Unit 5 Power of Ideas 词汇精讲 2026-2027学年九年级英语上册同步实用课件（新教材人教版）

该初中英语单元复习课件围绕“Power of Ideas”主题，系统梳理核心词汇及拓展内容，通过词汇释义、词性变化、短语搭配和中英文例句构建知识网络，衔接词汇练习与语篇应用，形成从基础积累到综合运用的逻辑脉络。 其亮点在于融合语言能力与思维品质培养，如通过“invent-invention-inventor”等词形变化训练语言理解与表达，结合冰雕展览情境的语篇填空引导分析问题。分层练习设计满足不同学生需求，助力学生巩固知识，也为教师提供精准复习教学支持。

Unit 5 Power of Ideas 目录 01 单词及拓展 02 词汇练习 03 语篇练习 01 单词及拓展 例句： 1.电话是历史上最重要的发明之一。 2. 托马斯・爱迪生发明了电灯泡。 invention invent invented 1. v. 发明；创造；编造 n. 发明；创造；发明物 n. 发明家 inventor The telephone is one of the most important inventions in history. Thomas Edison the light bulb. 一项伟大的发明 … 的发明 a great invention the invention of… 例句： 1. 这部电影超好看，我从头到尾都很喜欢。 The movie was super interesting, and I loved every minute of it. 2. 她是个超棒的学生，总是取得好成绩。 She is a super student, always getting good grades. super 2. adj.超级的；顶好的；极好的 超快 超好 超简单 super fast super good super easy sunglasses 3. n. 墨镜；太阳镜 (太阳)眼镜 鞋子 袜子 裤子(2) 短裤 牛仔裤 拖鞋 手套 筷子 剪刀 (sun)glasses shoes socks trousers / pants shorts jeans slippers gloves chopsticks scissors a pair of 例句： 1. 请按按钮开灯。 Please press the button to turn on the light. 2. 别按红色按钮，会触发警报的。 Don’t push the red button—it will set off the alarm. button 4. n. 按钮；扣子 按按钮 press the button 5. 许多；大量； 成百上千 数以千计的； 几千 数百万的 数十亿的 hundreds of thousands of millions of billions of 模糊数字前两有，有s有of 具体数字前两无，无s无of 例句： 1. 晴朗的夜晚我们能看见数百颗星星。 2. 图书管里有五百本书。 There are five hundred books in the library. We can see hundreds of stars on clear nights. 数万亿的 trillions of 例句： 1. 这家工厂生产儿童玩具。 The factory produces toys for children. 2. 农民生产了我们吃的大部分食物。 Farmers produce most of the food we eat. produce 6. v. 生产；繁育；制造 n.产品 product n. 生产，制作 production 例句： 1. 我们应该少用塑料袋来保护环境。 We should use fewer plastic bags to protect the environment. 2. 塑料垃圾对海洋和动物来说是个大问题。 Plastic waste is a big problem for the ocean and animals. plastic 7. n. & adj. 塑料（的）；塑料制的 塑料袋 塑料瓶 plastic bag plastic bottle 例句： 1. 长城闻名全世界。 The Great Wall is famous all over the world. 2. 世界各地的人都把英语作为第二语言。 People all over the world speak English as a second language. all over the world 8. 全世界；世界各地 around the world across the world 例句： 1. 我们应当对他人有礼貌。 2. 进门前你应该脱鞋。 suppose be supposed to do / be sth. 9. v.认为；推断；猜想；假设 应当做（某事）或是（某物） 我想是吧。 我认为不是。 I suppose so. I don't suppose so. You are supposed to take off your shoes before entering the house. We are supposed to be polite to others. 例句： 1.冰箱里的冷冻食品吃之前需要加热。 The frozen food in the fridge needs to be cooked before eating. 2. 她在雪地里玩了一个小时，手冻僵了。 Her hands were frozen after playing in the snow for an hour. frozen 10. adj.冻硬的；冰封的；结冰的 freeze-froze-frozen 冰封的湖 frozen lake complete 例句： 1.学生们下周将完成考试。 The students will complete their exams next week. 2. 派对办得非常成功，每个人都玩得很开心。 The party was a complete success—everyone had a great time. 3. 她 忘了开会的事，没来。 She completely forgot about the meeting and didn’t come. 完全 11. v. 完成；结束；使完整； adj. 完全的；彻底的；完整的 adv.完全地；彻底地 completely 例句： 1. 池塘上有一层薄冰。 There is a thin layer of ice on the pond. 2. 她穿了好几层衣服保暖御寒。 She put on several layers of clothes to stay warm in the cold weather. layer 12. n. 层；表层 复数： layers 一层雪 a layer of snow melt 13. v.（使）融化；熔化 adj.融化的 melted 14. n. 旅游业；观光业 n.游客；旅游者 tourism tourist 例句： 旅游业是这座城市经济的重要组成部分。 Tourism is an important part of the city’s economy. 例句： 1. 暑假期间她胖了五磅。 2. 自从改善服务后，这家公司赢得了更多客户。 gain 15. v. 获得；取得；增加 获得经验 获得知识 gain experience gain knowledge She gained five pounds during the summer holiday. The company has gained more customers since it improved its service. 例句： 梦里我是个著名歌手，但现实中我只是个学生。 reality 16. n. 现实；事实；真实情况 adj.真实的 real 实际上 in reality In my dreams I am a famous singer, but in reality I am just a student. 例句： 1. 你要负责打扫自己的房间。 2. 领导者需要向团队的成员负责。 responsible 17. adj. 有责任的；作为原因的；负责的 n.责任；职责 responsibility 对某人负责 对某事负责；引起某事 be responsible to sb be responsible for (doing)sth You are responsible for cleaning your own room. Leaders are responsible to their team members. rapid rapidly 18. adj.迅速的；瞬间的；快速的 adv. 迅速地；快速地 19. v. 塑造 n. 形状 shape 呈...形状，以...的形式 in the shape of 例句： 我们买了许多不同动物造型的月饼庆祝中秋节。 We bought many mooncakes in the shape of different animals to celebrate the Mid-Autumn Festival. bronze 20. n. & adj. 青铜（的）；青铜色（的） 铜牌 bronze medal 21. adj. 昂贵的；价格高的 expensive 便宜的 cheap / inexpensive 例句： 1. 这些学生中没有一个通过了这次难的数学考试。 2. “还剩多少牛奶？”“一点也没有了。” none none 没有一个，可指人 / 物 no one 没有人，只指人 22. pron.没有一个；毫无；一点也不 “How much milk is left?” “None.” None of the students passed the difficult math test. 例句： 1. 这种天气去公园野餐再合适不过了。 This weather is ideal for a picnic in the park. 2. 他是这份工作的理想人选，他具备我们需要的所有技能。 He is the ideal person for the job—he has all the skills we need. 3. 她有崇高的理想，并为之努力奋斗。 She has high ideals and works hard to achieve them. ideal 21. adj. 最合适的；理想的；完美的； n. 理想；完美的人（或事物） 理想的工作 ideal job certain 22. adj. 某些；确定的；肯定的； pron.（不提及人或事物的名称时用）某些 adv.当然；肯定 certainly 肯定地 for certain suit 23. v.适合 n.西装 adj. 合适的；适宜的；恰当的 适合… be suitable for suitable 例句： 这片土壤适合种植蔬菜。 The soil is suitable for growing vegetables. 例句： 1. 这幅画是那位著名艺术家的美丽作品。 The painting is a beautiful creation by the famous artist. 2. 互联网的创造改变了我们的生活和工作方式。 The creation of the internet has changed how we live and work. creation n. 创造；作品；创作；创造物 24. v.创造；创作 adj.有创造力的；创造性的 create creative 例句： 如果想按时完成工作，我们得加快速度。 speed up 25. （使）加速；加快；增速 减速 slow down speed - sped - sped speed - speeded -speeded We need to speed up if we want to finish the work on time. 例句： 1.粗心大意会造成错误。 2. 大雨引发了洪水。 result 26. n.结果 造成；导致；引起(侧重结果) 由……引起 (侧重原因) 原因+result in+ 结果 结果+result from+原因 Carelessness results in mistakes. Mistakes result from carelessness . The heavy rain resulted in the flood. 例句： 1. 吃太多糖会导致糖尿病等健康问题。 2. 条条道路通罗马。 lead to 27. 导致；造成；通向；引起 + 名词 / 动名词 通向成功 导致问题 lead to success lead to problems Eating too much sugar can lead to health problems like diabetes. All roads lead to Rome 例句： 1. 计算机的诞生改变了人们的工作方式。 The birth of the computer changed the way people work. 2. 她妈妈在城里的一家医院生下了她。 Her mother gave birth to her at a hospital in the city. 3. 这座小镇是这位伟大音乐家的出生地。 The town is the birth place of the great musician. birth 28. n.起源；诞生；出生；分娩 …的诞生 / 起源 生下；产生 出生地 the birth of… give birth to birth place 例句： 1. 我现在买不起新手机，太贵了。 2. 我们不能错过这个出国留学的机会。 afford 29. v.买得起；能做；承担得起 买得起(负担的起)某物 能承担得起做某事 can afford to do sth can / could / be able to afford sth We can’t afford to miss this chance to study abroad. I can’t afford to buy a new phone right now—it’s too expensive. 例句： 1. 这颗糖黏糊糊的，粘在我手指上了。 The candy is sticky, so it got stuck to my fingers. 2. 那天天气闷热潮湿，每个人都又累又不舒服。 It was a sticky day, and everyone felt tired and uncomfortable. sticky 30. v.刺;戳;粘贴 adj. 黏（性）的；闷热的 stick stick - stuck - stuck n.枝条，木棍 stick(s) 例句： 1. 春天天气正逐渐变暖。 The weather is gradually getting warmer in spring. 2. 经过几个月的练习，他逐渐能流利地说英语了。 He gradually learned to speak English fluently after months of practice. gradually 31. adj.逐渐的；逐步的 adv. 逐渐地；逐步地 gradual 逐步提高 逐渐变化 gradually change gradually improve 例句： 1.英语在世界上许多国家被广泛使用。 English is widely spoken in many countries around the world. 2. 这项新技术被广泛应用于工厂以提高产量。 The new technology is widely used in factories to improve production. 3. 他被公认为学校里最好的老师之一。 He is widely known as one of the best teachers in the school. widely 32. adj.宽的；广泛的 adv.广泛地；普遍地；大范围地 被广泛使用 广为人知的 wide be widely used widely known 例句： 1. 这家公司正打算招聘更多人来做新项目。 2. 她正试图找到一份薪水更高的新工作。 3. 我们正打算通过多和同学交流来提高英语水平。 be looking to do sth 33. 试图找到做某事的方法 The company is looking to hire more people to work on the new project. She is looking to find a new job that pays better. We are looking to improve our English by speaking more with classmates. 例句： 1. 滑翔机没有发动机也能飞行，靠风力保持在空中。 A glider can fly without an engine, using the wind to stay in the air. 2.他喜欢周末驾驶滑翔机飞越群山。 He loves to fly a glider over the mountains on weekends. glider 34. v.滑翔；滑行 n. 滑翔机；滑翔机飞行员 glide 根据首字母或单词的正确形式填空。 1. The latest smart watch is so e________ that most teenagers can’t buy it. 2. Everyone in the group must be r__________ for their own tasks and mistakes. 3. Fruits are c_______ in summer and expensive in winter. 4. Many young people can hardly a________ a house in big cities because of high housing prices. 5. Thanks to new technology, our hometown has achieved r________ economic growth these years. xpensive esponsible heap fford apid 6. This kind of new material is ________ (wide) used in modern industry. 7. This pair of shoes isn't _________ (suit) for running on the playground. 8. With the development of society, people's living conditions are improving ________. (rapid) 9. This amazing painting is the ________ (create) of a young artist. 10. The factory has increased the _________ (produce) of daily goods recently. widely suitable rapidly creation production 11. You can take beautiful photos with your c__________. 12. Don’t use too much p__________ bags, they are bad for the environment. 13. I s__________ he will come to the party this evening. 14. A car has four w__________. 15. Many cities make a lot of money from t__________. amera lastic uppose heels ourism 16. Paper is one of the greatest ancient __________ (invent). 17. The smart robot can clean the room all by __________ (it). 18. There are two __________ (hundred) students taking part in the school sports meeting. 19. This factory __________ (product) many kinds of daily goods every year. 20. This modern __________ (print) is widely used in our office. inventions itself hundred produces printer 03 语篇练习 Ideas drive the progress of human civilization. Some groundbreaking 1. __________ have reshaped people’s ways of living during the past hundreds of years. Creative designers are2. __________ to value practical needs instead of only chasing attractive appearance. A great number of new 3. __________are launched onto the market every year to satisfy the public.  Average consumers ought to 4 . __________ these items without suffering heavy financial pressure. Besides reasonable prices, goods have to be 5. __________ for various daily situations. To see how creativity works in reality, we can refer to a lakeside city’s experience. The local government intended to develop 6. __________to improve local income. It hosted an ice sculpture exhibition to attract tourists. Unfortunately, all artistic ice works 7. __________slowly as spring temperatures climbed steadily. Over several months, 8. __________of the early solutions could solve this troublesome problem. Eventually, a practical creative plan was 9. __________ recognized by local leaders. This real case reminds us every citizen is 10 . __________for turning creative thoughts into tangible achievements. Never overlook your small ideas. Major breakthroughs often grow from simple inspirations. invent responsible suppose product wide tour none suit afford melt inventions supposed products afford suitable tourism melted none widely responsible $