1. To learn to compare facts. （ 学会比较） To learn to express large numbers To learn to love our nature

2. Unit 5 What’s the highest mountain in the world? the highest mountain

3. Qomolangma is the highest mountain in the world. 8,844.43 meters high. thousand point

4. Can you find the rules? 365 8 ， 844.43 9 ， 600 ， 000 368 ， 625 ， 148 millionthousand point 1. 百与十之间要加 and 2. 三个数字为一组， 单位为： thousand,million, billion 3. 小数点读： point three hundred and sixty-five

5. How deep is …? 1,025 meters deep The Caspian Sea GUESS

6. How long is…? 6,671 kilometers long The Nile

7. What’s the size of …? 9,600,000 square kilometers in size The Sahara

8. Match the facts according to the pictures. 1a Qomolangma The Sahara The Caspian Sea The Nile about 9,600,000 square kilometers in size 1,025 meters deep 6,671 kilometers long 8,844.43 meters high

9. 英语中表示计量的方法 1,025 meters deep 8,844.43 meters high 6,671 kilometers long tall 指人的身高或 树高

10. 2 The tree The river The road The desk ……

11. 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. 1b higher the biggest the deepest the longest =Qomolangma is the highest mountain in the world. in+ 地点范围 Of+ 同 一类事 物 比较级 最高级

12. A:What’s the highest mountain in the world? B:Qomolangma is…. A:How high is it? B:It’s…. 8,844.43meters high6,671 kilometers long 1,025 meters deep 9,600,000 square kilometers in size

13. Now let’s come back to our motherland --- China

14. 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. 2a 1 4 3 2

15. __ The Yangtze River is about _____ kilometers long and the Yellow River is _____ kilometers long. The Yellow River is the second longest river in China. __ 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. 2b 6,300 5,464 5,000 300 6,300 5,000 5,464 300 1 4 3 2 最高级的特殊用法： 序数词 + 最高级

16. 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. 2c Make conversations using the information in 2a.

17. A: Did you know that China has the biggest population in the world? B: Yes, I did. It’s a lot bigger than the population of the US. Example 1:

18. A: Did you know that China is the biggest country in Asia? B: Yes, I did. It’s almost as big as the US. Example 2:

19. A: Did you know that Yangtze River is much longer than the Yellow River? B: No, I didn’t. How long is it? A: It’s 6,300 kilometers long. B: Wow! That’s very long! Example 3:

21. 1. population population 意为 “ 人口数量 ” ，谓语动词要 用单数形式。 询问人口数量时要用 “What’s the population of...?” 提问。 表示人口 “ 多 ” 要用 large 或 big ；表示人口 “ 少 ” 要用 small 。 e.g. 中国的人口比美国的人口多很多。 The population of China is than of the USA. muchlargerthat

22. 2. It’s much older than my country. much older 意为 “ 古老得多 ” 。在形容比 较级前还可以用 much, even, far, a little, a bit, a lot, 等修饰词表示程度。 他比我跑得快得多。 He runs much/a lot faster than I.

23. 1. How long is the Great Wall? 2. Why did the ancient emperors build the wall? 3. Is Badaling part of the Ming Great Wall? It’s about 8,850 kilometers long. Because they wanted to protect their part of the country. Yes, it is.

24. Find the following useful phrases : 随便做某事 使它成为最长的墙 正如你所看到的 相当宽 就我所知 feel free to do sth. make it the longest wall as you can see quite wide as far as I know

25. 1. 据我所知，他将教我们英语。 2. 正如你所看到的，这条河长三百米。 3. 这使它成为世界上最高的山。 翻译下列句子 As far as I know ， he'll teach us English. As you can see, this river is 300 meters long. This makes it the highest mountain in the world.

26. Rewrite the conversation The wall we are ______ about the parts from the Ming Dynasty is about 8,850 ________ long. This _____ it the ______ wall in the world. The _____ emperor built the wall in order to _____ their part of the country. The wall is _____ tall and wide.There are no ________ objects as big as this. And Badaling is the _____ _____ part of the Ming Great Wall. talking kilometersmakes longest ancient protect quite man-made mostfamous

27. Challenge yourself 1. My brother is ___ more outgoing than me. A. much B. little C. many 2. October 12th was one of ___days in 2005. Shenzhou-VI was launched( 发射 )successfully. A. exciting B. more exciting C. the most exciting 3. Which city is ______, Beijing, Shanghai or Fuzhou? A. beautiful B. the most beautiful C. most beautiful 4. ____children there are in a family, ___their life will be. A. The less, the better B. Fewer, richer C. The fewer, the better 5. The Amazon is the second_______ river in the world. A. larger B. the largest C. largest

28. 6. Of the two skirts, the pink one is ______. A. the nicest B. the nicer C. nicer 7. Jack’s handwriting is as ____ as Mike’s. A. good B. better C. best 8. We can do the work better with ____ money and ______ people. A. little, few B. less, fewer C. fewer, less 9. The population of China is larger than ____ of the USA. A. this B. that C. it

29. What have you learned in this class?

30. Homework 1. 必作： Review the new words and expressions. 2. 选作 ： 发挥想象，连词成文 (50-100 字 ) 。 square, meter, population, Asia, tour, tourist, wall, ancient, protect, wide, as far as I know