（十亿）。 解读：从右往左，第一个逗号前读thousand；向左再推三位，第二个逗号前读million；第三个逗号前读billion。 9，987，654，321 nine billion，nine hundred and eighty-seven million, six hundred and fifty-four thousand,three hundred and twenty-one Presentation Look and read 9,600,000 1,025 6,671 8,844.43 1、nine million, six hundred thousand 2、one thousand and twenty five 3、six thousand ,six hundred and seventy-one 4、eight thousand ,eight hundred and forty-four point four three 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 听力原文 “the+序数词+最高级+单数名词” 表示“第几……最……的……” “比较级+ than any other +名词+其他” “比其他任何一个……都……” 注：该结构可与“the+最高级+其他”转换 形容词最高级结构: the +最高级+其他 A: What is the highest mountain in the world B: It’s Qomolangma. A: How high is Qomolangma B: It’s 8,844.43 meters high. 1c Use the information in 1a and 1b to make conversations. A: What is the … in the … B: … A: How deep/ big/ long is… B: It’s … meters/ kilometers …. 2a Listen 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. ___ China is over ___ years old. It has a much longer history than the US. The US is not even ___ years old. ___ China is almost as big as the US, and it is the biggest country in Asia. 4 2 1 3 2b Listen again and fill in the blanks with the numbers in the box. 6,300 5,000 5,464 300 ___ 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. ___ China ... ...
