Unit4 Section A (2a-2e)（课件）2026-2027学年人教版英语八年级上册

该初中英语课件围绕人教版八年级上册Unit4“Amazing Plants and Animals”Section A (2a-2e)，聚焦最高级进阶句型、one of/the+序数词+最高级用法及动植物词汇。课堂通过古诗《竹石》、Think and say问题及视频导入，结合听力对话输入，用思维导图梳理信息，以角色扮演任务输出，构建从感知到应用的学习支架。 其亮点在于融合语言能力与文化意识，如借竹文化（中国画题材、象征美德）及蜀南竹海介绍，培养跨文化理解与家国情怀。采用任务型教学，如“竹海导游”角色扮演提升表达与思维品质，同步练习题分层设计及重难点总结，助力学生巩固知识，教师可高效开展教学。

人教版英语八年级上册精做课件 授课教师： . 班 级： 8年级（ ）班 . 时 间： . 2026年7月6日 Unit4 Section A (2a-2e) Unit 4 Amazing Plants and Animals 人教版八年级上册英语Unit4 Section A (2a-2e) 同步练习题 适用范围：人教版八年级上册 Unit4 Amazing Plants and Animals Section A 2a-2e 考查重点：最高级进阶句型、one of / the + 序数词 + 最高级用法、比较级与最高级转换、动植物拓展词汇、阅读细节辨析、观点表达句型 满分：100分 答题时间：40分钟 字数：约1200字 一、基础过关：核心单词与短语（20分） （一）根据句意及首字母/汉语提示写单词（每空2分，共10分） 1. This tree is the t________ (最高的) one in this mountain. 2. It is one of the m________ (最神奇的) plants in the world. 3. The desert is the driest and h________ (最热的) place on Earth. 4. We should ________ (欣赏) and protect all living things. 5. This kind of flower is the ________ (最稀少的) in our country. （二）英汉互译核心短语（每题2分，共10分） 1. one of the tallest trees ________________ 2. in the world / on Earth ________________ 3. 第二古老的城市 ________________ 4. 最干旱的地区 ________________ 5. 越来越神奇 ________________ 二、语法专项：最高级进阶用法（26分） （一）用所给单词适当形式填空（每题2分，共12分） 1. This is ________ (old) tree in our city. 2. It is one of ________ (wonderful) natural plants. 3. The Sahara is ________ (dry) desert in the world. 4. This animal is ________ (rare) than that one, so it is ________ (protected) of all. 5. Spring is ________ (good) season of the year. 6. He thinks this is ________ (amazing) story he has ever heard. （二）单项选择（每题2分，共14分） 1. This is the second ________ river in China. A. long    B. longer    C. longest 2. One of ________ tallest trees is in America. A. a    B. the    C. / 3. This place is ________ than any other place in this area. A. beautiful    B. more beautiful    C. the most beautiful 4. — Which is ________ animal, the tiger, the lion or the bear? — The tiger. A. strong    B. stronger    C. the strongest 5. The weather here is the ________ all year round. A. warmest    B. warmer    C. warm 6. I think nature is ________ than man-made things. A. fantastic    B. more fantastic    C. most fantastic 7. This is ________ unique plant I have ever seen. A. the most    B. more    C. much 三、句型转换与完成句子（24分） （一）句型转换（每题3分，共12分） 1. This tree is taller than any other tree in the forest.（改为最高级） This tree is ________ ________ ________ in the forest. 2. It is a wonderful plant.（改为最高级句） It is ________ ________ ________ plant in nature. 3. This desert is dry.（用in the world 改写最高级） This desert is ________ ________ in the world. 4. I think this flower is the most beautiful.（改为否定前移） I ________ ________ this flower is the most beautiful. （二）根据中文提示完成句子（每题3分，共12分） 1. 红杉树是世界上最高的树木之一。 Redwood trees are ________ ________ ________ ________ trees in the world. 2. 这是这座城市第二古老的公园。 This is ________ ________ ________ park in the city. 3. 撒哈拉沙漠是世界上最干旱的沙漠。 The Sahara is ________ ________ desert in the world. 4. 我认为大自然是最神奇的。 I think nature is ________ ________ ________ of all things. 四、完形填空（10分） Nature is full of amazing living things. There are many kinds of trees and plants on Earth. Redwood trees are 1 (tall) than most trees. They are one of 2 (big) and oldest trees in the world. Moss is 3 (old) than many plants. It grows slowly and quietly. The blue whale is 4 (large) animal on Earth, while the cheetah is 5 (fast) land animal. All of them make our world beautiful and lively. We must protect them well. 根据短文内容，选择最佳答案（每题2分，共10分） 1. A. tall    B. taller    C. tallest 2. A. the biggest    B. bigger    C. big 3. A. old    B. older    C. oldest 4. A. large    B. larger    C. the largest 5. A. the fastest    B. faster    C. fast 五、阅读理解（20分） Our planet has the most amazing natural wonders. There are thousands of special plants and animals. Redwood trees are one of the tallest trees on Earth. They can grow over 100 meters tall and live for more than 2,000 years. Moss is much smaller, but it is one of the oldest plants. It has lived on Earth for millions of years. The blue whale is the largest and heaviest animal. It is far bigger than any land animal. The cheetah is the fastest land animal. It can run faster than most cars. All these living things make our world the most beautiful place. People should stop hurting nature and learn to protect every living thing. 根据短文内容，选择最佳答案（每题4分，共20分） 1. How tall can redwood trees grow? A. Over 100 meters.    B. Over 200 meters.    C. Over 50 meters. 2. Which is one of the oldest plants on Earth? A. Redwood.    B. Moss.    C. Wheat. 3. What is the largest animal on Earth? A. The cheetah.    B. The tiger.    C. The blue whale. 4. Which of the following is TRUE? A. The cheetah runs very slowly. B. Redwood trees live a long life. C. Moss is a new kind of plant. 5. What is the writer’s advice? A. Grow more trees. B. Protect natural living things. C. Watch more animals. 六、参考答案与重难点总结 （一）参考答案 一、基础过关 1.（1）tallest （2）most wonderful （3）hottest （4）admire （5）rarest 2.（1）最高的树木之一 （2）在世界上/在地球上 （3）the second oldest city （4）the driest area （5）more and more amazing 二、语法专项 1.（1）the oldest （2）the most wonderful （3）the driest （4）rarer; the rarest （5）the best （6）the most amazing 2. 1.C 2.B 3.B 4.C 5.A 6.B 7.A 三、句型转换与完成句子 1.（1）the tallest tree （2）the most wonderful （3）the driest （4）don’t think 2.（1）one of the tallest （2）the second oldest （3）the driest （4）the most amazing 四、完形填空 1.B 2.A 3.B 4.C 5.A 五、阅读理解 1.A 2.B 3.C 4.B 5.B （二）本课重难点总结 1. 核心句型：① one of + the + 最高级 + 复数名词（最……之一）；② 序数词 + 最高级（第几最……）；③ 比较级表最高级：比较级 + than + any other + 单数名词。 2. 特殊变形：hot→hottest、rare→rarest、wonderful/amazing 多音节词加most。 3. 语法易错点：最高级必须带the；否定前移句型I don’t think… 为高频考点。 4. 阅读主旨：自然界动植物各有神奇之处，人类应尊重、欣赏并保护自然生物。 Read the poem and answer: 咬定青山不放松， 立根原在破岩中。 千磨万击还坚劲， 任尔东西南北风。 What kind of plant does it talk about? bamboo Does bamboo grow fast or slowly? Where is bamboo mainly grown? What things are made of bamboo? Do people eat bamboo besides pandas? Think and say Watch the video Ella: Oh, what’s that, Chen Jie? It’s so beautiful! Chen Jie: Thanks. It’s a folding fan. I bought it last year. Ella: Oh! It has a painting of bamboo on it. Chen Jie: Yeah. Bamboo is one of the most popular subjects in Chinese paintings. It’s a _________ of goodness in Chinese culture. Ella: I didn’t know that before. So, where did you get that fan? Chen Jie: At the Bamboo Sea in Sichuan, the _________ and ________ bamboo forest in China. I learnt lots of interesting things when I was there. Ella: Really? Like what? Chen Jie: Well, bamboo is one of the fastest-growing plants. Some bamboo can grow almost one metre in one day. Also, it’s one of the ____________ plants in the world. People can use it to build houses and make tools and instruments. Ella: Oh, that’s interesting. I remember pandas love to eat bamboo too, right? Chen Jie: Exactly! Actually we eat bamboo shoots too. They’re really delicious. Listen to the conversation and fill in the blanks. 2a symbol largest oldest most useful Oh, what’s that, Chen Jie? It’s so beautiful! Thanks. It’s a folding fan. I bought it last year. Oh! It has a painting of bamboo on it. Yeah. Bamboo is one of the most popular subjects in Chinese paintings. It’s a symbol of goodness in Chinese culture. I didn’t know that before. So, where did you get that fan? Ella: Chen Jie: Ella: Chen Jie: Ella: folding /ˈfəʊldɪŋ/ 折叠式的；可折叠的 yeah /jeə/ 是的；对 folding fan 折扇 popular /ˈpɒpjələ(r)/ 广受欢迎的；流行的 goodness/ˈɡʊdnəs/ 美德；营养 a symbol of ……的象征 Let’s learn! Chen Jie: Ella: Chen Jie: Ella: Chen Jie: At the Bamboo Sea in Sichuan, the largest and oldest bamboo forest in China. I learnt lots of interesting things when I was there. Really? Like what? Well, bamboo is one of the fastest-growing plants. Some bamboo can grow almost one metre in one day. Also, it’s one of the most useful plants in the world. People can use it to build houses and make tools and instruments. Oh, that’s interesting. I remember pandas love to eat bamboo too, right? Exactly! Actually we eat bamboo shoots too. They’re really delicious. 生长最快的 tool /tuːl/ 工具；手段 actually /ˈæktʃuəli/ 实际上；居然 shoot /ʃuːt/ n. 幼苗；嫩芽 v. (shot /ʃɒt/) 开（枪）；射击 Read the conversation and answer the questions. 2b Ella: Oh, what’s that, Chen Jie? It’s so beautiful! Chen Jie: Thanks. It’s a folding fan. I bought it last year. Ella: Oh! It has a painting of bamboo on it. Chen Jie: Yeah. Bamboo is one of the most popular subjects in Chinese paintings. It’s a ________ of goodness in Chinese culture. Ella: I didn’t know that before. So, where did you get that fan? Chen Jie: At the Bamboo Sea in Sichuan, the _______ and _______ bamboo forests in China. I learnt lots of interesting things when I was there. What does Ella see on the folding fan? Why does bamboo often appear in Chinese paintings? 3.Where is the Bamboo Sea? symbol largest oldest A painting of bamboo. Because it is one of the most popular subjects in Chinese paintings and it is a symbol of goodness in Chinese culture. In Sichuan, China. 1 2 3 1.蜀南竹海 位于中国四川省宜宾市长宁县境内。它是世界上集中面积最大的天然竹林景区，总面积达10.2平方千米，竹林覆盖率高达93%。这里以竹海、瀑布、湖泊、古庙等景观著称，不仅自然风光旖旎，还蕴含着深厚的文化底蕴，是竹文化的发源地之一。游客可以在这里了解竹子的历史、文化和用途。 2.其他竹海 除了蜀南竹海，中国还有其他一些被称为“竹海”的地方，如赤水竹海、沐川竹海等。 “Bamboo Sea”通常指的是一个被大量竹子覆盖的区域，就像一片竹子的海洋。在不同的语境中，它可能指的是具体的地点或泛指竹林景观。 Good to know Ella: Really? Like what? Chen Jie: Well, bamboo is one of the fastest-growing plants. Some bamboo can grow almost one metre in one day. Also, it’s one of the ___________ plants in the world. People can use it to build houses and make tools and instruments. Ella: Oh, that’s interesting. I remember pandas love to eat bamboo too, right? Chen Jie: Exactly! Actually we eat bamboo shoots too. They’re really delicious. 4. What do people use bamboo for? 5. Is Ella interested in bamboo? How do you know? People can use it to build houses and make tools and instruments. Yes, she is. most useful 4 5 Read the conversation and answer the questions. Complete the mind map with the information from 2a. 2c on Chen Jie’s folding fan got at ______________________ the ________ and _______ bamboo forest in China grow __________ _____ in one day ●build __________ ●make __________ and __________ ●food for _______ and _______ a symbol of __________ the Bamboo Sea in Sichuan largest oldest almost one goodness houses tools instruments pandas people one of the fastest-growing plants a popular subject in Chinese paintings one of the most useful plants in the world Bamboo metre Why is bamboo a popular subject in Chinese paintings? Think and say What other uses of bamboo do you know? uses handicrafts(工艺品) furniture (家具) vehicle (交通工具) daily tools cultural carrier (文化载体) buildings food … Listen to the conversation again. Then role-play it. 2d Oh, what’s that, Chen Jie? It’s so beautiful! Thanks. It’s a folding fan. I bought it last year. Oh! It has a painting of bamboo on it. Yeah. Bamboo is one of the most popular subjects in Chinese paintings. It’s a symbol of goodness in Chinese culture. Imagine you are a tour guide at the Bamboo Sea and your partner is a foreign tourist. Make up a conversation about bamboo and its importance. 2e A: Welcome to the Bamboo Sea! I’m your tour guide today. I’d love to share all the interesting things about bamboo with you. Please feel free to ask me any questions you have. B: Bamboo seems to be a very popular plant in China. Can you tell me why the Chinese people like bamboo so much? A: Well, … feel free (to do sth) 可以随便做某事 A: Well, bamboo has deep-rooted cultural significance in China. In Chinese culture, it’s seen as a symbol of qualities like integrity, resilience, and modesty. Also, it’s extremely useful. People have been using it to build houses for a long time because it’s strong and durable. You can see some of these bamboo-built houses around here. B: That’s amazing! I didn’t know it could be used for building. Are there any other practical uses? For example A: Sure. We can make all kinds of daily use items from it, such as baskets and chopsticks. And bamboo shoots are a delicious part of our dishes. They’re not only tasty but also rich in nutrients. B: Sounds great. I’m really interested in trying bamboo-shoot dishes now. A: I’m glad to hear that. There are some local restaurants nearby that serve wonderful bamboo-shoot dishes. After our tour, you can have a try. B: Thank you so much for sharing all this interesting information. A: You’re welcome. I hope you’ll have a great time exploring the Bamboo Sea. For example 1. Bamboo is one of the most popular subjects in Chinese paintings. 竹子是中国画中最受欢迎的题材之一。 popular adj. 广受欢迎的；流行的 【常用搭配】 ①be popular with/among 受……欢迎 ②get/become popular 受欢迎；流行 Language points Basketball is one of the most popular sports around the world.篮球是全世界最受欢迎的运动之一。 This song is very popular among teenagers. 这首歌在青少年中很流行。 【例句】 比较级: more popular 最高级: most popular 【词汇拓展】 ① n. 流行；普及___________ popularity ……的知名度___________________ the popularity of ② v. 使普及；使流行；推广____________ popularize The popularity of this game has spread all over the world. 这款游戏的流行已经遍布全球。 We should popularize the knowledge of environmental protection. 我们应该普及环保知识。 【例句】 2. It’s a symbol of goodness in Chinese culture. 在中华文化中它是美德的象征。 symbol n. ①象征 The dove is a symbol of peace. 鸽子是和平的象征。 ②符号 In mathematics, “+” is a symbol for addition. 在数学中，“+”是加法符号。 ……的象征 3. Also, it’s one of the most useful plants in the world. 此外，它还是世界上最有用的植物之一。 1) useful adj. 有用的；有益的；实用的 She brought me a useful book on how to learn English. 她给我带来了一本如何学习英语的书。 【词汇拓展】 ① n. & v. 使用；利用_________ use ② adj. 无用的；无效的；无价值的__________ useless 【例句】 2)主语+be+one of the+形容词最高级+可数名词复数+in/of短语. ……是……中最……的……之一。 这是最高级的常用结构之一。 高频 Beijing is one of the biggest cities in China. 北京是中国最大的城市之一。 one of ... ……之一 【拓展】 of后接名词或代词的复数形式。 one of...短语作主语时，谓语动词用单数。 He is one of my friends. 他是我的一个朋友。 One of the performers comes from Guizhou. 其中一个演员来自贵州。 4. Please feel free to ask me any questions you have. 你有任何问题，请随时问我。 ① feel free + to do sth. 可以随便做某事 Feel free to contact me if you need any further information. 如果你需要任何进一步的信息，随时联系我。 ② feel free单独使用，表示“请随意；不要拘束” We have a lot of books in the library. Come in and feel free. 我们图书馆有很多书。进来吧，随意看! 五、完形填空 The oldest tree in Sweden is over 9，550 years old.It is the roots of the tree that date back so many，many，many 　 26 　. (　　)26.A.years B.seasons C.months D.days 【点拨】根据“The oldest tree in Sweden is over 9, 550 years old.”可知，这棵树的根可以追溯到很多、很多、很多年前。故选A。 A 返回 综合提优练 主题拓展 The stem and trunk of the tree live around 600 years.That is also a(n) 　 27 　 time for a tree. (　　)27.A.short B.long C.easy D.hard 【点拨】根据“The stem and trunk of the tree live around 600 years.”可知，对于一棵树来说，那也是很长的时间了。故 选B。 B 返回 综合提优练 主题拓展 But after they die，new stems and trunks 　28　 from the old roots. (　　)28.A.die B.leave C.change D.grow 【点拨】根据“But after they die, new stems and trunks... from the old roots.”可知，新的茎和树干从老的树根上长出来。故选D。 D 返回 综合提优练 主题拓展 A new section (部分) of the tree may live another 600 years.This 　 29 　 can continue again and again. (　　)29.A.circle B.line C.square D.point 【点拨】根据“A new section of the tree may live another 600 years.”可知，此处指“循环”。故选A。 A 返回 综合提优练 主题拓展 Scientists have found other spruce trees in 　 30 　.Some of these are close to 6，000 years old. (　　)30.A.France B.Germany C.Sweden D.Finland 【点拨】根据“The oldest tree in Sweden is over 9, 550  years old.”可知，此处指“瑞典”。故选C。 C 返回 综合提优练 主题拓展 返回 The over 9，550-year-old spruce lives on a mountain.Low shrubs (灌木) grow all around it.The area where the 　 31 　 was found gave scientists some details about Earth’s past. (　　)31.A.river B.rock C.tree D.flower 【点拨】根据“The over 9, 550-year-old spruce lives on a mountain. Low shrubs grow all around it.”可知，此处指“这棵树被发现的区域”。故选C。 C 综合提优练 主题拓展 Before this discovery，scientists thought that the 　 32 　 trees only started growing in that part of the world 2，000 years ago. (　　)32.A.fruit B.spruce C.leafless D.fruitless 【点拨】根据“The over 9, 550-year-old spruce lives on a mountain.”可知，此处指“云杉”。故选B。 B 返回 综合提优练 主题拓展 Now they 　 33 　 the trees lived in the area closer to 10，000 years ago! They know that the area also could not have trees much older than this spruce. (　　)33.A.imagine B.wonder C.know D.wish C 返回 综合提优练 主题拓展 About 11，000 years ago，the 　 34 　 there was covered in ice from the last ice age. (　　)34.A.sea B.land C.stone D.picture 【点拨】根据“there was covered in ice”可知，土地被冰覆盖。故选B。 B 返回 综合提优练 主题拓展 Trees 　 35 　 this spruce can teach us a lot about Earth’s past.They also show us a lot about the life circle of some plants. (　　)35.A.much older B.half younger C.as young as D.as old as 【点拨】根据“this spruce can teach us a lot about Earth’s past”可知，像云杉一样古老的树可以教我们很多关于地球过去的事情。故选D。 D 返回 【主旨大意】本文主要介绍了瑞典最古老的树。 综合提优练 主题拓展 六、 阅读理解 ①Sleep for humans almost always means there is a bed or a mat nearby.Animals，however，have many different ways of sleeping. 返回 综合提优练 主题拓展 ②For warmth，some animals sleep in groups，such as lions，monkeys，penguins and so on.Elephants also sleep in a group，but they sleep in groups for protection.The larger elephants make a circle around the younger elephants.The larger elephants sleep standing up，while the younger ones lie down to sleep. 返回 综合提优练 主题拓展 ③Some animals sleep in trees.Birds will lock their feet onto a tree to keep from falling out of the tree.Other animals，like squirrels，make nests (筑巢) in the trees to sleep in. ④Most animals look for dry places to sleep.However，ducks often sleep in water.They hold hands when they sleep in groups to keep from floating away (漂走). 返回 综合提优练 主题拓展 ⑤Most animals lie down to sleep.However，some large animals，like horses，can sleep standing up.The flamingo sleeps standing on just one leg. ⑥Most animals sleep at night，but some animals are 　nocturnal　.Nocturnal animals sleep in the daytime.Bats and owls are nocturnal animals.They wake up when the sun goes down. 返回 综合提优练 主题拓展 ⑦Animals sleep in many different ways.But just like humans，every animal must sleep. 【主旨大意】本文主要介绍了不同的动物有不同的睡觉方式及其原因。 返回 综合提优练 主题拓展 (　　)36. Why do elephants sleep in groups according to the passage? A.They sleep in groups for fun. B.They sleep in groups for food. C.They sleep in groups for warmth. D.They sleep in groups for protection. 【点拨】细节理解题。根据“Elephants also sleep in a group, but they sleep in groups for protection.”可知选D。 返回 综合提优练 主题拓展 (　　)37. What does the underlined word “nocturnal” in Paragraph 6 probably mean? A.Active at night. B.With eyes wide open. C.Sleep at night. D.Sleep standing up. 【点拨】词义猜测题。根据“Nocturnal animals sleep in the daytime. Bats and owls are nocturnal animals. They wake up when the sun goes down.”可推测出“nocturnal”意为“夜间活动的”，与“active at night”意思相近。故选A。 A 返回 综合提优练 主题拓展 (　　)38. Which of the following shows the structure (结构) of the passage? A. B. C. D. 【点拨】篇章结构题。通读全文可知，第一段提出了文章的主题，不同的动物有不同的睡觉方式；第二至六段分别举例说明不同的动物有不同的睡觉方式及其原因；最后一段总结全文。故选B。 B 返回 综合提优练 主题拓展 (　　)39.What is the main idea of the passage? A.Animals sleep at different times of night. B.Animals sleep in many different places. C.Animals’ sleeping hours are different. D.Animals sleep in many different ways. 【点拨】主旨大意题。根据“Animals, however, have many different ways of sleeping.”以及通读全文可知，本文主要介绍了不同的动物有不同的睡觉方式。故选D。 D 返回 综合提优练 主题拓展 $