Unit 7 Section A 1a – 2d 课件 2024-2025学年人教版英语八年级下册

What's the highest mountain in the world? Unit 7 Period 1 Section A (1a – 2d) square meter adj. 平方;正方形的 n. 正方形;广场 ① an area of 36 square meters 36平方米的面积 ② a square room 正方形的房间 ③ Tian'anmen Square 天安门广场 6 meters 6 meters n. ( = metre) 米;公尺 deep adj. 深的;纵深的 desert n. 沙漠 population n. 人口;人口数量 表示人口的"多少"用big(或large)和small来修饰。 big/large population 人口众多 small population 人口较少 Asia n. 亚洲 Asia /'e / Europe Africa Antarctica / n't :kt k / Oceania North America South America 相关词汇: Asian adj. 亚洲的 n. 亚洲人 Feel free to ask questions if you don't understand. 你要是不懂,可以随便提问。 feel free (可以)随便(做某事) tour tourist n. & v. 旅行;旅游 take a tour 去旅行 n. 旅行者;观光者 相关词汇:tourism n. 旅游业; 观光业 the Great Wall 长城 wall n. 墙 ancient history 古代史 ancient adj. 古代的;古老的 amazing adj. 令人大为惊奇的; 令人惊喜(或惊叹)的 ① protect the environment 保护环境 ② protect sth. from sth. 保护某物免受某种伤害或损害 In summer, people wear sunglasses to protect their eyes from the strong sunlight . 夏天,人们戴太阳镜来保护眼睛免受强烈 的阳光照射。 protect v. 保护;防护 a wide river 宽阔的河 wide adj. 宽的;宽阔的 as far as I know 就我所知 man-made adj. 人造的 What's the highest mountain in the world? Section A1 (1a - 2d) highest是形容词high的最高级形式,表示“最高的”。我们常常在单音节形容词后面加-est表示最高级。 形容词的最高级前面一般要加定冠词the。 Unit 7 1. _ is the highest mountain in the world. A. Qomolangma B. Kangchenjunga C. Lhotse 2. _ is the biggest desert in the world. A. Taklimakan Desert B. The Gobi Desert C. The Sahara 3. _ is the deepest salt lake in the world. A. Caspian Sea B. Lake Michigan C. Lake Superior 4. _ is the longest river in the world. A. Amazon River B. Nile River C. Yangtze River 5. _ is the longest river in both China and Asia. _ is the second longest river in China. A. The Yellow River, the Yangtze River B. The Yangtze River, the Yellow River / t m l m / / g bi/ /s h r / / k sp n/ / m g n/ /su p ri (r)/ / m z n/ /na l/ /'j z / / k nt n d / / t k'l m k n/ Match the facts you know. 1a P49 Qomolangma The Sahara The Caspian Sea The Nile about 9,000,000 square kilometers in size 1,025 meters deep 6,671 kilometers long 8,848.86 meters high Read the numbers first. nine million one thousand and twenty-five six thousand six hundred and seventy-one eight thousand eight hundred and forty-eight point eight six 1: 1—12: (one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve) 2: 13—19: -teen (thir-, fif-, eigh-) 3: 20—90: -ty (twen-, thir-, for-, fif-, eigh-) 4: 21—99: 十位 _ 个位 5: 100, 200, ... 900: _ hundred 6: 101—999: _ hundred and _ 个位 十位 _ _ 个位 7: 多位数: _ billion (十亿), _ million (百万), _ thousand, _ hundred and 个位 十位 _ _ 个位 _ Match the facts you know. 1a P49 Qomolangma The Sahara The Caspian Sea The Nile about 9,000,000 square kilometers in size 1,025 meters deep 6,671 kilometers long 8,848.86 meters high 英语中长、宽、高等表达方法1: 数词+度量词(度量单位词)+形容词(long/wide/ high/deep/old/tall/thick等)。 在(面积、体积等)大小方面;在尺寸上 Listen and complete the sentences. 1b 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. P49 higher the biggest the deepest the longest 听 力 原 文 三者或三者以上的比较,我们用最高级,常有“ ... + be + the +形容词最高级”这样的结构。其中形容词最高级前通常用the;句末常带of/in … 来说明比较的范围。 "the+序数词+形容词的最高级" 表示"第……最……的"。 "比较级+than any other+单数可数名词+其他"表示"比其他任何一个……都……" 注:该结构可与"the+最高级+其他"相互转换。 1. _ is the highest mountain in the world. It's _ high. Qomolangma 8,848.86 meters 2. _ is the biggest desert in the world. It's about 9,000,000 _ in size. The Sahara square kilometers 3. The Caspian Sea _ salt lake in the world. It's 1,025 meters _. the deepest deep 4. _ is the longest river in the world. It's _ long. The Nile 6,671 kilometers 5. The Amazon is _ river in the world. the second longest Use the information in 1b to make conversations. 1c A: What is the highest mountain in the world? B: Qomolangma. P49 What geographical facts about China do you know? _ The Yangtze River is about _ kilometers long and the Yellow River is _ kilometers long. _ China is over _ years old. It has a much longer history than the US. The US is not even _ years old. _ China is bigger than the US, and it is the biggest country in Asia. Look and get the main fact of each sentence. _ The Yangtze River is about _ kilometers long and the Yellow River is _ kilometers long. _ China is over _ years old. It has a much longer history than the US. The US is not even _ years old. _ China is bigger than the US, and it is the biggest country in Asia. Listen and number the facts [1-3] in the order you hear them. 2a P50 1 3 2 Listen again and fill in the blanks in 2a with the numbers in the box. 2b P50 _ The Yangtze River is about _ kilometers long and the Yellow River is _ kilometers. _ China is over _ years old. It has a much longer history than the US. The US is not even _ years old. _ China is bigger than the US, and it is the biggest country in Asia. 1 3 2 6,300 5,000 5,464 300 6,300 5,464 5,000 300 1 2 3 听 力 原 文 Attention "Did you know" is more polite than "Do you know" here. This sentence means: 1. It's OK if you didn't know, because I can share the information with you. 2. You might already know, but it doesn't matter because I can still share the information with you and we can talk about it more. We are talking about sth. that is always or generally true, i.e. facts, so we use the simple present here. e.g. The teacher said there are 1,440 minutes in a day. “one of+the+形容词最高级+复数名词”表示在某一范围内“最……的……之一”。 _ is the longest river in both China and Asia. The Yangtze River _ is the second longest river in China. The Yellow River Make conversations using the information in 2a. 2c P50 China is over _ years old. It has a much longer history than the US. The US is not even _ years old. China is bigger than the US, and it is the biggest country in Asia. The Yangtze River is about _ kilometers long and the Yellow River is _ kilometers. 6,300 5,464 5,000 300 1. What's the conversation about? 2. What do you know about the Great Wall? It's about a tour to the Great Wall. 30 30 Guide: Feel free to ask me anything on today's Great Wall tour. Tourist 1: How long is the wall? Guide: Ah, the most popular question! If we're only talking about the parts from the Ming Dynasty, it's about 8,850 kilometers long. This makes it the longest wall in the world. Tourist 2: Wow, that's 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, it's quite tall and wide. As far as I know, there are no other man-made objects as big as this. Tourist 3: Is Badaling part of the Ming Great Wall? Guide: Yes, it's the most famous part. Listen and read. 2d (可以)随便做某事 popular的最高级为most popular,表示“最受欢迎的”。 长约8850公里 long的最高级为longest,表示“最长的”。 主要原因是…… 如你所见 又高又宽,quite意为“相当” 就我所知 和……一样……,表示 同级的比较。基本结构为 as + adj. / adv. (原形) + as。 如:I'm as tall as him. 我和他一样高。 famous的最高级为most famous,表示“最著名的”。 形容词最高级前通常用the。 P50 没有其他的 31 31 Read and answer the questions below. 1. How long is the Ming Great Wall? It's about 8,850 kilometers long. The main reason was to protect their part of the country. Yes, it's the most famous part. 2. Why did the ancient emperors build the wall? 3. Is Badaling part of the Ming Great Wall? 1. (可以)随便做某事 2. 最受欢迎的问题 3. 世界上最长的墙 4. 最著名的部分 5. 长约8850公里 6. 主要原因是…… 7. 又高又宽 8. 就我所知 9. 没有其他的…… 10. 和……一样…… Translate the following expressions. feel free to do sth. the most popular question the longest wall in the world the most famous part about 8,850 kilometers long The main reason is/was to ... quite tall and wide as far as I know as + adj. / adv. + as no other … role-play the conversation. Guide: _. Tourist 1: How long is the wall? Guide: Ah, the most popular question! If we're only talking about the parts from the Ming Dynasty, _. This makes it the longest wall in the world. Tourist 2: Wow, that's amazing! _ _? Guide: The main reason was to protect their part of the country. As you can see, it's quite tall and wide. _, _ _. Tourist 3: Is Badaling part of the Ming Great Wall? Guide: _, _. Feel free to... it's about ... Why did...; build the wall there are ...; as big as 珠穆朗玛峰比世界上其他任何山峰都高。 ① Peter runs faster than any other student in his class. 比较级 + than + any other + 单数可数名词 意为"比其他任何……都还……",其实它表达的意思是"最……"。 ② He is taller than any other student in his class. 他比班上任何其他学生都高。 1. Qomolangma is higher than any other mountain in the world. 彼得跑得比他班里的其他任何同学都要快。 它比我的国家古老得多。 ① It is much colder today than it was yesterday. much + 比较级 "更……;……得多 ",在形容词比较级前可以用much, a little, a lot等修饰词表示程度。 ② The new table is a little larger than the old one. 新桌子比旧桌子大一点。 2. It's much older than my country. 今天比昨天冷得多。 I felt much _ after I told the problems to my close friend. A. good B. well C. better D. best 1. Match the facts you know. 2. Listen and get the geographical facts about the four places. 3. Listen and get the some facts about China. 4. Role-play the conversation in 2d. 1. My brother Michael is 1.8 _(meter) tall. 2. The new street is much _(wide) than the old one. 3. Every year thousands of _(tour) come to the city for a visit. 4. It was an _(amaze) performance and I wanted to watch it again. 5. The scientists say this is one of the _ (ancient) plants on the earth. I. 用括号内所给单词的适当形式完成句子。 meters wider tourists amazing most ancient Some 1. _ are visiting the Great Wall. The tour guide is telling them some information about it. The Great Wall is the 2. _ wall in the world. The parts from the Ming Dynasty are about 3. _ kilometers long. Badaling is the most 4. _ part of the Ming Great Wall. The main reason why the 5. _ emperors built the wall was to 6. _ their part of the country. The wall is quite tall and 7. _. There are no other man-made 8. _ as big as it. II. 根据2d对话内容,完成下面的短文。每空一词。 tourists longest 8,850 famous ancient protect wide objects A: Mom, could you please help me with my geography homework? B: Yes, sure. A: 1._? Is it the Arabian Desert (阿拉伯沙漠)? B: No, it is the second biggest in the world. The Sahara is the biggest. A: I see. 2._? B: It's about 9,320,000 square kilometers in size. A: It's really big. 3._? B: Yes, of course there are. And the Taklimakan Desert (塔克拉玛干沙 漠) is bigger than any other desert in China. A: 4._? B: It is in Xinjiang. A: 5._. B: Good idea. A trip to the desert could be interesting. III. 根据上下文提示,在横线上填入合适的句子补全对话。 What is the biggest desert in the world How big is the Sahara Are there any deserts in China Where is it I hope we can take a trip there 1. Can you get the the geographical facts about the four places while listening the conversation in 1b? 2. What facts about China are mentioned in 2a and 2b? Can you talk about the facts with your partner? 3. Can you role-play the conversation in 2d? 1. Write down the facts you learnt from this class. 2. Try to find more geographical facts and write them down. $$