Unit5 Power of Ideas Section A（3a-4c）课时同步练习2026-2027学年人教版英语九年级上册

**基本信息** 本同步练习以“夯实基础-能力进阶-拓展提高”三级分层设计，构建从词汇到语篇的知识巩固路径，融合语言能力培养与文化意识渗透，适配新授课基础巩固与适度提升需求。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |夯实基础|核心词汇（树皮、纤维等）、短语（由……制成等）、词形变换|通过汉译英、词形转换题型，强化语言能力中的基础语言知识积累| |能力进阶|被动语态综合应用、主动被动互换、情景对话|以语法填空、句型转换及补全对话，提升思维品质中的分析与应用能力| |拓展提高|课内同源阅读、课外拓展阅读（含简答、微写作）|结合语篇理解与输出任务，渗透文化意识（中国发明文化），发展学习能力与综合语言运用能力|

Unit5 Power of Ideas Section A（3a‑4c）同步练习 建议用时：25分钟 一、单词汉译英 1. 树皮 ________　　2. 纤维 ________　　3. 煮沸 ________ 4. 敲打 ________　　5. 筛子 ________　　6. 干燥 ________ 7. 传播 ________　　8. 发展 ________ 二、短语汉译英 1. 例如 ____________　　2. 由……制成 ____________　　3. 在古代 ____________ 4. 把……混合 ____________　　5. 全世界 ____________ 三、词形变换 1. boil (v.) → ________ (过去分词) 2. dry (v.) → ________ (过去分词) 3. spread (v.) → ________ (过去分词) 4. develop (v.) → ________ (n.发展) 5. mix (v.) → ________ (过去分词) 一、语法单句填空（被动语态综合） 1. Paper ________ (create) by Cai Lun in Eastern Han Dynasty. 2. All the materials ________ (mix) together before they were boiled. 3. The liquid ________ (pour) over a bamboo screen long ago. 4. This kind of paper ________ (spread) to other countries later. 5. Many new technologies ________ (develop) at that time. 二、句型转换（主动被动互换，每空一词） 1. Cai Lun invented this new kind of paper.（改为被动） → This new kind of paper ________ ________ by Cai Lun. 2. People mixed all the materials.（改为被动） → All the materials ________ ________ by people. 3. They poured the liquid over a bamboo screen.（改为被动） → The liquid ________ ________ over a bamboo screen. 4. People spread papermaking all over the world.（改为被动） → Papermaking ________ ________ all over the world. 5. Did people use bamboo for writing in ancient times?（改为被动一般疑问） → ________ bamboo ________ for writing in ancient times? 三、选词填空 【bark, boil, mix, spread, develop】 1. People used tree ________ to make paper many years ago. 2. You need to ________ all these things in hot water. 3. Please ________ these different materials well. 4. The culture of China ________ to many foreign countries. 5. New skills were ________ little by little. 四、情景补全对话（2项多余） A. Who was paper invented by？　 B. When was it invented？　 C. What was paper made from at first？ D. Where did it spread later？　 E. It is really amazing. F. Why was paper invented? A: Do you know something about paper? B: Sure. 1.________ A: It was invented by Cai Lun. B: Wow! 2.________ A: Yes. 3.________ B: At first it was made from tree bark and old cloth. A: 4.________ B: Later it spread to other countries. Passage1 课内同源阅读 　　Papermaking is one of the greatest ancient Chinese inventions. It was invented by Cai Lun in Eastern Han Dynasty. At first, paper was made from tree bark, old cloth and plant fibres. All the materials were mixed and boiled in water. Then the liquid was poured over a bamboo screen. After drying, paper was finished. This new kind of paper was cheap and useful. Later, papermaking was spread all over the world. It helped the development of culture around the world. 任务一：单项选择 1. Who invented papermaking? A. A foreign man B. Cai Lun C. We don’t know D. A worker 2. What was paper made from at first? A. Only stones B. Tree bark and old cloth C. Metal D. Wood only 任务二：简答 1. What advantages did Cai Lun’s paper have? _______________________________________________________________________________ Passage2 课外拓展阅读 　　Many great inventions appeared in ancient China. Papermaking is a very important one. Before paper was invented, people wrote on bamboo, silk or stones. Those things were either heavy or expensive. After paper was invented, knowledge spread much faster. The skill of papermaking was developed step by step. It was spread to other countries little by little. Inventions change human culture and history. 任务一：单项选择 1. What did people write on before paper was invented? A. Paper B. Bamboo and silk C. Plastic D. Glass 2. Why was paper so important? A. It made knowledge spread faster B. It was very heavy C. It cost lots of money D. It was hard to make 任务二：判断正误(T/F) 1. Papermaking was an important ancient Chinese invention. (  ) 2. Paper was very expensive and useless. (  ) 任务三：简答 1. What can inventions change according to the text? _______________________________________________________________________________ 任务四：微写作（1‑2句） 1. Talk about one ancient Chinese invention. _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ 【答案与解析卷】 夯实基础 一、单词汉译英 1. bark　　2. fibre/fiber　　3. boil 4. beat　　5. screen　　6. dry 7. spread　　8. develop 二、短语汉译英 1. for example　　2. be made from/of　　3. in ancient times 4. mix … with …　　5. all over the world 三、词形变换 1. boiled 2. dried 3. spread 4. development 5. mixed 能力进阶 一、语法单句填空【答案+解析】 1. was created 解析：东汉为过去时间；paper单数，一般过去时被动。 2. were mixed 解析：materials复数，后面were boiled提示过去被动。 3. was poured 解析：liquid单数，陈述古代发生的动作，一般过去被动。 4. was spread 解析：paper‑making和spread被动关系，过去时。 5. were developed 解析：technologies复数，at that time过去时间。 二、句型转换【答案+解析】 1. was invented 2. were mixed 3. was poured 4. was spread 5. Was; used 三、选词填空 1. bark 2. boil 3. mix 4. spread 5. developed 四、情景补全对话 答案：1.A 2.E 3.C 4.D；多余项：B、F 解析：围绕造纸术，提问发明者→感叹很了不起→提问最初原料→提问之后传播到哪里。 拓展提高 Passage1 任务一：1.B 2.B 任务二：1. It was cheap and useful. Passage2 任务一：1.B 2.A 任务二：1.T 2.F 任务三：1. Inventions can change human culture and history. 任务四：范文：Papermaking is a great ancient Chinese invention. It helped knowledge spread around the world. 学科网（北京）股份有限公司 $