2. the tallest taller

3. 1. 一般情况 :+er( 比较级 )+est( 最高级 ) quiet--quieter--the quietest bright--brighter- --the brightest 2. 词末为 --e （不发音） + r --+st fine--finer--the finest nice--nicer--the nicest 3. 重读闭音节，末尾只有一个辅音字母的：双写 辅音字母 +er-- 双写辅音字母 +est hot--hotter--the hottest wet--wetter--the wettest 4. 三个或三个以上音节的形容词只能加 more 和 most 5.. 特殊变化 good—better—best many/much—more— the most 1. 一般情况 :+er( 比较级 )+est( 最高级 ) quiet—quieter—the quietest bright—brighter—the brightest 2. 词末为 -e （不发音） + r —+st fine—finer—the finest nice—nicer—the nicest 3. 重读闭音节，末尾只有一个辅音字母的：双写辅音字母 +er— 双写辅音字母 +est hot—hotter—the hottest wet—wetter—the wettest 4. 三个或三个以上音节的形容词只能加 more 和 most 5.. 特殊变化 good—better—best many/much—more—the most 比较级主要运用与两者比较，最高级运用于三者包括三 者以上的比较。 A …+er…than …B, A …+est…of the three, A …+est… than others

4. Can you read them? 8,448 5,654 4,321 9,543 23,345 34,666 43,233 67,321

5. square [skwεə] n. 平方 meter [mi:tə] n. 米

6. deep [di:p] adj. 深的 desert ['dezət] n. 沙漠 population [,p ɔ pju'lei ʃ ən] n. 人口 Asia['ei ʃ ə]n. 亚洲

7. tour [tuə] v. n. 旅 行 tourist ['tuərist] n. 旅行者 wall n. 墙 amazing [ə'meiziŋ] adj. 令人大为惊奇的

8. ancient ['ein ʃ ənt] adj. 古代的 wide [waid] adj. 宽的；宽阔的

9. 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 [nail]

10. The Caspian Sea ['kæspiən] The Caspian Sea is the deepest salt lake in the world. It lies in the border between Asia and Europe.

11. Do you know these interest places? Qomolangma [ ˈ t ʃ ə ʊ mə ʊˌ l ɑː ŋmə] 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.

12. The Sahara is the biggest desert in the world. It is about 9,600,000 square kilometers in size.It is located in the northern Africa, climate conditions are very bad 。 The Sahara [sə'h ɑ :rə 】

13. The Yangtze River is the third longest river in the world, the first Asian rivers. It’s kilometers long. The Yangtze River ['jæŋtsi]

14. 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

15. A: How high is Qomolangma? B: It’s 8,844 meters high. A:How big is the Sahara? B:It’s about 9,600,000 square kilometers in size.......

16. 1b 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. higher the biggest the deepest the longest

17. Use the information in 1a and 1b to practice in pairs like this: A: Which is the … in the world? B: … A: How big / deep /... is it ? B: It's....

18. 2a Listen and number the facts(1- 4) in the order you hear them. 6,300 5,000 5,464 300 ___ 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, but it is the biggest country in Asia. 4 2 1 3

19. 2b Listen again and fill in the blanks in 2a with the numbers in the box. 6,300 5,000 5,464 300 ___ 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. 6,300 5,464

20. ___ 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, but it is the biggest country in Asia. 5,000 300

21. 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.

22. 2d Read the conversation and answer the questions: 1. Which is the biggest man-made object in the world ？ 2. Which is the most famous part of the Ming Great Wall? The Great Wall. Badaling part of the wall.

23. 1. Feel free to ask me anything on today’s Great Wall tour. 在今天的长城游中，大家尽管问我任何 问题，不要拘束。 feel free 是英语口语中一个常用表达。 若有人让你 feel free to do something ， 就是让你无需拘束，只管按照自己的意 愿去做某事。

24. 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!

25. e.g. A: Can I use your bathroom? 我可以用一下你的卫生间吗？ B: Yes, feel free. 可以，请随意。

26. as far as I know 是一个固定的表达方 式，还可以说 so far as I know ，意思 是 “ 据我所知 ” 。 2. As far as I know, there are no man- made objects as big as this. 据我所知，再没有像它这样大的人造 物体了。

27. e.g. As far as I know, Jack’s got twin sisters. 就我所知，杰克有一对孪生姐妹。 They’re not coming today, so far as I know. 他们今天不来了 – 就我所知是这样的。

28. feel free the most popular question talk about the Ming Dynasty the ancient emperors the main reason as far as I know the Ming Great Wall

29. How long is the wall? It’s about 8,850 kilometers long. This makes it the longest wall in the world. It’s the most famous part.

30. A: To memorize the important phrases and sentences. B: To make some dialogues about asking the size of objects.

32. …8,844 meters high. …8,844 米高 … meters high (long, wide…) …… 米高（长，宽 ……) 。 英语表示 “ 有多长（宽，高 …… ） ” 时，一 般将数词和数量单位放在表示长宽高的形 容词前作状语。 e.g. The wall is 1.7 metres wide.

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