Unit2 Great Inventions and Discoveries词汇专项变形及巩固训练120题-2025-2026学年沪教版（五四制）英语八年级下册

沪教版（五四制）英语八年级下册 Unit2 Great Inventions and Discoveries词汇变形及专项巩固训练 满分120分 一、重点单词词性转换（共20分） 1. invent（v. 发明）→ ________（n. 发明） 1. discover（v. 发现）→ ________（n. 发现） 1. create（v. 创造）→ ________（adj. 有创造力的） 1. science（n. 科学）→ ________（adj. 科学的） 1. use（v. 使用）→ ________（adj. 有用的） 1. importance（n. 重要性）→ ________（adj. 重要的） 1. succeed（v. 成功）→ ________（n. 成功） 1. possible（adj. 可能的）→ ________（adv. 可能地） 1. develop（v. 发展）→ ________（n. 发展） 1. vary（v. 变化）→ ________（adj. 各种各样的） 1. explain（v. 解释）→ ________（n. 解释） 1. operate（v. 操作）→ ________（n. 操作；手术） 1. agree（v. 同意）→ ________（n. 同意） 1. simple（adj. 简单的）→ ________（adv. 简单地） 1. happy（adj. 高兴的）→ ________（n. 幸福） 1. care（v. 关心）→ ________（adj. 小心的） 1. hope（v. 希望）→ ________（adj. 有希望的） 1. skill（n. 技能）→ ________（adj. 熟练的） 1. power（n. 力量）→ ________（adj. 强大的） 1. protect（v. 保护）→ ________（n. 保护） 二、根据括号里单词的正确形式填空（共30分） 1. Edison was a great ________ (invent) who created many useful things. 2. The ________ (discover) of electricity changed the world greatly. 3. She is a ________ (create) designer and always has new ideas. 4. We should use ________ (science) methods to solve the problem. 5. This machine is very ________ (use) for cutting paper. 6. It is of great ________ (important) to learn English well. 7. His hard work led to his ________ (succeed) in the end. 8. It is ________ (possible) to finish the task in such a short time without help. 9. The ________ (develop) of technology makes our life easier. 10. There are ________ (vary) kinds of books in the library. 11. Can you give me a clear ________ (explain) of this rule? 12. The ________ (operate) of the new equipment requires training. 13. We all reached an ________ (agree) to have a picnic next weekend. 14. He explained the question ________ (simple) so that everyone could understand. 15. They lived a life full of ________ (happy) after retirement. 16. Be ________ (care) when you cross the busy street. 17. There is a ________ (hope) future for young people who work hard. 18. She is ________ (skill) in playing the piano and won many prizes. 19. The ________ (power) computer can process a lot of data quickly. 20. The ________ (protect) of wild animals is everyone's responsibility. 21. He spent three years ________ (research) the history of great inventions. 22. The new medicine has ________ (great) improved people's health. 23. We need ________ (much) time to complete the project than expected. 24. This is one of the ________ (amaze) discoveries in recent years. 25. The teacher encouraged us ________ (try) our best to make new inventions. 26. My father often tells me stories about ________ (brave) explorers. 27. The ________ (popular) of online shopping is growing rapidly. 28. They are busy ________ (prepare) for the science exhibition. 29. The old man has a lot of ________ (know) about traditional crafts. 30. She was ________ (excite) when she heard the good news about the new discovery. 三、根据句子中首字母提示完成合适的单词填空（共30分） 1. Edison i________ the light bulb, which brings light to people's life. 2. Columbus d________ America in 1492. 3. Einstein was a famous s________ who made great contributions to physics. 4. Computers are very u________ tools in modern society. 5. The i________ of the Internet has changed the way we communicate. 6. It is important for us to learn s________ knowledge to understand the world better. 7. She has a c________ mind and often comes up with new ideas. 8. With the d________ of technology, people's life is becoming more convenient. 9. There are v________ ways to solve this problem, so we can choose the best one. 10. Can you give me a detailed e________ of how this machine works? 11. The o________ of the new software is not difficult if you read the guide. 12. After a long discussion, we finally reached an a________ on the plan. 13. He explained the theory s________ so that even children could follow. 14. The h________ of the children makes the family full of joy. 15. Be c________ not to drop the glass when you carry it. 16. We are h________ that our team will win the science competition. 17. She is s________ in using the new equipment after a week's training. 18. The p________ wind blew down many trees in the park last night. 19. The p________ of the environment is a global issue that needs attention. 20. Scientists have been doing r________ on renewable energy for years. 21. The great invention has g________ changed people's daily life. 22. We need more time because this task is m________ difficult than we thought. 23. The a________ discovery surprised all the scientists in the world. 24. Teachers always encourage students to t________ new things and never give up. 25. The b________ of the explorers helped them overcome many difficulties. 26. The p________ of smartphones has made communication easier than before. 27. They are p________ for the school's science fair to show their inventions. 28. The old professor has rich k________ about ancient inventions. 29. All the students were e________ when they saw the new scientific experiment. 30. The invention of paper has a s________ influence on the development of culture. 四、用括号里汉语提示完成单词填空（共40分） 1. The ________ (发明) of the telephone made long-distance communication possible. 2. Newton's ________ (发现) of gravity is one of the most important scientific achievements. 3. She is a very ________ (有创造力的) artist who can make beautiful works from waste materials. 4. We should use ________ (科学的) methods to improve our study efficiency. 5. This app is ________ (有用的) for learning English words and grammar. 6. Everyone should realize the ________ (重要性) of protecting the environment. 7. His ________ (成功) comes from his hard work and never-give-up spirit. 8. It is ________ (可能的) for us to finish the work before Friday if we work together. 9. The rapid ________ (发展) of AI technology has attracted much attention. 10. There are ________ (各种各样的) books about great inventions in the school library. 11. Can you give a clear ________ (解释) of why you were late for the meeting? 12. The ________ (操作) of this machine requires professional training and experience. 13. After hours of discussion, they finally reached an ________ (同意) on the project plan. 14. He explained the complex theory ________ (简单地) so that everyone could understand. 15. The ________ (幸福) of a family lies in mutual understanding and care. 16. Please be ________ (小心的) when you use the sharp knife in the kitchen. 17. We are ________ (有希望的) that the new medicine will cure the disease. 18. He is ________ (熟练的) in repairing electronic devices and often helps his friends. 19. The ________ (强大的) army has been protecting the country's safety for years. 20. The ________ (保护) of cultural relics is crucial for passing down history and traditions. 21. Scientists have been doing ________ (研究) on cancer treatment for decades. 22. The new technology has ________ (极大地) improved the efficiency of production. 23. We need ________ (更多的) time to prepare for the science competition than we expected. 24. It is an ________ (令人惊讶的) discovery that this ancient tool was used for farming. 25. Teachers always encourage students to ________ (尝试) new things and face challenges bravely. 26. The ________ (勇敢) of the astronauts inspired many young people to pursue their dreams. 27. The ________ (普及) of electric cars is helping to reduce air pollution. 28. They are busy ________ (准备) for the invention show to display their new creations. 29. The old scholar has a lot of ________ (知识) about the history of Chinese inventions. 30. All the children were ________ (兴奋的) when they visited the science museum. 31. The ________ (影响) of the printing press on human civilization is immeasurable. 32. This new ________ (设备) can help doctors diagnose diseases more accurately. 33. He spent a lot of time ________ (改进) his invention until it worked perfectly. 34. The ________ (科学家) dedicated their lives to exploring the unknown world. 35. We should learn from the ________ (智慧) of ancient people who created great inventions. 36. The ________ (传播) of scientific knowledge helps people live a better life. 37. This ________ (创新的) design won the first prize in the national invention competition. 38. The ________ (历史) of great inventions shows that failure is the mother of success. 39. She has a ________ (天赋) for inventing things that can solve daily problems. 40. The ________ (合作) between scientists from different countries promoted the great discovery. 参考答案 一、重点单词词性转换（20题） 1.invention 2. discovery 3. creative 4. scientific 5. useful 6. important 7. success 8. possibly 9. development 10. various 11. explanation 12. operation 13. agreement 14. simply 15. happiness 16. careful 17. hopeful 18. skilled 19. powerful 20. protection 二、根据括号里单词的正确形式填空（30小题） 1.inventor 2. discovery 3. creative 4. scientific 5. useful 6. importance 7. success 8. impossible 9. development 10. various 11. explanation 12. operation 13. agreement 14. simply 15. happiness 16. careful 17. hopeful 18. skilled 19. powerful 20. protection 21. researching 22. greatly 23. more 24. amazing 25. to try 26. brave 27. popularity 28. preparing 29. knowledge 30. excited 三、根据句子中首字母提示完成合适的单词填空（30小题） 1.invented 2. discovered 3. scientist 4. useful 5. invention 6. scientific 7. creative 8. development 9. various 10. explanation 11. operation 12. agreement 13. simply 14. happiness 15. careful 16. hopeful 17. skilled 18. powerful 19. protection 20. research 21. greatly 22. more 23. amazing 24. try 25. bravery 26. popularity 27. preparing 28. knowledge 29. excited 30. significant 四、用括号里汉语提示完成单词填空（40小题） 1.invention 2. discovery 3. creative 4. scientific 5. useful 6. importance 7. success 8. possible 9. development 10. various 11. explanation 12. operation 13. agreement 14. simply 15. happiness 16. careful 17. hopeful 18. skilled 19. powerful 20. protection 21. research 22. greatly 23. more 24. amazing 25. try 26. bravery 27. popularity 28. preparing 29. knowledge 30. excited 31. influence 32. equipment 33. improving 34. scientists 35. wisdom 36. spread 37. innovative 38. history 39. talent 40. cooperation 学科网（北京）股份有限公司 $