Unit 7 Section A(3a-4c) 课件 2024-2025学年人教版八年级英语下册

nullnull Unit 7 What’s the highest mountain in the world? Section A（3a-4c) Watch a video 知识能力： 1 2 【学习目标】 文化品格： 3 1 Important words：ocean,achievement,thick,include,condition,succeed,achieve,force,nature Important phrases：take in,in the face of,achieve one's dream,even though,the Pacific Ocean Important sentences： 1.One of the world's most dangerous sports is mountain climbing. 2.One of the main reasons is that people want to challenge themselves in the face of difficulties. 学生能够运用比较级和最高级叙述自己生活中的事情。 One of the most popular places to go for mountain climbing is the Himalayas. the Himalayas Mountain climbing is very dangerous. Why? many serious difficulties thin air (hard to air) take in (吸入) thick snow heavy storms freezing weather conditions include A 预报 B 状况 C 恶劣 The forces of nature are very strong. Climbers: brave take risks risk their lives challenge never give up spirit 3a Read the article and match each paragraph with the main ideas. Paragraph1 Spirit of climbers Paragraph2 Achievements of climbers Paragraph3 Facts and dangers 3b Read the article again and complete the chart. Paragraph 1 Paragraph 2 Paragraphs 1&3 List four dangers for climbers List three achievements List four comparisons thick clouds 1953—Tenzing Norgay and Edmund Hillary were the first to reach the top most dangerous sport snow, freezing weather conditions and heavy storms 1960—the first Chinese team didso 1975—the first woman to succeed the popular places the highest mountain the most famous 3c Answer the questions using information from the article. 1. Where are the Himalayas? 2. How high is Qomolangma? 3. Why do so many people try to climb this mountain even though it is dangerous? 4. What does the spirit of the climbers tell us? They run along the southwestern part of China. 8,844.43 metres high. Because people want to challenge themselves in the face of difficulties. We should never give up trying to achieve our dreams. One of the most ___________ sports in the world is mountain _________, and one of the most _________ places to go for this is the Himalayas. These extremely high _______ attract _________ from all over the world. Many people say this is one of the most ________ parts of the world. According to the passage, fill in the blanks. dangerous climbing popular risk climbers famous The Himalayas _______ along the ____________ part of china. Of all the mountains, Qomolangma rises the _________ and is the most _________. It’s _____________ to climb Qomolangma because thick clouds _______ the top of the mountain. Even more serious ___________ include freezing ___________ conditions and the _______ storms. run southwestern highest famous the hardest cover difficulties weather heavy The first _________ to reach the top of Qomolangma – Tenzing Norgay and Edmund Hillary – did it in 1953. The first Chinese team __________ the top in 1960, and in 1975, the first __________ did it too. people reached woman Grammar Focus What's the highest mountain in the world? Qomolangma. How high is Qomolangma? It's 8,844.43 meters high. It's higher than any other mountain. Which is the deepest salt lake in the world? The Caspian Sea is the deepest of all the salt lakes. Did you know that China is one of the oldest countries in the world? Yes, I did. It's much older than the US. 语法探究 形容词和副词的比较级和最高级 三者或三者以上相比，表示最高程度时，用“the + 最高级”的结构表示。这种句式一般常有表示比较范围的介词短语。例如： Zhang Hua is the tallest of the three. He works (the) hardest in his class. 形容词和副词的比较级和最高级（规则变化） 单音节词和少数多音节词 一般在词尾加-er 或-est 原级 比较级 最高级 high strong fast slow higher highest stronger strongest faster fastest slower slowest 以字母e结尾的词，加-r 或-st 原级 比较级 最高级 fine cute large finer finest cuter cutest larger largest 以“辅音字母+y”结尾的双音节词，先改“y”为“i”，再加-er或-est 原级 比较级 最高级 easy lucky early easier easiest luckier luckiest earlier earliest 重读闭音节，单辅音结尾的，双写这个辅音字母 加-er 或 -est的词： 原级 比较级 最高级 fat fatter fattest thin thinner thinnest hot hotter hottest red redder reddest wet wetter wettest big bigger biggest 多音节词和部分双音节词在词前加more或most 原级 比较级 最高级 delicious interesting easily carefully more delicious most delicious more interesting most interesting more easily most easily more carefully most carefully （不规则变化） 原级 比较级 最高级 good/well bad/badly many/much little far better best worse worst more most less least farther farthest further furthest 4a Fill in the blanks with the correct forms of the words in the box. big much popular long old high The Amazon River is one of the _______ rivers in the world. It’s a little _____ than the Yangtze River. Qomolangma is 8,848.43 meters _____. It’s one of the most ________ places for serious mountain climbers. longest longer high popular 3. No ocean in the world is as ___ as the Pacific Ocean. 4. Although Japan is _____ than Canada, it is _____ smaller. big older much 4b Write two comparisons about two topics. Write true facts. Two cities: Singapore and Kuala Lumpur. Kuala Lumpur is as modern as Singapore. Singapore is bigger than Kuala Lumpur and has a larger population than Kuala Lumpur. Two animals: Monkey and Dog A dog is bigger than a monkey. A monkey is smaller than a dog, but it climbs a tree faster than a dog. 4c Pair work Write five questions using comparisons. Then ask your partner your questions. What is the highest building in our city? What is the largest shopping mall in our city? Which is the biggest park in our city? Which is the longest road in our city? What’s the biggest city in China? ... One of the world’s most dangerous sports is mountain climbing, … “one of + the + 形容词的最高级 + 复数名词”，意为“最……之一”。如： Miss Wang is one of the most popular teachers in our school. 王老师是我们学校最受欢迎的老师之一。 【探究·导学】 2. It is also very hard to take in air as you get near the top. It is + adj. + to do sth.， it作形式主语 放在句首，而把真正的主语放在句 尾。常用于此句型的形容词有 important， difficult， dangerous， necessary， useful， possible等，用 来对to do sth. 进行说明。此句型可以 转换成To do sth. is + adj.。 3. Even more serious difficulties include freezing weather conditions and heavy storms. difficulty 既可作可数名词也可作不可 数名词。 e.g. It is important to study English well. 学好英语很重要。 It’s very difficult to climb Qomolangma. 攀登珠穆朗玛峰很难。 作可数名词时通常用复数，表示具体概 念，即：各式各样的 “困难，难题，难 事”，如： He’s having financial difficulties. 他正手头拮据。 作不可数名词时，译作“困难，艰难，幸 苦”，如： She had great difficulty in understanding him. 她很难理解他说的话。 4. The spirit of these climbers shows us that we should never give up trying to achieve our dreams. give up 意为“放弃”，后面可以接名词、代词或v-ing形式作宾语。 注意：如果其宾语是名词，那么名词可 以放在 give 和 up 之间，也可以放在 up 之后；如果其宾语是代词，那么代词只 能放在 give 和 up 之间。如： My uncle wants to give up drinking wine. 我叔叔想戒酒。 Although English isn’t easy to learn, I won’t give it up. 虽然英语不易学，但我不会放弃。 5. Why do so many people try to climb this mountain even though it is dangerous? even though 用作从属连词，意为“即使； 尽管”，相当于even if，引导让步状语从 句，一般不与并列连词but连用。如： Mr Wang will come on time even though it rains. 尽管下雨，但王老师会按时来。 比较级的用法 “A + 谓语动词 + 形容词/副词比较级+than + B”。 表示“A比B……”。 “the + 形容词比较级 + of the two ...”表示“两者中较……的”。 “比较级+and+比较级”表示“越来越……”。 “the+比较级，the+比较级”表示“越……，越……”。 “特殊疑问词 + 谓语动词 + 形容词比较级，A or B”。 可以修饰比较级的词：much，a lot，far，a little，a bit，even，still等。 比较级和最高级的用法 最高级的用法 “主语 + 谓语动词 + the + 形容词/副词最高级 + 单数名词 + in/of短语”表示“……中最……的”。 “特殊疑问词 + 谓语动词 + the + 形容词/副词最高级，A，B or C？”。 “one of + the + 形容词最高级 + 名词复数”表示“最……的之一”。 4. “the + 序数词 + 形容词最高级 + 名词单数”表示“第几最……”。 原级比较 只能修饰原级的词：very，quite，so，too。 “as + 形容词/副词原级 + as”结构。 “not + as/so + 形容词/副词原级 + as” 【课堂小结】 第一章 34 单击此处编辑母版文本样式 第二级 第三级 第四级 第五级 1.完成句子 1.那条河有两米多深。 The river is more than _________________ 2 据我们所知，我们学校有100多年的历史了。 _________________ ，our school has a history of more than 100 years old. 3.长江是中国最长的河流。 The Yangtze River is ___________________ river in China. 4.这本书和那本书一样厚。 The book is ___________ that one. 5.我们国家的人口比俄罗斯的人口多多了。 The population of our country is _________________ than that of Russian. two meters deep. As far as we know longer than any other as thick as a lot bigger/larger 【训练·评价】 The longest journey begins with the first step. 千里之行,始于足下。 $$