Unit 7What's the highest mountain in the world?Section A 1 1a—2dPresentationsquare n. 平meter n. 米deep adj. 深的desert n. 沙漠population n. 人口Asia n. 亚洲tour v. n. 旅行tourist n. 旅行者wall n. 墙amanow these interest places? Qomolangma runs along the border between China and Nepal. It is covered with snow all the year round. It’s 8844.43 high, the highest in the world. It’s 26 kilometers long. The Nile is the longest river in the world. It’s more than 6600 kilometers long. It runs through 9 countries, it’s one of the largest river flows through the international states in the world and runs into the Mediterranean Sea(地中海) in the end. The Caspian Sea is the biggest lake in the world. It lies in the border between Asia and Europe. The Sahara is the biggest desert in the world. It is located in the northern Africa, climate conditions are very bad, is one of the earth's most not suitable for biological survival. The Yangtze River is the third longest river in the world, the first Asian rivers. It’s 6211.31 |