Unit2 Great Ideas词汇精讲课件 2026-2027学年沪教版九年级英语上册

该初中英语单元复习课件系统梳理了沪教版九年级上册Unit 2 "Great Ideas"的核心词汇及短语，通过词性标注、音标提示、词源分析和用法搭配示例，将firm、ignorance等词汇与be satisfied with、fill...with等短语串联，构建完整的词汇知识网络。 其亮点在于融合词源解构与情境化例句，如通过"ignore+-ance→ignorance"培养学生构词思维，结合避雷针、实验数据等科学情境设计例句提升语言运用能力，同时分层呈现基础搭配与拓展用法。这种设计既巩固词汇基础，又发展思维品质，助力教师精准实施个性化复习教学。

Great Ideas Unit 2 词汇精讲 沪教版 · 九年级上册 firm adj. /fɜːm/ 牢固的；坚硬的 提示 firm belief（坚定的信念），stand firm（立场坚定） 例句 The desk is firm enough to hold all these heavy books. 这张桌子很结实，能放所有厚重的书本。 用法搭配 firm belief 坚定的信念 We should have a firm belief in our ability to succeed. 我们应该坚信自己有能力成功。 stand firm 立场坚定 He held a firm opinion and rejected the wrong application of the theory. 他立场坚定，拒绝这种理论的错误应用。 03 词汇精讲 Unit 2 Great Ideas ignorance n. /ˈɪɡnərəns/ 无知 提示 ignore（忽视）+ -ance（名词后缀）→ 无知 例句 Many wrong ideas come from ignorance of basic physical rules. 许多错误观念都源于对基础物理规律的无知。 用法搭配 out of ignorance 出于无知 His ignorance of basic first aid almost caused a serious accident. 他对基本急救知识的无知差点酿成严重事故。 ignorance of science 对科学的无知 We can break ignorance through the application of scientific ideas. 我们可以依靠科学理念的应用破除愚昧无知。 04 词汇精讲 Unit 2 Great Ideas application n. /ˌæplɪˈkeɪʃn/ （尤指理论、发现等的）应用 提示 apply（应用）+ -cation（名词后缀）→ 应用 例句 The application of new technology improves production greatly. 新技术的应用大幅提高了产量。 用法搭配 the application of science 科学的应用 The lightning rod is a great application of electricity theory. 避雷针是电学理论一次伟大的实际应用。 practical application 实际运用 The invention has found wide application in many fields. 这项发明已在许多领域得到广泛应用。 05 词汇精讲 Unit 2 Great Ideas fancy adj. /ˈfænsi/ 精致的；绚丽的 提示 fancy 也可作动词，意为"想象/喜欢" 例句 She wore a fancy dress to the evening party. 她穿精致礼服参加晚宴。 用法搭配 fancy decoration 绚丽精致的装饰 The lab is filled with fancy instruments made of thin metal wire. 这间实验室摆满了细金属丝制成的精致仪器。 fancy equipment 精巧器械 He rejected the fancy design because it had little practical value. 他否决了这款华丽却缺少实用价值的设计。 06 词汇精讲 Unit 2 Great Ideas satisfied adj. /ˈsætɪsfaɪd/ 满意的；满足的 提示 be satisfied with（对……感到满意） 例句 My parents are satisfied with my progress in English. 父母对我的英语进步很满意。 用法搭配 be satisfied with 对……感到满足 The scientist was satisfied with the balanced data from his experiment. 这位科学家对实验均衡稳定的数据十分满意。 feel satisfied 感到满足 The customer was not satisfied with the service he received. 那位顾客对接受的服务不满意。 07 词汇精讲 Unit 2 Great Ideas prince n. /prɪns/ 王子 提示 princess（公主），crown prince（王储） 例句 The prince helped the poor people in the small village. 这位王子帮助小村庄里的穷人。 用法搭配 a wise prince 睿智的王子 The prince went straight to the lab to prove his new scientific idea. 王子直奔实验室，想要证实自己全新的科学构想。 crown prince 王储 The prince was once put into prison for rejecting the king's wrong order. 这位王子曾因拒绝国王的错误指令而入狱。 08 词汇精讲 Unit 2 Great Ideas displace v. /dɪsˈpleɪs/ 排出；取代 提示 dis-（离开）+ place（位置）→ 使离开原位 → 取代 例句 Modern machines slowly displace hand-made tools. 现代化机器慢慢取代了手工工具。 用法搭配 displace water 排水 When you put an object into water, it will displace a certain amount of liquid. 将物体放入水中，它会排出一定量的液体。 displace old technology 取代老旧技术 New equipment will not completely displace traditional lightning rods. 新设备不会完全取代传统避雷针。 09 词汇精讲 Unit 2 Great Ideas fool v. /fuːl/ 欺骗；愚弄 提示 fool sb. into doing sth.（哄骗某人做某事） 例句 Don't try to fool me with your lies. 别想用谎话欺骗我。 用法搭配 fool sb. into doing sth. 哄骗某人做某事 Ignorance makes it easy for false theories to fool ordinary people. 无知会让伪理论轻易愚弄普通民众。 fool the public 欺骗大众 He proved that no one could fool him with unbalanced test results. 他证实，失衡的实验数据根本骗不了他。 10 词汇精讲 Unit 2 Great Ideas prison n. /ˈprɪzn/ 监狱；牢狱 提示 in prison（坐牢，不加the），put sb. in prison（把某人关进监狱） 例句 The bad man was sent to prison at last. 这个坏人最终被关进了监狱。 用法搭配 in prison 坐牢（表状态，不加the） The scientist was sent to prison because he rejected the ruler's wrong ideas. 这位科学家因拒绝统治者的错误理念被投入牢狱。 put sb. in prison 把某人关进监狱 The thief was put in prison for stealing a car. 那个小偷因为偷车被关进了监狱。 11 词汇精讲 Unit 2 Great Ideas wire n. /ˈwaɪə(r)/ 金属丝；电线 提示 electric wire（电线），metal wire（金属丝） 例句 Don't touch the broken wire, it's dangerous. 不要触碰破损电线，很危险。 用法搭配 electric wire 电线 The lightning rod uses thick wire to carry electricity down to the ground. 避雷针依靠粗电线将电流导入地面。 metal wire 金属丝 Fill the box with thin wire to make this fancy experimental tool. 在盒子里装满细金属丝，制作这个精巧的实验器具。 12 词汇精讲 Unit 2 Great Ideas prove v. /pruːv/ 证明；证实 提示 prove to be（结果是/证明是），名词形式 proof（证据） 例句 He wants to prove his idea is correct. 他想要证明自己的观点是正确的。 用法搭配 prove a theory 证实理论 Many experiments proved that the lightning rod can protect buildings safely. 大量实验证实避雷针能够安全保护建筑。 prove to be 结果是；证明是 The experiment proved to be a great success. 这个实验结果非常成功。 13 词汇精讲 Unit 2 Great Ideas hardly adv. /ˈhɑːdli/ 几乎不；几乎没有 提示 hard（努力地）+ -ly → 注意 hardly 不是"hard的副词"，而是"几乎不" 例句 I can hardly believe that he has finished the work so quickly. 我几乎不敢相信他这么快就完成了工作。 用法搭配 hardly any 几乎没有 Hardly anyone knew the application of wire before this great idea appeared. 在这个伟大构想出现之前，几乎没人了解金属丝的运用。 hardly ever 几乎从不 She hardly eats junk food to keep healthy. 为了健康她几乎不吃垃圾食品。 14 词汇精讲 Unit 2 Great Ideas balanced adj. /ˈbælənst/ 保持（或显示）平衡的 提示 balance（平衡）+ -ed（形容词后缀）→ 平衡的 例句 A balanced diet is good for our body. 均衡饮食有益于我们的身体。 用法搭配 balanced diet 均衡饮食 As a whole, the experiment needs balanced temperature and water supply. 总体来看，这项实验需要均衡稳定的温度与供水。 keep balanced 保持平衡 He rejected the test because the data was not balanced at all. 他否决了这次实验，因为数据完全失衡。 15 词汇精讲 Unit 2 Great Ideas reject v. /rɪˈdʒekt/ 拒绝接受；不予考虑 提示 re-（回）+ ject（扔）→ 扔回去 → 拒绝 例句 He decided to reject this unreasonable plan. 他决定拒绝这个不合理的方案。 用法搭配 reject a plan 否决方案 We should reject any idea that comes from ignorance without solid proof. 我们应当摒弃一切毫无依据、源于无知的观点。 reject false views 摒弃错误观点 The prince rejected the fancy design for lacking practical application. 王子否决了这款华丽却缺少实际用途的设计。 16 词汇精讲 Unit 2 Great Ideas thus adv. /ðʌs/ 因此；如此 提示 thus = therefore，常用于正式文体 例句 It rained heavily, thus we put off the sports meeting. 雨下得很大，因此我们推迟了运动会。 用法搭配 thus doing sth. 因此做某事 Lightning rods can guide lightning safely, thus protecting houses from damage. 避雷针可以安全引导雷电，因此保护房屋免受损坏。 thus far 到目前为止 He proved the theory, thus its wide application began all over the world. 他证实了这套理论，于是它开始在全球广泛应用。 17 词汇精讲 Unit 2 Great Ideas be satisfied with 对……感到满足 提示 be satisfied with = be happy with 例句 My mother is satisfied with my daily performance at school. 妈妈对我在校的日常表现很满意。 用法搭配 be satisfied with the result 对结果满意 The teacher was satisfied with our performance in the competition. 老师对我们在比赛中的表现很满意。 be satisfied with oneself 自我满足 The boss was satisfied with our finished project. 老板对我们完工的项目感到满意。 18 词汇精讲 Unit 2 Great Ideas fill...with 充满；装满 提示 fill A with B（用B装满A），be filled with（充满……） 例句 She filled the bowl with fresh fruit. 她把碗装满新鲜水果。 用法搭配 fill the bottle with water 把瓶子装满水 The room was filled with the sound of laughter. 房间里充满了欢笑声。 be filled with 充满（表状态） She filled the glass with water and handed it to me. 她给杯子倒满水，递给了我。 19 词汇精讲 Unit 2 Great Ideas run over 溢出 提示 run over 本义"溢出"，也可引申为"快速过一遍" 例句 The bathwater ran over because he forgot to turn off the tap. 浴缸里的水溢出来了，因为他忘了关水龙头。 用法搭配 run over 溢出 The milk ran over the cup and made a mess on the table. 牛奶从杯子里溢出来，把桌子弄得一团糟。 run over 快速过一遍 Could you run over the plan one more time? 你能把计划再快速过一遍吗？ 20 词汇精讲 Unit 2 Great Ideas go straight to 直奔 提示 go straight to（直奔），go straight to the point（直奔主题） 例句 The prince went straight to the palace to see the king. 王子直奔宫殿去见国王。 用法搭配 go straight to 直奔 After work, he goes straight to the gym every day. 下班后，他每天都直奔健身房。 go straight to the point 直奔主题 Let's go straight to the point — what's your real question? 我们直奔主题吧——你真正的问题是什么？ 21 词汇精讲 Unit 2 Great Ideas lightning rod 避雷针 提示 lightning（闪电）+ rod（杆）→ 避雷针 例句 Every tall building needs a lightning rod for safety. 每栋高楼都需要避雷针来确保安全。 用法搭配 install a lightning rod 安装避雷针 The lightning rod guides lightning into the ground. 避雷针把雷电导入地面。 lightning rod 避雷针 The tall building was hit by lightning because it had no lightning rod. 这座高楼因为没有避雷针被闪电击中了。 22 词汇精讲 Unit 2 Great Ideas as a whole 作为一个整体；总体上 提示 as a whole 强调整体性，不同于 in general（一般来说） 例句 The exam results are good as a whole. 考试成绩总体上很不错。 用法搭配 as a whole 作为一个整体 We should look at the education system as a whole. 我们应该从整体上看待教育体系。 the country as a whole 整个国家 The community as a whole supported the new policy. 整个社区都支持这项新政策。 23 词汇精讲 Unit 2 Great Ideas get something across 把某事讲清楚 提示 get across = make sth. understood 例句 It's difficult to get my meaning across to the little boy. 很难让这个小男孩明白我的意思。 用法搭配 get one's idea across 把想法讲清楚 He struggled to get his ideas across in the meeting. 他在会上很难把自己的想法讲清楚。 get the message across 传达信息 A good teacher knows how to get difficult concepts across to students. 好老师知道如何把难懂的概念给学生讲明白。 24 词汇精讲 Unit 2 Great Ideas Keep Learning! Unit 2 Great Ideas 词汇精讲 $