人教版八年级下册英语 Unit 7 what's the highest mountain in the world section A 1a-2d课件

1、人教九年级（上册）人教八年级（下册）英 语Unit 7 whats the highest mountain in the world？第一课时section A 1a-2d1.Learn how to use the numral and the comparatives and superlatives with adjectives to talk about the facts of the world.学习目标平方；正方形(=metre)米；公尺深的；纵深的沙漠人口；人口数量亚洲squaremeterdeepdesertpopulation Asia (可以)随便(做某事)旅行；旅游

2、旅行者；观光者墙feel freetourtouristwallamazingwall令人惊喜(或惊叹)的man-made古代的；古老的保护；防护宽的；宽阔的就我所知人造的ancientprotectwideas far as I knowQomolangmaThe NileThe Caspian SeaThe Saharaabout 9,600,000 square kilometers in size1,025 meters deep6,671 kilometers long8,844.43 meters high里海1bListen and complete the sentences.

3、 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.higherthe biggestthe deepestthe longestTeacher：Yesterday, we learned some important geographical facts. I hope you all

4、still remember them. Im going to test you now by asking a few questions. First, whats the highest mountain in the world?听力原文：地理事实 Boy 1：Qomolangma! Its higher than any other mountain in the world.Teacher：Thats right. And who can tell me what the Sahara is? Girl 1：The Sahara is the biggest desert in

5、the world.Teacher：Very good. And which is the deepest salt lake in the world? Girl 2：The Caspian Sea is the deepest of all the salt lakes.“比较级+ than any other +名词+其他”表示“比其他任何一个都” 注意：该结构可与“the+最高级+其他”相互转换 Teacher：Youre all so smart! Now, for the last question, which is the longest river in the world?

6、 Boy 2：I know! The Nile is the longest river in the world. Boy 1：And the Amazon is the second longest river in the world.Teacher：It seems that you know the answers to all my questions. Good job!“the+序数词+最高级+单数名词+in”表示“是中的第几”形容词最高级结构: the +最高级+其他 Language pointsQomolangma is higher than the other mou

7、ntains in the world.Qomolangma is higher than any other mountain in the world. Qomolangma is the highest mountain in the world.同义转换在比较级结构中any other 和 any 所表达的比较范围不同。any otherany指在某一范围内“别的；任何其他（一者）”任何的The Pacific Ocean is bigger than _ ocean in the world.太平洋比世界上其他任何海洋都大。China is _ than _ country in E

8、urope.中国比欧洲的任何国家都大。any other any larger1cUse the information in 1b to make conversations. What is the highest mountain in the world? Qomolangma.What is the biggest desert in the world? The Sahara.What is the deepest salt lake in the world? The Caspian Sea.What is the longest river in the world? The

9、Nile.2aListen 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 the world. Its a lot bigger than the population of the US.24_ China is over _ years

10、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.136,300 5,000 5,464 3002bListen again and fill in the blanks in 2a with the numbers in the box. _ The Yangtze River is about _ kilometers long and t

11、he 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 5,000 5,464 3006,3005,464_ 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

12、, and it is the biggest country in Asia.6,300 5,000 5,464 3005,000300Language pointsa lot 修饰形容词的比较级bigger，表示“得多”。a lot 很；非常在比较级结构中，为了强调程度，可在其前用 a lot，a little，a bit，much，even，any，still等副词（短语）修饰。拓展：She has spent a lot on clothes. （1）a lot 作副词短语意为“非常”时，可用来修饰 动词。（2）a lot of = lots of 意为“许多；大量”，既可修饰可数名词

13、，相当于many，也可修饰不可数名词，相当于much。可位于句首作主语，用来表示某地的人口数量。作主语时，谓语动词用单数形式。2. the population of 的人口数量同义短语： has a population of注意：询问某地有多少人时，要用句型Whats the population of ? How large is the population of ? 不能用how many，how much提问。表示人口“多” 用 large 或 great 来修饰； 表示人口“少”时用 small 来修饰。3. China is almost as big as the US, b

14、ut it is the biggest country in Asia.“as + 形容词或副词的原级+ as”意为“和相同； 与一样”，用于同级之间的比较。补充：“not as / so + 形容词或副词的原级 + as”意为“和不一样；与不同”。4. China is almost as big as the US, but it is the biggest country in Asia.Almost 程度副词，意为“几乎；差不多”修饰形容词或动词等。biggest为最高级，前面要加定冠词the，但当最高级的前面有物主代词、名词所有格等修饰时，不加定冠词the。5. Did you

15、know that China is one of the oldest countries in the world?宾语从句表示的内容是客观事实、真理或自然现象等，从句要用一般现在时。He told me that the earth is larger than the moon. “one of the +形容词最高级 +可数名词复数” 意为“最的之一”。one of 作主语时，谓语动词要用第三人称单数形式。6. one of One of the girls in red is my sister. 2cMake conversations using the information

16、 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.Did you know that China is the biggest country in Asia?Yes, I did. Its almost as big as the US.Yes, I did. Its 6,300 kilometers long.Did you know that Yangtze River is the longest

17、river in China? Role-play the conversation. Listen and answer the questions.2d1. How long is the Great Wall?If were only talking about the parts from the Ming Dynasty, its about 8,850 kilometers long.2.Why did the ancient emperors build the wall?The Badaling part.The main reason was to protect their

18、 part of the country.3. Which part is the most famous part of the Ming Great Wall?2dRole-play the conversation. Fill in the blanks. If were only talking about the parts from the Ming Dynasty, its about 8,850 kilometers _. This makes it the _ wall in the world.longest longThe main reason was to prote

19、ct their part of the country. As you can see, its quite _and _. As far as I know, there are no other _ objects as big as this.tallwideman-made as far as I knowso far as I know,意为“据我所知”。其中 as far as 作从属连词，意为“就而言”，引导状语从句，强调程度或范围。拓展：as的常用短语一就只要和；也；既又像一样多as soon as as long as as well as as much as Exercise 单项选择。1. I think she is _ girl