Unit7Whatsthehighestmountainintheworld.ppt

Unit 7What’s the highest mountain in the world?How long is the Yellow River?It's 5,464 kilometers long.How wide is the Great Wall?It's 4.5 meters wide.How high is Mount Huang?It's 1,864 meters high. How deep is Qinghai Lake?It's 21 meters deep.How big is Qinghai Lake?It's 4,583 square kilometers in size.How to ask and answeraskanswer长长宽宽高高深深面面积积How long...？？基数词基数词+数量单位数量单位+longHow wide...?基数词基数词+数量单位数量单位+wideHow high/tall...?基数词基数词+数量单位数量单位+high/tallHow deep...?基数词基数词+数量单数量单+deepHow big...?基数词基数词+数量单位数量单位+in sizeHow to read the numbers•123 456 789,, thousandmillionone hundred and twenty-three million four hundred and fifty-six thousand seven hundred and eighty-nine9,600,000nine million six hundred thousand18, 506, 001eighteen million five hundred and six thousand and onePractice•1,203,478•3,056,000•4,802,060one million two hundred and three thousand four hundred and seventy-eightthree million fifty-six thousand four million eight hundred and two thousand and sixtyPractice•seven million five hundred and seventy-nine thousand one hundred and fifteen•two million six hundred and five thousand eight hundred and seven•eight million three thousand and nine7,579,1152,605,8078,003,009A: How long/wide/high/deep/big…?B: It's …long/wide/high/deep/in size.1cPairwork make conversations. For example,Yunmeng Mountain high:577 meterslong:161 kilometerssize: 2182 square kilometerstall: 300 meterstall: 226 centimetersWhat's the highest mountain in the world?QomolangmaWhat's the longest river in the world?the Nilewhat's the deepest salt lake in the world?the Caspian SeaWhat's the biggest desert in the world?the SaharaMatch the facts you know.1aQomolangmaThe SaharaThe Caspian SeaThe Nileabout 9,600,000 square kilometers in size1,025 meters deep6,671 kilometers long8,844.43 meters high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.1bhigherthe biggestthe deepestthe longest 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.2a1432__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.Listen again and fill in the blanks in 2a with the numbers in the box. 2b6,3005,4645,0003006,300 5,000 5,464 3001432Life is to go the distanceEnjoy travelling, enjoy life。