Unit 7Section A2a — 2dWhat’s the highest mountain in the world? How high is it?Do you know?QomolangmaQomolangma is the highest mountain in the world. It is 8,844.43 meters high.What do you know about the following numbers?1,025 meters deepThe Caspian SeaWhat do you know about the following numbers?6,671 kilometers longThe NileWhat do you know about the following numbers?9,600,000 square kilometers in sizeThe SaharaReviewWords and expressionsRead the words and expressions loudly.populationAsia feel freetourn. 人口；人口数量n. 亚洲(可以)随便(做某事)n.&v. 旅行；旅游touristwallamazingancientprotectwideas far as I knowman-maden. 旅行者；观光者n. 墙adj. 令人大为惊奇的；令人惊喜的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 th |
