Unit 7 Whats the highest mountain in the world? Section A Period Onesquare meter deep desert population Asia feel free tour n. 平方；正方形 n. 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) n. 2. Role play the conversation in front of the class Lets see which group Lets see which group does the best. does the best. 2dGuide: _ ask me anything on todays Great Wall tour. Tourist 1: _ is the wall? Guide: Ah, _ popular question! If we are only _ the parts from the Ming Dynasty, its about 8850 kilom
