Unit1单词讲解课件 -2025-2026学年外研版（2024）英语八年级上册

外研社八年级英语上册 单词讲解课件 Unit 1 This is me 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 1.suppose v 假设，认为 2.birthmark n.胎记，胎痣 3.bright adj. 鲜艳的 4.strawberry n.草莓 5.secretly adv. 暗自 6.crowded adj.挤满人(物)的;拥挤的 7.disaster n.灾难，灾祸 8.therefore n.因此，由此，所以 9.cover v 遮盖 10.instead adv 代替…:而不是…… 11.instead of 代替……;而不是… 12.although conj. 虽然，尽管 13.bathroom n.浴室，卫生间 14.quickly adv. 快速地 15.truly adv 真实地，确实地 16.paint v(给…)涂颜料 17.yet adv. 还，尚 18.already adv.已经 19.difference n.差别，差异 20.hate v, 讨厌，不喜欢 21.successful adj. 有成就的,出人头地的 22.scientific adj.科学(上)的 23.wise adj. 明智的，明断的 24.perfect n.(动词的)完成式 25.underline v.在…之下画线 26.row n. 一排，一行，一列 27.primary adj. 小学教育的，初级 28.reach v伸;伸手(以触碰或提起某物) 29.height n. 身高;高，高度 suppose /səˈpəʊz/ v. 假设,认为 课文原句: I suppose you are right.(我认为你是对的。) 常用搭配: suppose + that从句: Scientists suppose that life exists on other planets.        be supposed to do: You are supposed to hand in your homework today. 01 “be supposed to” 表示“应该”,常考其否定形式(如:You’re not supposed to smoke here.)。 考点: 02 - What do you ______ we should do next? - I suppose we should ask the teacher for help.   A.agine  B. suppose  C. wonder  D. believe   答案：B 经典例题：   birthmark /ˈbɜːθmɑːk/ n. 胎记 源分析： birth（出生）+ mark（标记）= 出生时的标记 课文应用： 在描述人物外貌时使用 原句再现： The main character had a heart-shaped birthmark on his left arm 经典搭：  have a birthmark 例句：In the story, the princess was identified by the star-shaped birthmark on her shoulder. strawberry /ˈstrɔːbəri/ n. 草莓 复合词记忆：straw（稻草）+ berry（浆果） 趣味记忆：古人用稻草垫草莓以防腐烂 实用搭配： strawberry jam（草莓酱） strawberry fields（草莓田） strawberry blonde（草莓金发色） 语法要点： 复数变化：strawberries（注意y变i加es） 量词使用：a basket of strawberries（一篮草莓） 【生活应用】 点餐用语：I'd like a strawberry smoothie, please. 购物对话：These strawberries look fresh. How much are they? secretly /ˈsiːkrətli/ adv. 秘密地 词性转换： 形容词：secret（秘密的） 名词：secret（秘密） 近义表达： in secret behind someone's back 句型应用： 主语 + secretly + 谓语动词 例句：Tom secretly prepared a birthday surprise for his mother. 单击此处添加标题 【情景演练】 2. 写作提升: 01 1. 阅读题常见考点: The boy secretly took a cookie from the jar when no one was looking. (问题:How did the boy take the cookie?) 02 基础句:She left the room quietly. 升级句:She secretly slipped out of the room. crowded /ˈkraʊdɪd/ adj. 拥挤的 slightly crowded(略微拥挤) extremely crowded(极其拥挤) 程度表达: crowded ↔ empty/spacious 反义对比: crowded with + 人或物 例句:The station was crowded with commuters. 介词搭配: 01 02 03 单击此处添加标题 完形填空: The subway was so ______ that we couldn't find a place to stand. A. quiet B. crowded C. clean D. bright (正确答案:B) 01 【真题再现】 The classroom was crowd with students. (改正:crowd → crowded) 02 改错题: 11 disaster /dɪˈzɑːstə/ n. 灾难，灾祸   课文原句：The earthquake was a terrible disaster.   常用搭配：   natural disaster（自然灾害）   cause a disaster（引发灾难）   例句：   The flood was a disaster for the small village.   Poor planning led to a financial disaster.   考点：   形容词：disastrous（灾难性的）   近义词：catastrophe（大灾难）   therefore /ˈðeəfɔː/ adv. 因此，所以 He forgot his homework; therefore, he got a low score. 01 课文原句: 用于句中或句首,表示因果关系。 She was ill, therefore she stayed at home. 02 常用搭配: 与 so 和 because 的区别: 03 考点: 13 单击此处添加标题 经典例题: It was raining heavily; ______, the football match was canceled. A. however  B. therefore  C. although  D. instead 答案:B 请单击此处输入你的正文具体内容，文字是您思想的重要提炼，为了最终演示发布的良好效果。 01 02 14 cover /ˈkʌvə/ v. 遮盖；覆盖 She covered her face with her hands. 课文原句: cover sth. with sth.(用某物覆盖某物)  be covered in/with(被……覆盖) 常用搭配: The ground was covered with snow. Please cover the food to keep it warm. 例句: 名词:cover(封面;盖子) 短语:cover up(掩盖) 考点: instead /ɪnˈsted/ adv. 代替；反而 He didn’t go to the party; instead, he stayed at home. 课文原句: instead of(代替……;而不是……) She chose tea instead of coffee. 常用搭配: instead 单独使用时,常放在句首或句尾。 instead of 后接名词、代词或动名词。 考点: 经典例题： 1 I don’t like pizza; I’d like a salad ______. A. instead  B. instead of  C. although  D. therefore 答案：A instead of 代替……；而不是…… 课文原句： We walked instead of taking the bus.   例句：   She chose to study instead of playing games.   Why don’t you try calling instead of texting?   考点：   后接名词、代词或动名词（-ing形式）。   与 rather than 的区别：rather than 更强调偏好。   although /ɔːlˈðəʊ/ conj. 虽然，尽管   课文原句：Although it was raining, we went out.   常用搭配：   用于句首或句中，引导让步状语从句。   Although he is young, he is very wise.   考点：   不可与 but 连用（错误：Although it was late, but we continued working.）   近义词：though（更口语化）   经典例题：   ______ he was tired, he finished his homework.   A.Because  B. Although  C. So  D. Therefore   答案：B   单击此处添加大标题内容 bathroom /ˈbɑːθruːm/ n. 浴室，卫生间   课文原句：She went to the bathroom to wash her hands.   常用搭配：   take a bath（洗澡）   go to the bathroom（上厕所）   考点：   美式英语中，bathroom 可指“厕所”；英式英语常用 toilet。 quickly /ˈkwɪkli/ adv. 快速地   课文原句：He ran quickly to catch the bus.   常用搭配：   do sth. quickly（快速做某事）   more quickly（更快地）   考点：   形容词：quick（快速的）   近义词：fast（adj. & adv.），但 fast 不可加 -ly。   truly /ˈtruːli/ adv. 真实地，确实地 I truly believe you can succeed. 课文原句: truly happy(真正快乐的) Yours truly(书信结尾用语) 常用搭配: She was truly sorry for her mistake. This is truly the best cake I've ever tasted! 例句: 形容词:true(真实的) 辨析:really(口语化) vs truly(更正式) 考点: paint /peɪnt/ v. 涂颜料；绘画 名词:paint(颜料),painting(绘画作品) 短语:paint the town red(狂欢) 考点: paint a picture(画一幅画) paint sth. + color(把某物涂成某色) 常用搭配: 单击在添加正文，文字是您思想的提炼，为了最终演示发布的良好效果。根据需要可酌情增减文字，以便观者准确理解您所传达的信息。 课文原句:They painted the wall blue. He paints landscapes in his free time. She painted her nails red for the party. 例句: yet /jet/ adv. 还，尚 课文原句: He hasn't finished his homework yet. 例句: Have you eaten yet? The movie hasn't started yet. 常用搭配: not...yet(尚未) as yet(到目前为止) 考点: 用于否定句和疑问句,表示"到目前为止"。 肯定句中用 already(I've already seen that film.) already /ɔːlˈredi/ adv. 已经 They've already visited Paris twice. It's already 10 o'clock! 常与完成时连用,放在助动词后、实义动词前。 疑问句中表惊讶:Have you finished already? She has already left for school. have already done(已经做完某事) be already + adj.(已经是...状态) 课文原句: 常用搭配: 例句: 考点: difference /ˈdɪfrəns/ n. 差别，差异 课文原句：Can you tell the difference between the twins? 常用搭配： make a difference（有影响） difference in + 方面（...方面的差异） 例句： There's a big difference between theory and practice. Your help made a real difference to our project. 考点： 形容词：different（不同的） 短语：same difference（没什么区别） hate /heɪt/ v. 讨厌，不喜欢 I hate getting up early on weekends. 课文原句: hate doing/to do(讨厌做某事) hate + n.(讨厌某物) 常用搭配: She hates spiders. He hates being interrupted. 例句: 反义词:love 程度弱化:don't like(不如hate强烈) 考点: 28 successful /səkˈsesfəl/ adj. 成功的   课文原句：The play was very successful.   常用搭配：   successful person/business（成功人士/企业）   be successful in（在...方面成功）   例句：   She's a successful writer.   Were you successful in finding the book?   考点：   名词：success，动词：succeed   反义词：unsuccessful   scientific /ˌsaɪənˈtɪfɪk/ adj. 科学的 They used scientific methods to solve the problem. 常用搭配: scientific research(科学研究) scientific discovery(科学发现) 课文原句: This theory has no scientific basis. The development of computers is a great scientific achievement. 考点: 名词:science(科学),scientist(科学家) 例句: wise /waɪz/ adj. 明智的，明断的 课文原句： It was wise of you to bring an umbrella.   常用搭配：   wise decision（明智的决定）   be wise to do（做...是明智的）   例句：   She gave me some wise advice.   It's not wise to go out in this storm.   考点：   名词：wisdom（智慧）   反义词：foolish（愚蠢的）   perfect /ˈpɜːfɪkt/ adj. 完美的 Her English pronunciation is perfect. 课文原句: perfect weather(完美的天气) practice makes perfect(熟能生巧) 常用搭配: Nobody is perfect. This is the perfect place for a picnic. 例句: 动词:perfect(使完美) 近义词:flawless(无瑕疵的) 考点: underline /ˌʌndəˈlaɪn/ v. 在...下面画线   课文原句：Please underline the key sentences in the text.   常用搭配：   underline the importance（强调重要性）   words underlined（画线的单词）   例句：   The teacher asked us to underline the new words.   This accident underlines the need for better safety measures.   考点：   近义词：highlight（高亮标记）   引申义：强调（= emphasize）   row /rəʊ/ n. 一排，一行，一列 We sat in the front row of the classroom. 课文原句: a row of trees(一排树) in a row(连续地) 常用搭配: Plant the flowers in straight rows. Our team has won three games in a row. 例句: 同音词:roe(鱼卵) 易混淆:line(线/队伍) vs row(整齐排列) 考点: primary /ˈpraɪməri/ adj. 初级的；小学的 课文原句: This book is for primary school students. 常用搭配: primary school(小学) primary color(原色) 例句: My primary goal is to improve my English. Red, blue and yellow are primary colors. 35 reach /riːtʃ/ v. 伸手；到达 She reached for the book on the top shelf. 课文原句: reach out(伸出手) reach an agreement(达成协议) 常用搭配: Can you reach the light switch? We reached Beijing at 8 pm. 例句: 及物/不及物动词均可 短语:beyond one's reach(够不着/能力不及) 考点: 36 height /haɪt/ n. 高度；身高 What's your height? 课文原句: average height(平均身高) at the height of(在...巅峰时期) 常用搭配: The height of the mountain is 2,000 meters. She's the same height as her mother. 例句: 形容词:high(高的) 易错拼写:注意gh不发音 考点: 37 literature /ˈlɪtərətʃər/ n. 文学；文学作品 【课文原句】 "We're studying American literature this term," said the teacher. 【核心讲解】 学科分类： classical literature 古典文学contemporary literature 当代文学 常用搭 literature review 文献综述 literature class 文学课 文化知识： Nob Prize in Literature 诺贝尔文学奖 单击此处添加标题 【经典例题】 答案:A 01 The ___ Prize is awarded to outstanding writers every year. A. Literature B. Literate C. Literary 02 search /sɜːrtʃ/ n./v. 寻找；搜寻 "Let's search the room for the missing key," Mom suggested. 【课文原句】 01 动词搭配: search for 寻找(强调目标) search through 仔细搜寻 名词用法in search of 寻找 online search 网络搜索 【用法详解】 02 × I'm searching my lost phone. √ I'm searching for my lost phone. 【易错警示】 03 value /ˈvæljuː/ n. 价值 "These old coins have great historical value," the collector explained. 【课文原句】 价值类型: market value 市场价值 nutritional value 营养价值 动词用法value one's opinion 重视某人的意见 【深度讲解】 value作动词时,后接名词或代词作宾语 【考点提示】 character /ˈkærəktər/ n. 人物角色 "The main character in this novel is very brave," the student reported. 【课文原句】 01 角色类型: supporting character 配角 cartoon character 卡通人物 其他词 Chinese characters 汉字 【影视应用】 02 char(音似"察")+ act(表演)+ er → 需要观察表演的人 → 角色 【记忆技巧】 03 wizard /ˈwɪzərd/ n. 男巫 "The wizard in the story has magical powers," the boy said excitedly. 【文化延伸】 01 【课文原句】 Harry Potter 哈利·波特 Gandalf 甘道夫(《指环王》) 02 经典形象: computer wizard 电脑奇才 【词源故事】 源自wise(智慧),指有智慧的人 03 现代用 43 单击此处添加标题 1. 翻译:这本古书具有重要的文化价值。 2. 改错:She is searching her missing earring. 3. 填空:The ___ in this movie is based on a real historical figure. 巩固练习 1. This ancient book has great cultural value. 2. 改为:She is searching for her missing earring. 3. character 答案: impossible /ɪmˈpɑːsəbl/ adj. 不可能发生的；办不到的 【课文原句】"It's impossible to finish all this homework in one hour!" Tom complained. 【核心讲解】 构词分析： im-(否定前缀) + possible → 不可能的 常型： It's impossible to do sth. find it impossible to do 反义转换： impossibility n. 不可能性 单击此处添加标题 【经典例题】 It's ___ for humans to breathe underwater without equipment. A. possible B. impossible C. possibility 答案:B 请单击此处输入你的正文具体内容，文字是您思想的重要提炼，为了最终演示发布的良好效果。 01 02 46 单击此处添加标题 nothing /ˈnʌθɪŋ/ pron. 没有任何东西；没有事 01 【课文原句】 "There's nothing interesting in this magazine," Lisa sighed. 02 【重点用法】 常用搭配： nothing but 只有 have nothing to do with 与...无关 特殊句 Nothing is more...than... 没有什么比...更... 03 British /ˈbrɪtɪʃ/ adj. 英国的；英国人的 "We're learning British English in school," the students explained. 【课文原句】 区别表达: British English 英式英语 American English 美式英语 相关词 the British Museum 大英博物馆 British Council 英国文化协会 【文化拓展】 actress /ˈæktrəs/ n. 女演员 【课文原句】 "My dream is to become a famous actress," said Emily. 【职业词汇】 对应词:actor 男演员 词汇:leading actress 女主角 supporting actress 女配角 【词形变化】 复数形式:actresses silver /ˈsɪlvər/ adj. 银制的，银质的 【课文原句】"My grandmother gave me a beautiful silver necklace," Mary showed us. 【拓展词汇】 颜色表达：silver gray 银灰色 意义：silver anniversary 银婚(25周年) 相关物： silver medal 银牌 silverware 银器 silver screen n. 电影业 "Many stars shine on the silver screen," the film critic wrote. 【课文原句】 源自早期电影屏幕的银色反光特性 【词源故事】 泛指电影行业: stars of the silver screen 电影明星 【现代用法】 doubt /daʊt/ n. 怀疑 动词形式: doubt sth./that从句 短语: beyond doubt 毫无疑问 cast doubt on 对...产生怀疑 【常用表达】 否定句中用whether/if引导从句: I don't doubt that he will come. (肯定) I doubt whether he will come. (否定) 【语法注意】 "I have no doubt that you will succeed," the teacher encouraged. 【课文原句】 01、 02、 03、 52 fear /fɪr/ n. 害怕，恐惧；担忧 【课文原句】 "The little boy overcame his fear of darkness," the story tells. 【情感表达】 动词形式： fear to do/that... 常配： in fear of 害怕... for fear that 生怕... 【近义区分】 fear（较正式）vs. be afraid of（口语化） succeed /səkˈsiːd/ v. 成功，达成 【课文原句】 "If you work hard, you will succeed," the coach said firmly. 【成功表达】 常用结构： succeed in doing sth. 变化： success n. successful adj. 【反义表达】 fail to do sth. 未能... excellent /ˈeksələnt/ adj. 卓越的；极好的 01 "Your project is excellent!" the professor praised. 【课文原句】 03 无比较级和最高级形式 【注意】 02 同义替换:outstanding 常用搭:excellent performance 出色表现 excellent condition 状态极佳 【程度表达】 55 单击此处添加标题 1. 改错:She doubts that he will come on time. 2. 翻译:这位英国女演员在银幕上取得了巨大成功。 3. 填空:It's ___ to predict the future accurately. 巩固练习 1 1. 改为:She doubts whether he will come on time. 2. The British actress achieved great success on the silver screen. 3. impossible 答案: 2 56 second /ˈsekənd/ n. 秒 "Wait just a second, I'm almost ready," Lily called from her room. 【课文原句】 01 时间单位:60 onds = 1 minute 含义:the second floor(美式)二楼 second prize 二等奖 【时间表达】 02 The athlete finished the race in 10.2 seconds. 【实用例句】 03 57 satisfy /ˈsætɪsfaɪ/ v. 使(某人)满意 【课文原句】"The test results satisfied both teachers and parents," the principal announced. 【用法详解】 常用结构： satisfy sb. be satisfied with 词形变 satisfied adj. 感到满意的 satisfying adj. 令人满意的 【商务用语】 customer satisfaction 客户满意度 risky /ˈrɪski/ adj. 有危险的，有风险的 【课文原句】"Investing all your money in one stock is too risky," the financial advisor warned. 【风险等级】 slightly risky 稍有风险 extremely risky 极其危险 同义替换：dangerous 【实用搭配】 risky behavior 危险行为 zero /ˈzɪroʊ/ num. 零 【课文原句】 "Your chances of winning are almost zero," Jack said pessimistically. 【特殊用法】 zero degrees 零度 zero tolerance 零容忍 from zero to hero 从无名小卒到英雄 【数学用语】 zero point five 0.5 athlete /ˈæθliːt/ n. 运动员；田径运动员 【课文原句】 "The young athlete broke three school records," the sports reporter wrote. 【运动分类】 项目类型： track and field athlete 田径运动员 professional athlete 职业运动员 相关词 athletic adj. 运动的 athletics n. 田径运动 youngster /ˈjʌŋstər/ n. 年轻人 【课文原句】"These youngsters show great potential," the coach observed. 【年龄表达】 同义替换：youth teenager（13-19岁） 反义对 elder 年长者 【使用注意】 略带口语色彩，正式场合用young people stick /stɪk/ v. 粘，贴 "Stick the poster on the wall, please," the teacher instructed. 【课文原句】 物理粘合:stick A to B 含义:stick to sth. 坚持... 【动作详解】 The stamp won't stick to the envelope. 【实用例句】 63 stick to 坚持 【课文原句】 "If you stick to your plan, you'll succeed," Mom encouraged. 同义短语： persist in keep to 适用对象： stick to principles 坚持原则 stick to the schedule 按计划进行 【辨析】 stick with 继续支持/跟随 superman /ˈsuːpərmæn/ n. 超人 01 02 【课文原句】 "Not even Superman could solve all these problems," the comic book read. 【现代用法】 superman syndrome 超人综合征(指过度追求完美) 请单击此处输入你的正文具体内容，文字是您思想的提炼，为了最终演示发布的良好效果，可酌情增减你的文字。 65  重点单词应用示范 1. The doctor arrived in ___ after we called for help. A. seconds B. minutes C. hours 2.The restaurant's service ___ all the customers. A. satisfied B. satisfying C. satisfaction   3.No matter what happens, I'll ___ my original decision. A. stick out B. stick to C. stick with   4. Professional ___ need to train for at least 4 hours daily. A. athletes B. runners C. players   5. The 2024 Summer ___ will be held in Paris. A. Olympic B. Olympics C. Olympiad 答案：AABAB 新单词（复习） New words 1.suppose v 假设，认为 2.birthmark n.胎记，胎痣 3.bright adj. 鲜艳的 4.strawberry n.草莓 5.secretly adv. 暗自 6.crowded adj.挤满人(物)的;拥挤的 7.disaster n.灾难，灾祸 8.therefore n.因此，由此，所以 9.cover v 遮盖 10.instead adv 代替…:而不是…… 11.instead of 代替……;而不是… 12.although conj. 虽然，尽管 13.bathroom n.浴室，卫生间 14.quickly adv. 快速地 15.truly adv 真实地，确实地 16.paint v(给…)涂颜料 17.yet adv. 还，尚 18.already adv.已经 19.difference n.差别，差异 20.hate v, 讨厌，不喜欢 21.successful adj. 有成就的,出人头地的 22.scientific adj.科学(上)的 23.wise adj. 明智的，明断的 24.perfect n.(动词的)完成式 25.underline v.在…之下画线 26.row n. 一排，一行，一列 27.primary adj. 小学教育的，初级 28.reach v伸;伸手(以触碰或提起某物) 29.height n. 身高;高，高度 Thanks for listening 感谢聆听 批评指导 Thank you 68 $$