Unit 4 Section B（3a～3c）（同步课时作业）-2025-2026学年八年级英语上册同步教学精品课件（人教版2024）

Unit 4 Amazing Plants and Animals Section B （3a-3c）课时作业 1、 单项选择。 1．Siheyuan is a ________ of traditional building around China with a history of more than 800 years. A．tradition B．kind C．reason 2．There is _______ island in the middle of the lake. It’s ________ most beautiful island I have ever seen. A．a; the B．a; a C．an; the 3．—Tina always gets good grades. Does she study hard? —Of course. She is one of ________ students in our class. A．hard-working B．more hard-working C．the most hard-working 4．—________ the population of China? —About 1.4 billion. Everyone knows China has the ________ population in the world. A．How many are; most B．What is; largest C．How much is; largest 5．—Alice ________ dance ________ Janice now. —Yes. Janice practices ________ of all the girls. A．isn’t; as good as; harder B．doesn’t; as good as; harder C．doesn’t; as well as; hardest 2、 根据首字母及汉语提示完成单词拼写。 1．It is necessary for us to p animals in danger. 2．H are different from animals in many ways. 3．Can you i living on the moon? 4．Of my classmates, Jack has the l voice. Everyone can hear him clearly. 5．Cuba is a beautiful place. Let’s s our movie there. 3、 用括号内所给单词的适当形式填空。 1．Lily is my good friend and I often share my problems and (happy) with her. 2．The movie was , and it everyone, so we all felt . (disappoint) 3．Mr Wu always has a good and special teaching way to make his class (live) and interesting. 4．On a hot day, Grandma sat under the old tree, waving a (fold) fan to cool herself. 5．We should do as much as we can (protect) our world. 6．We are amazed at the of the building. It’s really the one in our city. (high) 四、 完成句子。 1. 大象是陆地上最大的动物之一，体重能超过5吨。 The elephant is ______ _____ _______ _______ land animals, and it can weigh over 5 tons. 2. 要是环境良好，有些乌龟能活到200岁。 Some tortoises can ______ _____ _______ 200 years if the environment is good. 3. 蜜蜂在给花朵授粉、助力植物生长方面作用重大。 Bees ______ _____ _______ _______ _______ pollinating flowers and helping plants grow. 4. 大多数鸟会飞，除了企鹅、鸵鸟这类不会飞的。 Most birds can _______, _______ some like penguins and ostriches. 5. 多种树有助于让我们的空气更清洁。 _______ more trees helps to make our air _______. 五、完形填空。 Peter, Jack, Sam, Bob and John are on our school basketball team. It is one of the 1 popular teams in our city. Next Sunday they’re going to play against No. 20 Middle School 2 team. Let me introduce the five players. Sam is the thinnest, but he runs the 3 . Peter is the tallest. He can jump the highest, too. He can throw the ball into the basket 4 . Bob is a new player, 5 he is also a great player. 6 the five boys, Jack is the best player. In the last basketball match, he 7 twenty points for his team. John is the 8 . He is 65kg. He runs slower than any other boy. But he 9 stopping the players of the other team from getting near the basket. They’re a strong 10 . Are they going to win? Let’s wait and see! 1．A．more B．most C．much more D．much 2．A．basketball B．volleyball C．baseball D．football 3．A．highest B．slowest C．farthest D．fastest 4．A．difficultly B．differently C．easily D．quickly 5．A．and B．but C．then D．or 6．A．Of B．For C．In D．During 7．A．lost B．found C．got D．went 8．A．thinnest B．heaviest C．tallest D．shortest 9．A．is good at B．is good for C．enjoys D．dislikes 10．A．game B．school C．club D．team 六、阅读短文，从方框中选择适当的词并用其正确的形式填空（每词限用一次）。 短文还原，有两项多余。 Tomatoes are very popular in the world. We use them in many dishes and soups. But how much do you really know about them? In this article, we’ve put together some fun facts about tomatoes for you! 1 But in fact, they are fruits because they have seeds (种子) and grow from flowering plants. Tomato plants first grew in the Andes Mountains of South America. 2 There are many kinds of tomatoes around the world. They come in different sizes. 3 But some can be up to more than 20 cm across and weigh a few kilos. And tomatoes aren’t always red. They can be yellow, purple, black and even white! 4 The English word “tomato” came from the Spanish (西班牙语的) word “tomate”. And the Spanish learned the word from the Aztec language (阿兹特克语) “tomatl”. People not only make tomatoes into different kinds of dishes, but also hold some interesting festivals for the fruit. La Tomatina in Spain is one of the most famous tomato festivals. 5 During the festival, people throw about 150,000 tomatoes at each other. What a mess (混乱)! But it sounds interesting! A．Many people think tomatoes are vegetables. B．Most tomato fruits are the same size as tennis balls. C．Do you know how the fruit got its name? D．Today, they grow in almost every country in the world. E．They thought eating tomatoes could bring them bad luck. F．Eating tomatoes is good for our health. G．The festival takes place on the last Wednesday of August every year. 7、 阅读理解。 The Amazing Journey of Arctic Terns​ Arctic terns are small birds with a big adventure. Every year, they travel from the Arctic to the Antarctic and back—this is the longest migration of any animal on Earth. The round trip can be over 70,000 kilometers!​ Why do they make such a long journey? In summer, the Arctic is full of daylight, and there are plenty of insects for them to eat. They lay their eggs there. When winter comes, the Arctic gets dark and cold, so the terns fly south to the Antarctic, where it is summer and food is still easy to find.​ The journey is not easy. They must fly over oceans and deserts, facing strong winds and hungry predators. But Arctic terns are smart. They follow the sun and stars to find their way. They also fly in groups to stay safe.​ Scientists are amazed by these birds. Their bodies are built for long flights—they have strong wings and light bones. Even young terns can make the journey without their parents guiding them. This amazing ability has helped them survive for millions of years.​ 阅读理解题​ 1.How long is the round-trip migration of Arctic terns?​ A. Over 7,000 kilometers.​ B. Over 70,000 kilometers.​ C. Over 700,000 kilometers.​ D. Over 17,000 kilometers.​ 2.The underlined word “predators” in Paragraph 3 means ______ in Chinese.​ A. 伙伴 B. 天敌 C. 同类 D. 向导​ 3.Why do Arctic terns fly to the Arctic in summer?​ A. To avoid the hot weather.​ B. To find dark places to rest.​ C. To lay eggs and find food.​ D. To learn to fly long distances.​ 4.How do Arctic terns find their way during the journey?​ A. By following other birds’ sounds.​ B. By using the sun and stars.​ C. By remembering the mountains.​ D. By smelling the ocean winds.​ 5.What can we infer from the passage?​ A. Arctic terns are the largest birds in the world.​ B. Young Arctic terns need their parents to guide them.​ C. Arctic terns’ bodies are well-suited for long flights.​ D. The journey from the Arctic to the Antarctic is getting shorter. 学科网（北京）股份有限公司 $ Unit 4 Amazing Plants and Animals Section B （3a-3c）课时作业 1、 单项选择。 1．Siheyuan is a ________ of traditional building around China with a history of more than 800 years. A．tradition B．kind C．reason 【答案】B 【详解】句意：四合院是中国的一种传统建筑，有800多年的历史。 考查名词辨析。tradition传统；kind种类；reason原因。根据“Siheyuan is a...of traditional building”可知，四合院是中国的一种传统建筑，kind符合句意。故选B。 2．There is _______ island in the middle of the lake. It’s ________ most beautiful island I have ever seen. A．a; the B．a; a C．an; the 【答案】C 【详解】句意：湖中心有一座岛屿。这是我见过的最美丽的岛屿。 考查冠词。第一空泛指一座岛屿，island是以元音音素开头，需要用不定冠词an；第二空根据“most beautiful island”可知，这里是形容词最高级用法，需要用定冠词the。故选C。 3．—Tina always gets good grades. Does she study hard? —Of course. She is one of ________ students in our class. A．hard-working B．more hard-working C．the most hard-working 【答案】C 【详解】句意：——Tina总是取得好成绩，她学习很努力吗？——当然。她是我们班学习最勤奋的学生之一。考查形容词最高级。hard-working勤奋的；more hard-working更加勤奋的；the most hard-working最勤奋的。这句话中使用了句型“one+of+the+形容词最高级+复数名词”，表示“最……之一”。故选C。 4．—________ the population of China? —About 1.4 billion. Everyone knows China has the ________ population in the world. A．How many are; most B．What is; largest C．How much is; largest 【答案】B 【详解】句意：——中国的人口是多少？——大约14亿。众所周知，中国是世界上人口最多的国家。 考查特殊疑问句及形容词最高级。根据“About 1.4 billion.”可知，是提问了中国的人口，用疑问词what，population是不可数名词，be动词用is；第二空应表达是世界上人口最多的国家，人口多用large表示，最高级为largest。故选B。 5．—Alice ________ dance ________ Janice now. —Yes. Janice practices ________ of all the girls. A．isn’t; as good as; harder B．doesn’t; as good as; harder C．doesn’t; as well as; hardest 【答案】C 【详解】句意：——爱丽丝的舞现在跳得不如珍妮丝了。——是的。所有女孩中珍妮丝练得最刻苦。 考查副词比较等级和词汇辨析。good好的，形容词；well好，副词。第一句中dance是动词，主语是Alice，所以助动词用doesn’t，修饰动词需用副词well；根据“practises”和“of all the girls”可知，此处给出范围，第三空处用副词最高级。故选C。 2、 根据首字母及汉语提示完成单词拼写。 1．It is necessary for us to p animals in danger. 【答案】(p)rotect 【详解】句意：对我们来说，保护处于危险中的动物们是必要的。根据首字母提示和“animals in danger”可知，此处表示保护濒危动物。动词protect“保护”符合语境。故填(p)rotect。 2．H are different from animals in many ways. 【答案】(H)umans 【详解】句意：人类在很多方面与动物不同。根据“are different from animals in many ways.”及首字母提示可知，此处表示人类与动物不同，human“人类”，此处应用其复数形式humans表示人类这一群体。故填(H)umans。 3．Can you i living on the moon? 【答案】(i)magine 【详解】句意：你可以想象在月球上生活吗？根据“living on the moon”及首字母提示可知，此处表示想象在月球上生活，imagine“想象”，can为情态动词，后跟动词原形。故填(i)magine。 4．Of my classmates, Jack has the l voice. Everyone can hear him clearly. 【答案】(l)oudest 【详解】句意：在我的同学中，杰克的声音最大。每个人都能清楚地听到他的声音。根据“Everyone can hear him clearly.”及首字母提示可知，每个人都可以听到他的声音，所以他的声音大；loud“大声的”，形容词作定语。根据“Of my classmates”可知，此处用形容词最高级。loud的最高级为loudest“最大声的”。故填(l)oudest。 5．Cuba is a beautiful place. Let’s s our movie there. 【答案】(s)hoot 【详解】句意：古巴是个美丽的地方。让我们在那里拍摄我们的电影。根据“Cuba is a beautiful place.”及首字母可知，此处指在古巴这个美丽的地方拍摄电影，shoot“拍摄”，Let’s后需接动词原形。故填(s)hoot。 3、 用括号内所给单词的适当形式填空。 1．Lily is my good friend and I often share my problems and (happy) with her. 【答案】happiness 【详解】句意：莉莉是我的好朋友，我经常和她分享我的烦恼和快乐。句中share“分享”是及物动词，其后需接名词作宾语；“and”连接并列成分，problems“问题”是名词，所以这里应用happy的名词形式happiness“快乐，幸福”，不可数。故填happiness。 2．The movie was , and it everyone, so we all felt . (disappoint) 【答案】 disappointing disappointed disappointed 【详解】句意：这部电影令人失望，它让大家都很失望，所以我们大家都感到很失望。第一空修饰“movie”，在句中作表语，因此用disappoint的形容词形式disappointing；第二个空作谓语，且时态为一般过去时，因此用disappoint的过去式disappointed；第三个修饰“we”，在句中作表语，因此用disappoint的形容词形式disappointed。故填disappointing；disappointed；disappointed。 3．Mr Wu always has a good and special teaching way to make his class (live) and interesting. 【答案】lively 【详解】句意：吴老师总是有很好且特殊的教学方法，使他的课堂生动有趣。 根据“and interesting”可知，此处应用形容词lively“生动的”，作宾语补足语。故填lively。 4．On a hot day, Grandma sat under the old tree, waving a (fold) fan to cool herself. 【答案】folding 【详解】句意：在一个炎热的日子里，婆婆坐在老树下，挥舞着折扇给自己降温。此处指“折扇”，即“folding fan”。故填folding。 5．We should do as much as we can (protect) our world. 【答案】to protect 【详解】句意：我们应该尽我们所能来保护我们的世界。根据“We should do as much as we can...our world”可知，此处用动词不定式来表示目的，尽我们所能来保护我们的世界。故填to protect。 6．We are amazed at the of the building. It’s really the one in our city. (high) 【答案】 height highest 【详解】句意：我们对这座建筑的高度感到惊讶。它真的是我们城市里最高的一座。根据“at the ... of the building”可知，此处是指建筑物的高度，用名词height“高度”；根据“the ... one in our city”可知，空二处是指我们城市最高的一座，用形容词最高级highest“最高的”，作定语。故填height；highest。 四、 完成句子。 1. 大象是陆地上最大的动物之一，体重能超过5吨。 The elephant is ______ _____ _______ _______ land animals, and it can weigh over 5 tons. 2. 要是环境良好，有些乌龟能活到200岁。 Some tortoises can ______ _____ _______ 200 years if the environment is good. 3. 蜜蜂在给花朵授粉、助力植物生长方面作用重大。 Bees ______ _____ _______ _______ _______ pollinating flowers and helping plants grow. 4. 大多数鸟会飞，除了企鹅、鸵鸟这类不会飞的。 Most birds can _______, _______ some like penguins and ostriches. 5. 多种树有助于让我们的空气更清洁。 _______ more trees helps to make our air _______. 【答案】1. one of the largest / biggst 2. live up to 3. play an important role in 4. fly; except 5. Planting; cleaner 五、完形填空。 Peter, Jack, Sam, Bob and John are on our school basketball team. It is one of the 1 popular teams in our city. Next Sunday they’re going to play against No. 20 Middle School 2 team. Let me introduce the five players. Sam is the thinnest, but he runs the 3 . Peter is the tallest. He can jump the highest, too. He can throw the ball into the basket 4 . Bob is a new player, 5 he is also a great player. 6 the five boys, Jack is the best player. In the last basketball match, he 7 twenty points for his team. John is the 8 . He is 65kg. He runs slower than any other boy. But he 9 stopping the players of the other team from getting near the basket. They’re a strong 10 . Are they going to win? Let’s wait and see! 1．A．more B．most C．much more D．much 2．A．basketball B．volleyball C．baseball D．football 3．A．highest B．slowest C．farthest D．fastest 4．A．difficultly B．differently C．easily D．quickly 5．A．and B．but C．then D．or 6．A．Of B．For C．In D．During 7．A．lost B．found C．got D．went 8．A．thinnest B．heaviest C．tallest D．shortest 9．A．is good at B．is good for C．enjoys D．dislikes 10．A．game B．school C．club D．team 【答案】【解析】本文主要介绍了学校篮球队的五名运动员的个人特点。 1．句意：它是我们市最受欢迎的球队之一。 more更多的；most最；much more更；much许多。根据“It is one of the…popular teams in our city.”可知，此处固定搭配one of the+形容词最高级+名词复数，表示“最……之一”。故选B。 2．句意：下周日他们将与第二十中学篮球队进行比赛。 basketball篮球；volleyball排球；baseball棒球；football足球。根据“Next Sunday they’re going to play against No. 20 Middle School…team.”及前文“Peter, Jack, Sam, Bob and John are on our school basketball team.”可知，此处是指篮球比赛。故选A。 3．句意：Sam是最瘦的，但他跑得最快。 highest最高的；slowest最慢的；farthest最远的；fastest最快的。根据“Sam is the thinnest, but he runs the….”可知，前后为转折关系，指他虽然很瘦，但是他跑得最快。故选D。 4．句意：他能轻松地把球投进篮筐。 difficultly困难；differently不同地；easily容易地；quickly迅速地。根据“He can throw the ball into the basket….”可知，此处是指他能轻松地把球投进篮筐，用副词easily修饰动词。故选C。 5．句意：Bob是一个新球员，但他也是一个很棒的球员。 and和；but但是；then然后；or或者。根据“Bob is a new player,…he is also a great player.”可知，表示前后为转折关系用连词but。故选B。 6．句意：在这五个男孩中，Jack是最好的球员。 Of……中；For为了；In在……之内；During在……期间。根据“…the five boys, Jack is the best player.”可知，此处表示在五个男孩中，用介词of表示。故选A。 7．句意：在上次篮球比赛中，他为他的球队得了20分。 lost丢；found找到；got得到；went去。根据“he…twenty points for his team.”可知，此处为固定短语got points“得分”。故选C。 8．句意：John是最重的。 thinnest最瘦的；heaviest最重的；tallest最高的；shortest最矮的。根据“John is the…. He is 65kg.”可知，此处是指John是最重的。故选B。 9．句意：但他擅长阻止对方球员接近篮筐。 is good at擅长；is good for适合；enjoys喜欢；dislikes讨厌。根据“But he…stopping the players of the other team from getting near the basket.”可知，此处前后为转折关系，是指他虽然跑得慢，但是他擅长阻止对方球员接近篮筐。故选A。 10．句意：他们是一个强大的团队。 game游戏；school学校；club俱乐部；team团队。根据“They’re a strong….”及前文“Peter, Jack, Sam, Bob and John are on our school basketball team.”可知，他们是一个团队。故选D。 六、阅读短文，从方框中选择适当的词并用其正确的形式填空（每词限用一次）。 短文还原，有两项多余。 Tomatoes are very popular in the world. We use them in many dishes and soups. But how much do you really know about them? In this article, we’ve put together some fun facts about tomatoes for you! 1 But in fact, they are fruits because they have seeds (种子) and grow from flowering plants. Tomato plants first grew in the Andes Mountains of South America. 2 There are many kinds of tomatoes around the world. They come in different sizes. 3 But some can be up to more than 20 cm across and weigh a few kilos. And tomatoes aren’t always red. They can be yellow, purple, black and even white! 4 The English word “tomato” came from the Spanish (西班牙语的) word “tomate”. And the Spanish learned the word from the Aztec language (阿兹特克语) “tomatl”. People not only make tomatoes into different kinds of dishes, but also hold some interesting festivals for the fruit. La Tomatina in Spain is one of the most famous tomato festivals. 5 During the festival, people throw about 150,000 tomatoes at each other. What a mess (混乱)! But it sounds interesting! A．Many people think tomatoes are vegetables. B．Most tomato fruits are the same size as tennis balls. C．Do you know how the fruit got its name? D．Today, they grow in almost every country in the world. E．They thought eating tomatoes could bring them bad luck. F．Eating tomatoes is good for our health. G．The festival takes place on the last Wednesday of August every year. 【答案】1．A 2．D 3．B 4．C 5．G 【解析】本文是一篇说明文，主要介绍了番茄的趣味知识，包括其植物学分类、起源、种类、名称由来及相关节日。 1．根据文章第2段“But in fact, they are fruits because they have seeds…”可知，此处需补充与“番茄常被误认为蔬菜”相关的内容。选项A“许多人认为西红柿是蔬菜。”符合语境。故选A。 2．根据文章第2段“Tomato plants first grew in the Andes Mountains…”可知，后需补充番茄的传播范围。选项D“如今，它们在世界上几乎每个国家都有种植。”符合语境。故选D。 3．根据文章第3段“They come in different sizes…”可知，后需具体说明尺寸。选项B“大多数西红柿果实和网球大小一样。”，与后文“But some can be up to more than 20 cm…”形成对比，符合语境。故选B。 4．根据文章第4段“The English word ‘tomato’ came from…”可知，此处需引出名称起源的话题。选项C“你知道这种水果的名字是怎么来的吗？”符合语境。故选C。 5．根据文章末段“La Tomatina in Spain is one of the most famous…”可知需补充节日时间。选项G“这个节日在每年八月的最后一个星期三举行。”与“During the festival…”形成时间细节补充，符合语境。故选G。 7、 阅读理解。 The Amazing Journey of Arctic Terns​ Arctic terns are small birds with a big adventure. Every year, they travel from the Arctic to the Antarctic and back—this is the longest migration of any animal on Earth. The round trip can be over 70,000 kilometers!​ Why do they make such a long journey? In summer, the Arctic is full of daylight, and there are plenty of insects for them to eat. They lay their eggs there. When winter comes, the Arctic gets dark and cold, so the terns fly south to the Antarctic, where it is summer and food is still easy to find.​ The journey is not easy. They must fly over oceans and deserts, facing strong winds and hungry predators. But Arctic terns are smart. They follow the sun and stars to find their way. They also fly in groups to stay safe.​ Scientists are amazed by these birds. Their bodies are built for long flights—they have strong wings and light bones. Even young terns can make the journey without their parents guiding them. This amazing ability has helped them survive for millions of years.​ 阅读理解题​ 1.How long is the round-trip migration of Arctic terns?​ A. Over 7,000 kilometers.​ B. Over 70,000 kilometers.​ C. Over 700,000 kilometers.​ D. Over 17,000 kilometers.​ 2.The underlined word “predators” in Paragraph 3 means ______ in Chinese.​ A. 伙伴 B. 天敌 C. 同类 D. 向导​ 3.Why do Arctic terns fly to the Arctic in summer?​ A. To avoid the hot weather.​ B. To find dark places to rest.​ C. To lay eggs and find food.​ D. To learn to fly long distances.​ 4.How do Arctic terns find their way during the journey?​ A. By following other birds’ sounds.​ B. By using the sun and stars.​ C. By remembering the mountains.​ D. By smelling the ocean winds.​ 5.What can we infer from the passage?​ A. Arctic terns are the largest birds in the world.​ B. Young Arctic terns need their parents to guide them.​ C. Arctic terns’ bodies are well-suited for long flights.​ D. The journey from the Arctic to the Antarctic is getting shorter. 【答案】1.B​2.B​3.C​4.B​5.C 【解析】本文介绍了北极燕鸥令人惊叹的迁徙之旅，包括迁徙距离、原因、途中的挑战以及它们具备的适应长途飞行的能力。文章围绕动物迁徙这一主题，展现了北极燕鸥的生存智慧，符合八年级上册对自然生物话题的学习要求。 第 1 题：细节理解题。考查对北极燕鸥往返迁徙距离这一具体信息的提取，文中第一段明确提到 “The round trip can be over 70,000 kilometers”，可直接找到答案，故选 B。​ 第 2 题：词义猜测题。需要结合上下文语境，根据 “facing strong winds and hungry predators” 可知，迁徙途中会遇到各种危险，“hungry” 提示该事物具有威胁性，由此推测 “predators” 意为 “天敌”，故选 B。​ 第 3 题：细节理解题。考查北极燕鸥夏季飞往北极的原因，文中第二段指出 “In summer, the Arctic is full of daylight, and there are plenty of insects for them to eat. They lay their eggs there”，即去那里觅食和产卵，故选 C。​ 第 4 题：细节理解题。考查北极燕鸥在迁徙途中辨别方向的方式，文中第三段提到 “They follow the sun and stars to find their way”，可直接找到对应内容，故选 B。​ 第 5 题：推理判断题。文中最后一段提到 “Their bodies are built for long flights—they have strong wings and light bones”，根据这些对北极燕鸥身体构造的描述，可推断出其身体适应长途飞行，故选 C。 学科网（北京）股份有限公司 $