Unit 4 Amazing Plants and Animals Section A 同步练习 2026-2027学年英语人教版八年级上册

**基本信息** 初中英语人教版八年级上册Unit 4 Section A同步练，以“基础巩固-能力提升-阅读素养提升”三层递进设计，覆盖词汇、语法、语篇全链条，助力语言能力与思维品质协同发展。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础巩固|核心词汇拼写（如jungle, habitat）、被动语态基础应用|通过汉译英单词拼写、情景对话选择，夯实单元基础语言知识| |能力提升|词性转换（如poison→poisonous）、句型转换（主动变被动）|聚焦语法深层应用，设置时态与语态综合题，提升语言运用灵活性| |阅读素养提升|自然探索语篇理解（捕蝇草生存特性）|新情境完形填空与任务型填空结合，渗透环保意识，培养信息获取与逻辑推理能力|

Unit 4 Amazing Plants and Animals Section A 同步练习 2026-2027学年新教材英语人教版八年级上册 基础巩固 I. 根据句意及汉语提示，完成下列单词的拼写 1. The Amazon ______（丛林）is one of the most biodiverse places on Earth. 2. Only a small number of plants can ____（生存）in the cold and dry ____（沙漠）. 3. Many animals use ______（伪装）to avoid being attacked by predators. 4. This kind of frog is ______（有毒的）, so you mustn't touch it. 5. The loss of ______（栖息地）is a major threat to wild animals. 6. Scientists have discovered a new ______（物种）of fish in the deep sea. 7. It's our duty to ______（保护）the endangered animals and plants. 8. Most birds ______（繁殖）in warm seasons to raise their babies. 9. Animals need to ______（适应）to changes in their environment to live. 10. The elephant uses its trunk to ______（获取）food and water. II. 语法与情景对话 ( ) 11. — What are the leaves of this plant used for? — They ______ to make traditional medicine. A. use B. used C. are used D. were used ( ) 12. — When ____ this rare species ____ by scientists? — In 2019 during a rainforest expedition. A. did; discover B. was; discovered C. is; discovered D. has; discovered ( ) 13. — How do chameleons protect themselves? — Their skin ______ to match the colors around them. A. changes B. changed C. is changed D. was changed ( ) 14. — Why are pandas so important to protect? — Because they ______ as a symbol of wildlife conservation. A. regard B. are regarded C. regarded D. were regarded ( ) 15. — The trees in this area ______ to provide homes for birds. — That's why we shouldn't cut them down. A. plant B. planted C. are planted D. were planted ( ) 16. — ______ is the camel able to live in the desert? — Because it can store water in its hump. A. What B. When C. Why D. How ( ) 17. — Many endangered animals ______ in nature reserves now. — That's good news for wildlife. A. keep B. are kept C. kept D. were kept ( ) 18. — The special roots of cacti ______ to absorb water quickly. — No wonder they can survive in dry places. A. develop B. are developed C. developed D. were developed III. 根据所给汉语提示完成句子，每空一词 19. 这种植物的叶子被用来制作药物。 The leaves of this plant ____ ____ to make medicine. 20. 许多濒危动物被保护在自然保护区里。 Many endangered animals ____ ____ in nature reserves. 21. 变色龙的皮肤可以改变颜色来伪装自己。 The skin of a chameleon ____ ____ to camouflage itself. 22. 这个新物种是在2020年被发现的。 This new species ____ ____ in 2020. 23. 骆驼的驼峰被用来储存脂肪和水。 The camel's hump ____ ____ to store fat and water. 24. 森林被砍伐后，动物们失去了它们的栖息地。 Animals lost their habitats after the forests ____ ____. 25. 这种有毒的蘑菇不能被食用。 This poisonous mushroom ____ ____ ______. 26. 行动应该被采取来保护野生生物。 Action ____ ____ taken to protect wildlife. 能力提升 IV. 用括号内所给单词的适当形式填空 27. Many animals have ______ (develop) special skills to survive in harsh environments. 28. The ______ (poison) snake can kill its prey in seconds. 29. It's important for us to protect the ______ (survive) of endangered species. 30. This kind of frog ______ (discover) in the rainforest last year. 31. Cacti are well ______ (adapt) to living in dry deserts. 32. The habitats of wild animals ______ (destroy) by human activities in recent years. 33. Some plants use bright colors ______ (attract) insects for pollination. 34. It is ______ (believe) that there are still many unknown species in the deep sea. 35. The local government has made laws ______ (protect) the rare birds. 36. The leaves of this plant ______ (use) to treat certain diseases for centuries. V. 按括号内的要求转换下列句型（每空限填一词） 37. The leaves of this plant are used to make medicine.（改为否定句） The leaves of this plant ____ ____ used to make medicine. 38. This rare species was discovered by scientists in 2019.（对画线部分提问） ____ ____ this rare species discovered by? 39. People keep many endangered animals in nature reserves.（改为被动语态） Many endangered animals ____ ____ in nature reserves. 40. The camel uses its hump to store fat and water.（改为被动语态） The camel's hump ____ ____ to store fat and water. 41. Chameleons change their skin color to camouflage themselves.（改为被动语态） The skin color of chameleons ____ ____ to camouflage themselves. 42. We should protect the habitats of wild animals.（改为被动语态） The habitats of wild animals ____ ____ ______ by us. 43. The forests were cut down last year.（对画线部分提问） ____ ____ the forests ____ ____? 44. It is believed that there are many unknown species in the rainforest.（改为同义句） Many unknown species ____ ____ ______ exist in the rainforest. 阅读素养提升 VI. 完形填空 【新情境·自然探索】介绍神奇的食虫植物——捕蝇草的生存特性。 Have you ever heard of Venus flytraps? They are one of the most amazing 45. ______ in the world. Unlike other plants, they can catch and eat insects to get nutrients. Venus flytraps grow in wet, poor soil where there isn't enough nitrogen. To 46. ____, they have developed a special way to get food. Each leaf has two parts with tiny hairs on the surface. When an insect touches the hairs twice, the leaf 47. ____ closes quickly, trapping the insect inside. After the insect is caught, the leaf produces special liquids to 48. ____ it. It takes about 10 days for the plant to finish digesting the insect. Then the leaf opens again, waiting for the next 49. ____. Venus flytraps are native to the southeastern United States. But now they are 50. ____ because of habitat loss and over-collection. Many people love these plants and want to keep them as pets, but it's not easy to 51. ____ them at home. They need exactly the right kind of soil and water to live. Scientists are working hard to 52. ____ Venus flytraps. They have set up special areas to protect these plants in the wild. It's important for us to learn about these amazing plants and do our part to 53. ____ them. If you ever get a chance to see a Venus flytrap, take a moment to watch it. You'll be surprised by how 54. ______ nature can be. ( ) 45. A. animals B. plants C. insects D. flowers ( ) 46. A. survive B. grow C. develop D. reproduce ( ) 47. A. slowly B. suddenly C. easily D. quietly ( ) 48. A. kill B. catch C. digest D. keep ( ) 49. A. plant B. leaf C. insect D. nutrient ( ) 50. A. endangered B. protected C. popular D. common ( ) 51. A. buy B. sell C. keep D. find ( ) 52. A. study B. protect C. discover D. feed ( ) 53. A. save B. watch C. grow D. collect ( ) 54. A. beautiful B. strange C. powerful D. creative VII. 任务型完形填空 【新情境·植物科普】介绍捕蝇草的生存机制与保护现状。 survive, adapt, protect, discover, use, live, create, develop, hide, feed 阅读下面的短文，用方框中所给词的适当形式填空，使文意通顺，结构正确（每个单词限用一次）。 Venus flytraps are special plants that have 55. ____ unique ways to 56. ____ in poor soil. They don't get enough nutrients from the ground, so they have 57. ______ a way to catch insects for food. How do they do it? Their leaves are 58. ____ as traps. When an insect touches the tiny hairs on the leaf, the trap closes quickly, 59. ____ the insect inside. Then the plant produces liquids to 60. ______ on the insect. These plants 61. ____ in wet areas of the US. But now their habitats are being destroyed, so they need to be 62. ____. Scientists 63. ______ that Venus flytraps can only live in specific environments, so it's hard to grow them elsewhere. Venus flytraps show how plants can 64. ______ to their surroundings in amazing ways. They remind us of how wonderful nature is. 参考答案 基础巩固 I. 1. jungle 2. survive; desert 3. camouflage 4. poisonous 5. habitat 6. species 7. protect 8. reproduce 9. adapt 10. get II. 11. C 12. B 13. A 14. B 15. C 16. C 17. B 18. B III. 19. are used 20. are kept 21. is changed 22. was discovered 23. is used 24. were cut 25. can't be eaten 26. should be 能力提升 IV. 27. developed 28. poisonous 29. survival 30. was discovered 31. adapted 32. have been destroyed 33. to attract 34. believed 35. to protect 36. have been used V. 37. are not 38. Who was 39. are kept 40. is used 41. is changed 42. should be protected 43. When were; cut down 44. are believed to 阅读素养提升 VI. 45. B 46. A 47. B 48. C 49. C 50. A 51. C 52. B 53. A 54. D VII. 55. created 56. survive 57. developed 58. used 59. hiding 60. feed 61. live 62. protected 63. discovered 64. adapt 学科网（北京）股份有限公司 $