Unit 2 Success Topic Talk-2025-2026学年高中英语词汇变形及词缀精讲选择性必修第一册（北师大版）

高中选修1北师大版 【词汇精讲】 Unit 2:Success 词汇精讲 Unit 2:Success Topic Talk 词汇变形及词缀精讲 全部单元单词 persistent/pa'sIstant/adj.坚持的；尽心尽力的 激的 的：执意的 disciplined/disaplid/ad.遵守make sense有意义；解释得通 determined/d't3mnd/adj.坚纪律的 injury/'nd3ari/n.伤，损害 定的，坚决的 enthusiastic/m0ju:zi'astrk/adj.career/ka'Ia/n.职业，事业 optimistic/,DptI'mIstrk/adj.乐热心的，热衷的 cooperation /kao.Dps'reufn/n. 观的，乐观主义的 ambitious/en'bifas/adj.有抱作，协作 astronaut/'estr3n3:t/n.宇航员负的，有雄心的 employee/m'ploi:/n.雇员 committed/ka'mtrd/adj.坚定appreciative/Apri:Tatrv/adj.感 词汇变形及词缀精讲 1.persistent/pa'sIstant/adj.坚持的：执意的 动词形式：persist 名词形式：persistence 构词解析：前缀per-:表“贯穿、始终”；后缀-ent:构成形容词，表“具有…性质的”，-ence为 名词后缀。 同类词：insistent(坚持的)←-insist(坚持)、consistent(一致的)←-consist（由…组成) She is persistent in practicing the piano every day,even when she is busy. 真题链接（北师大版高中选修1同步练习）：His一(persist)efforts finally led to his success in the competition.(答案：persistent) 2.determined/dr't3mnd/adj.坚定的，坚决的 动词形式：determine 名词形式：determination 构词解析：前缀de-:表“完全、加强”；后缀-ed:构成形容词，表“已…的”，-ation为名词后缀。 同类词：excited(兴奋的)←-excite(使兴奋)、surprised(惊讶的)←-surprise（使惊讶) 例句：He was determined to finish the task before the deadline, 真题链接（北师大版高中选修1单元测试)：After failing many times,she still showed great_(deter- mine)to try again.(答案：determination) 高中选修1北师大版 【词汇精讲】 Unit 2:Success 3.optimistic/,Dpti'mistik/adj.乐观的，乐观主义的 名词形式：optimism 反义词：pessimistic(悲观的)←-pessimism(悲观主义) 构词解析：前缀opti-:源自拉丁语“最好的”：后缀-istic:构成形容词，表“…主义的”。 同类词：realistic(现实的)、idealistic(理想主义的) Despite the difficulties,she remained optimistic about the future. 真题链接（北师大版高中选修1阅读填空）：An一(optimism)attitude can help people deal with stress better.(答案：optimistic) 4.astronaut/'estran3:t/n.宇航员 构词解析：前缀astro-:表“星星、太空”（如astronomy天文学）；词根naut:表“航行者”（如 nautical航海的)。 同类词：astronomy(天文学)、astrology(占星术) 例句：uri Gagarin was the first astronaut to travel into space. 真题链接（北师大版高中选修1词汇运用）：The一(astronaut)spent six months living on the Interna- tional Space Station..(答案：astronauts.) 5.committed /ka'mitid/adj.坚定的：尽心尽力的 动词形式：commit 名词形式：commitment 构词解析：前缀com-:表“共同、完全”；后缀-ed:构成形容词，表“忠诚的、投入的”，-ment为 名词后缀。 例句：She is committed to helping children in poor areas get an education. 真题链接（北师大版高中选修1语法填空)：Team members need to show一(commit)to their shared goals.(答案：commitment) 6.disciplined/'disaplind/adj.遵守纪律的 动词形式：discipline 名词形式：discipline(纪律：学科) 构词解析：前缀dis-:表“加强”；词根ciplin:表“教导”；后缀-ed:构成形容词，表“受过训练 的”。 同类词：organized(有条理的)←organize(组织)、educated(受过教育的)←-educate(教育) The students in this class are well-disciplined and always listen carefully. 真题链接（北师大版高中选修1完形填空）：A一(discipline)daily routine can improve your study efficiency..(答案：disciplined) 7.enthusiastic/m.ju:zi'estik/adj.热心的，热衷的 名词形式：enthusiasm 构词解析：前缀en-:表“进入、使”；词根husi:源自希腊语“神的灵感”；后缀-astic:构成形容 词，表“充满…的”。 同类词：fantastic（极好的)、realistic(现实的) He is enthusiastic about playing football and practices every weekend. 高中选修1北师大版 【词汇精讲】 Unit 2:Success 真题链接（北师大版高中选修1单句改错）：She shows great enthusiastic(→enthusiasm)for learning new languages. 8.ambitious/aen'bres/adj.有抱负的，有雄心的 名词形式：ambition 构词解析：前缀ambi-:表“周围、四处”（引申为“追求”）：后缀-ous:构成形容词，表“具有… 性质的”。 同类词：curious（好奇的)←curiosity(好奇心)、dangerous（危险的)←danger(危险) 例句：My brother is ambitious and wants to start his own company someday.. 真题链接（北师大版高中选修1书面表达）：As a young adult,.it's important to have一(ambition)goals and work hard for them.(答案：ambitious) 9.appreciative/'pri:fatrv/adj..感激的 动词形式：appreciate 名词形式：appreciation 构词解析：前缀ap-:表“加强”；词根preci:表“价值”（如precious珍贵的）；后缀-ative:构成 形容词，表“有…倾向的”。 I am appreciative of all the help my friends gave me during the project. 真题链接（北师大版高中选修1阅读理解)：The audience gave a round of applause to show their (appreciate)for the performers..(答案：appreciation) 10.injury/nd39ri/n.伤，损害 动词形式：injure 形容词形式：injured 构词解析：前缀n-:表“使”；词根jr:表“伤害”；后缀y:构成名词，表“状态、结果”，-ed 构成形容词。 He suffered a serious injury in the car accident and had to stay in hospital 真题链接（北师大版高中选修I语法填空）：The一(injure)passengers were sent to the nearest hospital immediately..(答案：injured) l1.career /ka'rIa/n.职业，事业 构词解析：词根caT:源自拉丁语“道路”，引申为“人生道路”即“职业”。 同类词：careerist(野心家)、career-oriented(career-.oriented) 例句：She has had a successful career as a doctor for over20 years. 真题链接（北师大版高中选修1七选五）：Choosing a suitable一(career)requires considering your interests and strengths.(答案：career) l2.cooperation /kau,Dp3TeIn/n.合作，协作 动词形式：cooperate 形容词形式：cooperative 构词解析：前缀co-:表“共同”；词根oper:表“工作”（如operate操作）；后缀-ation:构成名词， 表“动作或过程”。 3 高中选修1北师大版 【词汇精讲】 Unit 2:Success The project's success depended on the close cooperation between the two teams. 真题链接（北师大版高中选修1单元测试）：We need to一(cooperation)with each other to solve this problem efficiently..(答案：cooperate) l3.employee/m'plori:/n.雇员 动词形式：employ 名词形式：employment(就业)：反义词：employer(雇主) 构词解析：前缀em-:表“使”；词根ploy:表“使用”；后缀-ee:构成名词，表“动作的承受者”(-er 表“执行者”)。 同类词：trainee(受训者)、interviewee(被面试者) The company has over 500 employees working in different departments. 真题链接（北师大版高中选修1阅读理解）：The new policy will benefit both employers and一(employ), (答案：employees) 14.make sense有意义；解释得通 同义短语：be meaningful 构词解析：sense为名词“意义、道理”，make sense为固定搭配，字面意为“制造意义”即“讲得 通”。 例句：Your explanation doesn't make sense-can you clarify it again? 真题链接（北师大版高中选修1完形填空)：It doesn't make一(sense)to buy expensive clothes if you don't wear them often.(答案：sense) 综合训练 一、 根据句意及汉语提示完成单词 6.The astronaut needs to have strong_(意志力)to work in space. 7.Her_(乐观主义)helped her get through the difficult times. 8.The two countries signed an agreement on一（合作）in science and technology. 9.He showed great()to overcome all the challenges 10.The company provides good training for new_(). 二、用所给单词的适当形式填空 6.She is_(determine)to achieve her goal no matter how hard it is. 7.The team's success was due to their_(cooperate)and mutual trust. 8.His_(persist)efforts finally paid off when he won the award. 高中选修1北师大版 【词汇精讲】 Unit 2:Success 9.We should be(appreciate)of the help others give us. 10.An_(ambition)person is always willing to take on new tasks. 三、完成句子（每空一词) 5.只有通过团队合作，我们才能按时完成任务。 We can finish the task on time only through team_ 6.尽管遇到很多困难，他依然对未来保持乐观。 Despite many difficulties,he remainsabout the future. 7.她致力于帮助那些需要帮助的人。 She is-to helping people in need. 8.他的解释讲不通，我们都很困惑。 His explanation doesn't_,and we are all confused. 四、语篇填空（选自北师大版高中选修1同步练习） Yuan Longping was a-(commit)scientist.His-(ambitious)was to develop hybrid rice to solve food problems.He faced many failures but showed great_(persist).With the(cooperate)of his team,he succeeded.Farmers were_(appreciate)of his contributions.His story teaches us that (determine)and hard work lead to success. 参考答案 I.根据句意及汉语提示完成单词 6.willpower 7.optimism 8.cooperation 9.determination 10.employees Ⅱ.用所给单词的适当形式填空 6.determined 7.cooperation 8.persistent 9.appreciative 10.ambitious II.完成句子 5.cooperation 6.optimistic 7.committed 8.make;sense V.语篇填空 1.committed 2.ambition 3.persistence 4.cooperation 5.appreciative 6.determina- tion