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1、R 八年级下册,Unit 7,Whats the highest mountain in the world?,Section A 第一课时 1a-2d,New words,square n. 平方,meter n. 米,desert n. 沙漠,population n. 人口,wall n. 墙,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是可数名词，意为“平方；正方形”。square用于专有名词时,其前不加冠词。 如：Ask each student to draw 16 squares on a piece of paper. 要求每个学生在纸上画16个正方形。 I would estimate the size of the garden at 100 square metres. 据我看,这花园总面积100平方米左右。,Language points,2. The Caspian Sea is 1,025 meters deep. （1）deep是形容词，意为“深的；纵深的”。 如：Thi
11、s river is about 6 meters deep. 这河大约有六米深。 His personality left a deep impression on us. 他的人品给我们留下了深刻的印象。,（2）meter是名词，意为“米；公尺”。 如：The boy is one meter tall in his stocking feet. 这个小男孩不穿鞋的身高是一米。 It is a mere 100 meter from my house to the theater. 从我家到剧场只有一百公尺。,Language points,3. China has the biggest
12、 population in the world. (1)population 是集合名词，意为“人口；人口数量”，无复数形式，在句中作主语时，谓语动词用单数。但当population 前有分数或百分数修饰时，用于指具体的人数，故作主语时，谓语动词要用复数形式。 如：The population is growing fast 。 人口增长很快。 One fifths of the population here are workers。 这儿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+形容词或副词的原级+as”表示双方在某个方面一样，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.她和我一样高。 He runs as fast as Paul. 他跑得和保罗一样快。 “not as+形容词或副词的原级+as”表示双方在某个方面不同。 如：His English is not as good as hers. 他的英语不如她的好。,Language points,(2)biggest是形容词big的最高级，意为“最大的”。 如：This
14、is the biggest animal that I have ever seen.这是我见过的最大的动物。 形容词的最高级用于表示三者或三者以上（人或物）的比较中，在某方面超过其他人或物。最高级的前面要加定冠词the，后面可带of/in短语来说明比较的范围。 如：Its the most expensive car in the world. 它是世界上最昂贵的汽车。 Whose drawing is the best of all? 在所有画当中谁的画最好？,Language points,5. Feel free to ask me anything on todays Great
15、Wall tour. wall 是可数名词，意为“墙,围墙”,in the wall表示“在墙的里面”; 而on the wall表示“在墙的表面”。the Great Wall(长城)是the Great Wall of China(中国长城)的简称。 如：The explosion caused the walls of the building to fall in. 爆炸使建筑物的墙倒塌了。 He who does not reach the Great Wall is not a true man. 不到长城非好汉。,单项选择。 1. I think she is _ of all
16、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 class. A. tall B. taller C. tallest D. more tall,D,B,根据汉语意思完成句。 1. 据我所知，世界上没有墙和长城一样长。 _ _ _ I know, no other walls are _ _ _ the Great Wall. 2. 中国人口非常多。 Chinas _ _ _
