1、R 八年級下冊,Unit 7,Whats the highest mountain in the world?,Section A 第一課時 1a-2d,New words,square n. 平方,meter n. 米,desert n. 沙漠,population n. 人口,wall n. 墻,tour v. n. 旅行,Language Goal: Talk about geography and nature,1a. Match the facts you know.,1a,Practice,Practice in pairs like this: A: Which is the i

2、n the ? B: ,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,1c. Use the information i

3、n 1b to make conversations.,What is the highest mountain in the world?,Qomolangma.,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 t

4、he world. Its 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.,1,2,3,4,2b.Listen again and fill in the blanks in 2a with the nu

5、mbers 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. Its a lot bigger than the population of the US.,6,300,5,464,2b,_ China is over _ years old. It has a much longer history

6、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.,5,000,300,2c. Make conversations using the information in 2a.,Did you know that China is one of the oldest countries in the world?,Yes, I did. its much older than my country.,Use t

7、he information in 2a to retell the story in a conversation between the boy and a TV reporter.,Did you know that Yangtze River is the longest river in China?,Yes, I did. Its 6,300 meters long.,2d. Role-play the conversation.,Guide: Feel free to ask me anything on todays Great Wall tour. Tourist 1: Ho

8、w long is the wall? Guide : Ah, the most popular question! If were only talking about the parts from the Ming Dynasty, its about 8,850 kilometers long. This makes it the longest wall in the world. Tourist 2: Wow, thats amazing! Why did the ancient emperors build the wall?,2d,Guide :The main reason w

9、as to protect their part of the country. As you can see, its quite tall and wide. As far as I know, there are no man-made objects as big as this. Tourist 3: Is Badaling part of the Ming Great Wall? Guide :Yes, its the most famous part.,Language points,1The Sahara is about 9,600,000 square kilometers

10、 in size. square是可數(shù)名詞，意為“平方；正方形”。square用于專有名詞時,其前不加冠詞。 如：Ask each student to draw 16 squares on a piece of paper. 要求每個學生在紙上畫16個正方形。 I would estimate the size of the garden at 100 square metres. 據(jù)我看,這花園總面積100平方米左右。,Language points,2. The Caspian Sea is 1,025 meters deep. （1）deep是形容詞，意為“深的；縱深的”。 如：Thi

11、s river is about 6 meters deep. 這河大約有六米深。 His personality left a deep impression on us. 他的人品給我們留下了深刻的印象。,（2）meter是名詞，意為“米；公尺”。 如：The boy is one meter tall in his stocking feet. 這個小男孩不穿鞋的身高是一米。 It is a mere 100 meter from my house to the theater. 從我家到劇場只有一百公尺。,Language points,3. China has the biggest

12、 population in the world. (1)population 是集合名詞，意為“人口；人口數(shù)量”，無復數(shù)形式，在句中作主語時，謂語動詞用單數(shù)。但當population 前有分數(shù)或百分數(shù)修飾時，用于指具體的人數(shù)，故作主語時，謂語動詞要用復數(shù)形式。 如：The population is growing fast 。 人口增長很快。 One fifths of the population here are workers。 這兒有五分之一的人是工人。,Language points,Language points,4. China is almost as big as the

13、 Us,but it is the biggest country in Asia. （1）“as+形容詞或副詞的原級+as”表示雙方在某個方面一樣，既可以用在肯定句里，也可以用在否定句中。 如：She is as tall as me.她和我一樣高。 He runs as fast as Paul. 他跑得和保羅一樣快。 “not as+形容詞或副詞的原級+as”表示雙方在某個方面不同。 如：His English is not as good as hers. 他的英語不如她的好。,Language points,(2)biggest是形容詞big的最高級，意為“最大的”。 如：This

14、is the biggest animal that I have ever seen.這是我見過的最大的動物。 形容詞的最高級用于表示三者或三者以上（人或物）的比較中，在某方面超過其他人或物。最高級的前面要加定冠詞the，后面可帶of/in短語來說明比較的范圍。 如：Its the most expensive car in the world. 它是世界上最昂貴的汽車。 Whose drawing is the best of all? 在所有畫當中誰的畫最好？,Language points,5. Feel free to ask me anything on todays Great

15、Wall tour. wall 是可數(shù)名詞，意為“墻,圍墻”,in the wall表示“在墻的里面”; 而on the wall表示“在墻的表面”。the Great Wall(長城)是the Great Wall of China(中國長城)的簡稱。 如：The explosion caused the walls of the building to fall in. 爆炸使建筑物的墻倒塌了。 He who does not reach the Great Wall is not a true man. 不到長城非好漢。,單項選擇。 1. I think she is _ of all the girls. A. beautiful B. more beautiful C. most beautiful D. the most beautiful 2. How tall he is ! Yes, he is _ than any other student in his