八年级英语下册第七单元ppt课件.ppt

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1、Unit 7Whats the highest mountain in the world?,Section APeriod One,square 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 knowman-made,n. 旅行者；观光者n. 墙adj. 令人大为惊奇的；令人惊喜的adj. 古

2、代的；古老的v. 保护；防护adj. 宽的；宽阔的就我所知adj. 人造的,Words Review,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.,What do you know about the following numbers?,1,025 meters deep,The Caspian Sea,What do you

3、 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,Objectives,1.To learn to compare facts2.To learn to express large numbers3.To learn to talk about geography and nature4.To learn new words: s

4、quare, 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 size1,025 meters deep6,671 kilometers long8,844.43 meters high,Listen and complete the sentences.,Qo

5、molangma 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 longest,A: What is the highest mountain in the world?B: Qomolangma.,1c,Pairwork,Use the informatio

6、n 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 order you hear them.,_The Yangtze River is about _ kilometers long and the Yellow River is _ kil

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

8、he 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 _ years old._ China is almo

9、st 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 China is one of the oldest countries in the world?B: Yes, I did. Its much older than my count

10、ry.,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: Did you know that China is the biggest country in Asia?B: Yes, I did. Its almost as big as t

11、he 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:,How long is the Great Wall?,Read the dialogue in 2d, then answer the questions below.,From the Ming Dynasty, its ab

12、out 8850 kilometers long.,The main reason was to protect their part of the country.,Yes, its the most famous part.,2. Why did the ancient emperors build the wall?,3. Is Badaling part of the Ming Great Wall?,Role-play,1. Role play the conversation in groups;2. Role play the conversation in front of t

13、he class,Lets see which group does the best.,2d,Guide: _ ask me anything on todays Great Wall tour.Tourist 1: _ is the wall?Guide: Ah, _ popular question! If we are only _ the parts from the Ming Dynasty, its about 8850 kilometers long. This makes it _ wall in the world.Tourist 2: Wow, thats amazing

14、! Why did the ancient emperors build the wall?Guide: The _ was to protect their part of the country. _, its _. _, there are no other man-made objects _ this.Tourist 3: Is Badaling part of the Ming Great Wall?Guide: Yes, _.,Feel free to,How long,the most,talking about,the longest,main reason,As you c

15、an see,quite tall and wide,As far as I know,as big as,its the most famous part,Read the dialogue in 2d, then fill in the blanks below.,Guide: Feel to ask free me todays anything on Great Wall tour.Tourist 1: How is the long wall?Guide: Ah, the popular question most! If we are only about the parts ta

16、lking from the Ming Dynasty, its about kilometers 8850 long. This makes it the wall in longest the world.Tourist 2: Wow, amazing thats! Why did the emperors ancient wall build the?,Feel free to ask me anything on,todays Great Wall tour.,How long is the wall?,Ah, the most popular question! If we,are

17、only talking about the parts from the Ming Dynasty, its about 8850 kilometers long. This makes it the longest wall in the world.,Wow, thats amazing! Why did,the ancient emperors build the wall?,Read the conversation in 2d and learn it by your heart. Then try to make the conversation in the right ord

18、er.,Guide: The main was to protect reason their part of the country. As can you see, its tall quite and wide. As know far as I, there other man-made are no big objects as as this.Tourist 3: Is part of the Ming Badaling Great Wall?Guide: Yes, its the famous most part.,The main reason was to protect t

19、heir,part of the country. As you can see, its quite tall and wide. As far as I know, there are no other man-made objects as big as this.,Is Badaling part of the Ming,Great Wall?,Yes, its the most famous part.,Today lets talk about the Great Wall. The parts from the Ming Dynasty is about 8850 kilomet

20、ers long. This _. It was built to _ their part of the country. And the most famous part is Badaling part of the Ming Great Wall.,makes it the longest wall in the world,protect,1. population,*population:“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b

21、ig；表示人口“少”要用small,Language points,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 much 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

22、山高三千多米。 The mountain 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 Wall is 7,000 kilometers long.,Practise,3. Qomolangma is higher than any other mountain in the world.,any other + 可数名词单数：“在同一范围内除了某人或某物以外的其他人或物”,彼得跑的比他班里的其他任何同

23、学都要快。Peter runs faster than any other student in his class.,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. Did you know that China is one of the oldest countries in the world?,5. Its much older than my country.,*much +比较级 : “得多”*在形容比较级前还可以用much, even, a little, still ,a lot, les

24、s等修饰词表示程度,Practise,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.,6. As far as I know, there are no other man-made objects as big as this.,*as far as I know: “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

25、去住在芝加哥。 She lived in Chicago, 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 then 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， “人造的”*类似的与-made复合而成的形容词还有：handmade(手工制作的)、homemade

26、(家庭制作的)、machine-made (机制的)、tailor-made (量体定制的；特制的；定做的) *self-made (自学而成的；自我奋斗而成的；天然形成的),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.,7. The main reason was to protect their part of the country.,*protect: vt. “保护；防护”*prote

27、ct from/against: “保护免受” *protection:不可数名词，“保护，保卫”,我们应该保护环境。We should protect the environment. 他带着太阳镜以保护眼睛免受强烈阳光的伤害。 He wears sunglasses to protect his eyes from the strong sunlight.,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 an

28、imals.4. They came to a _ (宽阔的) river.5. Some _ (古老的) towns have walls around them.,opulation,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) successful

29、ly. 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. _ electricity you use, _ your bill will be. A. The higher, the better B. Fewer, better C. The more, the higher5. Mobile phones are very popula

30、r now and they are _ than before. A. cheap B. cheaper C. the cheapest6. In our city, its _ in July, but its even _ in August. A. hotter, hottest B. hot, hot C. hot, hotter,7. Of the two skirts, the pink one is _. A. the nicest B. the nicer C. nicer8. Jacks handwriting is as _ as Mikes. A. good B. be

31、tter C. best9. We can do the work better with _ money and _ people. A. little, few B. less, fewer C. fewer, less10. Jim is the tallest student in our class and Tom is the second _ one. A. tall B. taller C. tallest,Finish the sentences with the right forms of the adjs.1. Kate is young, but Joe is _.2

32、. My shoes are new. My sisters are _ than mine.3. Her bag is heavy, and his is _ than hers. But yours is _ of all.,younger,newer,heavier,the heaviest,4. Toms kite is high. Jims is _ than Toms. Mikes is _ of them all.5. Bill is seven. John is nine and Tom is eleven. Tom is _ than John and Bill. Bill

33、is _ than John. Bill is _ and Tom is _ of the three.,the highest,older,younger,the youngest,the oldest,higher,据我所知，他将外出三个月。2. 这条河长三百米。3. 这个省份的人口有一千万。,翻译下列句子。,As far as I know hell be away for three months.,This river is 300 meters long.,The population of this province is ten million.,Review,课时重点回顾,1

34、. Whats the population of .?2. It is meters high (long, wide).3. much, even, a little, still ,a lot, less+形容词比较级4. as far as I know5. as / so far as I can remember / I can tell / I can see6. as far as 远至7. 合成词man-made,Homework,Review the new words and expressions. 2. 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,3. Preview the article Qomolangma.4. Preview the new words and phrases.,