2. square n. 平方 meter n. 米

3. deep adj. 深的 desert n. 沙漠 population n. 人口 Asia n. 亚洲

4. tour v. n. 旅行 tourist n. 旅行者 wall n. 墙 amazing adj. 令人大为惊奇的

5. ancient adj. 古代的 wide adj. 宽的；宽阔和

6. Do you know these interest places? Qomolangma 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.

7. 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 Nile

8. The Caspian Sea The Caspian Sea is the biggest lake in the world. It lies in the border between Asia and Europe.

9. 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 Sahara

10. The Yangtze River is the third longest river in the world, the first Asian rivers. It’s 6211.31 kilometers long. The Yangtze River Basin, east- west width of 3219 kilometers, about 966 kilometers wide north-south, passing through 11 provinces. It runs into the East Sea in Shanghai finally. The Yangtze River

11. Which is the highest mountain in the world? Which is the longest river in Asia?...

12. 1a Match the facts you know. Qomolangmaabout 9,600,000 square kilometers in size The Sahara1,025 meters deep The Caspian Sea 6,671 kilometers long The Nile8,844.43 meters high

13. Practice in pairs like this: A: Which is the … in the …? B: …

14. A: How high is Qomolangma? B: It’s 8,844 meters high. The biggest desert in the world is about 8,000,000 square kilometers in size. How big is the Sahara? It’s about 8,000,000 square kilometers in size.

15. 2c Make conversations using the information in 2a. A: Did you know that China is one of the oldest countries in the world? B: Yes, I did. it’s much older than my country.

16. A: Did you know that Yangtze River is the longest river in China? B: Yes, I did. It’s 6,300 meters long. B: Wow! That’s long!

17. 2d Read the conversation and answer the questions: 1. Which is the biggest man-made objects in the world ？ 2. Which is the most famous part of the Ming Great Wall? The Great Wall. Badaling part of the wall.

18. 中国的长城共有近一万公里，东起河北秦皇岛 的山海关，西到嘉峪关，这是明代修筑长城的两个 最大关口，北京境内的长城有 600 余公里，比较著 名的有八达岭长城、金山岭长城、司马台长城、慕 田峪长城、居庸关长城和箭扣长城等。 The Great Wall