Unit 4 Amazing Plants and Animals Section A(1a-1d) (同步练） 2025-2026学年人教版八年级英语上册

**基本信息** 本同步练以“Amazing Plants and Animals”为主题，通过基础词汇、语法应用到语篇综合的三层递进设计，精准匹配新授课目标，强化语言能力与思维品质的协同发展。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层|核心词汇（large/fast等形容词）、词形变化|首字母填空（如“l________ animal”）和词形填空（如“the _______ (large)”），聚焦单一知识点记忆与拼写| |进阶层|语法规则（比较级/最高级、介词搭配等）|单选（如“the ______ animal”选最高级）和选词填空（如“fast/faster”辨析），强化语法应用与语境判断| |综合层|语篇理解与表达|补全对话（问答动植物特征）、阅读还原（介绍袋鼠/向日葵等）及阅读选择，提升信息提取与逻辑推理能力|

Unit 4 Amazing Plants and Animals Section A(1a-1d) 一、根据首字母或句意提示写出单词 1. The blue whale is the l__________ animal in the world. 2. The cheetah is the f__________ land animal. 3. The redwood tree is one of the t__________ trees on Earth. 4. Moss is a very s__________ plant. It grows on rocks and trees. 5. The blue whale is also the h__________ animal on Earth. 6. Some redwood trees are over 2,000 y__________ old. 7. The cheetah can run very fast. It’s an a__________ animal. 8. The moss is small but b__________. It looks like a green carpet. 9. The blue whale can weigh as much as 200,000 kilograms. It’s very h__________. 10. The redwood tree grows very t__________. It can reach over 100 metres. 二、用括号内所给词的适当形式填空 1.The blue whale is the _______ (large) animal in the world. 2.Moss is one of the _______ (old) plants on Earth. 3.My brother and I _______ (agree) to protect redwood trees last week. 4.I think the cheetah runs _______ (fast) than any other animal on land. 5.We should stop _______ (pollute) the ocean to help blue whales. 6.The redwood tree is one of the _______ (tall) trees in the world. 三、单项选择 （ ）1. The blue whale is ______ animal in the world. A. large B. larger C. largest D. the largest （ ）2. The cheetah runs ______ than any other land animal. A. fast B. faster C. fastest D. the fastest （ ）3. Moss is one of the ______ plants on Earth. A. small B. smaller C. smallest D. the smallest （ ）4. —What’s amazing about the redwood tree? —It’s ______ tree in the world. A. tall B. taller C. tallest D. one of the tallest （ ）5. The blue whale is ______ than any other animal on Earth. A. heavy B. heavier C. heaviest D. the heaviest （ ）6. The cheetah can run ______ 120 kilometres per hour. A. up to B. up for C. up at D. up in （ ）7. Some redwood trees are more than 2,000 years old. They are very ______. A. young B. old C. new D. long （ ）8. Moss is a small plant, but it ______ beautiful. A. look B. looks C. looking D. to look （ ）9. The blue whale is the largest animal ______ the world. A. on B. at C. in D. for （ ）10. —What’s amazing about the cheetah? —______ the fastest land animal. A. It’s B. Its C. It D. Is 四、选词填空（二选一） 1. The blue whale is the __________ (largest / largestest) animal in the world. 2. The cheetah is __________ (fast / faster) than the lion. 3. The redwood tree is one of the __________ (tall / tallest) trees on Earth. 4. Moss is very small, __________ (and / but) it is beautiful. 5. The blue whale can __________ (weight / weigh) up to 200,000 kilograms. 6. Some redwood trees are __________ (more than / more then) 2,000 years old. 7. The cheetah can run __________ (as fast as / so fast as) 120 kilometres per hour. 8. Moss grows __________ (in / on) rocks and trees. 9. The blue whale is __________ (the heavy / the heaviest) animal on Earth. 10. __________ (What / How) amazing about the redwood tree? It’s very tall. 五、补全对话 A: Look at these pictures. 1. __________ B: The blue whale is the largest animal in the world. A: 2. __________ B: It can weigh up to 200,000 kilograms. A: Wow! That’s really heavy. 3. __________ B: It’s the cheetah. It’s the fastest land animal. A: 4. __________ B: It can run up to 120 kilometres per hour. A: That’s amazing! 5. __________ B: The redwood tree is one of the tallest trees on Earth. A: How tall is it? B: It can reach over 100 metres. A. What about the cheetah? B. What’s the heaviest animal? C. How fast can it run? D. What’s amazing about the redwood tree? E. What’s the largest animal in the world? 六、阅读还原 There are many amazing plants and animals in the world. Each has its own special traits. 1.______ The kangaroo has a strong pouch on its belly. Baby kangaroos live in the pouch until they grow up. 2.______ That's why it's a special jumper in the animal world. 3.______It turns slowly during the day to face the sun. When it grows, it can be over 3 meters tall, with big yellow flowers. That's why it's called a "sun chaser" in the plant world. The octopus is clever. It has eight long arms to catch food. When in danger, it can spray dark ink to hide and escape. 4.______ The cactus is good at living in dry places.5.______ Its sharp spines keep animals from eating it. That's why it's a great "dry land survivor." These plants and animals show us how wonderful nature is. We must care for them. A. The sunflower is a lovely plant. B. Let's learn about some of them. C. That's why it's a smart survivor in the ocean. D.It stores water in its thick stem to survive hot, dry weather. E. It can also jump very far—up to 9 meters in one leap! 七、阅读选择 The blue whale is the largest animal on Earth. It is even larger than the biggest dinosaurs. A blue whale can grow up to 30 metres long and weigh as much as 200,000 kilograms. Its heart is as big as a small car. The cheetah is the fastest land animal. It can run up to 120 kilometres per hour. It can go from 0 to 100 kilometres per hour in just three seconds. The redwood tree is one of the tallest trees in the world. Some redwood trees are over 100 metres tall. They can live for more than 2,000 years. Moss is a very small plant. It grows on rocks, trees, and the ground. It looks like a green carpet. Moss is very soft and beautiful. （ ）1. How long can a blue whale grow? A. Up to 20 metres. B. Up to 30 metres. C. Up to 100 metres. D. Up to 200 metres. （ ）2. How fast can a cheetah run? A. 100 kilometres per hour. B. 120 kilometres per hour. C. 200 kilometres per hour. D. 30 kilometres per hour. （ ）3. How long can redwood trees live? A. More than 100 years. B. More than 500 years. C. More than 1,000 years. D. More than 2,000 years. （ ）4. Where does moss grow? A. Only on rocks. B. Only on trees. C. On rocks, trees, and the ground. D. Only on the ground. （ ）5. Which of the following is TRUE according to the passage? A. The blue whale is the fastest animal. B. The cheetah is the largest animal. C. The redwood tree is one of the tallest trees. D. Moss is a very large plant. 答案 一、根据首字母或句意提示写出单词 1. largest 2. fastest 3. tallest 4. small 5. heaviest 6. years 7. amazing 8. beautiful 9. heavy 10. tall 二、用括号内所给词的适当形式填空 1. largest ; 2. oldest ; 3. agreed ; 4. faster ; 5. polluting ; 6. tallest 三、单项选择 1. D 2. B 3. C 4. D 5. B 6. A 7. B 8. B 9. C 10. A 四、选词填空 1. largest 2. faster 3. tallest 4. but 5. weigh 6. more than 7. up to 8. on 9. the heaviest 10. What 五、补全对话 1. E 2. B 3. A 4. C 5. D 六、阅读还原 1. B；2. E；3. A；4. C；5. D 七、阅读选择 1. B 2. B 3. D 4. C 5. 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