Unit 5 Power of Ideas Section A 同步课时练2026-2027学年人教版九年级英语上册

**基本信息** 本同步练以“被动语态”为核心，通过基础词汇→语法应用→语篇理解→综合表达的分层设计，系统巩固Unit 5 Section A核心知识，适配暑假自主学习，提升语言能力与思维品质。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层|核心词汇、短语|单词拼写（10分）、短语互译（15分），强化“radio”“3D printer”等主题词汇记忆| |进阶层|语法应用|动词适当形式填空（10分）、单选（20分），聚焦不同时态被动语态，如一般过去时“was invented”| |综合层|语篇理解|补全对话（10分）、完形填空（15分）、句型转换（10分），在“发明影响”情境中综合运用语法与话题词汇| |应用层|书面表达|My Favourite Invention（10分），要求用被动语态描述发明，提升语言输出与思维表达能力|

九上 Unit 5 Power of Ideas Section A 同步课时练 满分：100 分 一、根据句意及首字母或汉语提示完成单词（每空 1 分，共 10 分） 1. The ________ (收音机) was invented by Guglielmo Marconi in the 1890s. 2. This special pair of ________ (太阳镜) has a tiny mini-camera inside. 3. The 3D ________ (打印机) can create many kinds of objects with plastic. 4. The ________ (大西洋) Ocean separates Europe and America. 5. This smart cooking ________ (机器) can cook hundreds of dishes automatically. 6. The plane is one of the greatest i________ in human history. 7. All the information will be s________ to the printer after you finish designing. 8. This new tool is d________ to protect people’s eyes when reading. 9. Plastic materials are p________ layer by layer to make a model on 3D printers. 10. A special b________ needs to be pushed before the smart cooker starts working. 二、用所给单词的适当形式填空（每空 1 分，共 10 分） 1. The radio ________ (develop) by an Italian inventor in the 1890s. 2. Tiny cameras ________ (connect) to the sunglasses now to help people read easily. 3. Hundreds of dishes ________ (make) by Smart Cook every day. 4. A radio message ________ (send) across the Atlantic Ocean for the first time in 1901. 5. All the files ________ (read) by the computer before they go into the 3D printer. 6. New objects ________ (create) by building up plastic little by little. 7. People around the world ________ (link) by the Internet now. 8. The word “robot” ________ (introduce) in a play back in 1920. 9. Great creative ideas ________ (need) when building difficult high-speed trains. 10. So many useful things ________ (produce) by 3D printers since last year. 三、短语英汉互译（每题 1 分，共 15 分） 英译汉 high-speed train ________________________ mini-camera ________________________ spread news around the world ________________________ have a big effect on music ________________________ build up plastic layer by layer ________________________ press the button ________________________ across the Atlantic Ocean ________________________ 汉译英 有史以来最有用的发明 ________________________ 减缓信息传播速度 ________________________ 由…… 设计 ________________________ 将文件发送至 3D 打印机 ________________________ 各国艺术家 ________________________ 解决各类难题 ________________________ 对旅游业产生巨大影响 ________________________ 四、单项选择（每题 2 分，共 20 分） ( ) 1. The radio ________ by Marconi in the 1890s. A. invents B. invented C. was invented D. is invented ( ) 2. Many kinds of toys ________ by the 3D printer every day. A. are made B. make C. were made D. made ( ) 3. It’s amazing that news ________ around the world in seconds because of radios. A. spread B. spreads C. is spread D. was spread ( ) 4. The small camera ________ to the front of the sunglasses to help with reading. A. connects B. is connected C. connected D. was connecting ( ) 5. —Who do you think is the most important inventor? —I think ________ Marconi invented the radio. A. that B. if C. whether D. what ( ) 6. The word “robot” ________ for the first time in a play in 1920. A. introduces B. is introduced C. was introduced D. introduced ( ) 7. Lots of useful inventions ________ to make people’s lives better so far. A. create B. created C. are created D. have been created ( ) 8. Before the radio ________, people could only get news slowly. A. invents B. invented C. was invented D. is invented ( ) 9. This smart cooker makes ________ easy for people to cook all kinds of food. A. this B. that C. it D. one ( ) 10. Creative ideas ________ to deal with hard building problems. A. need B. are needed C. needed D. were needing 五、补全对话（每空 2 分，共 10 分） 从 A-F 选出最佳选项，一项多余。 A. What’s the special part of Super See? B. What invention did you talk about in the first conversation? C. Can it cook all dishes by itself? D. What else can 3D printers produce besides toys? E. That sounds amazing and convenient. F. It’s a smart cooker called Smart Cook. Tom: Hi, do you remember the two inventions we listened to just now? Lily: Sure. 1. ________ Tom: It’s Super See, a pair of special sunglasses. 2. ________ Lily: A mini-camera is connected to it to help people read clearly. Tom: Wow, cool. What about the second one? Lily: 3. ________ Tom: 4. ________ Lily: Yes. We only need to press one button before cooking. It can make hundreds of dishes. Tom: 5. ________ I really want to own one someday. 六、完形填空（每空 1.5 分，共 15 分） What changes can inventions bring to our lives? They truly make our world much better. The radio is 1. ______ of the most useful inventions of all time. It 2. ______ by Guglielmo Marconi, an Italian inventor, in the 1890s. Before radios 3. ______, information moved very slowly. Once radios appeared, news 4. ______ around the whole world in seconds. The world became much smaller. Besides the radio, 3D printers are another great invention. Many different things 5. ______ by them, such as toys, shoes, chairs and even houses. First, people design objects on computers. Then the files 6. ______ to the printer. Plastic layers 7. ______ little by little to create real things. They are widely used in medicine and daily life now. There are also smart tools like Smart Cook and Super See. Smart Cook 8. ______ to cook food automatically after pressing a button. Super See sunglasses 9. ______ with a small camera to help people with reading. All these inventions show that creative ideas 10. ______ to change people’s lives greatly. 1. A. a B. an C. one D. two 2. A. invented B. was invented C. invents D. is invented 3. A. invent B. invented C. are invented D. were invented 4. A. spread B. spreads C. is spread D. was spread 5. A. make B. made C. are made D. were made 6. A. send B. sent C. are sent D. were sent 7. A. build up B. are built up C. built up D. were built up 8. A. uses B. used C. is used D. was used 9. A. fit B. are fitted C. fitted D. were fitted 10. A. need B. are needed C. needed D. were needed 七、句型转换（每题 2 分，共 10 分） 1. People call the machine Smart Cook.（改为被动语态） The machine ________ ________ Smart Cook. 2. Marconi invented the radio in the 1890s.（改为宾语从句，I know…） I know ________ the radio ________ ________ by Marconi in the 1890s. 3. A mini-camera is connected to the sunglasses.（改为一般过去时被动句） A mini-camera ________ ________ to the sunglasses just now. 4. We can make toys and chairs with 3D printers.（改为被动语态） Toys and chairs ________ ________ by us with 3D printers. 5. The radio made people enjoy music more easily.（翻译句子） 八、书面表达（10 分） 题目：My Favourite Invention 要求： 贴合 Section A 课文话题，60–80 词； 正确使用一般现在 / 过去时被动语态； 说明发明外形、用途、带来的改变，语句通顺。 参考答案 一、根据句意及首字母或汉语提示完成单词 1. radio 2. sunglasses 3. printer 4. Atlantic 5. machine 6. inventions 7. sent 8. designed 9. produced 10. button 二、用所给单词的适当形式填空 1. was developed 2. are connected 3. are made 4. was sent 5. are read 6. are created 7. are linked 8. was introduced 9. are needed 10. have been produced 三、短语英汉互译 英译汉 高铁 微型相机 向全世界传播新闻 对音乐产生重大影响 逐层堆叠塑料 按下按钮 横跨大西洋 汉译英 the most useful invention of all time slow down the spread of information be designed by… send the files to the 3D printer artists around the world solve all kinds of problems have a great influence on tourism 四、单项选择 1.C 2.A 3.C 4.B 5.A 6.C 7.D 8.C 9.C 10.B 五、补全对话 1.B 2.A 3.F 4.C 5.E 六、完形填空 1.C 2.B 3.D 4.C 5.C 6.C 7.B 8.C 9.B 10.B 七、句型转换 1. is called 2. that; was invented 3. was connected 4. can be made 5.收音机让人们能更轻松地欣赏音乐。 八、书面表达参考范文 My Favourite Invention My favourite invention is the radio. It was invented by Marconi in the 1890s. Before it was invented, news spread slowly. Now information is spread all over the world quickly by radios. It is also used for enjoying music from different countries. I think it is the most useful invention of all time. It has changed people’s lives a lot and brought the whole world closer. 学科网（北京）股份有限公司 $