(
课件网) Unit 7 Unit 7 What’s the highest mountain in the world 1. To be able to catch numbers in listening; 2. To learn to compare facts by giving numbers; 3. To learn to talk about geography and nature. square meter deep desert population Asia feel free adj. 平方；正方形的 n. 正方形；广场 n. (=metre)米；公尺 adj. 深的；纵深的 n. 沙漠 n. 人口；人口数量 n. 亚洲 (可以)随便(做某事) tour tourist wall amazing ancient protect wide as far as I know man-made n. & v. 旅行；旅游 n. 旅行者；观光者 n. 墙 adj. 令人大为惊奇的；令人惊喜(或惊叹)的 adj. 古代的；古老的 v. 保护；防护 adj. 宽的；宽阔的 就我所知 adj. 人造的 What do you know about these numbers 6,671 9,000,000 8,848.86 six thousand, six hundred and seventy-one eight thousand, eight hundred and forty-eight point eight six nine million 1,025 one thousand and twenty-five Qomolangma is 8,848.86 meters high. The Nile is 6,671 kilometers long. The Caspian Sea is 1,025 meters deep. The Sahara is about 9,000,000 square kilometers in size. 1—12: (记住每个单词) 13—19: -teen (thir-, four-, fif-, six-, seven-, eigh-, nine-) 20—90: -ty (twen-, thir-, for-, fif-, six-, seven-, eigh-，nine-) 21—99: 十位 _ 个位 100, 200, ... 900: one, two, … hundred 101—999: one, two, … hundred and __ 个位 十位 __ _ 个位 【小结】 多位数: _____ billion (十亿), _____ million (百万), _____ thousand, _____ hundred and 个位 十位 __ _ 个位 __ What’s the highest mountain in the world Which is the deepest salt lake in the world Which is the longest river in the world What’s the largest/ biggest hot desert in the world Which is the second longest river in the world Geographical Facts Match the facts you know. 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 …8,848.86 meters high … 8,848.86米高 … meters high (long, wide…) ……米高（长，宽……) e.g. The wall is 1.7 meters wide. 【注解】 Mountain River Sea/ Lake Desert Feature Most Least How to use adjectives to describe natural features height highest/ tallest lowest/ shortest length longest shortest depth deepest shallowest area biggest smallest 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 “the+序数词+最高级+单数名词” “第几……最……的……” “比较级+ than any other +单数名词” “比其他任何一个……都……” 意义相当于最高级 形容词最高级结构: the +最高级 A: What is the highest mountain in the world B: Qomolangma. A: How high is it B: It’s 8,848.86 meters high. Use the information in 1b to make conversations. For example: Qomolangma is higher than any other mountain in the world. It’s 8848.86 meters high. Qomolangma What do you know about these places The Sahara is the biggest desert in the world. ... ...
