Unit 3 Travel B部分-2025-2026学年高中英语词汇变形及词缀精讲必修第一册（沪外版）

高中必修第一册沪外版 【同步精讲】 词汇变形及词缀精讲 同步精讲 【Unit3】Travel 词汇变形及词缀精讲 全部单元单词 relevant/'relavant/adj.紧密相goal/gal/n.目标：目的 solo/'sala/adj.独自的：单独 关的：切题的 teen /tin/n.(13至19岁之间的 analyse/'enalaIz/v.分析 的)青少年，少男，少女 sincerely/sn'SIeli/adv.敬启，谨 process/'pr3Uses/v.处理：加工；amount /e'maunt/.n.数量：数额上 n.进程：过程 factor/'faekt(r)/n.因素；要素 Shannon/'∫enn/香农（人名） overcome/,va'km/V.克服；determine./d't3mn/v.决定：影tourist attraction旅游景点：旅 解决 响 游胜地 obstacle/'pbstakl/n.障碍；阻碍participate /pa:'tsipert/.V.参加；tear.away(from)依依不舍地 practical'praektikl/ad.切实可参与 离开：把…拿走 行的：实际的：真实的 exchange/ks'temd/n.(团体make an effort作出努力 setback/'setbaek/n.挫折：阻碍之间的)交流，互访；互换；交be)relevant to与…相关的 prevent /prI'vent/v.阻止；阻碍流 be)rooted in固定在某地的；根 rooted/iutd/ad.固定在某地finance/'famnaens/n.资金 深蒂固的 的：不移动的 maintain /mem'ten/v.维持：保participate in参加；参与 chart /tfa:t/v.制定计划：n.图持 on board在船上（或飞机上、火 表 alongside /a,lou'saId/prep.与车上) ahead /a'hed/adv.提前；提早 一起：在…旁边 词汇变形及词缀精讲 1.relevant/'relavant/adj.紧密相关的；切题的 词汇变形 名词形式：relevance 构词解析 前缀re-:表“再次：回”；后缀-ant:构成形容词，表“具有…性质的”；去掉-ant加-ance构成 名词relevance(相关性)。 同类词 important(重要的)→importance(重要性) 例句 This article is relevant to our current topic of discussion 高中必修第一册沪外版 【同步精讲】 词汇变形及词缀精讲 真题链接（沪外版高中必修第一册同步练习） The research results are of great (relevant)to environmental protection.（答案：relevance) 2.analyse/'enolaiz/v.分析 词汇变形 名词形式：analysis(复数analyses) 构词解析 前缀ana-:表“向上；完全”；后缀-yse(英式)/-yze(美式)：构成动词，表“分解；分析”；名词 形式将-yse改为-ysis(analysis)。 同类词 paralyse(使瘫痪)→paralysis(瘫痪) 例句 We need to analyse the data carefully before drawing a conclusion. 真题链接（沪外版高中必修第一册单元测试） The (analyse)of the experiment results took us two weeks.(答案：analysis) 3.process/'prauses/v.处理；加工；n.进程；过程 词汇变形 名词形式：processing(处理，动名词) 构词解析 前缀pro-:表“向前；预先”；后缀-cess:表“行走；过程”，作名词时直接使用；作动词时词尾发 音变为pr3'ses/。 同类词 progress(进步，n./W.) 例句 The factory processes raw materials into finished products. 真题链接（沪外版高中必修第一册阅读拓展） The (process)of learning a language requires patience and practice.(process) 4.overcome/,va'km/V.克服：解决 词汇变形 过去式/过去分词：overcame/overcome 构词解析 前缀over-:表“越过：超过”；词根come:表“来”，合意为“越过困难而来”，即“克服”。 同类词 overtake(超过)、overlook(忽视) 例句 She managed to overcome her fear of public speaking 真题链接（沪外版高中必修第一册完形填空） With the help of her friends,she(overcome)many difficulties last year.(overcame) 5.practical/praektikl/adj..切实可行的；实际的 高中必修第一册沪外版 【同步精讲】 词汇变形及词缀精讲 词汇变形 名词形式：practice(实践)；副词形式：practically 构词解析 前缀prac-:表“实践”；后缀-tical::构成形容词，表“与实践相关的”；名词形式去掉-tical加-ice (practice):副词加-ly(practically)。 同类词 theoretical(理论的)→heoy(理论) 例句 This plan is very practical and easy to carry out. 真题链接（沪外版高中必修第一册语法填空） It's (practice)impossible to finish the task in one day.(practically) 6.prevent /prI'vent/v.阻止：阻碍 词汇变形 名词形式：prevention;形容词形式：preventive 构词解析 前缀pre-:表“预先：在…之前”；词根vent:表“来”，合意为“预先来到（阻止）”；名词加-ion (prevention);形容词加-ive(preventive)。 同类词 invent(发明)→invention(发明) 例句 We should take measures to prevent the spread of the disease. 真题链接（沪外版高中必修第一册阅读理解） The main purpose of the campaign is the (prevent)of water pollution.(答案：prevention) 7.determine/d't3mn/v.决定；影响 词汇变形 名词形式：determination:形容词形式：determined 构词解析 前缀de-:表“完全”；词根termin:表“界限”，合意为“划定界限”，即“决定”；名词加-ation (determination);形容词加-ed(determined)。 同类词 terminate（终止)→termination(终止) 例句 Her hard work determined her success in the competition 真题链接（沪外版高中必修第一册写作专项） He showed great (determine)to achieve his goals.(答案：determination) 8.participate /pa:'tisipert/v.参加；参与 词汇变形 名词形式：participation;形容词形式：participatory 构词解析 高中必修第一册沪外版 【同步精讲】 词汇变形及词缀精讲 前缀pati-:表“部分”；词根cip:表“拿取”；后缀-ate:构成动词，合意为“拿取部分（参与其 中)”；名词加-ion(participation)。 同类词 anticipate(预期)→anticipation(预期) 例句 All students are encouraged to participate in the school sports meeting. 真题链接（沪外版高中必修第一册单元测试） Her (participate)in the project was highly praised by the teacher.(participation) 9.finance/'famaens/n.资金：V.为…提供资金 词汇变形 形容词形式：financial;副词形式：financially 构词解析 词根fin:表“结束；界限”，引申为“最终结算”，即“资金”；形容词加ial(financial):副词加 -ly(financially)。 同类词 finance(n.)→financial crisis(金融危机) 例句 The company needs more finance to expand its business. 真题链接（沪外版高中必修第一册阅读理解） The project was delayed due to (finance)problems.(financial) l0.maintain/men'tenm/v.维持：保持 词汇变形 名词形式：maintenance 构词解析 前缀main-:表“主要的”；词根tain:表“持有：保持”；名词形式将-tain改为-tenance(maintenance)。 同类词 contain(包含)→container(容器) 例句 We must maintain a positive attitude towards life. 真题链接（沪外版高中必修第一册同步练习） Regular (maintain)of the machine isnecessary to ensure its normal operation.(maintenance) l1.sincere/sn'sIa)/ad.真诚的 词汇变形 副词形式：sincerely;名词形式：sincerity 构词解析 前缀sin-:表“单一；纯粹”；词根cere:表“确定；认真”；形容词为sincere,副词加-y(sincerely), 名词加-ity(sincerity)。 同类词 sincere→sincerity(真诚)、pure→purity(纯洁) 高中必修第一册沪外版 【同步精讲】 词汇变形及词缀精讲 例句 He gave a sincere apology for his mistake. 真题链接（沪外版高中必修第一册写作模板） I am. (sincere)grateful for your help.(答案：sincerely) 12.obstacle/'obst/n.障碍：阻碍 词汇变形 形容词形式：obstinate(固执的) 构词解析 前缀ob-:表“相反；阻碍”；词根stacle:表“站立”，合意为“站立的障碍”；同类词：obstruct(阻 碍)→obstruction(障碍物) 例句 Lack of confidence is the biggest obstacle to her success. 真题链接（沪外版高中必修第一册完形填空） We should try our best to remove all (obstacle)in our path.(obstacles) l3.prevent /prI'vent/v.阻止；阻碍 词汇变形 副词形式：preventively 构词解析 由形容词preventive加副词后缀-y构成，表“预防性地”。 例句 Measures should be taken preventively to avoid accidents. 真题链接（沪外版高中必修第一册语法填空） The medicine is used(preventive)to reduce the risk of infection.(preventively) 14.practical/praektrkl/adj.切实可行的 词汇变形 反义词：impractical(不切实际的) 构词解析 前缀im:表“否定”，加在practical前构成反义词。 同类词 possible→impossible、patient→impatient 例句 His plan was considered impractical because it required too much time and money. 5 高中必修第一册沪外版 【同步精讲】 词汇变形及词缀精讲 综合训练 一、 根据句意及汉语提示完成单词 1.The research has great (相关性)to our daily life. 2.We need to do a careful (分析)of the problem before solving it. 3.The (过程)of making paper has a long history in China. 4.Her (真诚)made everyone in the room moved. 5.Regular (is important to keep the computer running well. 二、用所给单词的适当形式填空 1.The (finance)report shows that the company made a profit this year. 2.She (overcome)her shyness and became a confident speaker. 3.His (determine)to succeed never changed,even when he failed 4.The teacher praised her for her active (participate)in class discussions 5.It's (practice)to finish the project within three days with limited resources. 6.The government has taken measures for the (prevent)of air pollution 7.He spoke (sincere)about his feelings for his family. 三、完成句子（每空一词) 1.这个新政策与环境保护密切相关。 The new policy is environmental protection. 2.我们必须克服学习中遇到的困难。 We must the difficulties we meet in our study. 3.她的成功取决于她的努力和决心。 Her success was her hard work and determination. 4.定期维护设备可以延长其使用寿命。 Regular of the equipment can its service life. 四、语篇填空 6 高中必修第一册沪外版 【同步精讲】 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。 Learning a language is a long and challenging(process).It requires patience,practice,and (determine).Many students face(obstacle)such as fear of speaking or difficulty in remembering vocabulary.To(overcome)these problems,experts suggest several methods. First,reading aloud every day is (helpful)for improving pronunciation.Second, (par- ticipate)in language exchange activities can build confidence.Finally,maintaining a positive attitude is key-never give up when you feel frustrated.With these steps,anyone can make progress.Re- member, (sincere)effort always pays off. 参考答案 I.根据句意及汉语提示完成单词 1.relevance 2.analysis 3.process 4.sincerity 5.maintenance Ⅱ.用所给单词的适当形式填空 1.financial 2.overcame 3.determination 4.participation 5.impractical 6.prevention 7.sincerely L.完成句子 1.relevant to 2.overcome 3.determined by 4.maintenance;maintain V.语篇填空 1.process 2.determination 3.obstacles 4.overcome 5.helpful 6.participating sincere 7