Unit 4 单元限时检测-【初中必刷题】2025-2026学年新教材八年级上册英语同步课件（人教版2024）

该初中英语课件聚焦八年级上册Unit 4“Amazing Plants and Animals”主题，围绕“走进动植物，守护大自然”主题活动情境展开，通过完形填空（海星发现）、阅读理解（红杉树保护、竹子特性）、短文填空（丹顶鹤习性）及书面表达（蓝鲸保护）等任务，构建从语言理解到表达的连贯学习支架，衔接动植物知识与英语语言技能。 其亮点在于以情境化任务链培育核心素养，如完形填空通过海星发现经历提升语言理解能力，阅读理解红杉树保护案例渗透环保意识与人类命运共同体理念，书面表达呼吁保护蓝鲸锻炼语言表达与思维品质，解析详尽且拓展知识实用，助力教师高效教学，促进学生语言能力与跨文化意识协同发展。

英 语 八年级上册 RJ 1 2 Unit 4 Amazing Plants and Animals 3 C 单元限时检测 4 刷速度 5 大单元主题情境 理想树国际中学举办“走进动植物，守护大自然”主题活动月，在 此期间组织了各种各样的活动。 返回目录 6 速度 情境1 在小组活动中，同学们首先分享自己与动物的故事，有人讲述了发现海星 并了解它的经历。 任务一 完形填空（10分） ［2025陕西渭南期末］Last Saturday, I went to the beach with my family. We had a good time there. I . .1. . a starfish （海星） on the beach. It was white and very beautiful. After getting home the next day， I wanted to . .2. . about starfish. So I began to read the . .3. . about starfish on the Internet. 刷速度 返回目录 7 Of course, starfish aren’t really . .4. ..They just look like stars. They . .5. . in the sea， but they aren’t fish. There are about 1，900 different kinds of starfish living in the sea all over the world. Starfish don’t live in fresh water. Hundreds of starfish are of different . .6. ..The most common starfish are red， orange or yellow. Starfish can . .7. . themselves when they are young. Young starfish know what to eat and where to find their food. Starfish can’t swim. They . .8. . by using their arms and tube feet （管足）.A starfish has no head. A . .9. . starfish has five arms. You can see most of them have five arms on the beach. 刷速度 返回目录 But not all starfish have five arms. Some have many more. If an arm falls off， it grows right back. Because of all these things， the starfish is my favourite animal now. I . .10. . it’s interesting and fun. I like it best. 完形填空·语篇导读 本文主要讲述了作者发现海星并了解海星的经历。 刷速度 返回目录 1.( ) A.found B.taught C.hurt D.advised A 【解析】句意为：我在海滩上发现了一只海星。find意为“发现；找到”；teach 意为“教”；hurt意为“伤害”；advise意为“建议”。根据语境可知应该是发 现海星，故选A项。 2.( ) A.compare B.follow C.learn D.hide C 【解析】句意为：第二天回到家后，我想要了解海星。compare意为“比较”； follow意为“跟随”；learn意为“学习”；hide意为“隐藏”。learn about 意 为“了解”，符合语境，故选 C项。 3.( ) A.number B.grammar C.information D.vocabulary C 【解析】根据语境可知，作者在网上读关于海星的信息，故选C项。 刷速度 返回目录 10 4.( ) A.sides B.stars C.risks D.letters B 【解析】根据“They just look like stars.”可知，海星不是真正的星星。 5.( ) A.leave B.develop C.wish D.live D 【解析】句意为：它们生活在海里，但它们不是鱼。根据后半句和“Starfish don’t live in fresh water.”可知，它们生活在海里。 刷速度 返回目录 11 6.( ) A.colours B.miles C.symbols D.prices A 【解析】句意为：数百种海星有着不同的颜色。根据“The most common starfish are red， orange or yellow.”可知，这里说的是海星的颜色。 7.( ) A.look after B.look at C.look up D.look for A 【解析】look after意为“照顾”；look at意为“看”；look up意为“查阅； 向上看”；look for意为“寻找”。根据“Young starfish know what to eat and where to find their food.”可知，海星能照顾自己，故选A项。 刷速度 返回目录 12 8.( ) A.imagine B.move C.cover D.produce B 【解析】imagine意为“想象”；move意为“移动”；cover意为“覆盖”； produce意为“生产；产生”。根据by using their arms and tube feet可知， 此处指移动方式，故选B项。 链接狂K cover 的详细讲解见狂K重点P14。 刷速度 返回目录 13 9.( ) A.polite B.special C.common D.cheap C 【解析】根据“You can see most of them have five arms on the beach.”可 知，常见的海星有五条腕。 10.( ) A.forget B.score C.climb D.think D 【解析】句意为：我认为它既有趣又好玩。forget意为“忘记”；score意为“得 分”；climb意为“攀爬”；think意为“认为”。根据语境，故选D项。 刷速度 返回目录 14 情境2 接着，小组组织观看关于环保行动的纪录片，其中就有保护红杉树的内容， 引发大家对保护植物的讨论。 任务二 阅读理解A（10分） At the age of 16, Julia Butterfly Hill left school and worked at a restaurant. For many years， she was only interested in making money. Then one day she had a serious car accident which changed her life.“I had a terrible car accident. It took me 10 months to recover from the accident. During that time，I realized I wanted to find a more meaningful reason for being here on earth,” said Hill. 刷速度 返回目录 15 As soon as Hill recovered, she travelled to California. One day she found a company wanted to cut down part of a forest. In the forest there were lots of redwood trees. One of the trees was more than 1，000 years old. Hill learnt that a group was trying to save the redwood forest from the company. They decided to find someone to live in a redwood tree and hoped this would stop the company from cutting the trees down. Hill volunteered. 刷速度 返回目录 16 Hill lived in the tree for over two years without ever going down. It was cold and wet in the redwood tree. There were even very serious winter storms while Hill was in the tree. Finally the company decided to protect the tree Hill lived in. They agreed never to cut down the big redwood tree or the trees around it. When Hill put her feet on the earth, she began to cry. But she continued to do other things to protect the environment. 阅读理解A·语篇导读 本文讲述了希尔为了保护红杉树，在一棵红杉树上生活了两 年多的故事。 刷速度 返回目录 17 11.What does the underlined word “recover” in Paragraph 1 mean in Chinese？ ( ) B A.理解 B.康复 C.转正 D.处理 【解析】词义猜测题。根据第一段中的“I had a terrible car accident.It took me 10 months to recover from the accident.”可知，希尔花了10个月时 间康复，recover的意思是“康复”。 刷速度 返回目录 18 12.Hill travelled to California to ________.( ) C A.work in a restaurant B.continue her study C.do something meaningful D.encourage people to join the group 【解析】细节理解题。根据第一段中的I realized I wanted to find a more meaningful reason for being here on earth和第二段中的“As soon as Hill recovered， she travelled to California.”可知，她去加利福尼亚是想做一 些有意义的事。 刷速度 返回目录 19 13.How long did Hill live in the redwood tree？( ) D A.For one year. B.For less than one year. C.For two years. D.For more than two years. 【解析】细节理解题。根据第四段中的“Hill lived in the tree for over two years without ever going down.”可知，希尔在红杉树上住了两年多。 链接狂K without 的详细讲解见狂K重点P25。 刷速度 返回目录 20 14.According to the passage, Hill’s life in the tree was ________.( ) A A.difficult B.comfortable C.hot D.boring 【解析】推理判断题。根据第四段中的“It was cold and wet in the redwood tree.There were even very serious winter storms while Hill was in the tree.”可知，树上的生活很艰苦。 刷速度 返回目录 21 15.Which of the following is TRUE about Hill？( ) C A.She opened a hotel after she left school. B.At first，she didn’t want to help the group. C.She did lots of things to protect the environment. D.She went down from the tree she lived in every week. 【解析】细节理解题。根据最后一段中的“But she continued to do other things to protect the environment.”可知，希尔做了很多保护环境的事。 刷速度 返回目录 22 情境3 然后，同学们开展“神奇植物分享会”，分享自己知道的植物，有人分享了 竹子的独特之处。 任务三 阅读理解B（10分） ［2025重庆梁平区期末·改编］①The fastest growing plant in the world is bamboo. Some bamboo grows so quickly that people say they can watch it grow. The speed of growth depends on the type of bamboo, the soil and the season. Normal bamboo grows about 30 cm a day. It usually grows in tropical areas （热带地区）.It can also be found in other parts of the world. Bamboo plants are found in Asia, parts of Africa and South America. 刷速度 返回目录 23 ②Bamboo is a wonderful plant for many people around the world. There are over 1,000 uses for it. People make tables, clothes, and it is also edible （可食用的）. ③ ____ People use it because it’s very strong. They use it to build houses, boats and bridges. The Chinese made a bamboo bridge over the Min River in Sichuan, China almost 1,000 years ago. Bamboo is used to build houses especially in China and the Philippines. 刷速度 返回目录 24 ④Bamboo is the earliest material used to make the light bulb. The great scientist Thomas Edison did not invent the light bulb, but he made it perfect. He wanted the material inside to burn for a long period of time. He tried over 1,000 different types of materials. None worked very well. One day, he tried to use a piece of bamboo and the light bulb lit up for over a thousand hours. This invention helped other scientists to make the modern light bulb we use today. 阅读理解B·语篇导读 短文主要介绍了竹子的生长速度、分布地区和用途。 刷速度 返回目录 25 16.What can we know from the passage？( ) B A.Bamboo can’t be eaten. B.Bamboo was used in building 1,000 years ago. C.Bamboo is stronger than other materials. D.Bamboo was the earliest material. 【解析】细节理解题。根据第三段中的“The Chinese made a bamboo bridge over the Min River in Sichuan， China almost 1，000 years ago.”可知， 一千年前竹子被用于建筑。 刷速度 返回目录 26 17. 内容回填 Which sentence can be put in the “________”?( ) C A.The lovely pandas often feed on bamboo. B.People planted bamboo hundreds of years ago. C.One of the world’s oldest building materials is bamboo. D.Bamboo that grows in tropical forests is usually tall and large. 【解析】推理判断题。本段主要讲的是竹子被用于建筑行业，是一种建筑材料。C 项（竹子是世界上最古老的建筑材料之一。）符合语境。 刷速度 返回目录 27 18.What is the purpose of writing the passage？( ) A A.To let readers know the importance of bamboo. B.To learn how to build a house with bamboo. C.To learn how to protect bamboo. D.To know how to plant bamboo. 【解析】推理判断题。通读全文可知，这篇文章的写作目的是让人们了解竹子的 重要性。 刷速度 返回目录 28 19.Which of the following is TRUE according to the passage?( ) C A.All types of bamboo grow 30 cm a day. B.Bamboo can only be found in tropical areas. C.The Chinese built a bamboo bridge over the Min River about 1,000 years ago. D.Thomas Edison invented the light bulb with the bamboo material. 【解析】细节理解题。由“The Chinese made a bamboo bridge over the Min River in Sichuan，China almost 1，000 years ago.”可知C选项正确。 刷速度 返回目录 29 20. 篇章结构 Which of the following shows the structure of this passage？ ( ) A A. B. C. D. 【解析】推理判断题。第一段介绍竹子的生长情况；第二段介绍竹子的多种用途； 第三段和第四段分别介绍了竹子不同的具体用途。故选A项。 刷速度 返回目录 30 情境4 之后，同学们进行“濒危动物现状调研”活动，小组成员对丹顶鹤的生存状 况进行分析。 任务四 短文填空（10分） 阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思 完整，每词限用一次。 ［2025广东惠州调研］ dance think weigh large beautiful hard change we place because 刷速度 返回目录 31 We are beautiful red-crowned cranes （鹤） from Yancheng. We have red caps on top of our heads. You may 21. _______ the caps are our feathers. In fact, they are combs （冠）.We are one of the 22. _________ birds in size in the world. An adult red-crowned crane 23. ________ up to 10 kilograms. We are good at 24. _________.I think we are the most beautiful dancers of all the birds. We are also good singers. We sing loudly and 25. _____________.We are good at flying as well. We fly to warm East Asia when snow comes. We give birth to baby cranes there. We like to live together on wetlands in China and some other 26. ________. think largest weighs dancing beautifully places 刷速度 返回目录 32 We live on worms and small fish. We like to live in long grasses. Water and grasses are important for 27. ____.But sometimes，life is even 28. ________ these years. We are one of the most endangered birds in the world now. People keep 29. __________ our living areas into farms and buildings. We don’t have enough space to live in. And we don’t have enough food to feed our babies 30. _________ people fish and hunt too much. 短文填空·语篇导读 本文主要介绍了丹顶鹤的特点和生活习性等。 us harder changing because 刷速度 返回目录 21. _______ think 【解析】分析句子结构可知，此处应填动词；情态动词may后接动词原形，结合句 意和所给词，故填think。 22. _________ largest 【解析】句意为：我们是世界上体型最大的鸟类之一。根据空后的in size可知， 此处指“大的”，large符合语境；根据one of the和birds可知，此处应用形容 词最高级，故填largest。 23. ________ weighs 【解析】句意为：一只成年丹顶鹤重达10千克。根据空后的10 kilograms可知， 此处用weigh；句子时态为一般现在时，主语为第三人称单数，故填weighs。 刷速度 返回目录 34 24. _________ dancing 【解析】句意为：我们擅长跳舞。根据下文“I think we are the most beautiful dancers of all the birds.”可知，此处指跳舞；be good at doing sth意为“擅长做某事”，故填dancing。 25. _____________ beautifully 【解析】句意为：我们唱得又大声又优美。根据上文“We are also good singers.”可知，此处指唱得优美；此处应用副词作状语，结合所给词，故填 beautifully。 26. ________ places 【解析】句意为：我们喜欢群居在中国和其他一些地方的湿地。根据in China 可 知此处指地点，应用place，由some other可知填places。 刷速度 返回目录 35 27. ____ us 【解析】句意为：水和草对我们来说很重要。由语境可知此处指“我们”，for为 介词，其后应使用人称代词的宾格，故填us。 28. ________ harder 【解析】句意为：但是这些年，有时候生活甚至更艰难了。根据下文可知此处指 生存条件艰难，应用hard；由even可知填比较级harder。 链接狂K 形容词和副词的比较级的详细讲解见狂K重点P22。 刷速度 返回目录 36 29. __________ changing 【解析】句意为：人们持续将我们生活的地区改为农场和建筑物。根据“We don’t have enough space to live.”可知此处指将生活的地区改为农场和楼房， 应用change；keep doing sth为固定搭配，意为“持续做某事”，故填changing。 30. _________ because 【解析】句意为：并且我们没有足够的食物来喂养我们的幼崽，因为人们捕鱼和 狩猎太多了。空前后内容为因果关系且原因在后，故填because。 刷速度 返回目录 37 情境5 最后，小组举办“守护海洋精灵——蓝鲸”宣传活动，制作海报、撰写宣传 文案，呼吁全校师生保护濒危动物。 任务五 书面表达（15分） 31.［2025辽宁营口期中］蓝鲸是世界上最大的动物。最近一次的科学调查中，同 学们发现它们正濒临灭绝。请你根据下面的表格信息，写一篇不少于80词的英语 短文，呼吁人们保护蓝鲸。 刷速度 返回目录 38 栖息地 海洋 食物 海洋中的小型动物 濒临灭绝的原因 （1）海洋受到污染（pollute）； （2）受到人类捕杀。 严峻的形势 每年海洋中的蓝鲸越来越少。 措施 （1）保持海洋干净； （2）禁止捕杀蓝鲸。 The blue whales are the largest animals in the world.____ 刷速度 返回目录 39 【参考范文】 The blue whales are the largest animals in the world.They live in the ocean and feed on small animals in the ocean. The blue whale is facing a serious situation.There are fewer blue whales in the ocean every year because of hunting and pollution.To protect blue whales， humans need to take measures such as reducing pollution to keep the oceans clean and banning blue whale hunting. Protecting the blue whale not only requires the joint efforts of the international community， but also requires everyone to start from the small things in daily life. 刷速度 返回目录 40 知识拓展 “not only… but also…”后的谓语动词的形式遵循“就近原则”。 刷速度 返回目录 41 $$