Unit5 Looking into nature 基础知识巩固训练-2025-2026学年外研版八年级下册英语

外研版八年级下册英语 Unit5 Looking into nature 基础知识巩固训练 一、本单元单词测试（根据句意及首字母/汉语提示写单词，注意形式变化） 1. The scientist spent years __________ (探索) the deep sea, hoping to discover unknown marine species and understand underwater ecosystems. 1. The __________ (现象) of migration is common among birds, which travel thousands of miles every year to find suitable habitats. 1. We should __________ (观察) the changes of plants carefully in spring, as they can show us the magic of nature’s growth. 1. The __________ (壮丽的) view of the snow-capped mountains left all the tourists deeply impressed and speechless. 1. The __________ (生态系统) of the rainforest is extremely complex, with countless plants and animals depending on each other for survival. 1. It is important to __________ (保护) the natural habitats of wild animals, as their survival is closely related to the balance of nature. 1. The __________ (多样性) of life on Earth is amazing, and every species plays a unique role in maintaining ecological stability. 1. She has a deep __________ (热爱) for nature, and she often goes hiking in the mountains to enjoy the fresh air and beautiful scenery. 1. The __________ (神秘的) lights in the night sky attracted many astronomers, who tried to explain their origin through scientific research. 1. Plants __________ (吸收) carbon dioxide and release oxygen, which is essential for the survival of all living creatures. 1. The river __________ (流动) gently through the village, providing water for irrigation and daily use for the local people. 1. The __________ (寂静) of the forest at dawn is broken only by the songs of birds and the rustling of leaves. 1. We need to __________ (尊重) nature’s laws and avoid doing things that may damage the ecological balance. 1. The __________ (生命力) of weeds is extremely strong; they can grow in even the harshest environments. 1. The __________ (循环) of water in nature—from rain to rivers to oceans and back to rain—is a wonderful natural process. 二、重点单词词性转换 1. explore (名词：探索；探险家) __________ / __________ 2.现象 (名词：phenomenon；复数形式) __________ 2. observe (名词：观察；观察者) __________ / __________ 3. magnificent (副词：壮丽地；极好地) __________ 4. ecology (名词：生态系统) __________ 5. protect (名词：保护；形容词：受保护的) __________ / __________ 6. diverse (名词：多样性) __________ 7. love (名词：热爱；形容词：充满爱的) __________ / __________ 8. mystery (形容词：神秘的；副词：神秘地) __________ / __________ 9. absorb (名词：吸收) __________ 10. flow (过去式；过去分词) __________ / __________ 11. silent (名词：寂静；副词：寂静地) __________ / __________ 12. respect (形容词：值得尊敬的；副词：恭敬地) __________ / __________ 13. live (名词：生命；形容词：有生命力的) __________ / __________ 14. circulate (名词：循环；形容词：循环的) __________ / __________ 三、短语翻译（汉译英/英译汉） （一）汉译英 1. 探索自然 __________ 2. 观察自然现象 __________ 3. 生态系统 __________ 4. 生物多样性 __________ 5. 自然栖息地 __________ 6. 保持生态平衡 __________ 7. 吸收二氧化碳 __________ 8. 释放氧气 __________ 9. 水流循环 __________ 10. 热爱自然 __________ 11. 壮丽的景色 __________ 12. 尊重自然规律 __________ 13. 打破寂静 __________ 14. 依赖彼此 __________ 15. 适应环境 __________ （二）英译汉 1. look into nature __________ 2. observe natural phenomena __________ 3. ecological system __________ 4. biological diversity __________ 5. natural habitat __________ 6. maintain ecological balance __________ 7. absorb carbon dioxide __________ 8. release oxygen __________ 9. water cycle __________ 10. a passion for nature __________ 11. magnificent scenery __________ 12. respect the laws of nature __________ 13. break the silence __________ 14. depend on each other __________ 15. adapt to the environment __________ 16. marine species __________ 17. snow-capped mountains __________ 18. scientific research __________ 19. harsh environments __________ 20. the magic of nature __________ 四、用所给单词的适当形式填空. 1. By the end of next year, the research team __________ (explore) the tropical rainforest for three months and collected a lot of data about rare plants. 2. Since she was a child, she __________ (observe) birds’ behaviors carefully, and now she has written a book about bird migration. 3. It is necessary for students __________ (learn) about the water cycle and understand how nature maintains its balance. 4. If we continue to destroy natural habitats, many species __________ (lose) their homes and even become extinct in the near future. 5. The ecological system of the lake __________ (change) greatly over the past decade due to pollution, and many fish have disappeared. 6. The teacher told us that every living creature __________ (play) an important role in maintaining the balance of nature. 7. When we walked through the forest yesterday, we __________ (hear) the sound of a stream flowing and birds singing in the trees. 8. We __________ (not realize) the importance of protecting biological diversity until we face the consequences of ecological destruction. 9. Plants __________ (absorb) nutrients from the soil and sunlight from the sun to grow, which is a basic natural law. 10. By the time we finish this project, we __________ (study) more than 50 natural phenomena and their causes. 五、阅读理解。 Looking into nature is a way to connect with the world around us and gain a deeper understanding of the environment. Nature is full of surprises and lessons that can enrich our lives and broaden our horizons. One of the most important lessons nature teaches us is the importance of balance. Every ecosystem has its own unique balance, and any disturbance can have serious consequences. For example, if too many trees are cut down, the soil will lose its protection and erode easily. This will not only affect the plants and animals that live in the forest but also cause floods and other natural disasters. Therefore, it is crucial for us to maintain the balance of nature and avoid disrupting its systems. Another lesson we can learn from nature is the power of adaptation. Many plants and animals have developed unique characteristics to survive in harsh environments. For instance, cacti can store water in their stems to survive in deserts, and polar bears have thick fur to keep warm in the Arctic. Their ability to adapt to changing conditions is an inspiration to us, showing us that we too can overcome challenges by being flexible and resilient. Looking into nature also brings us mental and emotional benefits. Spending time in nature can reduce stress, calm our minds, and improve our overall well-being. The fresh air, beautiful scenery, and peaceful atmosphere of nature help us escape from the hustle and bustle of daily life and reconnect with our inner selves. Whether we are walking through a forest, sitting by a lake, or watching the sunset over the ocean, nature has a way of healing and refreshing us. In addition, exploring nature can spark our curiosity and encourage scientific thinking. Observing natural phenomena such as the migration of birds, the growth of plants, or the formation of clouds can inspire us to ask questions and seek answers. This spirit of inquiry is essential for scientific progress and helps us develop a better understanding of the world we live in. In conclusion, looking into nature is not only a source of joy and inspiration but also a way to learn important lessons about balance, adaptation, and responsibility. By exploring and protecting nature, we can improve our own lives and contribute to the well-being of the planet. Let’s make an effort to spend more time in nature, observe its wonders, and take action to protect it. ( ) 1. What is one of the most important lessons nature teaches us? A. The importance of money. B. The importance of balance. C. The importance of fame. D. The importance of power. ( ) 2. What will happen if too many trees are cut down? A. The soil will erode easily. B. The air will become cleaner. C. The number of animals will increase. D. The climate will become warmer. ( ) 3. How do cacti survive in deserts? A. They have thick fur. B. They can fly. C. They store water in their stems. D. They hibernate in winter. ( ) 4. What mental and emotional benefits does spending time in nature bring? A. It increases stress. B. It calms our minds. C. It makes us angry. D. It makes us anxious. ( ) 5. What can observing natural phenomena inspire us to do? A. Ask questions and seek answers. B. Give up easily. C. Ignore the environment. D. Waste natural resources. ( ) 6. What is the spirit of inquiry essential for? A. Scientific progress. B. Making money. C. Winning competitions. D. Getting good grades. ( ) 7. What is the writer’s attitude towards looking into nature? A. Negative. B. Neutral. C. Positive. D. Indifferent. ( ) 8. What does the word “resilient” mean in Paragraph 3? A. Weak. B. Strong and able to recover quickly. C. Lazy. D. Careless. ( ) 9. Why is it crucial to maintain the balance of nature? A. Because it can help us make more money. B. Because any disturbance can have serious consequences. C. Because it can make us famous. D. Because it can help us win competitions. ( ) 10. What is the main idea of the passage? A. The importance of looking into nature and what we can learn from it. B. The dangers of nature. C. How to make money from nature. D. How to destroy nature. 七、汉译英（一空一词，注意时态和句式） 1. 探索自然不仅能让我们放松身心，还能拓宽我们的视野。 Looking into nature can __________ __________ help us relax physically and mentally __________ __________ broaden our horizons. 2. 自从我开始观察鸟类以来，我已经学到了很多关于它们生活习性的知识。Since I started __________ birds, I __________ __________ a lot about their living habits. 3. 生态系统的平衡对所有生物的生存都至关重要。 The balance of the ________ _________ is crucial to the __________ of all living creatures. 4. 如果我们不采取行动保护自然栖息地，许多物种将面临灭绝的危险。 If we do not take action to protect __________ __________, many species __________ __________ __________ of extinction. 5. 植物通过吸收二氧化碳和释放氧气来维持自然界的空气清洁。 Plants ________ the air in nature clean by ________ carbon dioxide and ________ oxygen. 6. 水在自然界中的循环是一个复杂但神奇的过程。 The __________ of water in nature is a __________ but __________ process. 7. 我们应该尊重自然规律，而不是试图破坏它们。We should __________ the __________ of nature __________ __________ trying to destroy them. 8. 生物多样性的丧失已经成为一个严重的环境问题。 The ________ of ________ __________ has become a serious environmental problem. 9. 在大自然中度过时光能帮助我们摆脱日常生活的喧嚣，重新连接内心。 Spending time in nature can help us ________ _________ the hustle and bustle of daily life and __________ __________ our inner selves. 10. 科学家们已经花了数年时间探索深海，希望发现新的海洋物种。 Scientists __________ __________ years __________ the deep sea, hoping to _________ new marine species. 参考答案 一、单词测试 。 1. exploring 2. phenomenon 3. observe 4. magnificent 5. ecosystem 6. protect 7. diversity 8. love 9. mysterious 10. absorb 11. flows 12. silence 13. respect 14. vitality 15. cycle 二、词性转换。 1. exploration / explorer 2. phenomena 3. observation / observer 4. magnificently 5. ecosystem 6. protection / protected 7. diversity 8. love / loving 9. mysterious / mysteriously 10. absorption 11. flowed / flowed 12. silence / silently 13. respectable / respectfully 14. life / lively 15. circulation / circulatory 三、短语翻译。 （一）汉译英 1. look into nature 2. observe natural phenomena 3. ecological system 4. biological diversity 5. natural habitat 6. maintain ecological balance 7. absorb carbon dioxide 8. release oxygen 9. water cycle 10. a passion for nature 11. magnificent scenery 12. respect the laws of nature 13. break the silence 14. depend on each other 15. adapt to the environment （二）英译汉 1. 探索自然 2. 观察自然现象 3. 生态系统 4. 生物多样性 5. 自然栖息地 6. 保持生态平衡 7. 吸收二氧化碳 8. 释放氧气 9. 水循环 10. 对自然的热爱 11. 壮丽的景色 12. 尊重自然规律 13. 打破寂静 14. 依赖彼此 15. 适应环境 16. 海洋物种 17. 雪山 18. 科学研究 19. 恶劣环境 20. 自然的魔力 四、适当形式填空 。 1. will have explored 2. has observed 3. to learn 4. will lose 5. has changed 6. plays 7. heard 8. won’t realize 9. absorb 10. will have studied 五、阅读理解 。 1. B 2. A 3. C 4. B 5. A 6. A 7. C 8. B 9. B 10. A 六、汉译英。 1. not only; but also 2. observing; have learned 3. ecological system; survival 4. natural habitats; will be in danger 5. keep; absorbing; releasing 6. cycle; complex; magical 7. respect; laws; rather than 8. loss; biological diversity 9. escape from; reconnect with 10. have spent; exploring; discover 学科网（北京）股份有限公司 $