Unit 4 Inventions Section 3 Expressing and communicating ideas练习作业2026-2027学年沪教版八年级英语上册

**基本信息** 初中英语Unit 4 Inventions同步练习以“基础巩固-语篇理解-综合表达”三阶分层设计，覆盖词汇、句型到语篇应用，适配新授课知识内化与语言能力培养。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层|核心词汇与基础句型|翻译（5题）、词汇运用（15题）强化“invent”“convenient”等单元词汇及“not only...but also”句型，夯实语言能力基础| |进阶层|语篇逻辑与语法应用|单项选择（5题）、首字母填空（10空）通过语境考查词汇辨析（如inventions/inventors）和语法（被动语态、比较级），提升思维品质| |提升层|综合语言输出|书面表达（1篇）围绕“神奇的发明”主题整合信息，培养连贯表达与价值判断能力，体现学习能力与文化意识融合|

Unit 4 Inventions Section 3 Expressing and communicating ideas 练习作业 一、翻译 1. 互联网极大地改变了我们的生活方式。 ____________________________________________________________________________________________ 2. 这项发明使人们的出行变得更加便捷。 ____________________________________________________________________________________________ 3. 智能手机不仅能打电话，还能用来上网和拍照。 ____________________________________________________________________________________________ 4. 许多伟大的发明都源于日常中的小想法。 ____________________________________________________________________________________________ 5. 我们应该学会正确使用这些发明来改善生活。 ____________________________________________________________________________________________ 6. 他花了三年时间才创造出这个实用的工具。 ____________________________________________________________________________________________ 二、词汇运用 1. -We should ______(发明) more things to help people in need. -That's a great idea. 2. The smartphone has made our life much more ______(便捷的) than before. 3. This new machine will have a big ______(影响) on our factory's production. 4. The ______(普及) of electric cars is growing quickly around the world. 5. My grandfather has collected over 50 different kinds of ______(收音机) since he was young. 6. It's ______(实用的) to carry a reusable water bottle when you go out. 7. The ______(开发者) of this app spent two years on its research and design. 8. With the help of modern technology, our living conditions have ______(改善) a lot. 9. -Do you think this new invention is useful? -Yes, it can help us save much ______(time). 10. The little boy showed great ______(creative) when he made a toy car from waste materials. 11. Last year, they ______(develop) a new kind of robot to help with housework. 12. These ______(invention) have changed the way people communicate with each other. 13. The old camera was ______(invent) by a Frenchman in the 19th century. 14. Now more and more people are interested in ______(use) solar energy to save electricity. 15. This kind of watch is ______(popular) than that one because it has more functions. 三、单项选择 ( )1. The computer is one of the most important ______ in the 20th century. A. inventions B. inventors C. inventories D. invitations ( )2. -How does this new machine ______? -It helps us sort waste automatically. A. use B. work C. make D. do ( )3. The invention of the Internet has made it easier for people ______ with each other. A. communicate B. to communicate C. communicating D. communicated ( )4. -Do you think the new app is ______? -Yes, it can help us learn English quickly. A. useful B. careful C. harmful D. colourful ( )5. Many great inventors ______ lots of time on their research before they succeeded. A. took B. spent C. cost D. paid 四、首字母填空 Smartphones have become an important part of our daily life. They are one of the most amazing i 1 _______ of the 21st century. The first smartphone a 2 _______ in 1992, but it was not popular at that time because it was too expensive and heavy. Over the years, smartphones have changed a lot. Now they are s 3 _______ and light, and they have many powerful functions. We can use them to make calls, send messages, take photos, and even do online s 4 _______ . They also allow us to keep in t 5 _______with our friends and family easily no matter where we are. Smartphones have brought many b 6 _______ to us. They make our life more convenient and colourful. However, they also have some d 7 _______ . For example, some people spend too much time on them and forget to enjoy the real world. Despite these problems, smartphones are still very p 8 _______ around the world. More and more new functions are being added to them every year. It's hard to imagine what our life will be like w 9 _______ smartphones in the future. They have truly changed the way we live, work and c 10 _______. 1.________ 2.________ 3.________ 4.________ 5._________ 6.________ 7.________ 8.________ 9.________ 10._________ 五、书面表达 假设你们学校英文报正在举办以“神奇的发明”为主题的征文活动，请根据以下问题，以 "My Favourite Invention" 为题，写一篇英语短文投稿。 1. What is your favourite invention? 2. How does it change your life? 3. What do you think of this invention? 要求：1. 短文需包含所有问题要点，并适当发挥; 2. 词数 100 左右。 My Favourite Invention ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ 参考答案 一、翻译 1. The Internet has greatly changed the way we live. 2. This invention makes people's travel much more convenient. 3. Smartphones can not only make phone calls but also be used to surf the Internet and take photos. 4. Many great inventions come from small ideas in daily life. 5. We should learn to use these inventions properly to improve our lives. 6. He spent three years creating this practical tool. 二、词汇运用 1. invent 2. convenient 3. influence 4. popularity 5. radios 6. practical 7. developers 8. improved 9. time 10. creativity 11. developed 12. inventions 13. invented 14. using 15. more popular 三、单项选择 1. A 2. B 3. B 4. A 5. B 四、首字母填空 1. inventions 2. appeared 3. small 4. shopping 5. touch 6. benefits 7. disadvantages 8. popular 9. without 10. communicate 五、书面表达 My Favourite Invention My favourite invention is the smartphone. It has completely changed my life in many ways. First, it keeps me connected with my friends and family. I can video call my grandma who lives far away whenever I miss her. Second, it helps me with my study. I can look up new words, watch online courses and even finish my homework on it. Besides, it makes my free time more enjoyable. I can listen to music, watch movies and play puzzle games when I'm bored. I think the smartphone is a wonderful invention. It brings us convenience and fun, but we should also use it wisely and not spend too much time on it. 学科网（北京）股份有限公司 $