(
课件网) Unit 7 What’s the highest mountain in the world Section A 1a-2d learn more geographical facts 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 1a. Match the facts you know. 平方千米 面积 面积大约900万平方千米 1025米深 6671千米长 8848.86米高 大约 Language points How to write and read large numbers The Caspian Sea is 1,025 meters deep. The Nile is 6,671 kilometers long. Qomolangma is 8,848.86 meters high. The Sahara is about 9,000,000 square kilometers in size. one thousand and twenty-five six thousand and seventy-one six hundred eight thousand and forty-eight eight hundred point eight six nine million Language points 2,506,981,065.34 Step2: 从右到左，小数点读 “point”，第一个 “,” 读thousand(千), 第二个 “,” 读million(百万)，第三个 “,” 读billion(十亿)。 Step1: 从小数点开始从右到左，每3个数加一个“,”。 Step3：每隔三位分段以后就都成了101 - 999。读的时候按百位数读。从左到右读数，百位和十位之间加and，若十位为0，and不省略，如：208。若百位为0，thousand和十 位之间加and，如：5,018 小数点后面的数只读数字，不读数位。 billion point thousand million and and and two billion five hundred and six million nine hundred and eighty-one thousand and sixty-five point three four How to write and read large numbers 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 平方千米 面积 面积大约900万平方千米 1025米深 6671千米长 8848.86米高 大约 Language points Language points 长、宽、高、深等的表达法 How high is it = What’s the height of it It’s 8,848.86 meters high. It’s 8,848.86 meters in height. How long is it = What’s the length of it It’s 6,671 kilometers long. It’s 6,671 kilometers in lengh. How deep is it = What’s the depth of it？ It’s 1,025 meters deep. It’s 1,025 meters in depth. How big is it = What’s the size of it It’s about 9,000,000 square kilometers in size. 问: How long/wide/high/deep/big + be + 主语 答： 长 宽 高 大小 深 基数词 + 单位词 + 形容词(long, wide, high, deep) 基数词 + 单位词 + in + 名词(length, width, height, depth, size) Language points 长、宽、高、深等的表达法 主语 + be + 【拓展延伸】复合形容词作定语: “数词-单位词单数-形容词” 20-meter-long 20 米长的 What’s the length/width/height/depth/size+ of + 主语 --那条河有多长？ --大约1,320千米。 --这个湖有多大？ --5,980平方千米。 How long is the river What’s the length of the river It is about 1320 kilometers long. It is about 1320 kilometers in length. How big is the lake What is the size of the lake It is 5,980 square kilometers in size. 1b. Listen and complete the sentences. Qomolangma is _____ than any other mountain in the world. The Sahara is _____ desert in the world. The Caspian Sea is _____ of all the salt lakes. The Nile is _____ river in the world. higher the biggest the deepest the longest 当我们想表达 “主语是... ... ...
