Unit 5 Power of Ideas Section A (Grammar focus ) 同步训练 2026-2027学年英语人教版九年级上册

**基本信息** 本同步练习以“基础达标-能力提升-拓展运用”三级分层设计，聚焦被动语态，通过词汇填空→句型转换→语篇应用→写作输出的递进路径，系统巩固语法知识，适配新授课语言能力培养与思维品质提升。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础达标|被动语态基本结构（时态、句式转换）|单题聚焦语法点，如动词时态与被动结构匹配（“invent”变“was invented”）| |能力提升|被动语态语境应用（对话、语篇）|创设真实情境（智能手表对话）；语篇填空整合词汇与语法（环保产品描述）| |拓展运用|被动语态综合输出（书面表达）|结合环保主题，要求用被动语态介绍可降解塑料袋，提升语言运用与思维品质|

Unit 5 Power of Ideas Section A (Grammar focus ) 分层训练 (2026-2027学年人教版九年级上册) 【基础达标】 一、根据汉语提示填写单词 1. The first computer (发明) in 1946. 2. This kind of silk (制造) in Hangzhou, which is famous for its quality. 3. English (使用) as an international language all over the world. 4. Most of the plastic bottles can be (回收利用) to make new things. 5. The river (污染) by factories nearby a few years ago. 二、用所给词的适当形式填空 1. The mobile phone (invent) in 1973 by Martin Cooper. 2. —Look at the new bridge! When it (build)? —Last year. 3. These books (not allow) to take out of the library without permission. 4. More trees (plant) in our city every spring to improve the environment. 5. The problem (can solve) with the help of our teacher. 三、根据题后要求做题(每空一词) 1. The workers build many tall buildings in our city every year. (改为被动语态) Many tall buildings by the workers in our city every year. 2. The classroom was cleaned by Li Ming this morning. (对画线部分提问) the classroom cleaned by this morning? 3. People can recycle glass bottles to make new ones. (改为被动语态) Glass bottles to make new ones by people. 4. This machine is used for cutting paper. (对画线部分提问) this machine used for? 5. The new rules were made to protect the environment. (改为一般疑问句) the new rules to protect the environment? 【能力提升】 四、补全对话 根据下面的对话情景,在每个空白处填入一个合适的句子,使对话的意思连贯、完整。 A: Hi, Jack! Do you know about the new smart watch? B: Of course! It’s very popular recently. 1. ? A: I wonder how it is made. 2. ? B: It is made in a factory in Guangdong. The factory uses advanced technology. A: That’s cool. 3. ? B: It is used for not only telling time but also monitoring people’s health. A: Wow, that’s amazing. 4. ? B: It was invented by a group of young engineers in 2020. A: No wonder it’s so creative. 5. ? B: Yes, it can be bought online or in big stores. Let’s check it out together! A: Sounds great! 五、语篇填空 第一节 阅读短文,从方框中选择适当的词并用其正确形式填空,使短文通顺、意思完整。每空限填一词,每词限用一次。 invent use produce pollute be create help develop easy popular Ideas are powerful, and great ideas can change the world. The wheel is one of the most important 1. in history. It was 2. thousands of years ago and now it’s widely 3. in all kinds of transportation. Nowadays, more and more eco-friendly products 4. to protect the earth. For example, solar-powered cars 5. in many countries. They don’t burn fuel, so they won’t 6. the air. These products are becoming more 7. because people care about the environment. New ideas also 8. people live a better life. With the 9. of smart technology, people can communicate with each other more 10. . Let’s keep creating more wonderful ideas! 第二节 阅读短文,根据语篇要求填空,使短文通顺、意思完整,每空限填一词。 Many great inventions have changed our lives. 1. the light bulb was invented by Thomas Edison, people had to use oil lamps at night. Now, lights are used everywhere. Paper is another important invention. It was first made 2. Cai Lun in ancient China. Before that, people wrote 3. stones, bamboo or silk, which were very heavy and expensive. 4. these inventions, our world would be completely different. We should remember the inventors 5. their great ideas make our lives easier and better. 【拓展运用】 六、书面表达 假设你是李明,最近你了解到一款新型的可降解塑料袋(degradable plastic bag),请你根据本单元所学的被动语态,写一篇80词左右的短文,介绍这款产品。 要点提示: 1. 介绍产品是什么; 2. 它的制作材料和优点; 3. 它的使用前景。 【参考答案】 基础达标 一、1. was invented 2. is made 3. is used 4. recycled 5. was polluted 二、1. was invented 2. was; built 3. aren’t allowed 4. are planted 5. can be solved 三、1. are built 2. Who was 3. can be recycled 4. What is 5. Were; made 能力提升 四、1. What do you think of it/How do you like it 2. Where is it made 3. What is it used for 4. Who invented it/Who was it invented by 5. Can it be bought in stores 五、 第一节1. inventions 2. created 3. used 4. are developed 5. are produced 6. pollute 7. popular 8. help 9. development 10. easily 第二节1. Before 2. by 3. on 4. Without 5. because 拓展运用 六、(范文) Dear friends, Today I want to introduce a new kind of degradable plastic bag. It is made from plant materials like corn starch. Unlike common plastic bags, it can be broken down naturally in a few months, so it won’t pollute the environment. Now it is widely used in supermarkets and markets in many cities. I believe it will be more popular in the future and help protect our earth better. 学科网(北京)股份有限公司 $