Unit 11 Conflict and Compromise Lesson 2-2025-2026学年高中英语词汇变形及词缀精讲选择性必修第四册（北师大版）

高中选修4北师大版 【词汇精讲】 Unit 11:Conflict and Compromise 词汇精讲 【Unit 11】Conflict and Compromise Lesson 2 词汇变形及词缀精讲 全部单元单词 violently/'varslantli/adv..激烈cigarette/,sIg3'ret/n.香烟 false/f:ls//adj.不正确的，错的： 地，剧烈地：凶猛地，暴力地alcohol /'aelkahpl/n.含酒精饮假的，不真实的 withdraw /w'dro/i.&t.品：酒 invest/m'vest/vi.&t.投资 (使)退出（活动、组织等） fried /frard/adj.油炸的，油煎的conclude /kan'klu:d/t.作出结 firmly/'f3nli/adv.坚定地，坚harm /ha:m/t.伤害；n.损害，论，推断出 决地 危害 beneficial/.benr'fi/adj.有利 ban /baen/t.禁止，取缔；n.禁desirable/d'zarerabl/adj.理想的，有帮助的，有用的 令，禁止 的，值得拥有的：值得做的 tobacco/ta'beka/n.烟叶，烟*obesity/aU'bi:sti/n.肥胖（症） 草 tax/taeks/n.税，税款 词汇变形及词缀精讲 1.violently /'varalantli/adv.激烈地，剧烈地；凶猛地，暴力地 词汇变形 形容词形式：violent(激烈的：暴力的) 名词形式：violence(暴力：猛烈) 构词解析 后缀y:加在形容词后构成副词，表”.地。 同类词：strongly(强烈地)、quickly(快速地) 例句：The wind blew violently,and many trees were blown down. 真题链接（北师大版高中选修4同步练习)：The storm hit the coastal area (violent)last night, causing serious damage.(答案：violently) 2.firmly/'f3mli/adv.坚定地，坚决地 词汇变形 形容词形式：fim(坚定的：牢固的) 动词形式：fim(使牢固：使坚定，较少用) 高中选修4北师大版 【词汇精讲】 Unit 11:Conflict and Compromise 构词解析 后缀-y:加在形容词后构成副词；形容词fm本身可作动词。 例句：She shook her head firmly to show she disagreed. 真题链接（北师大版高中选修4教材例句）：He held firmly to his belief that hard work leads to success. 3.ban /baen/t.禁止，取缔：n.禁令，禁止 词汇变形 过去式/过去分词：banned 现在分词：banning 构词解析 无明显前后缀，属于不规则动词变形。 固定搭配：ban sb.from doing sth.(禁止某人做某事) 例句：The school banned students from using mobile phones in class. 真题链接（北师大版高中选修4同步练习)：Smoking in public places_(ban)in many cities to protect people's health.(答案：is banned) 4.harmful/'ha:nfl/adj.有害的 词汇变形 动词形式：ham(伤害) 名词形式：ham(损害) 反义词：harmless(无害的) 构词解析 后缀fl:加在名词后构成形容词，表”充满..的：具有.性质的：-less表”无..的”（反义后 缀)。 同类词：careful(小心的)、useless(无用的) 例句：Eating too much junk food is harmful to health, 真题链接（北师大版高中选修4教材例句)：We should avoid doing things that are harmful to the environment 5.desirable/dr'zarerabl/adj.理想的，值得拥有的：值得做的 词汇变形 动词形式：desire(渴望：想要) 名词形式：desire(欲望：渴望) 构词解析 后缀-able:加在动词后构成形容词，表”可..的：值得的”。 同类词：comfortable(舒适的)、enjoyable(愉快的) 例句：A good education is desirable for everyone. 真题链接（北师大版高中选修4同步练习）：Itis__(desire)that we finish the project before the deadline.(答案：desirable) 6.taxation/taek'sen/n.征税：税款 词汇变形 2 高中选修4北师大版 【词汇精讲】 Unit 11:Conflict and Compromise 动词形式：tax（对.征税) 名词形式：tax(税，税款) 构词解析 后缀-ation:加在动词后构成名词，表”动作或过程”。 例句：The government uses taxation to fund public services, 真题链接（北师大版高中选修4教材例句)：Taxation policy has a direct influence on people's income. 7.false/f:ls/adj.不正确的，错的；假的，不真实的 词汇变形 副词形式：falsely 名词形式：falseness(虚假：错误) 构词解析 无明显前后缀，副词由后缀y构成。 反义词：true(真实的) 例句：He made a false statement to the police 真题链接（北师大版高中选修4同步练习）：It is illegal to give (false)information to government officials.(答案：false) 8.beneficial/,benr'f/adj.有利的，有帮助的，有用的 词汇变形 名词形式：benefit(益处：好处) 动词形式：benefit(有益于：受益) 构词解析 后缀-ial:加在名词后构成形容词，表”.的。 同类词：official(官方的)、commercial(商业的) 固定搭配：be beneficial to(对.有益) Regular exercise is beneficial to both physical and mental health. 真题链接（北师大版高中选修4教材例句）：Reading widely is beneficial to improving your language skills. 9.conclude /ken'klu:dWt.作出结论，推断出 词汇变形 名词形式：conclusion(结论) 形容词形式：conclusive(决定性的：结论性的) 构词解析 前缀con-:表”共同：一起”；后缀-ion:加在动词后构成名词：-ive构成形容词。 固定搭配：conclude..from.（从..中推断出) 例句：We concluded the meeting with a vote of thanks. 真题链接（北师大版高中选修4同步练习）：After analyzing the data,.the researchers (conclusion) that the new drug was effective.(答案：concluded) l0.investment/m'vestmant//n.投资 3 高中选修4北师大版 【词汇精讲】 Unit 11:Conflict and Compromise 词汇变形 动词形式：invest(投资) 构词解析 后缀-nent:加在动词后构成名词，表”动作或结果”。 同类词：development(发展)、movement(运动) 例句：His investment in the company brought him great profits.. 真题链接（北师大版高中选修4教材例句）：The government encourages foreign investment in high-tech industries 11.withdraw/w'dro:/vi.&t.(使)退出（活动、组织等） 词汇变形 过去式：withdrew 过去分词：withdrawn 现在分词：withdrawing 构词解析 前缀with-:表”向后；相反”；daw(拉)→withdraw(拉回：退出)，属于不规则动词变形。 固定搭配：withdraw from（从..退出) 例句：He decided to withdraw from the competition due to illness, 真题链接（北师大版高中选修4同步练习）：The team__(withdraw)from the tournament after several members were injured.(答案：withdrew) 综合训练 一、 根据句意及汉语提示完成单词 1.The storm caused (猛烈damage to the village. 2.The government has introduced new (征税)policies this year 3.Smoking is_(有害的)to both smokers and non-smokers. 4.We need to make a (based on the data collected. 5.Foreign (plays an important role in economic growth 6.It is (理想的)to finish the project within two months. 二、用所给单词的适当形式填空 1.The wind blew(violent)during the night. 2.She」 (firm)refused to give up her dreams. 4 高中选修4北师大版 【词汇精讲】 Unit 11:Conflict and Compromise 3.The city (ban)single-use plastics to reduce pollution. 4.Regular exercise is (benefit)to your health 5.After the discussion,they(conclude)that the plan was feasible. 6.The company made a large (invest)in renewable energy. 7.Giving (false)evidence in court is against the law. 三、完成句子（每空一词) 1.政府禁止在公共场所吸烟。 The government in public places. 2.这个新政策对环境有益。 The new policy the environment. 3.从这些事实中我们能推断出什么结论？ What can we these facts? 4.他坚定地相信努力工作能带来成功。 He his belief that hard work leads to success. 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 recent study shows that excessive screen time is(harm)to teenagers'eyesight.To solve this problem,some schools have(ban)students from using phones during class.Teachers (firm)enforce this rule to protect students'health. Experts (conclude)that outdoor activities are(beneficial)than screen time for chil- dren's development.They suggest parents encourage kids to invest time in sports and reading. (desirable),children should limit daily screen time to less than one hour. This advice is based on scientific research and has a positive(influence)on many families.By following these guidelines,we can help children grow up healthily. 参考答案 I根据句意及汉语提示完成单词 1.violent 2.taxation 3.harmful 4.conclusion 5.investment 6.desirable 5 高中选修4北师大版 【词汇精讲】 Unit 11:Conflict and Compromise IⅡ.用所给单词的适当形式填空 1.violently 2.firmly 3.has banned 4.beneficial 5.concluded 6.investment 7.false I.完成句子 1.bans smoking 2.is beneficial to 3.conclude from 4.held firmly to V.语篇填空 1.harmful 2.banned 3.firmly 4.have concluded 5.more beneficial 6.Desirably 7. influence 6