Unit 8 Section B 单词讲解课件- 2025-2026学年人教版英语八年级下册

该初中英语课件聚焦新人教版八年级下册Unit 8“Making a Difference”核心词汇，结合“帮助他人”主题，通过Blue Sky Rescue演讲等真实语境导入，从单词读音、词性到搭配、中考考点，搭建“词汇-语境-应试”学习支架，助力学生系统掌握lady、gentleman等30余个重点词汇及用法。 其亮点在于融合“搭配-例句-考点-例题”四维解析，如通过区分lady与woman、elder与older培养思维品质，借助be worth doing等结构提升语言运用能力，经典例题强化应试策略。学生能在语境中深化词汇理解，教师可直接利用考点解析与例题高效教学，兼顾语言能力与学习能力培养。

新人教版八年级英语（下） 单词讲解课件 Section B How does helping others make adifference? Unit 8 Making a Difference 讲解内容 经典例题 例句翻译 常用搭配 读音、词性 新单词（预习） New words lady 女士 淑女 gentleman 先生 君子 bark 狗吠叫 狗叫声 sign up 报名 ever since 自从 自……以后 adult 成年人 成年的 成熟的 missing 失踪的 丢失的 practical 实用的 实际的 life-saving 救命的 救生的 teamwork 团队合作 successful 成功的 有成就的 most of all 最主要的是 value 重要作用 价值 voluntary 自愿的 无偿的 ordinary 平凡的 普通的 worth 值得 有价值 audience 听众 观众 willing 乐意的 愿意的 on the go 忙碌的 in need 处于贫困中 生活困难 success 成功 elder 年龄较长的 donate 捐赠 赠送 pocket 口袋 effort 努力 艰难的尝试 hand out 分发 familiar with 通晓 熟悉 talent 才能 天赋 天才 madam 女士 夫人 advertisement 广告 启事 lady lady 【常见搭配】 young lady (年轻女士) ladies and gentlemen (女士们先生们) first lady (第一夫人) 【原文例句】 "Ladies and gentlemen, thank you for inviting me to speak to you about Blue Sky Rescue today." 【中考考点】 名词，对女性的礼貌称呼 区分：lady (女士，强调教养)、woman (女人，一般用语) 女士；淑女 【经典例题】 The ______ in red is our English teacher. A. lady B. man C. boy D. girl ✅ 答案：A gentleman gentleman 【常见搭配】 gentleman agreement (君子协定) old gentleman (老先生) ladies and gentlemen (女士们先生们) 【原文例句】 "Ladies and gentlemen, thank you for inviting me..." 【中考考点】 名词，对男性的礼貌称呼 复数形式特殊：gentlemen 先生；君子 【经典例题】 He is a true ______ who always helps others. A. gentleman B. boy C. child D. baby ✅ 答案：A bark bark 【常见搭配】 bark at (对……吠叫) dog's bark (狗叫声) bark loudly (大声吠叫) 【原文例句】 "After some time, we heard dogs barking and the voices of the Blue Sky Rescue team." 【中考考点】 动词和名词，专指狗叫 区分：bark (狗叫)、meow (猫叫)、crow (鸡鸣) (狗)吠叫(v.)；狗叫声(n.) 【经典例题】 The dog ______ at the stranger. A.spoke B. sang C. barked D. cried ✅ 答案：C sign up sign up 【常见搭配】 sign up for (报名参加) sign up as a volunteer (报名当志愿者) sign up online (在线注册) 【原文例句】 "I signed up with Blue Sky Rescue in 2009, and I've been a volunteer ever since." 【中考考点】 短语动词，常用于报名参加活动、课程等 在听力中常出现在注册、报名场景 报名；注册；签约 【经典例题】 Many students ______ for the summer camp. A. signed up B. gave up C. made up D. took up ✅ 答案：A ever since 【常见搭配】 ever since then (从那以后) ever since I was a child (自从我还是个孩子时) 【原文例句】 "I signed up with Blue Sky Rescue in 2009, and I've been a volunteer ever since." 【中考考点】 时间状语短语，与现在完成时连用 区分：ever since (自从……以后一直)、since (自从) 自从；自……以后 【经典例题】 I've known her ______ we were in primary school. A.after B. when C. before D. ever since ✅ 答案：D adult adult 【常见搭配】 young adult (年轻人) adult education (成人教育) adult movie (成人电影) 【原文例句】 "We've been to schools and other communities to teach children and adults how to stay safe..." 【中考考点】 名词和形容词，表示成年 区分：adult (成年人)、child (儿童)、teenager (青少年) 成年人(n.)；成年的；成熟的(adj.) 【经典例题】 Tickets cost $10 for ______ and $5 for children. A. adults B. students C. teachers D. workers ✅ 答案：A missing missing 【常见搭配】 missing person (失踪人员) missing book (丢失的书) go missing (失踪) 【原文例句】 "We've also rescued people during emergencies. We've provided medical aid and searched for missing people after natural disasters..." 【中考考点】 形容词，作表语或定语 动词：miss (想念；错过) 失踪的；丢失的 【经典例题】 The police are looking for the ______ child. A.found B. missing C. happy D. clever ✅ 答案：B practical practical 【常见搭配】 practical advice (实用建议) practical problem (实际问题) practical joke (恶作剧) 【原文例句】 "Working as a volunteer has taught me many practical life-saving skills." 【中考考点】 形容词，强调实用性 区分：practical (实用的)、theoretical (理论的) 实用的；实际的 【经典例题】 This book gives ______ tips for learning English. A. practical B. difficult C. expensive D. beautiful ✅ 答案：A life-saving life-saving 【常见搭配】 life-saving skills (救生技能) life-saving medicine (救命药) life-saving equipment (救生设备) 【原文例句】 "Working as a volunteer has taught me many practical life-saving skills." 【中考考点】 复合形容词，life-saving中间有连字符 类似的：time-saving (省时的)、money-saving (省钱的) 救命的；救生的 【经典例题】 Learning first aid can give you ______ skills. A.time-saving B. life-saving C. money-saving D. energy-saving ✅ 答案：B teamwork teamwork 【常见搭配】 good teamwork (良好的团队合作) importance of teamwork (团队合作的重要性) teamwork spirit (团队精神) 【原文例句】 "It has also helped me understand the power of teamwork because it's the key to successful rescues." 【中考考点】 不可数名词，team和work的合成词 在书面表达中可用于描述合作精神 团队合作 【经典例题】 ______ is very important in group projects. A. Teamwork B. Homework C. Housework D. Schoolwork ✅ 答案：A successful successful 【常见搭配】 successful person (成功人士) successful attempt (成功的尝试) be successful in (在……方面成功) 【原文例句】 "...it's the key to successful rescues." 【中考考点】 形容词，由success (n.) + -ful构成 副词：successfully (成功地) 成功的；有成就的 【经典例题】 She is a ______ businesswoman. A. successful B. friendly C. kind D. happy ✅ 答案：A most of all most of all 【常见搭配】 but most of all (但最重要的是) most of all, I want to... (最重要的是，我想要……) 【原文例句】 "Most of all, being a volunteer has taught me the value of every life." 【中考考点】 固定短语，用于强调最重要的方面 在书面表达中用于层次递进 最主要的是 【经典例题】 I like many sports, but ______, I enjoy swimming. A.after all B. at all C. most of all D. first of all ✅ 答案：C value value 【常见搭配】 value of life (生命的价值) high value (高价值) value education (重视教育) 【原文例句】 "Most of all, being a volunteer has taught me the value of every life." 【中考考点】 一词多义，既是名词也是动词 形容词：valuable (有价值的) 重要作用；价值(n.)；重视(v.) 【经典例题】 This old watch has great sentimental ______ to me. A. value B. price C. cost D. money ✅ 答案：A voluntary voluntary 【常见搭配】 voluntary work (志愿工作) voluntary service (志愿服务) on a voluntary basis (自愿基础上) 【原文例句】 "It's voluntary, so we aren't paid." 【中考考点】 形容词，副词：voluntarily (自愿地) 名词：volunteer (志愿者) 自愿的；无偿的 【经典例题】 She does ______ work at the local hospital. A. voluntary B. difficult C. easy D. boring ✅ 答案：A ordinary ordinary 【常见搭配】 ordinary people (普通人) ordinary day (平常的一天) out of the ordinary (不寻常的) 【原文例句】 "I'm just an ordinary person, but I'll rush into danger, just like everyone else in Blue Sky Rescue." 【中考考点】 形容词，反义词：extraordinary (非凡的) 近义词：common (普通的)、normal (正常的) 平凡的；普通的 【经典例题】 He looks like an ______ person, but he's actually a hero. A. strange B. unusual C. ordinary D. special ✅ 答案：C worth worth 【常见搭配】 be worth doing (值得做) be worth the effort (值得努力) be worth money (值钱) 【原文例句】 "And that makes everything we do worth it." 【中考考点】 形容词，后接名词或动名词 常用结构：be worth + n./doing 区分：worth (值得的)、worthy (值得的，需接of) 值得；有价值(adj.) 【经典例题】 This book is ______ reading. A. worth B. worthy C. valuable D. useful ✅ 答案：A audience audience 【常见搭配】 large audience (大批观众) audience member (观众成员) target audience (目标受众) 【原文例句】 The audience cheered and clapped. 观众又是喝彩又是鼓掌。 【中考考点】 集合名词，可作单数或复数 在听力、阅读理解中出现在演讲、表演等场景 听众；观众 【经典例题】 The ______ clapped loudly at the end of the performance. A. audience B. actors C. singers D. players ✅ 答案：A willing willing 【常见搭配】 be willing to do (愿意做) willing helper (乐于助人者) willing participant (自愿参与者) 【原文例句】 "We hope... you are willing to volunteer to help others." 【中考考点】 形容词，常用于be willing to do结构 反义词：unwilling (不愿意的) 乐意的；愿意的 【经典例题】 Are you ______ to help me with my homework? A. willing B. happy C. glad D. ready ✅ 答案：A on the go on the go 【常见搭配】 always on the go (总是忙个不停) be on the go all day (整天忙碌) 【原文例句】 I've been on the go all day. 我一整天忙得马不停蹄。 【中考考点】 固定短语，形容忙碌状态 在阅读理解中描述人物生活节奏 忙碌的；忙个不停 【经典例题】 She's always ______ with her work and family. A. at home B. on the go C. in bed D. on holiday ✅ 答案：B in need in need 【常见搭配】 people in need (需要帮助的人) help those in need (帮助有需要的人) friend in need (患难之交) 【原文例句】 "He and his mum signed up with a local charity organization two years ago, and he has worked there once a week ever since to provide aid to people in need." 【中考考点】 固定短语，need前不加冠词 常用作后置定语 处于贫困中；生活困难；需要帮助 【经典例题】 We should help people ______. A. in need B. in time C. in trouble D. in danger ✅ 答案：A success 【常见搭配】 achieve success (取得成功) key to success (成功的关键) great success (巨大成功) 【原文例句】 "But to achieve success, you need to have a clear goal and stick to it." 【中考考点】 不可数名词 形容词：successful (成功的) 动词：succeed (成功) 成功 【经典例题】 Hard work is the key to ______. A. success B. money C. health D. happiness ✅ 答案：A elder elder 【常见搭配】 elder brother/sister (哥哥/姐姐) elder statesman (政界元老) respect your elders (尊重长者) 【原文例句】 "My elder brother volunteers at the nursing home because he wants to help the elderly." 【中考考点】 形容词，多用于家庭成员间比较 区分：elder (年长的，多作定语)、older (较老的，可作表语) (尤指家庭中两个成员) 年龄较长的 【经典例题】 My ______ sister is two years older than me. A. little B. younger C. elder D. big ✅ 答案：C donate donate 【常见搭配】 donate money (捐款) donate blood (献血) donate to (捐赠给) 【原文例句】 "Harry has even donated to the organization to help them buy food for special festivals!" 【中考考点】 动词，名词：donation (捐赠物) 常用结构：donate sth. to sb./somewhere 捐赠；赠送 【经典例题】 Many people ______ clothes to the poor. A. donate B. buy C. sell D. make ✅ 答案：A pocket pocket 【常见搭配】 pocket money (零花钱) coat pocket (外套口袋) in one's pocket (在口袋里) 【原文例句】 "Harry has even donated pocket money to the organization..." 【中考考点】 名词，可数 复合词：pocket-sized (袖珍的)、pickpocket (扒手) 口袋 【经典例题】 He put the key in his ______. A. pocket B. bag C. box D. hand ✅ 答案：A effort effort 【常见搭配】 make an effort (努力) joint effort (共同努力) with effort (费力地) 【原文例句】 You should put more effort into your work. 你应该更加努力地工作。 【中考考点】 可数或不可数名词 动词：effortless (不费力的) 常用短语：spare no effort (不遗余力) 努力；艰难的尝试 【经典例题】 With great ______, he finally finished the work. A.help B. time C. money D. effort ✅ 答案：D hand out hand out 【常见搭配】 hand out papers (分发试卷) hand out food (分发食物) hand out leaflets (分发传单) 【原文例句】 "He helps to clean up the kitchen and hand out hot meals to people." 【中考考点】 短语动词，hand的宾语可放在中间 近义词：distribute (分发)、give out (分发) 分发 【经典例题】 The teacher will ______ the test papers now. A. hand out B. hand in C. hand over D. hand back ✅ 答案：A familiar with familiar with 【常见搭配】 be familiar with (熟悉) get familiar with (变得熟悉) make familiar with (使熟悉) 【原文例句】 "We hope... you are familiar with the arts: Chinese dance, calligraphy, music, etc." 【中考考点】 形容词短语，后接事物 区分：familiar with (熟悉某事物)、familiar to (为某人所熟悉) 通晓；熟悉 【经典例题】 Are you ______ this type of computer? A. familiar with B. good at C. interested in D. fond of ✅ 答案：A talent talent 【常见搭配】 have a talent for (有……的天赋) young talent (年轻天才) talent show (才艺表演) 【原文例句】 "We'd love to know more about you, your skills and talents, and your experience as a youth volunteer." 【中考考点】 名词，可数(指人)或不可数(指才能) 形容词：talented (有才能的) 才能；天赋；天才 【经典例题】 She has a ______ for painting. A. hobby B. talent C. job D. plan ✅ 答案：B madam madam 【常见搭配】 Dear Madam (尊敬的女士，信函称呼) Madam Chair (主席女士) yes, madam (是的，女士) 【原文例句】 "Dear Sir or Madam,"（尊敬的先生或女士，） 【中考考点】 名词，正式场合对女性的尊称 区分：madam (女士)、Mrs. (夫人)、Miss (小姐) (正式、礼貌的称呼) 女士；夫人 【经典例题】 ______, can I help you? A. Madam B. Sir C. Boy D. Girl ✅ 答案：A advertisement (缩写：ad) advertisement (缩写：ad) 【常见搭配】 TV advertisement (电视广告) job advertisement (招聘广告) place an advertisement (登广告) 【原文例句】 "I saw your advertisement, and I'm writing to..." 【中考考点】 名词，动词：advertise (做广告) 缩写：ad (常用于口语) 广告；启事 【经典例题】 There's an ______ for a new phone in the newspaper. A. advertisement B. article C. story D. news ✅ 答案：A 新单词（复习） New words lady 女士 淑女 gentleman 先生 君子 bark 狗吠叫 狗叫声 sign up 报名 ever since 自从 自……以后 adult 成年人 成年的 成熟的 missing 失踪的 丢失的 practical 实用的 实际的 life-saving 救命的 救生的 teamwork 团队合作 successful 成功的 有成就的 most of all 最主要的是 value 重要作用 价值 voluntary 自愿的 无偿的 ordinary 平凡的 普通的 worth 值得 有价值 audience 听众 观众 willing 乐意的 愿意的 on the go 忙碌的 in need 处于贫困中 生活困难 success 成功 elder 年龄较长的 donate 捐赠 赠送 pocket 口袋 effort 努力 艰难的尝试 hand out 分发 familiar with 通晓 熟悉 talent 才能 天赋 天才 madam 女士 夫人 advertisement 广告 启事 感谢聆听 批评指导 Thanks for listening null 1296.0 null 1512.0 null 1344.0 Blues 1985.3053 Blues 2272.653 null 1344.0 null 1368.0 null 1440.0 null 2112.0 null 1392.0 null 1656.0 null 1071.02 null 864.0 null 1656.0 null 1440.0 null 1392.0 null 1440.0 null 1344.0 null 2011.4277 null 1854.6931 null 1488.0 null 1272.0 null 1176.0 null 1224.0 null 1224.0 Blues 1906.938 Blues 2037.5502 null 1296.0 null 1368.0 null 1656.0 $