Unit 5 Power of Ideas Section A 同步练习 2026-2027学年英语人教版英语九年级上册

**基本信息** 该同步练习通过“基础巩固-能力提升-阅读素养提升”三层设计，实现从词汇语法到语篇应用的渐进式知识巩固，培养语言能力与文化意识。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础巩固|核心词汇拼写、被动语态基础应用|单词拼写（10题）、语法单选（8题），直接考查基础知识点| |能力提升|被动语态综合运用、句型转换|词形变化（10题）、主动被动转换等句型转换（10题），深化语法应用| |阅读素养提升|语篇理解与文化情境应用|完形填空（文化传承）、任务型完形填空（科技展览），结合新情境培养阅读能力与文化意识|

Unit 5 Power of Ideas Section A 同步分层练习 基础巩固 I. 根据句意及汉语提示，完成下列单词的拼写 1. A mini-______（照相机）is connected to the front of the glasses to help people see better. 2. The 3D printer can ______（生产）many kinds of objects, from toys to houses. 3. A ______（文件）is created by the computer and sent to the printer. 4. The object is ______（设计）on a computer before it is printed. 5. Smart Cook has an app with many ______（食谱）for users to choose from. 6. The ______（发明者）of the radio was Guglielmo Marconi from Italy. 7. News could be ______（传播）around the world in seconds after the radio was invented. 8. The world was made much ______（更小的）by the radio because news travelled faster. 9. A radio message was ______（发送）across the Atlantic Ocean for the first time in 1901. 10. Because of the radio, many other important inventions were ______（开发）. II. 语法与情景对话 ( ) 11. — What are Super See glasses used for? — They ______ for people who can't see well. A. use B. used C. are used D. were used ( ) 12. — When ______ the telephone ______ by Alexander Bell? — In 1876. A. did; invent B. was; invented C. is; invented D. has; invented ( ) 13. — How does the 3D printer work? — First, the object ______ on a computer. A. design B. designed C. is designed D. was designed ( ) 14. — What do you think is the most useful invention? — The radio, because the world ______ much smaller by it. A. made B. is made C. was made D. has made ( ) 15. — The oil and salt ______ by the machine itself. — That's amazing! It can cook without any help. A. add B. added C. are added D. were added ( ) 16. — ______ was the radio invented? — An Italian inventor called Guglielmo Marconi. A. What B. When C. Who D. How ( ) 17. — Toys, chairs, tables, and even houses can all ______ by the 3D printer. — I'd love to see that! A. make B. be made C. made D. be making ( ) 18. — A radio message ______ across the Atlantic for the first time in 1901. — That was a great achievement at that time. A. sends B. sent C. is sent D. was sent III. 根据所给汉语提示完成句子，每空一词 19. 一副迷你相机被连接到眼镜的前面。 A mini-camera ______ ______ to the front of the glasses. 20. 所有的食物都被切好并油炸了。 All the food ______ ______ and fried. 21. 这个物体是在电脑上被设计的。 The object ______ ______ on a computer. 22. 这个文件被发送到3D打印机。 The file ______ ______ to the 3D printer. 23. 这个物体是通过堆积塑料来生产的。 The object ______ ______ by building up plastic. 24. 在收音机被发明之前，信息传播得很慢。 Before the radio ______ ______, information travelled very slowly. 25. 世界上第一架飞机飞行是在1903年12月完成的。 The world's first plane ______ ______ in December 1903. 26. 收音机使世界变得更小了。 The world ______ ______ much ______ by the radio. 能力提升 IV. 用括号内所给单词的适当形式填空 27. Super See glasses are ______ (design) for people who can't see well. 28. Words can be ______ (turn) into sound by the mini-camera. 29. The 3D printer can make arms, legs, and even ______ (heart) for medical use. 30. Food can also ______ (produce) by the 3D printer. 31. It is ______ (believe) that the world's oldest wheel was found in Eastern Europe. 32. The Qinghai-Xizang Railway ______ (complete) in 2006. 33. Different methods for creating something to write on ______ (try), but none were ideal. 34. The railway has ______ (increase) tourism and economic development in the area. 35. The papermaking technique ______ (speed) up the development of civilization around the world. 36. Creative ideas ______ (need) to solve different problems during the building of the railway. V. 按括号内的要求转换下列句型（每空限填一词） 37. A mini-camera is connected to the front of the glasses.（改为否定句） A mini-camera ______ ______ to the front of the glasses. 38. The telephone was invented by Alexander Bell in 1876.（对画线部分提问） ______ ______ the telephone invented by? 39. The 3D printer can make toys, chairs, tables, and even houses.（改为被动语态） Toys, chairs, tables, and even houses can ______ ______ by the 3D printer. 40. The file is sent to the 3D printer by the computer.（改为主动语态） The computer ______ the file ______ the 3D printer. 41. The radio was invented by an Italian inventor.（对画线部分提问） ______ ______ the radio invented by? 42. Cai Lun showed his creation to the emperor in 105 CE.（改为被动语态） His creation ______ ______ to the emperor by Cai Lun in 105 CE. 43. The paper was dried and pressed to form paper.（改为主动语态） They ______ and ______ the fibre to form paper.he emperor was very pleased with Cai Lun's paper.（改为同义句，用 of 所有格） The emperor was very pleased with the paper ______ ______. 44. Different methods were tried, but none were ideal.（对画线部分提问） ______ ______ tried? 45. The Qinghai-Xizang Railway was completed in 2006.（对画线部分提问） ______ ______ the Qinghai-Xizang Railway completed? 阅读素养提升 VI. 完形填空 【新情境·文化传承】介绍中国古代四大发明之一——造纸术的发明历程。 Can you imagine a world without books, newspapers, or magazines? All of these things depend on one 46. ______ — papermaking. In ancient China, many different materials were used to write 47. ______, such as animal bones, bronze wares, stones, wood, bamboo, and even silk. In the Western Han Dynasty, there was 48. ______ a very early form of paper made from jute. However, all of these materials were either difficult to use and store 49. ______ very expensive. As the head officer of the palace workshop, Cai Lun became interested in 50. ______ to solve the problem. From past experiences, he got the idea that bark, certain plants, and old clothes could be used to make a special material 51. ______ to write on. In the first step of Cai Lun's experiment, all the ingredients were mixed and 52. ______ in water. Then, this material was beaten, cut up, and mixed with water again. Next, the liquid was poured over a bamboo screen, 53. ______ just the fibre. Finally, this fibre was dried and pressed to form paper. 54. ______ everyone's surprise, this paper was soft, light, easy to make and use, and most importantly, cheap. The papermaking technique did not only speed up the development of civilization in China 55. ______ also around the world. ( ) 46. A. invention B. inventor C. invitation D. interview ( ) 47. A. in B. on C. at D. for ( ) 48. A. also B. too C. either D. neither ( ) 49. A. and B. so C. or D. but ( ) 50. A. try B. tried C. trying D. to try ( ) 51. A. suit B. suited C. suiting D. suitable ( ) 52. A. boil B. boiled C. boiling D. to boil ( ) 53. A. leave B. left C. leaving D. to leave ( ) 54. A. In B. On C. At D. To ( ) 55. A. and B. but C. so D. or VII. 任务型完形填空 【新情境·科技展览】3D打印机的发明与应用的介绍。 create produce design send read connect press invent use develop 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）。 The 3D printer is one of the most amazing 56.________ of modern times. Almost everything under the sun can be 57.________ by it. How does it work? First, the object is 58. ________ on a computer. Then, a file is 59. ________ and 60. ________ to the 3D printer. The 3D printer 61. ________ the file, and after that, the object is made by building up plastic. The 3D printer has many uses. In medicine, arms and legs can be 62. ________ to the body. In daily life, toys, chairs, and tables can all be made. It can even be 63. ________ to make food! The 3D printer shows us how creative ideas can 64. ________ our lives. As technology continues to 65. ________ forward, we can expect even more amazing inventions in the future. 参考答案 基础巩固 I. 1. camera 2. produce 3. file 4. designed 5. recipes 6. inventor 7. spread 8. smaller 9. sent 10. developed II. 11. C 12. B 13. C 14. C 15. C 16. C 17. B 18. D III. 19. is connected 20. is cut 21. is designed 22. is sent 23. is produced 24. was invented 25. was made 26. was made; smaller 能力提升 IV. 27. designed 28. turned 29. hearts 30. be produced 31. believed 32. was completed 33. were tried 34. increased 35. sped 36. were needed V. 37. is not 38. Who was 39. be made 40. sends; to 41. Who was 42. was shown 43. dried; pressed 44. What was 45. When was 阅读素养提升 VI. 46. A 47. B 48. A 49. C 50. C 51. D 52. B 53. C 54. D 55. B VII. 56. inventions 57.created 58. designed 59. produced 60. sent 61. reads 62. connected 63. used 64. develop 65. press 学科网（北京）股份有限公司 $