英语八年级下册Section A完美版ppt课件

这是一份英语八年级下册Section A完美版ppt课件

What's the highest mountain in the world？初中英语 / 人教版 / 八年级下册Unit 7Period 1Section A (1a-2d)Lead-in Have you been to the Great Wall and Qomolangma? They are really fun and amazing！The biggest desert: the Sahara9,600,000 square kilometersThe deepest :the CaspianSea 1,025 meters deepThe longest river: the Nile 6,671kilometers long Have you explored the following places？Lead-in Qomolangma[tʃəuməu lɑ:ŋmə]珠穆朗玛峰 Qomolangma runs along the border between China and Nepal（尼泊尔） .It is covered with snow all the year round. It’s 8,844.43 meters high. It’s the highest mountain in the world. It’s 26 kilometers long. zxxkPre-listening The Nile is the longest river in the world. It’s about 6,671 kilometers long. It is in Africa and runs into the Mediterranean [meditə reinjən] Sea(地中海) in the end. The Nile [naɪl] 尼罗河Pre-listeningThe Caspian Sea[kæspiən]里海 The Caspian Sea is the deepest lake of all the salt lakes(所有的咸水湖中) in the world. It’s 1,025 meters deep (深).It lies in 位于the border(边界 )between Asia(亚洲) and Europe(欧洲).Pre-listening The Sahara is the biggest desert in the world. It’s about 9,600,000 square kilometers平方公里 in size .It is located in(坐落在 )the northern Africa非洲北部. The climate conditions (气候条件)are very bad. The Sahara[sə'hɑ:rə]  撒哈拉沙漠Pre-listening1aMatch the facts you know.Pre-listeningListen and 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.higherthe biggestthe deepestthe longestListening skills: before listening ,read and try to predictListening观察与思考14 years old8,844 meters high9,600,000 square kilometers in size 1,025 meters deep6,300 kilometers longNumeral +noun + adjective 数词+名词+形容词ListeningA: What is the highest mountain in the world?B:QomolangmaA:How high is it?B:It’s 8,844.43 meters high.biggest/deepest/longestbig/deep/long1cUse the information in 1b to make conversations.TalkingListen 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. It’s 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 big as the US, and it is the biggest country in Asia.4213 n. 亚洲 长江ListeningListen again and fill in the blanks in 2a with the numbers in the box.____ The Yangtze River is about ________ kilometers long and the Yellow River is __________ kilometers long.____ China has the biggest population in the world. It’s a lot bigger than the population of the US.246,3005,4646,300 5,000 5,464 300Listening____ 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, and it is the biggest country in Asia.135,000300Listen again and fill in the blanks in 2a with the numbers in the box.Listening Listen and read.Mike：Hi, I’m Mike. I’m from the United States.Boy： Welcome to our class, Mike. We’re happy to meet you.Mike：Can you tell me a bit more about China?Girl： Sure! Did you know that China is one of the oldest countries in the world? It’s over 5,000 years old.Mike：Yes, I did. It’s much older than my country—in fact, the United States is one of the youngest countries in the world. It’s not even 300 years old.Boy： And China has the biggest population, too. It’s a lot bigger than the population of the United States.Mike：But China is about the same size as the US, right?Girl： Yes, and it’s the biggest country in Asia. We also have some famous rivers. The Yangtze River is the longest river in Asia. It’s about 6,300 kilometers long.Mike：Wow! I didn’t know that. I thought the Yellow River was longer.Boy： No, the Yellow River is 5,464 kilometers long. But both rivers are very important to China. Listen and read.Make conversations using the information in 2a.Did you know that China is one of the oldest countries in the world?Yes, I did. It’s much older than my country.one of +the +adj.最高级+n.复数最……其中之一TalkingRole-play the conversation.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? （可以）随便（做某事）,其后接动词不定式。 n. & v. 旅行；旅游 n. 墙 adj. 令人大为惊奇的；令人惊喜（惊叹）的 adj. 古代的；古老的 n. 旅行者；观光者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. v. 保护；防护 adj. 宽的；宽阔的 据我所知 adj. 人造的不定式短语作表语Role-play the conversation.Read the conversation in 2d and answer the questions.1. What is the conversation about?It’s about a tour to the Ming Great Wall.2. How long is the Ming Great Wall?It’s about 8,850 kilometers long.3. What does the guide say about the wall?It’s quite tall and wide.It’s the longest wall in the world.There are no man-made objects as big as this. …Role-play the conversation.meterdeep desertpopulationAsiawalltourtourist【课标词汇】Language pointsancientprotect wideThe Great Wallthe Ming Dynastyfeel free; amazing; as far as I know; man-made; one of the oldest countries; as...as...; the same as.China has the biggest population in the world. It's a lot bigger than the population of the United States.① population 是集体名词，在句中作主语时，谓语动词用单数形式。The population of the world continues to increase, but in some areas the population is falling.Language points② 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.③ 询问人口多少时，用“What is the population of …?”或“How large is the population of …?”。What/How large is the population of Hebei Province?Language points④ 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，不能用 hot 或 cold。Language points2. Feel free to ask me anything on today’s Great Wall tour. tour在此处作可数名词，还可以作动词。They went on a tour around Europe last year. ( n.)We toured Italy for our holiday last year. ( v.)【拓展延伸】tour (v.) + 后缀 -ist → tourist (n.) 旅行者；观光者The tourists (n.) toured (v.) Hong Kong for holidays. They all enjoyed their tour (n.).tour n. & v. 旅行；旅游Language points3.As far as I know, there are no other man-made objects as big as this.句式分析：as big as this 在句中作后置定语修饰前面的主语other man-made objects 。As far as I know 据我所知= so far as I knowAs far as I can see 据我看Language points4. Wow, that’s amazing. amazing一般用于修饰事物，amazed（感到惊奇的）常用于修饰人。 be amazed at 意为“对……感到惊讶”。The amazing magic show made me feel so amazed.I’m amazed at my rapid progress.amazing adj. 令人大为惊奇的；令人惊喜（惊叹）的Language points【拓展延伸】以 -ing（令人……），-ed（感到……）结尾的形容词：interesting/interested, surprising/surprised, relaxing/relaxed, moving/moved, tiring/tired, boring/bored, exciting/excited, …Language points5. The main reason was to protect their part of the country.protect此处用作及物动词, protect… against/from…“保护……免于……”。protection作不可数名词，意为“保护；防卫”。Are we doing enough to protect the environment?He wears a scarf to protect himself against/from the strong wind.It’s parents’ duty to provide protection for their children.protect v. 保护；防护Language points1. Learn the words and phrases of this part by heart.2. Learn to use Comparatives and superlatives with adjectives and adverbsHomework谢谢观看