Unit 1 Festivals and Customs-Reading Actively-2025-2026学年高中英语词汇变形及词缀精讲必修第三册（重庆大学版）

高中英语重庆大学版 【必修第三册】 词汇变形及词缀精讲 必修第三册 【Unit 1】Festivals and Customs-Reading Acively 词汇变形及词缀精讲 全部单元单词 think/0四kv.思考：认为：想 indicate'ndikert.表明：指示；数v.做标记：打分；表明 throughout/u:'at/prep.遍及；象征 cattle/'ketl/m.牛：家畜 自始至终adv.到处；始终 lantern/'aentan/m.灯笼；提灯 farm /fa:m/m.农场；农庄v.务 gather/geda).聚集；收集；riddle/rid/n.谜语；谜一般的农：耕种 召集 人或事V.解谜：使困惑 maintain /mem'ten/v.维持：保 turkey/'t3kin.火鸡；火鸡肉 chat/tfaet/w./n.聊天；闲谈 持：维修：坚持 observe/b'z3vw.观察：观测；significant/sIg'nifikent/adj.重要defer/d'f3:)/w.推迟；延期：服 遵守 的：显著的：有意义的 从 prior/'praa)/adj.先前的；优crop /krop/n.庄稼：作物：收成sufficient/so'fnt/adj.足够的： 先的adv.在前；居先 V.收割：种植 充足的：充分的 pray /prer/v.祈祷：祷告；祈求tasty/'tersti/adj.美味的：可口feature/fi:tar)m.特征；特色： collection /ka'1ek.fn/n.收集；收的：好吃的 面貌V.以…为特色；特写 藏品：募捐 taste/terst/v.品尝；尝起来；体newspaper'nju:zpeipa(r)/n.报 charity/'tfaerati/n.慈善；慈善机验n.味道；品味；味觉 纸：报 构；施舍 previous/'pri:vias/adj..以前的； lunar/'luna/adj.月球的：阴先前的：过早的 历的：银的 mark /ma:k/n.标记：记号：分 词汇变形及词缀精讲 1.observe/b'z3v~.观察；观测；遵守 词汇变形 名词形式：observation(观察：观察力) 形容词形式：observant(善于观察的) 构词解析 前缀ob-:表“朝向、对着”：后缀-ation:构成名词，表“动作、过程或结果”：-ant:构成形容词， 表“具有…性质的”。 同类词：celebration(庆祝)←-celebrate(庆祝)、important(重要的)←-importance(重要性) 高中英语重庆大学版 【必修第三册】 词汇变形及词缀精讲 例句：We should observe the changes of the stars in the sky at night. 真题链接（重庆大学版高中必修第三册同步练习）：The scientist spent years making(observe)) in the rainforest.(答案：observations) 2.collection /ka'lekfn/n.收集：收藏品：募捐 词汇变形 动词形式：collect(收集；募捐) 形容词形式：collective(集体的：共同的) 构词解析 前缀col-(com-的变体)：表“共同、一起”：后缀-ion:构成名词，表“动作或结果”：-ive:构成 形容词，表“有…性质的”。 同类词：instruction（指示)←-instruct(指示)、active(积极的)←activity(活动) Her collection of stamps includes many rare ones from different countries 真题链接（重庆大学版高中必修第三册教材例句）：We will have a collection for the poor children in the village next week 3.charity/'tfaerati/n.慈善；慈善机构：施舍 词汇变形 形容词形式：charitable(慈善的：仁慈的) 构词解析 后缀ity:构成抽象名词，表“性质、状态”；-able:构成形容词，表“具有…能力的；值得… 的”。 同类词：possibility(可能性)←一possible(可能的)、comfortable（舒适的)←-comfort（舒适) 例句：The charity provides food and clothes for homeless people. 真题链接（重庆大学版高中必修第三册同步练习）：It's_(charity)of you to donate so much money to the hospital..(答案：charitable) 4.indicate/'ndikert/v.表明；指示；象征 词汇变形 名词形式：indication(指示；迹象) 形容词形式：indicative(指示的：象征的) 构词解析 前缀in-:表“向内、进入”；后缀-ate:构成动词；-ion:构成名词：-ive:构成形容词。 同类词：communicate（交流)→communication（交流)、active(积极的)←-act(行动) 例句：The red light indicates that we must stop.. 真题链接（重庆大学版高中必修第三册同步练习）：There are some (indicate)that the weather will get better tomorrow.(答案：indications) 5.significant/sIg'nifikant/adj.重要的：显著的；有意义的 词汇变形 名词形式：significance(重要性；意义) 副词形式：significantly(显著地；重要地) 高中英语重庆大学版 【必修第三册】 词汇变形及词缀精讲 构词解析 前缀sign-:表“标记、信号”；后缀-ant:构成形容词；-ance:构成名词；y:构成副词。 同类词：important(重要的)→importance（重要性)、distant(遥远的)一→distance(距离) 例句：This discovery is significant for the development of science. 真题链接（重庆大学版高中必修第三册教材例句）：The new policy has significantly improved people's living conditions. 6.maintain /mem'tem/~.维持：保持：维修；坚持 词汇变形 名词形式：maintenance(维护；保养；维持) 构词解析 前缀main-（来自拉丁语“manus”,表“手”)：表“主要的”；后缀-tain:构成动词，表“保持、支 撑”；-ance:构成名词。 同类词：contain(包含)→container(容器)、obtain(获得)→obtainment(获得) 例句：We need to maintain a good relationship with our neighbors 真题链接（重庆大学版高中必修第三册同步练习)：The (maintain)of the old building costs a lot of money every year.(答案：maintenance) 7.sufficient/sa'fint/adj.足够的；充足的：充分的 词汇变形 名词形式：sufficiency(充足；足量) 副词形式：sufficiently(足够地；充分地) 构词解析 前缀suf.(sub-的变体)：表“在…下面：充分”；后缀-ient:构成形容词；-ency:构成名词；y: 构成副词。 同类词：efficient(高效的)→efficiency(效率)、patient(耐心的)→patience(耐心) 例句：We have sufficient time to finish the work before the deadline. 真题链接（重庆大学版高中必修第三册同步练习)：Make sure you have (sufficient)prepared for the exam.（答案：sufficiently) 8.feature/'fi:tam.特征；特色：面貌v.以…为特色；特写 词汇变形 形容词形式：featured(特定的：被作为特色的) 构词解析 后缀-re:构成名词，表“行为、结果或状态”；-d:构成形容词，表“具有…特征的”。 同类词：nixture(混合物)←-mix(混合)、adventure(冒险)→adventurous(爱冒险的) 例句：The main feature of this phone is its long battery life. 真题链接（重庆大学版高中必修第三册教材例句)：This magazine features stories about famous sci- entists. 9.previous/'pri:vias/adj.以前的；先前的：过早的 词汇变形 3 高中英语重庆大学版 【必修第三册】 词汇变形及词缀精讲 副词形式：previously(先前地；以前地) 构词解析 前缀pre-:表“在…之前”；后缀-ous:构成形容词；y:构成副词。 同类词：prehistory(史前)←-history(历史)、serious(严肃的)→seriously(严肃地) 例句：I have never met him in previous years. 真题链接（重庆大学版高中必修第三册同步练习)：Se (previous)worked as a teacher before becoming a writer.(答案：previously) l0.tasy/'tersti/adj.美味的；可口的：好吃的 词汇变形 名词形式：taste(味道；品味；味觉) 副词形式：tastily(美味地；可口地) 构词解析 后缀-y:加在名词后，构成形容词，表“充满…的：具有…性质的”；y:构成副词。 同类词：cloudy(多云的)←-cloud(云)、angy(生气的)→angrily(生气地) 例句：My mother cooked a tasty meal for us yesterday 真题链接（重庆大学版高中必修第三册同步练习)：The food in this restaurant is__(tasty)than that in the other one.(答案：tastier) l1.prior/'praa)/adj.先前的：优先的adv.在前；居先 词汇变形 名词形式：priority(优先事项；优先权) 构词解析 前缀pri-:表“首要的、优先的”后缀-or:构成名词，表“人或物”。 同类词：inferior(较低的)一inferiority(劣势)、superior(较高的)→superiority(优势) 例句：You need to finish the prior task before starting a new one.. 真题链接（重庆大学版高中必修第三册同步练习)：Safety should be our first_(prior)when driving.(答案：priority) l2.newspaper/nju:zpeipa(t)/h.报纸：报 词汇变形 拆分解析：news(新闻)+paper(纸)一报纸 构词解析 复合词：由“news”和“papr”组合而成，表“刊登新闻的纸张”。 同类词：notebook(笔记本)←note(笔记)+book(书)classroom(教室)←-class(班级)+room (房间) 例句：I read the newspaper every morning to know about current events.. 真题链接（重庆大学版高中必修第三册教材例句）：He found a job as a reporter in a local newspaper. 13.riddle/'rIdl/h.谜语：谜一般的人或事v.解谜；使困惑 词汇变形 形容词形式：riddling(谜一般的：令人困惑的) 高中英语重庆大学版 【必修第三册】 词汇变形及词缀精讲 构词解析 后缀-ig:加在动词后，构成形容词，表“令人…的”。 同类词：puzzling(令人困惑的)←-puzzle(使困惑)、sur 综合训练 一、 根据句意及汉语提示完成单词 1.The (of animal behavior helps scientists understand their habits better. 2.We are planning a (收集)of old books for the village library. 3.The local (慈善机构provides free meals for the elderly every day. 4.There are clear (迹象)that spring is coming earlier this year. 5.The (重要性)of environmental protection cannot be overstated.. 二、用所给单词的适当形式填空 1.She is an (observe)girl and notices even small changes around her. 2.The team's (collect)effort led to the success of the project. 3.It was (charity)of him to spend his weekends helping homeless people. 4.The data (indicate)that global temperatures are rising slowly. 5.The new technology has( (significant)reduced production costs. 6.Regular (maintain)is necessary to keep the machine running smoothly. 7.Have you (sufficient)understood the instructions before starting? 三、完成句子（每空一词） 1.这座城市的主要特色之一是它古老的建筑。 One of the main of this city its old buildings. 2.他先前的工作经验使他更容易适应新岗位。 His work experience made it easier for him to adapt to the new position. 3.这家餐厅以美味的海鲜为特色。 This restaurant seafood. J 高中英语重庆大学版 【必修第三册】 词汇变形及词缀精讲 4.安全应该是我们开车时的首要任务。 Safety should be our first when driving 四、语篇填空 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 group of scientists spent years making(observe)in the rainforest.They (collect) samples of plants and recorded animal behavior.Their work was supported by a(charity)or- ganization.The data they gathered(indicate)some(significant)changes in the ecosys- tem.To (maintain)the balance of nature,they suggested taking immediate action.They also emphasized that (sufficient)funding was needed for further research.The local people,who were (previous)unaware of the situation,began to join in the protection efforts.A (feature)story about their work was published in the local (newspaper)last week. 参考答案 I.根据句意及汉语提示完成单词 6.observation 7.collection 8.charity 9.indications 10.significance II.用所给单词的适当形式填空 6.observant 7.collective 8.charitable 9.indicates 10.significantly 11.maintenance 12.sufficiently II.完成句子 5.features,is 6.previous 7.features tasty 8.priority V.语篇填空 1.observations 2.collected 3.charitable 4.indicated 5.significant 6.maintain sufficient 8.previously 9.featured 10.newspaper 6