英语人教版八年级下册unit 7 sectionA(1a-2b).ppt

1、Unit 7Whats the highest mountain in the world?,Section A Period One,Objectives,To learn to compare facts To learn to express large numbers To learn to talk about geography and nature To learn new words: square, meter, deep, desert, population, Asia, tour, tourist, wall, ancient, protect, wide,Whats

2、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 the following numbers?,1,025 meters deep,The Caspian Sea,What do you know a

3、bout 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,square meter deep desert population Asia feel free tour,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,to

4、urist wall amazing ancient protect wide as 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,Match the facts you know.,1a,Qomolangma The Sahara The Caspian Sea The Nile,about 9,600,000 square kilometers in size 1,025 meters deep 6,671 kilometers lon

5、g 8,844.43 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 longest,A: What is the highest moun

6、tain 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 order you hear them.,_The Yang

7、tze 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 almost as

8、 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 old. It has a much longe

9、r 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 China is one of the old

10、est 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: Did you know that Ch

11、ina 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 the conversation.

12、,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,Tourist 2: Wow, th

13、ats 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: Yes, its the

14、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。,Practice,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

15、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 Wall i

16、s 7,000 kilometers long.,Practice,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。,Practice,他比我

17、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。,Practice,根据我记得的，她过去住在芝加哥。 She lived in Chicag

18、o, 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)。,Practice,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。,Practice,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). muc

20、h, even, a little, still ,a lot, less+形容词比较级 as far as I know as / so far as I can remember / I can tell / I can see as far as 远至 合成词man-made,Test your spelling.,Spelling Bee,1. English-Chinese square, meter, desert, population, Asia, wall 2. 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；就我所知,When

21、 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.,opulation,o

22、ur,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. much 2. October 12th was one of _ days in 2005. Shenzhou-VI was launched(发射) successfully. A. exciting B. more exciting C. the most exciting 3. Which city is _, Beijing, Shanghai o

23、r 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 B. Fewer, richer C. The fewer, the better 5. Mobile phones are very popular now and they are _ than before. A. cheap B. cheaper C. the cheapest 6. In our

24、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. nicer 8. Jacks handwriting is as _ as Mikes. A. good B. better C. best 9. We can do the work better with _ money and _ people. A. little, few B. less, fewer C. fewer, less 10. 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. My sho