Unit 5 Education Lesson3-2025-2026学年高中英语词汇变形及词缀精讲选择性必修第二册（北师大版）

高中选修2北师大版 【词汇精讲】 Unit 5:Education Lesson 3 【Unit5】Education Lesson3 词汇变形及词缀精讲 全部单元单词 obvious/'pbvias/.adj.显然的，明 BCE/bi:si:'i:/(before Common owe /au/t.有…是由于；把 显的：易理解的 Era)公元前 …归功于 analysis/a'naelasIs/n.分析 approve/月'pu:v/t.赞成：赞许；shadow/'jedu/n.阴影 rank /raenk/n.等级 批准 conventional /kan'venfanl/adj. royal /'r/adj.皇家的：王室urge3:d3/vt.强烈要求；敦促 守的：传统的 的 prison/prizn/n.监狱 kingdom/'kdam/n.王国 inefficient/,Inr'fi∫ant/adj.效率abandon/'band/t.放弃：抛civilisation/,srvalar'zeun/n.文 低的 弃 多 worthy/w3:i/adj.有价值的：assumption/A'smpn/n.假定，ital/'vatl/adj.极其重要的，必 值得尊敬的 假设 不可少的 church3tn.教会：教堂 respected/rI'spektid/adj.受尊敬beneficial/,benr'fi/adj.有利 universe/'ju:nrv3s/n.宇宙 的，受敬重的 的，有帮助的 primitive/'primstrv//adj.原始的 wisdom/'wIzdam/n.智慧 mankind /maen'kand/n.人类 词汇变形及词缀精讲 1.obvious/'pbvias/adj.显然的，明显的；易理解的 词汇变形 副词形式：obviously 名词形式：obviousness(抽象名词，表“明显性”) 构词解析 前缀ob-:表“加强”；后缀-ouS:加在名词后构成形容词，表“具有…性质的”。 同类词：dangerous(危险的)、famous(著名的) 例句：It is obvious that she has made great progress in her studies. 真题链接（北师大版高中选修2同步练习）：_(obviously),the new policy has helped improve people' s living conditions..(答案：Obviously) 2.analysis /a'naelasIs/n.分析 词汇变形 动词形式：analyze(美式)/analyse(英式) 形容词形式：analytical(分析的) 构词解析 高中选修2北师大版 【词汇精讲】 Unit 5:Education Lesson 3 前缀ana-:表“向上、完全”；后缀-sis:构成名词，表“动作、过程”：yze/-yse构成动词；-ical构 成形容词。 例句：The analysis of the data shows a clear trend in consumer behavior. 真题链接（北师大版高中选修2教材例句）：We need to analyze the problem carefully before making a decision. 3.royal/roal/adj.皇家的：王室的 词汇变形 名词形式：oyalty(王权：皇室成员) 副词形式：royally 构词解析 后缀-l:加在名词后构成形容词，表“…的”；y构成抽象名词：-y构成副词。 同类词：national(国家的)←-nation(国家)、cultural(文化的)←-culture(文化) 例句：The royal family attended the opening ceremony of the new museum. 真题链接（北师大版高中选修2同步练习）：The_oyalty)wedding was broadcast live around the world.(答案：royal) 4.inefficient/,Inr'fent/adj.效率低的 词汇变形 反义词：efficient(高效的) 名词形式：inefficiency(无效率) 构词解析 前缀in-:表“否定”；后缀-ent:构成形容词；-ency构成名词。 例句：The old machine was inefficient and consumed too much energy. 真题链接（北师大版高中选修2同步练习）：Compared with the new method,the traditional one is _(efficient).(答案：inefficient) 5.worthy/'w3:i/adj.有价值的：值得尊敬的 词汇变形 动词形式：woth(值得，后接名词/动名词) 固定搭配：be worthy of(值得…)：be worth doing(值得做) 构词解析 后缀y:加在名词后构成形容词，表“具有…性质的”。 例句：Her efforts to help the poor are worthy of praise. 真题链接（北师大版高中选修2教材例句）：This book is worth reading for its insights into history. 6.approve/A'pruv/t.赞成：赞许：批准 词汇变形 名词形式：approval(批准；赞成) 形容词形式：approving(赞成的)：disapproving(反对的) 构词解析 前缀ap-:表“加强”；后缀-al:构成名词；-ing构成形容词。 2 高中选修2北师大版 【词汇精讲】 Unit 5:Education Lesson 3 固定搭配：approve of(赞成) 例句：The manager approved our plan after careful consideration. 真题链接（北师大版高中选修2同步练习）：The project will start after getting the government's _(approve).(答案：approval) 7.abandon/A'baendan/vt.放弃；抛弃 词汇变形 名词形式：abandonment(抛弃；放弃) 形容词形式：abandoned(被抛弃的) 构词解析 前缀a-:表“加强”；后缀-ment:构成名词；-ed构成形容词（表“被…的”)。 例句：They had to abandon the trip due to bad weather 真题链接（北师大版高中选修2同步练习）：The_(abandon)house has been empty for many years.. (答案：abandoned) 8.assumption/A'sAmpfn/n.假定，假设 词汇变形 动词形式：assume(假定；承担) 形容词形式：assuming(假定的) 构词解析 前缀as-:表“加强”；后缀tion:构成名词，表“动作、过程”；-ing构成形容词。 例句：We made an assumption that the meeting would be postponed. 真题链接（北师大版高中选修2教材例句)：It is wrong to assume that all birds can fly. 9.respected /r'spektid/adj.受尊敬的，受敬重的 词汇变形 动词形式：respect(尊敬) 名词形式：respect(尊重)；respectability(可敬；体面) 构词解析 前缀re-:表“回、再”；后缀-ed:构成形容词（表“被…的”）：-ability构成名词。 例句：The respected professor has published many influential papers.. 真题链接（北师大版高中选修2同步练习)：We should._(respect)the elderly and care for them.(答 案：respect) l0.conventional /kan'venfanl/adj.守的：传统的 词汇变形 名词形式：convention(习俗：惯例) 副词形式：conventionally 构词解析 前缀con-:表“共同”；后缀-al:构成形容词；-y构成副词。 同类词：national(国家的)←-nation(国家)、cultural(文化的)←-culture（文化) Conventional methods of farming are being replaced by modern technology. 3 高中选修2北师大版 【词汇精讲】 Unit 5:Education Lesson 3 真题链接（北师大版高中选修2同步练习）：_(convention)wisdom says that early morning exercise is good for health.(答案：Conventional) 11.beneficial/benr'f/adj.有利的，有帮助的 词汇变形 名词形式：benefit(益处：利益) 动词形式：benefit(有益于) 构词解析 前缀bene-:表“好”；后缀-ial:构成形容词；fit构成名词/动词。 固定搭配：be beneficial to(对…有益) 例句：Regular exercise is beneficial to both physical and mental health. 真题链接（北师大版高中选修2同步练习）：Reading widely can_(beneficial))us in many ways.(答 案：benefit) 12.civilisation/,sIvalar'zerf/n.文明 词汇变形 动词形式：civilize(使文明：教化) 形容词形式：civilized(文明的) 构词解析 前缀civil-:表“公民的、文明的”；后缀-ation:构成名词；-ize构成动词：-ed构成形容词。 例句：Ancient Egypt was one of the earliest civilisations in the world, 真题链接（北师大版高中选修2教材例句）：It is important to civilize people through education and culture. 综合训练 一、 根据句意及汉语提示完成单词 6.The report includes a detailed()of the current economic situation. 7.The_(皇室的)family will visit our city next month 8.Using outdated equipment leads to_(无效率)in production. 9.Itisa_(传统的)custom to eat dumplings during Spring Festival. l0.Early education has a_(有益的)effect on children's development. 二、用所给单词的适当形式填空 1.The manager expressed his_(approve)of our new marketing plan. 2.Don't make_(assume)without checking the facts first. 4 高中选修2北师大版 【词汇精讲】 Unit 5:Education Lesson 3 3.The(abandon)factory has been turned into an art center. 4.-(obvious),regular exercise helps maintain physical health 5.The professor is widely(respect)for his contributions to science. 6.We need to _(analysis)the data before drawing a conclusion 7.The new policy has brought great_(beneficial)to local businesses. 8.It's_(convention)to shake hands when meeting someone for the first time. 9.The ancient(civilisation)of Mesopotamia is still studied today. 10.She is a(royalty)family member but lives a simple life. 三、完成句子（每空一词） 1.这项研究值得进一步探讨。 This research isfurther discussion. 2.他的建议没有得到老师的认可。 His suggestion didn't get the teacher's_ 3.人们普遍认为努力工作会带来成功。 It is widely that hard work leads to success. 4.传统农业方法正在被现代农业技术取代。 -farming methods are being replaced by modern agricultural technology. 5.这个决定对我们未来的发展是有益的。 This decision isour future development. 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。 5 高中选修2北师大版 【词汇精讲】 Unit 5:Education Lesson 3 Reading widely is(benefit)to personal growth.It helps us(analysis)problems from different perspectives.Many people make the(assume)that reading is a waste of time,but this is not true. A-(respect)scholar once said,"Books are the ladder of human progress." In-(convention)education,teachers often encourage students to read classic works.These books not only provide knowledge but also teach us moral values.For example,some stories show us the importance of not_(abandon)our dreams. _(obvious),reading can also improve our language skills.By learning new words and sentence structures,we can express ourselves more effectively.So,let's make reading a part of our daily life and enjoy the(wise)from books. 参考答案 I根据句意及汉语提示完成单词 6.analysis 7.royal 8.inefficiency 9.conventional 10.beneficial Ⅱ用所给单词的适当形式填空 1.approval 2.assumptions 3.abandoned 4.Obviously 5.respected 6.analyze/analyse 7.benefits 8.conventional 9.civilisation 10.royal I.完成句子 1.worthy of 2.approval 3.assumed 4.Conventional 5.beneficial to V.语篇填空 1.beneficial 2.analyze/analyse 3.assumption 4.respected 5.conventional 6.abandoning 7.Obviously 8.wisdom 6