Unit 1 Looking forwards 一-2025-2026学年高中英语词汇变形及词缀精讲选择性必修第四册（外研版）

高中外研版 【选择性必修第四册】 词汇变形及词缀精讲 高中专版 【Unit1】Looking forwards 词汇变形及词缀精讲 全部单元单词 take action采取行动（常用短历史的 的决定)犹豫，产生怀疑（常用 语) detective/d'tektiv/n.私家侦探 短语) boyhood/'bohd/n.(男性的)ultimately/'Altimatli/adv.最后，put off推迟…，使…延期 童年时期，少年时代 最终 (常用短语) ambition/em'bn/n.追求，理dot/dot/n.点，小圆点 reject..out of hand坚决拒绝 想 backwards/'bekw3 dz/adv.往…；彻底否决·（常用短 trainee /trer'ni:/n.接受工作培回，往前面 语) 训的人：实习生 admission/ad'mun/n.允许进入weigh up仔细考虑，权衡（常 correspondent/,kDr3'spindant/(加入) 用短语) n.通讯员，记者 make up one's mind做出决定，participation /pa:,tisI'pejn/n. bullfighting/bulfaitr/n.斗牛拿定主意（常用短语） 参加，参与 (西班牙等国的传统活动，因涉pass up放过，放弃，错过（机complex/'kΦnpleks/adj.复杂的 及动物伦理存在争议) 会)（常用短语） historical /hI'stprikl/adj.(有关)have second thoughts(对原先 词汇变形及词缀精讲 1.historical /hI'storikl/ad.(有关)历史的 名词形式：history(（历史) 构词解析 后缀-ical:加在名词后，构成形容词，表“与…有关的：具有…性质的”。 同类词：logical(逻辑的)←-logic(逻辑)、biological(生物的)←-biology(生物) This historical novel tells the story of a hero during the Warring States Period. 真题链接（外研版高中选择性必修第四册同步练习)：The (history)event changed the course of the country.（答案：historical) 2.detective/d'tektrv/n.私家侦探 动词形式：detect(发现，察觉) 构词解析 后缀v:加在动词后，构成名词，表“从事…的人”或形容词“有…性质的”。此处作名词 高中外研版 【选择性必修第四册】 词汇变形及词缀精讲 “侦探”，指“从事侦查工作的人”。 同类词：executive(管理者)←一execute(执行)、active(活跃的)←-act(行动) 例句：The detective found some important clues at the crime scene. 真题链接（外研版高中选择性必修第四册单元测试）：The police asked a(detect)to help solve the mysterious case.(答案：detective) 3.participation /pa:,tIsI'perfn/n.参加，参与 动词形式：participate(参加，参与) 形容词形式：participative(参与式的) 构词解析 前缀pat-:表“部分”；后缀-icipate(动词词缀，表“获得”“参与”)：-ion:加在动词后构成名词， 表“动作或过程”。 固定搭配：participate in=take part in(参加) Her active participation in the discussion helped the group reach an agreement. 真题链接（外研版高中选择性必修第四册同步练习)：All students are encouraged to take part in after- school activities to improve their (participate).(答案：participation) 4.complex/'kpmpleks/adj.复杂的 名词形式：complex(建筑群；情结) 构词解析 前缀com-:表“共同”；后缀plex:表“折叠”，合在一起即“折叠在一起的”，引申为“复杂的”。 同类词：perplex(使困惑)←-per-(完全)+plex(折叠)、duplex(双层的)←-d-(双)+plex(折 叠) The problem is more complex than we expected and needs careful analysis. 真题链接（外研版高中选择性必修第四册单元测试)：The_(complex)of the experiment requires advanced equipment..(答案：complexity) 5.admission/ad'mun/n.允许进入（加入） 动词形式：admit(承认：允许进入) 构词解析 前缀a-:表“向，到”；词根mit/miss:表“送，发送”；后缀-ion:加在动词后构成名词，表“动 作或结果”。“admit”原义“送进去”，叼引申为“允许进入”，名词形式“admission”表“允许进入 的行为或状态”。 固定搭配：admit to(承认)：admission ticket（入场券) 例句：Admission to the museum is free for children under 12 真题链接（外研版高中选择性必修第四册同步练习）：He finally (admit)that he had made a mistake in the project.(答案：admitted) 6.ambition/em'brn/n.追求，理想 形容词形式：ambitious(有雄心的，有抱负的) 副词形式：ambitiously(雄心勃勃地) 构词解析 2 高中外研版 【选择性必修第四册】 词汇变形及词缀精讲 前缀amb-:表“周围”“四处”；词根it:表“走”；后缀-ion:构成名词，表“状态或行为”。“ambition” 原义“四处走动争取选票”，后引申为“追求、抱负”。 His ambition is to become a scientist and make contributions to human progress. 真题链接（外研版高中选择性必修第四册单元测试)：She is an(ambition)student who wants to study abroad in the future.(答案：ambitious) 7.trainee/trer'ni:/n.接受工作培训的人；实习生 动词形式：train(训练，培训) 构词解析 后缀-ee:加在动词后，构成名词，表“被…的人”（被动意义）。“trainee”即“被培训的人”。 同类词：employee(雇员)←-employ(雇佣)、interviewee(受访者)←-interview(采访) 例句：The company provides professional courses for new trainees 真题链接（外研版高中选择性必修第四册阅读填空)：The(rain)are required to attend a two- week training program before starting work.(答案：trainees) 8.correspondent/,kDr'sppndant//n.通讯员，记者 动词形式：correspond(符合；通信) 形容词形式：corresponding(相应的，对应的) 构词解析 前缀cor-(=com-,表“共同”)：词根respond(回应)：后缀-ent:加在动词后构成名词，表“从事 …的人”。“correspondent'”即“从事通信或报道工作的人”。 固定搭配：correspond with（与…通信) The correspondent sent back a detailed report from the disaster area. 真题链接（外研版高中选择性必修第四册阅读理解）：As a foreign__(correspond),she has traveled to many countries to cover important events.(答案：correspondent) 9.ultimately/'Altimatli/adv.最后，最终 形容词形式：ultimate(最终的，最后的) 名词形式：ultimatum（最后通牒) 构词解析 前缀uti-:表“最后，最远”；后缀-y:加在形容词后构成副词，表“…地”。 After several attempts,he ultimately succeeded in solving the problem. 真题链接（外研版高中选择性必修第四册完形填空）：(ultimate),we decided to postpone the meeting until next Monday..（答案：Ultimately) 10.backwards/'baekwadz/adv.往▣，往前面 形容词形式：backward(向后的：落后的) 构词解析 后缀-wards:加在名词或形容词后，构成副词，表“朝…方向”。“backwards”即“朝后方向”。 同类词：forward(向前的)→forwards(向前地)、upward(向上的)→upwards(向上地) 例句：He looked backwards to see if someone was following him 真题链接（外研版高中选择性必修第四册语法填空）：She stepped (backward)when she heard 高中外研版 【选择性必修第四册】 词汇变形及词缀精讲 the sudden noise behind her.(答案：backwards/backward) 综合训练 一、 根据句意及汉语提示完成单词 1.The novel is based on a real (event that happened in the 19th century. 2.The police hired a (侦探)to investigate the theft case, 3.Her active (参与)in the project helped it succeed. 4.The (复杂性)of the problem surprised everyone in the meeting. 5.You need an (入场券)to enter the concert hall.. 二、用所给单词的适当形式填空 1.He has a strong (ambition)to become a famous scientist 2.All new (train)must attend the safety training first. 3.The foreign (correspond)reported the event from the scene. (ultimate),we managed to finish the task on time. 5.She looked (backward)to say goodbye to her friends 三、完成句子（每空一词） 1.这个历史博物馆对12岁以下的孩子免费开放。 to the history museum is free for children under 12. 2.他最终承认了自己的错误。 He his mistake finally. 3.参加课外活动有助于提高你的参与能力。 Taking part in after-school activities helps improve your 4.侦探在犯罪现场发现了一些重要线索。 The found some important clues at the crime scene. 四、语篇填空 4 高中外研版 【选择性必修第四册】 词汇变形及词缀精讲 阅读下面短文，在空白处填入一个适当的单词或用括号内单词的正确形式填空，使短文通顺、连 贯。 A (history)novel often tells stories from the past.Last week,I read a story about a (detect)who solved a(complex)case.His(participate)in the investigation was crucial.He had a strong (ambition)to find the truth.(ultimate),he found the crimi- nal.The story also mentioned a (correspond)who reported the case.When the criminal was caught,he」 (admit)his crime.The (admit)of guilt brought relief to everyone.Some (trainee)from the police station learned a lot from this case. 参考答案 I.根据句意及汉语提示完成单词 6.historical 7.detective 8.participation 9.complexity 10.admission Ⅱ用所给单词的适当形式填空 6.ambition 7.trainees 8.correspondent 9.Ultimately 10.backwards/backward L完成句子 5.Admission 6.admitted to 7.participation 8.detective V.语篇填空 1.historical 2.detective 3.complex 4.participation 5.ambition 6.Ultimately 7.correspondent 8.admitted 9.admission 10.trainees 5