八年级下Unit 7 What 's the highest mountain in the world Section A 1a-2b 市级优课ppt课件.ppt

1、Unit 7Whats the highest mountain in the world?,Section APeriod One,Whats the highest mountain in the world? How high is it?,Do you know?,Qomolangma,Qomolangma is the highest mountain in the world. It is 8,844.43 meters high.,Now let enjoy the beautiful scenes of Qomolangma:,What do you know about th

2、e following numbers?,1,025 meters deep,The Caspian Sea,What do you know about the following numbers?,6,671 kilometers long,The Nile,What do you know about the following numbers?,9,600,000 square kilometers in size,The Sahara,Review,Words and expressions,Read the words and expressions loudly.,square

3、meterdeepdesertpopulationAsia feel freetour,n. 平方；正方形n. 米；公尺adj. 深的；纵深的n. 沙漠n. 人口；人口数量n. 亚洲(可以)随便(做某事)n.&v. 旅行；旅游,Words review,touristwallamazingancientprotectwideas far as I know,n. 旅行者；观光者n. 墙adj. 令人大为惊奇的；令人惊喜的adj. 古代的；古老的v. 保护；防护adj. 宽的；宽阔的就我所知,Words review,Objectives,To learn to compare factsTo

4、learn to express large numbersTo learn to talk about geography and natureTo learn new words: square, meter, deep, desert, population, Asia, tour, tourist, wall, ancient, protect, wide,Match the facts you know.,1a,QomolangmaThe SaharaThe Caspian SeaThe Nile,about 9,600,000 square kilometers in size1,

5、025 meters deep6,671 kilometers long8,844.43 meters high,Listen and complete the sentences.,Qomolangma is _ than any other mountain in the world.The Sahara is _ desert in the world.The Caspian Sea is _ of all the salt lakes.The Nile is _ river in the world.,1b,higher,the biggest,the deepest,the long

6、est,A: What is the highest mountain in the world?B: Qomolangma.,1c,Pairwork,Use the information in 1b to make conversations.,A: What is the biggest desert in the world?B: The Sahara.,Example 1:,A: What is the longest river in the world?B: The Nile.,Example 2:,Listen and number the facts 1-4in the or

7、der 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. 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 _ year

8、s old._ China is almost as big as the US, and it is the biggest country in Asia.,2a,1,4,3,2,_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. _ China is over _ years

9、 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,A: Did you know that

10、 China is one of the oldest countries in the world?B: Yes, I did. Its much older than my country.,2c,Pairwork,Make conversations using the information in 2a.,A: Did you know that China has the biggest population in the world?B: Yes, I did. Its a lot bigger than the population of the US.,Example 1:,A

11、: Did you know that China is the biggest country in Asia?B: Yes, I did. Its almost as big as the US.,Example 2:,A: Did you know that Yangze River is much longer than the Yellow River?B: No, I didnt. How long is it?A: Its 6,300 kilometers long.B: Wow! Thats very long!,Example 3:,2d,Pairwork,Role-play

12、 the conversation.,Guide: Feel free to ask me anything on todays Great Wall tour.Tourist 1: How 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.,Pairwork,To

13、urist 2: Wow, thats amazing! Why did the ancient emperors build the wall?Guide: The main reason was 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:

14、Yes, its the most famous part.,Language points,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“Whats the population of .?”提问，而不用how many或how much等提问。表示人口“多”要用large或big；表示人口“少”要用small。,Practise,这个城市的人口是600万。The population of this city is six million中国的人口比美国的人口多很多。The population of China is muc

15、h larger than that of the USA.,2. Qomolangma is 8,844.43 meters high.,It is meters high (long, wide). 它米高(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。,这座山高三千多米。 The maintain is more than three thousand meters high.它离我们只有三十八万公里。It is only 380,000 kilometers away.这座绿色长城长7,000公里。 The Green Great Wa

16、ll is 7,000 kilometers long.,Practise,3. Did you know that China is one of the oldest countries in the world? that China is是know的宾语从句。尽管主句的动词是过去时态，但由于宾语从句陈述的是客观事实，所以从句仍用一般现在时。,4. Its much older than my country.,much higher 意为“高得多”。在形容比较级前还可以用much, even, a little, still ,a lot, less等修饰词表示程度。,Practise

17、,他比我跑得更快。He runs even faster than I. 日本土地面积只比德国大一点儿。 Japan is a little larger than Germany in area.,5. As far as I know, there are no man-made objects as big as this.,as far as I know意为“就我所知”，其他常用口语表达有as / so far as I can remember / I can tell / I can see等。,Practise,根据我记得的，她过去住在芝加哥。 She lived in Chi

18、cago, as far as I can remember.,as far as也可表示“远至” (在否定句中也可用 so far as)。,Practise,我们坐火车到北京，然后转乘公共汽车。 We will go by train as far as Beijing, and than take a bus. 我们不如其他人走得远。 We didnt go as/so far as the others.,man-made为合成形容词，意为“人造的”。英语中像这样与-made复合而成的形容词还有：handmade(手工制作的)、homemade (家庭制作的)、machine-made

19、 (机制的)、tailor-made (量体定制的；特制的；定做的)等，用以描述产品的生产或制造手段、特点等，甚至还有像self-made (自学而成的；自我奋斗而成的；天然形成的)可以用来描述人。,Practise,面包和糕点都是自家做的。The bread and pastry are homemade. 这个电影角色是专为那位男演员量身设计的。This movie role was tailor-made for that actor.,Review,课时重点回顾,Whats the population of .?It is meters high (long, wide).much,

20、 even, a little, still ,a lot, less+形容词比较级as far as I knowas / so far as I can remember / I can tell / I can seeas far as 远至合成词man-made,Now 2 mins to test your spelling.,Spelling Bee,1. English-Chinese square, meter, desert, population, Asia, wall2. Chinese-English 深的；随便；旅行；旅行者；令人大为惊奇的；古代的；保护；宽阔的；就我

21、所知,When finished, exchange your papers to see who does the best.,Quiz,注: 另附word文档。 点击此处链接,1. The p_ in our hometown is very large.2. We t_ by car every summer.3. We have to make plans to p _ the endangered animals.4. They came to a _ (宽阔的) river.5. Some _ (古老的) towns have walls around them.,opulatio

22、n,our,rotect,wide,根据提示完成句子。,ancient,Choose the best answer.1. My brother is _ more outgoing than me. A. many B. little C. much2. October 12th was one of _ days in 2005. Shenzhou-VI was launched(发射) successfully. A. exciting B. more exciting C. the most exciting3. Which city is _, Beijing, Shanghai or Fuzhou? A. beautiful B. more beautiful C. the most beautiful,4. _ children there are in a family, _ their life will be. A. The less, the better