Unit 4 Amazing Plants and Animals单元卷-2025-2026学年人教版（2024）八年级英语上册

Unit 4 Amazing Plants and Animals 单元检测卷 班级：__________ 姓名：__________ 分数：__________ 满分：100分 时间：90分钟 一、单项选择 (共15小题；每小题1分，满分15分) 从A、B、C、D四个选项中选择可以填入空白处的最佳答案。 ( ) 1. The panda is a(n) ______ animal. We must protect it. A. common B. amazing C. dangerous D. endangered ( ) 2. The rainforest is ______ with many plants and animals. A. covered B. built C. filled D. made ( ) 3. Camels can live in the desert because they can ______ water for a long time. A. save B. waste C. store D. drink ( ) 4. The ______ of this flower is very sweet. It attracts bees. A. smell B. leaf C. root D. stem ( ) 5. The giraffe has a very long ______ to eat leaves from tall trees. A. leg B. neck C. tail D. ear ( ) 6. We should do something to ______ the environment for these animals. A. protect B. pollute C. forget D. leave ( ) 7. The Venus flytrap is a special plant that ______ insects. A. eats B. grows C. plants D. smells ( ) 8. The ______ of the tree are under the ground. They take in water. A. leaves B. branches C. roots D. flowers ( ) 9. Many animals are losing their ______ because forests are getting smaller. A. food B. water C. homes D. friends ( )10. The cactus has ______ to protect itself from animals. A. thick stems B. sweet smells C. sharp spines D. beautiful flowers ( )11. Elephants are ______ animals. They help to keep the forest healthy. A. stupid B. amazing C. ugly D. small ( )12. The koala ______ the leaves of the eucalyptus tree. A. lives on B. lives in C. lives for D. lives with ( )13. Scientists are ______ new species in the deep sea. A. losing B. finding C. killing D. forgetting ( )14. The climate in this area is ______ for these plants to grow. A. perfect B. terrible C. impossible D. difficult ( )15. — Why are polar bears in danger? — Because the ice in the Arctic is ______ due to global warming. A. growing B. melting C. appearing D. increasing 二、完形填空 (共10小题；每小题1.5分，满分15分) 阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。 The natural world is full of amazing plants and animals. Each one has its own way to live and survive. For example, the cactus lives in very dry places. It 16_____ water in its thick stem. Its sharp spines keep animals 17 _____eating it. The Venus flytrap is another interesting plant. It lives in poor soil, so it gets nutrients by 18_____ insects. Animals are also amazing. The chameleon can 19_____ its color to match its environment. This helps it hide from 20 _____ . The Arctic tern is a bird that travels from the Arctic to the Antarctic and back every year. It has the longest 21_____ of any animal. However, many of these amazing animals are now in 22_____ . Their homes are being destroyed by human activities. Some animals are hunted for their fur, teeth, or other 23_____ . Pollution and climate change are also big problems. It is our 24_____ to protect them. We can help by learning about them, reducing pollution, and supporting nature reserves. If we don't act now, our children might never see these 25_____ animals. ( )16. A. wastes B. stores C. drinks D. loses ( )17. A. from B. to C. for D. with ( )18. A. planting B. growing C. catching D. smelling ( )19. A. keep B. make C. change D. paint ( )20. A. friends B. enemies C. food D. plants ( )21. A. migration B. vacation C. invention D. station ( )22. A. safety B. danger C. happiness D. space ( )23. A. parts B. homes C. stories D. sounds ( )24. A. hobby B. job C. duty D. idea ( )25. A. terrible B. common C. amazing D. dangerous 三、阅读理解 (共15小题；每小题2分，满分30分) 阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。 A The Amazing Octopus The octopus is a very intelligent animal that lives in the ocean.It has three hearts and blue blood. When an octopus is in danger, it can do amazing things to escape. First, it can change its color and texture to match the rocks or plants around it. This makes it almost invisible. Second, it can release a dark ink into the water. The ink makes the water dark, so the enemy cannot see it. While the enemy is confused, the octopus swims away quickly. Third, if an enemy catches one of its arms, the octopus can break off the arm and escape. Later, it can grow a new arm. ( )26. How many hearts does an octopus have? A. One. B. Two. C. Three. D. Four. ( )27. Why does an octopus release ink? A. To make the water dirty. B. To attract a mate. C. To hide from the enemy. D. To find food. ( )28. What can an octopus do if an enemy catches its arm? A. It can fight back. B. It can change its color. C. It can break off the arm and escape. D. It can release ink. ( )29. What is the main idea of the passage? A. The octopus is a dangerous animal. B. The octopus has amazing ways to protect itself. C. The octopus has blue blood. D. The octopus lives in the ocean. B The Amazon rainforest is the largest rainforest in the world. It is home to millions of species of plants and animals. Many of them are not found anywhere else on Earth. The rainforest is very important to our planet. It produces about 20% of the world's oxygen. It is also called the "lungs of the Earth". The trees in the rainforest help to control the world's climate by taking in carbon dioxide. However, the Amazon rainforest is in danger. Large areas are being cut down for wood, farming, and building roads. This destruction destroys the homes of many animals and plants. It also affects the climate. We need to protect the rainforest. We can use less paper and wood products. We can also support organizations that work to protect the rainforest. ( )30. Why is the Amazon rainforest called the "lungs of the Earth"? A. Because it is very large. B. Because it produces a lot of oxygen. C. Because it has many animals. D. Because it is wet. ( )31. How do the trees in the rainforest help control the climate? A. By providing homes for animals. B. By taking in carbon dioxide. C. By making the air wet. D. By producing wood. ( )32. What is NOT a reason for the destruction of the rainforest? A. Cutting down trees for wood. B. Building roads. C. Planting more trees. D. Clearing land for farming. ( )33. What can we do to help protect the rainforest? A. Use more paper. B. Buy more wood products. C. Support protecting organizations. D. Travel to the rainforest. C Bees are small insects, but they are very important to us. They play a key role in helping plants grow. When bees fly from flower to flower to collect nectar, they carry pollen with them. This helps the flowers make fruits and seeds. This process is called pollination. Many of the foods we eat, like apples, almonds, and cucumbers, need bees for pollination. Without bees, we would not have these foods. But now, bees are in trouble. They are dying in large numbers. Scientists think this might be because of pesticides, loss of flowers, and diseases. We can help bees by planting more flowers in our gardens. We should avoid using pesticides. We can also build small "bee hotels" for them to live in. Let's all do our part to protect these amazing and important insects. ( )34. What is the main job of bees in helping plants? A. They eat the pests on plants. B. They carry pollen between flowers. C. They make honey from flowers. D. They water the plants. ( )35. Which food needs bees for pollination? A. Rice. B. Apples. C. Carrots. D. Potatoes. ( )36. What is NOT a reason for bees dying? A. Pesticides. B. Planting more flowers. C. Loss of flowers. D. Diseases. ( )37. How can we help bees according to the passage? A. By using more pesticides. B. By cutting down flowers. C. By building bee hotels. D. By catching them. 四、词汇运用 (共10小题；每小题1分，满分10分) A)根据句意及首字母或汉语提示完成单词。 1. The environment is the natural world around us. (写出划线单词的汉语意思) ______ 2. This kind of bird is endangered. We must save it. (写出划线单词的汉语意思) ______ 3. The atmosphere is the air that surrounds the Earth. (写出划线单词的汉语意思) ______ 4. We should ______ (保护) wild animals. 5. The ______ (气候) in this area is very hot and dry. B) 用所给词的适当形式填空。 1. Many animals ______ (lose) their homes now. 2. We should avoid ______ (use) too much plastic. 3. The panda ______ (live) on bamboo. 4. The elephant is one of the ______ (large) land animals. 5. It's important ______ (study) about animals and plants. 五、书面表达 (满分30分) 地球上有许多神奇而又独特的动植物，但它们正面临威胁。请以“Protect Amazing Animals and Plants”为题，写一篇短文。 内容要点包括： 1. 介绍一种你认为很神奇或很喜欢的动植物（如大熊猫、捕蝇草等）。 2. 说明它正面临什么危险或问题。 3. 提出1-2条保护它的建议。 要求： 1. 语句通顺，意思连贯，书写工整； 2. 包含所有要点，可适当发挥； 3. 词数80左右。 Protect Amazing Animals and Plants Our planet is home to many amazing animals and plants.____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Let's take action now to protect them! 【参考答案】 一、单项选择 (1*15=15分) 1. D 2. C 3. C 4. A 5. B 2. A 7. A 8. C 9. C 10. C 3. B 12. A 13. B 14. A 15. B 二、完形填空 (1.5*10=15分) 1. B 17. A 18. C 19. C 20. B 2. A 22. B 23. A 24. C 25. C 三、阅读理解 (2*15=30分) 1. C 27. C 28. C 29. B 30. B 2. B 32. C 33. C 34. B 35. B 3. B 37. C 四、词汇运用 (1*10=10分) A)38. 环境 39. 濒危的 40. 大气；空气 41. protect 42. climate B)43. are losing 44. using 45. lives 46. largest 47. to study 五、书面表达 (30分) 范文参考： Protect Amazing Animals and Plants Our planet is home to many amazing animals and plants.My favorite animal is the giant panda. It is black and white and looks very cute. It mainly lives on bamboo. However, giant pandas are endangered. They are losing their homes because forests are being cut down. Also, it is difficult for them to find enough food. To protect pandas, we should protect their forests and plant more bamboo. We can also support panda reserves. Let's take action now to protect them! 学科网（北京）股份有限公司 $