人教英语八下Unit7第1课时（SectionA 1a-2d）

1、Unit 7 Whats the highest mountain in the world? Section A 1a-2d Warming upPre-listeningWhile-listeningPost-listeningExercises SummaryHomework 人教版 英语 八年级下册 Learning goals 1. Curriculum words: square, meter, deep, desert, population, Asia, tour, tourist, wall, amazing, ancient, protect, wide, man-made

2、 2. Useful expressions: feel free, as far as I know, in size 3. Functions：Talk about geography and nature 4. Grammar: Larger numbers; Comparatives and superlatives with adjectives and adverbs 5. Sentences：The Yangtze River is about 6,300 kilometers long. Qomolangma is higher than any other mountains

3、 in the world. China has the biggest population in the world. Warming up Can you read these large numbers? 9,600,000 1,025 6,671 8,844.43 nine million six hundred thousand one thousand and twenty-five six thousand six hundred and seventy-one eight thousand eight hundred and forty- four point four th

4、ree Warming up What are these descriptions for? 9,600,000 1,025 6,671 8,844.43 square kilometers in size meters deep kilometers long meters high 平方千米 meter n. 米; 公尺 adj. 深的；纵深的 （面积、体积等）大小 land sea river mountain Some famous places in the world Qomolangmathe Nile the Caspian Seathe Sahara Warming up

5、Warming up 珠穆朗玛峰是世界海拔最高的山峰，高度为8844.43米。 Qomolangma Warming up the Nile 尼罗河长6671千米，是世界上最长的河流。 Warming up the Caspian Sea 里海虽称海，但却是一个巨大的内陆咸水湖，是世界 上最大的湖泊。 Warming up the Sahara 撒哈拉沙漠形成于约250万年前，是世界上最大的沙 质荒漠。 Pre-listening Match the facts you know.1a QomolangmaAbout 9,600,000 square kilometers in size Th

6、e Sahara1,025 meters deep The Caspian Sea6,671 kilometers long The Nile8,844.43 meters high Pre-listening MountainRiverSea/LakeDesert Feature Most Least height Fill in the table. highest/tallest lowest/shortest length longest shortest depth deepest shallowest area biggest smallest While-listening 1.

7、 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. Listen and complete the sentences.1b higher the biggest the deepest the longest n. 沙漠 While-listening Listen and read. Te

8、acher: Yesterday, we learned some important geographical facts. I hope you all still remember them. Im going to test you now by asking a few questions. First, whats the highest mountain in the world? Boy 1: Qomolangma! Its higher than any other mountain in the world. Teacher: Thats right. And who ca

9、n tell me what the Sahara is? Girl 1: The Sahara is the biggest desert in the world. Teacher: Very good. And which is the deepest salt lake in the world? 地理事实 While-listening Girl 2: The Caspian Sea is the deepest of all the salt lakes. Teacher: Youre all so smart! Now, for the last question, which

10、is the longest river in the world? 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+形容词最高级 第几的 Language points 1. 长、宽、高、深、面积的表达方法 The river is

11、20 meters wide. = The river is 20 meters in width. 基数词 + 单位词 + 形容词（long, wide, high, deep等） 基数词 + 单位词 + in + 名词（length, width, height, depth, size等） Post-listening 【拓展延伸】作定语时用合成词“数词 - 单位词单数 形容词”。 This 20-meter-long rope isnt long enough to help climb the mountain. Language points 2. Qomolangma is hi

12、gher than any other mountain in the world. (教材 P49 1b) Post-listening 比较级 + than any other + 可数名词单数Point 该结构意为“比其他任何一个都”，指同 一范围内比较，表示最高级含义。 She is thinner than any other student in her class. = She is the thinnest in her class. other必不可少，用以将主语从比较对象中 排除，避免逻辑矛盾。 Post-listening 【特别提醒】如果比较对象不在同一范围内或不属于同

13、一类别，应 用“形容词/副词比较级 + than any（任何的） + 可数名词单数”。 The Pacific Ocean is larger than any lake in the world. 练一练 Hulunbuir is bigger than _ city in China. Hulunbuir is bigger than _ city in Anhui. any other any Post-listening 点击，播放视频 Post-listening Use the information in 1b to make conversations.1c Qomolang

14、ma. What is the highest mountain in the world? Post-listening Think of other objects that are high, big, deep or long and describe them. I live in the highest building in the city. We have the biggest field of all the high school in town. Helen has the longest hair in the class. Post-listening 1,000

15、 30,000 9,600,000 1,025 6,6711,000,6 8, 8886,000 800 54656513 Read the missing number quickly. What is the largest/smallest number in the game? Game Pre-listening 6300, 5000, 5465, 300, Read the numbers. six thousand and three hundred five thousand five thousand, four hundred and sixty-five three hu

16、ndred While-listening Listen and number the facts 1-4 in the order you hear them. 2a 6,3005,0005,464300 _ 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 i

17、s 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. 4 2 1 3 n. 亚洲 长江 Listen again and fill in the blanks in 2a with the numbers in the box. 2b While-listening 6,3005,0005,464300 _ The

18、 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

19、st as big as the US, and it is the biggest country in Asia. 6,300 2 1 3 5,464 5,000 300 4 基数词 + 单位词 + 形容词 Listen and read. Mike：Hi, Im Mike. Im from the United States. Boy： Welcome to our class, Mike. Were happy to meet you. Mike：Can you tell me a bit more about China? Girl： Sure! Did you know that

20、China is one of the oldest countries in the world? Its over 5,000 years old. Mike：Yes, I did. Its much older than my countryin fact, the United States is one of the youngest countries in the world. Its not even 300 years old. While-listening Boy： And China has the biggest population, too. Its a lot

21、bigger than the population of the United States. Mike：But China is about the same size as the US, right? Girl： Yes, and its the biggest country in Asia. We also have some famous rivers. The Yangtze River is the longest river in Asia. Its about 6,300 kilometers long. Mike：Wow! I didnt know that. I th

22、ought the Yellow River was longer. Boy： No, the Yellow River is 5,464 kilometers long. But both rivers are very important to China. While-listening Language points 3. China has the biggest population in the world. (教材 P50 2a) Post-listening population n. 人口；人口数量Point population 是集体名词，在句中作主语时，谓语 动词用单

23、数形式。 The population of the world continues to increase, but in some areas the population is falling. Post-listening 表示有多少人口时，用“have/has a population of + 数词”，或 “the population of is + 数词”。 China has a population of about 1.4 billion. = The population of China is about 1.4 billion. 询问人口多少时，用“What is

24、the population of ?”或“How large is the population of ?”。 What/How large is the population of Henan Province? Post-listening 表示人口多少时，用 big/large 或 small 修饰，而不能用 many，much 或 few 等。 India has a large population. 类似的，表示 price（价格）高低，用 high 或 low， 不能用 expensive 或 cheap；表示 temperature（温度） 高低，用 high 或 low，不

25、能用 hot 或 cold。 Post-listening Make conversations using the information in 2a.2c Did you know that China is one of the oldest countries in the world? Yes, I did. Its much older than my country. Post-listening Read the conversation in 2d and answer the questions. 1. What is the conversation about? Its

26、 about a tour to the Ming Great Wall. 2. How long is the Ming Great Wall? Its about 8,850 kilometers long. 3. What does the guide say about the wall? Its quite tall and wide. Its the longest wall in the world. There are no man-made objects as big as this. Guide: Feel free to ask me anything on today

27、s 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. Tourist 2: Wow, thats amazing! Why did the ancient emperors build the w

28、all? Post-listening （可以）随便（做某事）,其后接动词不定式。 n. it is about _. A. How many; 1,400 millionB. What; 1,400 million C. What; 140 millionD. How many; 140 million （安徽中考） The 5G technology can help doctors treat patients who are hundreds of kilometers away. Its really _. A. secretB. directC. amazingD. traditi

29、onal Exercises 一、单项选择 B1 2 C （潍坊中考）_I know, more and more people in the world are learning Chinese. A. As well as B. As often as C. As soon as D. As far as The Yangtze River is about _. A. 6300 kilometer long B. 6300 kilometers long C. 6300-kilometer long D. 6300 kilometers long The girl is _ than any other girl in her class. A. more beautiful B. the most beautiful C. beautiful D. much beautiful Exercises D 3 4 B 5A Hangz