2021年春人教版英语八年级下册Unit 7 Section A (1a-2d) 课件.pptx

1、Unit 7 Whats the highest mountain in the world? Section A (1a-2d) Which is the highest mountain in the world? Which is the longest river in the world? Which is the deepest salt lake in the world? Which is the biggest desert in the world? Qomolangma runs along the border between China and Nepal. It i

2、s covered with snow all the year round. Its 8844.43 meters high, the highest in the world. Its 26 kilometers long. The Nile is the longest river in the world. Its more than 6,671 kilometers long. It runs through 9 countries. Its one of the largest river flowing through the international states in th

3、e world and runs into the Mediterranean Sea (地 中海) in the end. The Caspian Sea (里海) is the deepest of all the salt lakes. The max depth is 1,025 meters (in the southern part). It lies in the border between Asia and Europe. The Sahara is about 9,600,000 square kilometers in size. Its the biggest dese

4、rt in the world. It is located in the northern Africa. Its climate conditions are very bad and is one of the earths most unsuitable area for biological survival. Match the facts you know. Qomolangma about 9,600,000 square kilometers in size The Sahara 1,025 meters deep The Caspian Sea 6,671 kilomete

5、rs long The Nile 8,844.43 meters high 1a1a 1b1b 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 Use

6、the information in 1b to make conversations. A: What is the highest mountain in the world? B: Qomolangma. 1c1c What is the longest river in the world? The Nile. The Sahara. What is the biggest desert in the world? number the facts 1-4 in the order _ The Yangtze River is about _ kilometers long and t

7、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 5,464 300 4 2 Make conversations using the information in 2a. A: Did you know that China is one of the oldest countries in the world? B: Yes, I did. Its

8、much older than my country. Role-play 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

9、longest wall in the world. Role-play the conversation. Tourist 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 other man-made objects as big as

10、 this. Tourist 3: Is Badaling part of the Ming Great Wall? Guide: Yes, its the most famous part. The tourists asked the guide some questions 1)_ the Great Wall tour. The most popular question is how long the wall is. If were only talking about the parts 2)_ the Ming Dynasty, its about 8,850 kilomete

11、rs long. This makes it the 3)_ wall in the world. on from longest Read 2d again and fill in the blanks. The main reason why the ancient emperors built the wall was to 4)_ their part of the country. There are no other man-made objects as big 5)_ this. Badaling is the most famous part of the Ming Grea

12、t Wall. protect as Read 2d again and fill in the blanks. 1. Qomolangma is 8,844.43 meters high. It is meters high (long, wide). 它它米高米高(长长,宽宽)。 英语中表示“英语中表示“有有多长多长(宽，高宽，高)”时”时，一般将数词，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。和数量单位放在表示长宽高的形容词前作状语。 e.g.这这座山高三千多米。座山高三千多米。 The mountain is more than three thousand meters

13、high. e.g.这这座绿色长城长座绿色长城长7,000公里。公里。 The Green Great Wall is 7,000 kilometers long. 2. China has the biggest population in the world. (1) population：意为“人口数量”，“人口”，是一个 集合名词 。表示人口“多”要用large 或big；表示人口 “少”要用small。 e.g. China has the largest population in the world. 中国是世界上人口最多的国家。 2. China has the biggest

14、 population in the world. (2) population常与定冠词the连用， 作主语用时，谓语动词 常用第三人称单数形式。 e.g. The worlds population is increasing faster and faster. 全世界的人口增长得越来越快。 2. China has the biggest population in the world. (3) 当主语是表示“人口的百分之几、几分之几”时，谓语动词 用复数形式 。 eg:中国大约有百分之七十的人口是农民。 About seventy percent of the population

15、in China are farmers. 2. China has the biggest population in the world. (4) 询问某国、某地有多少人口时，“How large.?”; 在问具体人口数时用“Whats the population of .?”。 e.g. 你们家乡有多少人口? How large is the population of your hometown? e.g. 加拿大的人口数是多少？ What is the population of Canada? 3. Its much older than my country. much old

16、er意意为为“古老得多”“古老得多”。在。在形容形容词或者副词词或者副词比较级前比较级前 可以用可以用much, far, even, a little, still, a lot等等修饰词表示程度。修饰词表示程度。 e.g.他他比我跑得更快。比我跑得更快。 He runs even faster than me. e.g.日本日本土地面积只比德国大一点儿。土地面积只比德国大一点儿。 Japan is a little larger than Germany in area. 4. Feel free to ask me anything on todays Great Wall tour.

17、在在今天的今天的长长城游城游中，大中，大家尽家尽管管问我任何问我任何问问题，不要拘题，不要拘束束。 feel free是英语是英语口口语中一个常用表达。语中一个常用表达。若若有人让你有人让你feel free to do sth.，就是就是让你无需拘束，只管按照自己的意愿去做某事。让你无需拘束，只管按照自己的意愿去做某事。 e.g. A: Can I use your bathroom?我可以用一下你的卫生间吗？我可以用一下你的卫生间吗？ B: Yes, feel free. 可以可以，请随意。，请随意。 e.g. Feel free to contact me if you still ne

18、ed any help. 如果还需要帮忙，尽管联系我。如果还需要帮忙，尽管联系我。 5. How long is the wall? 长城长城有多长？有多长？ How long/ How high/How deep/How far? 多长多长/多高多高/多深多深/多远多远? Its aboutmeters/kilometers long. as far as I know是一个固定的表达方式，还可以说是一个固定的表达方式，还可以说so far as I know，意思是“据我所知”。，意思是“据我所知”。 e.g. As far as I know, he will be away for t

19、hree months. 据据我所知我所知, 他将离开三个月。他将离开三个月。 e.g. Theyre not coming today, so far as I know. 他们他们今天不来了，就我所知是这样的今天不来了，就我所知是这样的。 6. As far as I know, there are no man-made objects as big as this. 1. Mary is shorter than_ girl in her class. A. another B. any C. any other D. others 2. Badaling is_ part of th

20、e Ming Great Wall. A. famous B. more famous C. most famous D. the most famous 3. Yao Ming is_ taller than Kobe. A. more B. much C. a lot of D. less 4. The population of Shanghai is _ than that of Guiyang. A. smaller B. larger C. less D. large 5. _ the population of the town? Over 20,000. A. What are

21、 B. How many are C. What is D. How many is C D 一、单项填空一、单项填空 B B C 1. 据我所知，他据我所知，他有一个妹妹有一个妹妹。 2. 这条河长三百米。这条河长三百米。 3. 这个省份的人口有一千万。这个省份的人口有一千万。 4. 如果如果有问题的话，可以随便问有问题的话，可以随便问。 5. 这这块桌布有多宽？块桌布有多宽？ 二、翻译二、翻译下列句子。下列句子。 As far as I know, he has a little sister. This river is 300 meters long. The population o

22、f this province is ten million. Feel free to ask if you have any questions. How wide is this table cloth? Key points: It is meters high (long, wide). Whats the population of .? much, far, even, a little, a lot +形容词形容词/副词比较级副词比较级 Feel free to do sth. How long/ How high/How deep/How far? as far as I know 1. To memorize the important phrases and sentences. 2. Listen to the tapes twice. 3. Practice the conversation 2d. Homework