Unit3SectionB 单词讲解课件 2025-2026学年人教版八年级英语上册

2025-07-14
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Section B How do we understand differences? 单词讲解课件 Unit3 Same or Different? 新人教版八年级英语(上) 讲解内容 读音、词性 常用搭配 例句翻译 经典例题 01 02 03 04 新单词(预习) New words 1.alike adj.相像的adv.相似地 2.mirror n.镜子 3.interest n.业余爱好;兴趣v.使感兴趣 4.novel n.小说 5.difference n.差异 6.sense n.理解力;感觉 7.humour /hju:mo/ (=humor)n.幽默;幽默感 8.thanks to归功于;由于;因为 9.less adj.较少的;更少的adv.较少地;更少地pron.较少;更少 10.straightforward adj坦率的;简单的 11.opinion n.看法;意见 12.make a mistake犯错误 13.honest adj.坦诚的;诚实的 14.direct adj.率直的;直接的 15.similarity n.相似之处 16.friendship n.友谊;友情 17.metre /'mi:ta(r)/ (=meter)n.米 18.prince n.王子 19.character n.人物;个性 20.pauper n.贫民;乞巧 21.exchange v.&n.交换 22.accident n.意外;(交通)事故 23.by accident偶然;意外地 24.expect v.预料;期待 25.silver adj.银色的n.银 26.silver lining 一线光明 27.situation n.情况;状况 28.care about关心;担心 29.reach v.伸手;达到 30.reach for伸手触碰 31.touch v.触动;触碰 32.lend(sb)a hand帮助(某人) 1.alike adj.相像的adv.相似地 🔸词性:adj. 相像的;adv. 相似地 🔹巧记:拆解为 "a(一个) + like(喜欢)" → 因为相似 所以喜欢 ("你们好像哦!") 📚固定搭配: look alike(长得像) think alike(想法相似) 📖例句: The two sisters dress alike.(这对姐妹穿得很像。) ⚠️考点: 作形容词时只能作表语(放be动词后),不能作定语! ❌错误:an alike cat → ✅正确:The cats are alike. 副词用法:They walked alike.(他们走路姿势相似。) ❓经典例题: The twins don’t look ______ in personality. (A) alike (B) like ✅答案:A(like是介词/动词,alike是形容词) 2.mirror n.镜子 🔸词性:n. 镜子 🔹巧记:单词里有双r(rr) 和 双o(oo),像镜子里 的对称影像!✨ 📚固定搭配: look into the mirror(照镜子) rearview mirror(后视镜) 📖例句: She checked her hair in the mirror before leaving. ⚠️考点: 拼写易错点:mirror(不是"miorr"或"miror") ❓经典例题: He saw ______ in the mirror. (A) himself (B) him ✅答案:A(反身代词,镜子里的"自己") 3.interest n.业余爱好;兴趣v.使感兴趣 🔸词性:n. 兴趣;v. 使感兴趣 🔹巧记:"inter(在...之间) + est(最)" → 最吸引你的东 西就是兴趣! 📚固定搭配: show interest in(对...感兴趣) lose interest(失去兴趣) places of interest(名胜古迹) 📖例句: The teacher tried to interest students in science.(老师试图让学生对科学感兴趣。) ⚠️考点: 形容词形式: interesting(物作主语,"有趣的") The book is interesting. interested(人作主语,"感到有兴趣的") I am interested in the book. 短语 "take an interest in" = 开始感兴趣 ❓经典例题: This game is ______. I’m ______ in it. (A) interested; interesting (B) interesting; interested ✅答案:B 4.novel n.小说 🔸词性:n. 小说 🔹巧记:"no(没有) + vel(谐音'玩')" → 写小 说的人没时间玩! 📚固定搭配: a detective novel(侦探小说) write a novel(写小说) 📖例句: "Harry Potter" is a famous fantasy novel. ⚠️考点: 区分 novel(长篇小说) vs. story(短篇故事) ❓经典例题: She spent three years writing her first ______. (A) book (B) novel ✅答案:B(强调"长篇创作"用novel) 5.difference n.差异 🔸词性:n. 差异 🔹巧记:different(不同的) + ce(名词后 缀) 📚固定搭配: make a difference(有影响/很重要) tell the difference(区分) 📖例句: Can you see the difference between the two pictures? ⚠️考点: 短语 "make no difference" = 无关紧要 ❓经典例题: Your help ______ a big difference to us. (A) makes (B) does ✅答案:A(make a difference是固定搭配) 6.sense n.理解力;感觉 🔸词性:n. 感觉;理解力 🔹巧记:谐音"三思" → 用理解力好好思考!🤔 📚固定搭配: make sense(有意义) common sense(常识) a sense of humor(幽默感) 📖例句: Your explanation doesn’t make sense.(你的解释说 不通。) ⚠️考点: sense 作动词时意为"感觉到":I sensed something wrong. ❓经典例题: It doesn’t ______ to go out in the rain. (A) sense (B) make sense ✅答案:B 7.humour /hju:mo/ (=humor)n.幽默;幽默感 🔸词性:n. 幽默;幽默感 🔹巧记:谐音"幽默"(英式拼写 humour, 美式 humor) 📚固定搭配: sense of humour(幽默感) black humour(黑色幽默) 📖例句: His humour made everyone laugh.(他的幽默逗 笑了大家。) ⚠️考点: 形容词 humorous(幽默的):a humorous story 英式 vs. 美式拼写(考试可能考察!) ❓经典例题: The speech was full of ______. (A) humour (B) humorous ✅答案:A(名词作宾语) 8.thanks to归功于;由于;因为 🔸词性:短语,意为"由于;归功于" 🔹巧记:"谢谢(to)它" → 因为是它导致的! 📚固定搭配: Thanks to your help,...(多亏你的帮助) Thanks to the rain,...(因为下雨...) 📖例句: Thanks to the new policy, traffic is better. ⚠️考点: 可接好坏原因: ✅ Thanks to the storm, the game was canceled.(中性) ✅ Thanks to her, we won!(积极) ❓经典例题: ______ the bad weather, we stayed home. (A) Thanks to (B) Because ✅答案:A(强调原因,口语化) 9.less adj.较少的;更少的adv.较少地;更少地pron.较少;更少 🔸词性:adj./adv./pron. 更少(little的比较级) 🔹巧记:反义词是 more(更多) 📚固定搭配: less than(少于) more or less(或多或少) 📖例句: Eat less sugar to stay healthy. ⚠️考点: 修饰不可数名词:less water(❌less apples→用fewer) 短语: no less than(不少于,强调多) less and less(越来越少) ❓经典例题: We have ______ time left. (A) fewer (B) less ✅答案:B(time不可数) 10.straightforward adj坦率的;简单的 🔸词性:adj. 坦率的;简单的 🔹巧记:straight(直) + forward(向前) → 直截了当! 📚固定搭配: a straightforward answer(直白的回答) straightforward instructions(简单的说明) 📖例句: The question is quite straightforward. ⚠️考点: 近义词:direct(直接的),反义词:complicated(复杂的) ❓经典例题: He gave a ______ explanation. (A) straight (B) straightforward ✅答案:B(形容词修饰名词) 11.opinion n.看法;意见 🔸词性:n. 意见;看法 🔹巧记:"O(哦) + pin(针) + ion" → "哦!针锋相 对的观点!" 📚固定搭配: in my opinion(在我看来) public opinion(舆论) 📖例句: What’s your opinion on this movie? ⚠️考点: 区别: opinion(主观看法) fact(客观事实) ❓经典例题: ______ my opinion, he’s right. (A) On (B) In ✅答案:B(固定搭配) 12.make a mistake犯错误 🔸词性:短语,意为"犯错" 🔹巧记:mistake = mis(错) + take(拿) → 拿错了! 📚固定搭配: make a spelling mistake(犯拼写错误) correct a mistake(纠正错误) 📖例句: It’s okay to make mistakes when learning. ⚠️考点: 同义短语:make an error 动词形式:mistake A for B(把A误认为B) ❓经典例题: She ______ my pen for hers. (A) made (B) mistook ✅答案:B(mistake for是固定搭配) 13.honest adj.坦诚的;诚实的 🔸词性:adj. 诚实的 🔹巧记:"hon(荣誉) + est(最)" → 最荣誉的人是诚 实的! 📚固定搭配: to be honest(说实话) an honest person(诚实的人) 📖例句: To be honest, I don’t like this gift. ⚠️考点: h不发音! 发音读作/ˈɒnɪst/ 反义词:dishonest(不诚实的) ❓经典例题: It’s important to be ______. (A) honest (B) honesty ✅答案:A(形容词作表语) 14.direct adj.率直的;直接的 🔸词性:adj. 直接的;率直的 🔹巧记:"di(分开) + rect(直)" → 直接分开不拐弯! 📚固定搭配: direct speech(直接引语) direct flight(直飞航班) be direct with sb(对某人直率) 📖例句: She gave me a direct answer without hesitation.(她 毫不犹豫地给了我直接的回答。) ⚠️考点: 反义词:indirect(间接的) 动词形式:direct(指导;导演) He directed the movie.(他导演了这部电影。) ❓经典例题: The teacher asked us to rewrite the sentence in ______ speech. (A) direct (B) indirect ✅答案:A(直接引语) 15.similarity n.相似之处 🔸词性:n. 相似之处 🔹巧记:similar(相似的) + ity(名词后缀) → 相 似性 📚固定搭配: bear similarity to(与...相似) point out similarities(指出相似点) 📖例句: There are many similarities between the two cultures. ⚠️考点: 常用复数:similarities(强调多个相似点) 反义词:difference(差异) ❓经典例题: The ______ between the twins are amazing. (A) similarity (B) similarities ✅答案:B(通常用复数) 16.friendship n.友谊;友情 🔸词性:n. 友谊 🔹巧记:friend(朋友) + ship(关系) → 友谊的 小船~ 📚固定搭配: build friendship(建立友谊) lifelong friendship(终生友谊) 📖例句: Their friendship began in kindergarten. ⚠️考点: 不可数名词(但可指具体一段友谊时用a friendship) We have a strong friendship. ❓经典例题: True ______ is hard to find. (A) friendship (B) friendships ✅答案:A(泛指抽象概念用单数) 17.metre /'mi:ta(r)/ (=meter)n.米 🔸词性:n. 米 🔹巧记:"me(我) + tre(谐音'尺')" → 我的 尺子量一米~ 📏 📚固定搭配: square metre(平方米) run 100 metres(跑100米) 📖例句: The room is five metres long. ⚠️考点: 英式拼写 metre,美式 meter 单位缩写:m(小写!) ❓经典例题: The rope is 3 ______ long. (A) metre (B) metres ✅答案:B(复数) 18.prince n.王子 🔸词性:n. 王子 🔹巧记:"prin(主要) + ce(谐音'瑟')" → 主要人物 王子很矜持~ 👑 📚固定搭配: Prince Charming(白马王子) crown prince(王储) 📖例句: The prince will inherit the throne. ⚠️考点: 对应女性:princess(公主) ❓经典例题: ______ William is the eldest son of King Charles. (A) Prince (B) Princess ✅答案:A 19.character n.人物;个性 🔸词性:n. 人物;个性 🔹巧记:"char(谐音'察') + act(行动) + er" → 观察人物 的行动! 📚固定搭配: main character(主角) strong character(坚强的性格) 📖例句: Harry Potter is the main character in the novel. ⚠️考点: 多义词: 角色(可数):a kind character 性格(不可数):She has good character. ❓经典例题: The book describes the ______ of a brave soldier. (A) characters (B) character ✅答案:B(指"性格"不可数) 20.pauper n.贫民;乞巧 🔸词性:n. 贫民;乞丐 🔹巧记:对比 "paper(纸)" → 贫民只有破纸遮身 😢 📚固定搭配: live like a pauper(生活贫困) 📖例句: The prince disguised himself as a pauper. ⚠️考点: 文学词汇,常见于《王子与贫儿》等故事 ❓经典例题: In the story, the rich man and the ______ exchanged clothes. (A) prince (B) pauper ✅答案:B 21.exchange v.&n.交换 🔸词性:v. & n. 交换 🔹巧记:"ex(出) + change(改变)" → 拿出东西去改 变=交换 📚固定搭配: exchange gifts(交换礼物) in exchange for(作为...的交换) student exchange program(学生交换项目) 📖例句: We exchanged phone numbers at the party. ⚠️考点: exchange A for B(用A换B) I exchanged dollars for euros. 不可说:exchange with each other(❌重复,exchange已含双向含义) ❓经典例题: She wants to ______ her book ______ your pen. (A) exchange; for (B) change; with ✅答案:A 22.accident n.意外;(交通)事故 🔸词性:n. 意外;事故 🔹巧记:"ac(强调) + cid(落下) + ent" → 突然掉下 来的事=意外 📚固定搭配: car accident(车祸) by accident(偶然地) 📖例句: He broke the vase by accident. ⚠️考点: 区分: accident(意外事故) incident(小事件,可能含冲突) ❓经典例题: The fire was caused by ______. (A) an accident (B) an incident ✅答案:A(强调非故意) by accident偶然;意外地 🔸词性:短语,意为"偶然地" 🔹巧记:对比 on purpose(故意地) → 反义词 记忆 📚固定搭配: discover by accident(偶然发现) 📖例句: I found this old photo by accident. ⚠️考点: = by chance(同义替换考点) ❓经典例题: ______, I met my teacher at the airport. (A) By accident (B) On accident ✅答案:A(固定搭配) 24.expect v.预料;期待 🔸词性:v. 预料;期待 🔹巧记:"ex(出) + pect(看)" → 向外看=期待 📚固定搭配: expect to do(预计做某事) as expected(正如预料) 📖例句: We expect rain tomorrow. ⚠️考点: 后接不定式:I expect to finish by 5pm. expect sb to do(期待某人做) Parents expect children to study hard. ❓经典例题: We didn’t ______ him to win. (A) hope (B) expect ✅答案:B(hope不接sb to do结构) 25.silver adj.银色的n.银 🔸词性:adj. 银色的;n. 银 🔹巧记:对比 gold(金) + silver(银) → 金银CP✨ 📚固定搭配: silver medal(银牌) silver hair(银发) 📖例句: Her ring is made of silver. ⚠️考点: 化学符号:Ag(来自拉丁语argentum) ❓经典例题: The ______ moon hung in the sky. (A) golden (B) silver ✅答案:B(银色月亮) 26.silver lining 一线光明 🔸词性:短语,意为"一线希望" 🔹巧记:乌云(cloud)镶着银边(silver lining)→ 黑暗中仍有光 📚固定搭配: Every cloud has a silver lining.(谚语:黑暗中总有一 线光明) 📖例句: The injury was bad, but the silver lining was more family time. ⚠️考点: 常与cloud搭配使用,考察谚语 ❓经典例题: After failing the exam, he looked for ______. (A) a silver lining (B) a gold line ✅答案:A 27.situation n.情况;状况 🔸词性:n. 情况;状况 🔹巧记:"sit(坐) + uation" → 坐稳了面对状况! 📚固定搭配: current situation(现状) in a difficult situation(处境困难) 📖例句: The economic situation is improving. ⚠️考点: 同义词:circumstance(常用复数) ❓经典例题: What would you do in this ______? (A) situate (B) situation ✅答案:B 28.care about关心;担心 🔸词性:短语,意为"关心;在意" 🔹巧记:care(关心) + about(关于) → 关心关于... 的事 📚固定搭配: care deeply about(非常关心) don't care about(不在乎) 📖例句: She cares about animal rights. ⚠️考点: 区分: care about(关心事物) care for(照顾;喜欢) ❓经典例题: He doesn’t ______ money. (A) care about (B) care for ✅答案:A 29.reach v.伸手;达到 🔸词性:v. 伸手;达到 🔹巧记:对比 teach(教) → 老师伸手递知识 📚固定搭配: reach for(伸手去拿) reach an agreement(达成协议) 📖例句: The baby reached for the toy. ⚠️考点: 多义词: 物理到达:reach the station 抽象达成:reach a goal ❓经典例题: She ______ the book on the top shelf. (A) reached (B) reached for ✅答案:B(强调"试图够到") 30.reach for伸手触碰 🔸词性:短语,意为"伸手去拿" 🔹巧记:reach(伸) + for(为了) → 为了某物而伸手 📚固定搭配: reach for the stars(追求梦想) 📖例句: He reached for his wallet in his pocket. ⚠️考点: 与reach区别: reach直接接宾语(碰到) reach for(试图碰到) ❓经典例题: The cat ______ the fish but couldn’t get it. (A) reached (B) reached for ✅答案:B 31.touch v.触动;触碰 🔸词性:v. 触碰;n. 接触 🔹巧记:谐音"他吃" → 他吃之前要先触碰食物 📚固定搭配: keep in touch(保持联系) touch screen(触摸屏) 📖例句: Don’t touch the wet paint! ⚠️考点: 形容词:touching(感人的) a touching story ❓经典例题: The story was so ______ that I cried. (A) touch (B) touching ✅答案:B 32.lend(sb)a hand帮助(某人) 🔸词性:短语,意为"帮助(某人)" 🔹巧记:lend(借出) + hand(手) → 借出手=帮忙 📚固定搭配: Can you lend me a hand?(能帮个忙吗?) 📖例句: They lent a hand with the cleaning. ⚠️考点: = give sb a hand(同义替换) ❓经典例题: Could you ______ me a hand with this box? (A) borrow (B) lend ✅答案:B 新单词(回顾) New words 1.alike adj.相像的adv.相似地 2.mirror n.镜子 3.interest n.业余爱好;兴趣v.使感兴趣 4.novel n.小说 5.difference n.差异 6.sense n.理解力;感觉 7.humour /hju:mo/ (=humor)n.幽默;幽默感 8.thanks to归功于;由于;因为 9.less adj.较少的;更少的adv.较少地;更少地pron.较少;更少 10.straightforward adj坦率的;简单的 11.opinion n.看法;意见 12.make a mistake犯错误 13.honest adj.坦诚的;诚实的 14.direct adj.率直的;直接的 15.similarity n.相似之处 16.friendship n.友谊;友情 17.metre /'mi:ta(r)/ (=meter)n.米 18.prince n.王子 19.character n.人物;个性 20.pauper n.贫民;乞巧 21.exchange v.&n.交换 22.accident n.意外;(交通)事故 23.by accident偶然;意外地 24.expect v.预料;期待 25.silver adj.银色的n.银 26.silver lining 一线光明 27.situation n.情况;状况 28.care about关心;担心 29.reach v.伸手;达到 30.reach for伸手触碰 31.touch v.触动;触碰 32.lend(sb)a hand帮助(某人) 感谢聆听 批评指导 Thanks for listening $$

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Unit3SectionB 单词讲解课件 2025-2026学年人教版八年级英语上册
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Unit3SectionB 单词讲解课件 2025-2026学年人教版八年级英语上册
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Unit3SectionB 单词讲解课件 2025-2026学年人教版八年级英语上册
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Unit3SectionB 单词讲解课件 2025-2026学年人教版八年级英语上册
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Unit3SectionB 单词讲解课件 2025-2026学年人教版八年级英语上册
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Unit3SectionB 单词讲解课件 2025-2026学年人教版八年级英语上册
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