Unit4 Section B (3a-3c)（课件）-2026-2027学年人教版英语八年级上册

该初中英语课件聚焦人教版八年级上册Unit 4“神奇的植物和动物”主题，核心涵盖比较级与最高级综合运用、话题句型仿写及书面表达等知识点。课堂以蓝鲸视频导入，通过问题链、表格填写、文本精读构建从词汇积累到语法应用再到写作输出的递进式学习支架，衔接前后知识脉络。 其亮点在于融合语言能力与思维品质培养，如第一人称改写练习（3b/3c）引导学生转换视角提升表达灵活性，写作任务结合野生动物保护主题渗透文化意识。采用任务型教学与自评互评表，助力学生掌握科学学习方法，教师可通过重难点总结与写作模板高效落实教学目标，提升学生综合语言运用能力。

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 B (3a-3c) Unit 4 Amazing Plants and Animals 人教版八年级上册英语Unit4 Section B (3a-3c) 同步练习题 适用范围：人教版八年级上册 Unit4 Amazing Plants and Animals Section B 3a-3c 考查重点：比较级与最高级综合运用、话题句型仿写、城镇场所评价、书面表达写作、短文填空、语法综合改错 满分：100分 答题时间：40分钟 一、基础过关：核心短语与句型（20分） （一）英汉互译（每题2分，共10分） 1. in town ________________ 2. pretty good ________________ 3. 等等；除此之外 ________________ 4. 擅长做某事 ________________ 5. 最受欢迎的 ________________ （二）课本原句补全（每空2分，共10分） 1. How do you like the ________ (戏院) in our town? 2. I think Spring Cinema is the ________ (最好的) place to relax. 3. It has the ________ (最大的) screens and the ________ (最舒适的) seats. 4. Green Park is ________ (非常) good. 二、语法综合：比较级&最高级辨析（26分） （一）用所给词适当形式填空（每题2分，共12分） 1. This theater is ________ (good) than that one, but it is not ________ (good) in town. 2. Which is ________ (bad), the first one or the second one? 3. This is ________ (cheap) restaurant in our city. 4. The store has ________ (fresh) fruit of all. 5. She sings ________ (beautifully) than any other girl in our class. 6. One of ________ (popular) parks is Green Park. （二）单项选择（每题2分，共14分） 1. — Which is ________, Tom Cinema or Sun Cinema? — Sun Cinema. A. good    B. better    C. the best 2. This is ________ of all the stores in town. A. the cheapest    B. cheaper    C. cheap 3. The more you read, ________ you will be. A. smarter    B. the smarter    C. the smartest 4. No one is ________ than him in swimming. He is ________ swimmer. A. better; the best    B. good; best    C. better; best 5. It is one of ________ most beautiful parks in our city. A. a    B. the    C. / 6. I think this movie is ________ than the last one. A. interesting    B. more interesting    C. the most interesting 7. — ________ is the best supermarket? — Blue Supermarket. A. What    B. Which    C. Where 三、句型转换（3b 核心改写题型）（24分） （一）句型改写（每题3分，共12分） 1. This restaurant is good.（改为最高级） This restaurant is ________ ________ ________ in town. 2. That cinema is worse than any other cinema.（改为最高级） That cinema is ________ ________ in town. 3. This park is more popular than that one.（同义句转换） That park is ________ ________ than this one. 4. I think it is the best store.（否定前移） I ________ ________ it is the best store. （二）完成句子（每题3分，共12分） 1. 它有最友好的服务。 It has ________ ________ ________. 2. 在我看来，它是最棒的电影院。 ________ ________ ________, it is the best cinema. 3. 这家超市是镇上最拥挤的。 This supermarket is ________ ________ ________ in town. 4. 它的座位比其他的更舒适。 Its seats are ________ ________ than others. 四、短文填空（完全贴合3a课文改编）（10分） 用方框内单词的适当形式填空，每词仅用一次 good, comfortable, popular, bad, fresh There are many great places in our town. Green Park is the 1.________ place to relax. It is 2.________ than other small parks. Blue Cinema has the 3.________ seats, so people feel relaxed there. Red Restaurant has the 4.________ food of all. The only 5.________ place is the old supermarket. It has the worst service. 1. ________   2. ________   3. ________   4. ________   5. ________ 五、阅读理解（10分） There are many wonderful places in my town. The best cinema is Star Cinema. It has the biggest screens and the most comfortable seats. It is also the quietest, so you can enjoy movies well. The best restaurant is Moon Restaurant. It has the freshest food and the friendliest service. It is cheaper than most restaurants. The most popular park is Sunshine Park. Many people go there on weekends. However, the worst shop is the small one near our school. It is the most crowded and the things there are the most expensive. 根据短文内容判断正(T)误(F)（每题2分，共10分） 1. Star Cinema is the best cinema in the town. 2. Moon Restaurant’s food is fresh. 3. Moon Restaurant is very expensive. 4. Sunshine Park is very popular. 5. The small shop near school has the best service. 六、书面表达（对标3c写作任务）（10分） 请你以 My Favorite Places in Town 为题，介绍你镇上最好的场所（影院、公园、餐馆任选2个）。 要求：1. 使用比较级、最高级；2. 说明选择理由；3. 词数60词左右。 七、参考答案与重难点总结 （一）参考答案 一、基础过关 1.（1）在镇上 （2）相当不错 （3）and so on （4）be good at doing sth. （5）the most popular 2.（1）theater （2）best （3）biggest; most comfortable （4）pretty 二、语法综合 1.（1）better; the best （2）worse （3）the cheapest （4）the freshest （5）more beautifully （6）the most popular 2. 1.B 2.A 3.B 4.A 5.B 6.B 7.B 三、句型转换 1.（1）the best restaurant （2）the worst （3）less popular （4）don’t think 2.（1）the friendliest service （2）In my opinion （3）the most crowded （4）more comfortable 四、短文填空 1.best 2.better 3.most comfortable 4.freshest 5.worst 五、阅读理解 1.T 2.T 3.F 4.T 5.F （二）写作参考范文 My Favorite Places in Town There are many great places in my town. My favorite cinema is Star Cinema. It has the biggest screens and the most comfortable seats. It is the quietest one in town. I also like Green Park best. It is the most relaxing place. It is cleaner and more beautiful than other parks. I love these places very much. （三）本课重难点总结 1. 核心能力：熟练区分两者比较（比较级）和三者及以上（最高级），写作高频考点。 2. 万能句型（写作必背）：In my opinion, … / It has the + 最高级 + 名词 / It is + 最高级 + in… 3. 易错点：最高级漏加the；多音节形容词最高级误用；比较级、最高级混用。 4. 3c写作模板：总起（总述小镇有很多好去处）+ 分述两个场所（最高级+理由）+ 总结感受。 Watch the video What does this video talk about? The blue whale is the largest animal on earth. What do you know about the blue whale? Read the text and complete the table. 3a Blue whale facts Weight Where they live Food How long they live Importance in nature The blue whale is the largest and heaviest animal on earth. It can weigh as much as 200 tons. Many people like watching blue whales swim, and they think it is one of the most beautiful things to see. Blue whales live in all oceans except the Arctic Ocean. They eat a lot, but they eat some of the tiniest animals in the ocean. A blue whale can eat around four tons of these a day. Read and learn 在地球上 多达，达到……之多 n. 大海；海洋 prep. 除……之外；除了 adj. 极小的；微小的 Blue whales can live up to 90 years. When a blue whale dies at sea, it becomes food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. Blue whales play an important role in our world, so we must protect them. Read and learn live up to活到……岁；达到……的寿命 adj. 精力充沛的；生机勃勃的 扮演一个重要的角色 Blue whale facts Weight Where they live Food How long they live Importance in nature as much as 200 tons in all oceans except the Arctic Ocean some of the tiniest animals in the ocean up to 90 years When a blue whale dies, it becomes food for many animals and it helps to create a lively and healthy ecosystem. Check answers. 1. Blue whales can live up to 90 years. 蓝鲸的寿命可达 90 年 。 达到；符合（期望等） live up to 活到（某一年龄、岁数等） He always lives up to his parents’ expectations. 他总是不辜负父母的期望。 An elephant can live up to sixty years. 一头象能活到60岁。 Language points 拓展 同义词 reach reach 达到（某一数量、程度、年龄等 ）；在表示活到某一年龄时，可与 “live up to” 替换。 Some trees can reach a height of 30 meters. 有些树能长到 30 米高 。 Some people can reach 90 years old. 有些人能活到 90 岁 。 2. Blue whales live in all oceans except the Arctic Ocean. 蓝鲸生活在除北冰洋以外的所有海洋中。 （连词）除了,只是；除非 （介词）除……之外；除了 The restaurant is open every day except Monday.这个饭店除了星期一每天都营业。 其后接名词、代词等作宾语，表示某人或某物不包含在某一范围内。 except I won’t go except you come with me. 除非你跟我一起去，否则我不会去。 My dress is similar to yours, except mine is blue.我的连衣裙和你的相似，只是我的是蓝色的。 辨析 except, besides与but except 除……之外；除了 强调所排除的内容不包含在内，含有“减去”的意思 besides 除……之外（还有） 包括 besides 后面的内容，含有“加上”的意思 but 除……之外 与 except 用法基本相同。常用于no, nothing, anything 之后 They all went to the party except Ann.除了安，他们都去了聚会。 We have a lot in common besides music.除了音乐，我们还有很多共同点。 There is no one but me.这里除了我没有别人。 Imagine you are a blue whale. Use the first person to rewrite the first paragraph. 3b Hello everyone! My name is Billy the Blue Whale. I am __________ _______________________________________________________I’m heavy, but I __________________________________________ _______________________________________________________ I live in ________________________________________________ _________________________________ I can eat ______________ _______________________________________________. the largest and heaviest animal on earth. I weigh as much as 200 tons. love swimming, and many people like watching me swim. They think it’s one of the most beautiful things to see. all oceans except the Arctic Ocean. My favourite food is of these a day some of the tiniest animals in the ocean. around four tons Complete your passage about the blue whale based on the text in 3a. 3c 写作指导 文本体裁 话题分析 要求完成段落的改写，主要改写内容为3a第二段的内容，涉及到蓝鲸的寿命和对生态环境的重要性等内容。 本文将第三人称的段落内容，改写为第一人称的段落内容。分析原文章属于介绍类文章，改写后，还是自身特性介绍，因此是说明文。 人称时态 以第一人称为主；以一般现在时为主。 What should we mainly pay attention to when rewriting an article? 人称: 由第三人称变成第一人称 内容要点: 要点不能省略或者遗漏。 语言: 个别句子需要变化结构 weight living area food preference（喜好） Observe and think How to use the first person to rewrite the second paragraph? points lifespan role /function importance Write your article according to the information mentioned above. Pay attention to your spelling and structure. Be careful! Checklist Self-evaluation Peer-evaluation Teacher-evaluation Clear structure Topic sentence More relative information Right linking words Right grammar Right spelling Great Good Try harder Now, you can exchange your writings with your partner to check each other’s writing. I can live up to 90 years. When I die at sea, I become food for many kinds of animals living in and around the sea. This food lasts for over a year and it helps to create a lively and healthy ecosystem. I play an important role in our world, so you must protect me. For example 【写作导引】 本单元以“神奇的植物和动物”为话题，属于“人与自然”主题范畴中“自然生态”这一主题群。此类话题常见的写作角度涉及：①自然环境与景观描述；②人与自然相互依存，绿色生活的理念和行为。 【写作任务】 假设你是阳光中学的李华，一位野生动物爱好者。你登录了Wildlife Conservation Society (野生动物保护协会)网站。请根据网站信息及留言栏中的问题用英语谈谈你的看法。 Message Now a few restaurants still have some wild animals as delicious food on the table. ·What do you think about the fact? ·As a wildlife lover，what can you do to protect them? ·How can you teach people to live together with wild animals? 要求： 1.文中不得出现真实的姓名、校名等信息； 2.词数80左右，开头已给出，不计入总词数。 It is reported that a few restaurants still have some wild animals as delicious food on the table. 　 　. 　 　. 【精彩范文】 跟踪演练 某英文报社正在征集以保护动植物为题材的文章。请你根据以下要点和要求写一篇短文，向该报社投稿。 要点：1.野生动植物的现状； 2.造成许多野生动植物濒临灭绝的原因； 3.保护野生动植物的建议(至少三条)。 要求：1.文中不得出现真实的校名和姓名； 2.词数80左右，开头已给出，不计入总词数。 Many kinds of plants and animals are in danger now. . 　 . 　 . 　 . 　 　 . . . We should try our best to protect them well. More and more plants and animals are dying out because they lost their living places or can’t find enough food. People cut down trees or kill animals to make money. Some factories pollute the rivers and lakes. They’re the reasons why plants and animals are in danger. 　 . 　 　 　 　 . 　 . For these reasons, I think we should do something now. We should plant more trees, stop killing animals and close some factories to provide a better environment for them. $