Unit 2 Bridging Cultures三-2025-2026学年高中英语词汇变形及词缀精讲选择性必修第二册（人教版）

高中选修2人教 【词汇精讲】 Unit 2 Bridging Cultures 词汇精讲 Unit 2 Bridging Cultures 词汇变形及词缀精讲 全部单元单词 tremendous /tr3'mendas/adj.巨绝 initiative'nIfatrv/n.倡议；新 大的：极大的 optimistic/,Dptr'mIstik/adj.乐方案 behave /bI'heIv/t.表现vi.&观的 sincerely/sn'SIali/adv.真诚地： t.表现得体：有礼貌 gain/gem/vt.获得；赢得：取诚实地 surroundings /s3'raondnz/n.得：增加n.好处；增加 budget/'bad3t/n.预算 pl.]环境；周围的事物 perspective/p3'spektiv//n.(思考side with短语支持：站在… surrounding /s3'raondr/adj.周间题的)角度；观点 的一边 围的：附近的 competence/'kompitans/n.能logical/'lDd3kl/adj.合乎逻辑 mature /m'tar);-'tjua(r)/adj.力：胜任；本领 的：合情合理的 成熟的 competent/kompitant/adj.有as far as I know短语据我所知 depressed/d'prest/adj.沮丧的：能力的；称职的 as far as I am concerned短语就 意志消沉的 envoy/'envo/n.使者；使节：代我而言；依我看来 depress/dIpres/t.使沮丧；使表 in summary短语总的来说；总 忧愁 cooperate /kau'DpareIt/vi.合作；之 boom/bu:m/vi.&n.迅速发展；协作；配合 generally speaking短语一般来 繁荣 angle/eygl/n.角：角度；立场说 strengthen/'stre)n/vi.&t.加outlook/'aotlok/n.前景：可能outcome/'aotkAm/n.结果；效果 强：增强；巩固 性：观点 deny/d'na/t.否认：否定；拒belt/belt/n.腰带：地带 词汇变形及词缀精讲 1.tremendous/tra'mendas/adj..巨大的；极大的 词汇变形 副词形式：tremendously 构词解析 前缀tre(同rans-,表“超过”)+词根mend(表“数量”)+后缀-ous(表“具有…性质的”)， 合为“超过一般数量的”即“巨大的”。 同类词：dangerous（危险的)、famous(著名的) 例句：The project has achieved tremendous success since its launch, 1 高中选修2人教 【词汇精讲】 Unit 2 Bridging Cultures 真题链接（人教版高中选修2同步练习)：The new policy will have a (tremendous)impact on the local economy.(答案：tremendous) 2.behave /bI'hev/t.表现vi.&t.表现得体；有礼貌 词汇变形 名词形式：behavior/behaviour 形容词形式：well-behaved(表现好的)、bady-behaved(表现差的) 构词解析 前缀be-（使…)+词根have(同habit,.表“习惯”)，即“使形成习惯”引申为“表现”。 例句：Students are expected to behave politely in the library. 真题链接（人教版高中选修2教材例句)：Her behavior in class has improved a lot recently. 3.surroundings/s3'raundr)z/n.pl.]环境；周围的事物 词汇变形 动词形式：surround 形容词形式：surrounding（周围的) 构词解析 前缀sur-（表“在…周围”)+词根round(表“环绕”)+后缀-ing（动名词形式)，复数surroundings 特指“周围环境”。 We should protect the natural surroundings for future generations. 真题链接（人教版高中选修2同步练习)：The small village is_(surround)by green mountains and clear rivers.(答案：surrounded) 4.mature /m3'tar);-'tjua)/adj.成熟的 词汇变形 动词形式：mature(成熟：使成熟) 名词形式：maturity 构词解析 词根matur(表“成熟”)+后缀-e(动词/形容词后缀)，形容词意为“成熟的”，动词意为“变得成 熟”。 例句：A mature person should take responsibility for their actions. 真题链接（人教版高中选修2教材例句)：It takes years for a tree to reach maturity. 5.depressed/dr'prest/adj.沮丧的；意志消沉的 词汇变形 动词形式：depress 名词形式：depression 构词解析 前缀de-(表“向下”)+词根press(表“按压”)+后缀-ed(表“被…的”)，合为“被向下按压 的”即“沮丧的”。 例句：She felt depressed after failing the exam 真题链接（人教版高中选修2同步练习)：The bad news (depress)him for weeks.(答案： 2 高中选修2人教 【词汇精讲】 Unit 2 Bridging Cultures depressed) 6.strengthen/'strenen/vi.&t.加强：增强：巩固 词汇变形 名词形式：strength 形容词形式：strong 构词解析 strong(形容词，强壮的)→strength(名词，力量)+后缀-en（使…化)，即“使有力量”引申 为“加强”。 同类词：weaken(削弱)、shorten(缩短) 例句：Regular exercise can strengthen your body and mind,. 真题链接（人教版高中选修2教材例句）：The government plans to strengthen laws to protect wild animals. 7.deny/d'na/t.否认；否定；拒绝 词汇变形 名词形式：denial 构词解析 前缀de-(表“相反”)+词根ny(同neg,表“否定”)，即“否定”。 固定搭配：deny doing sth.(否认做某事) 例句：He denied stealing the money from the office.. 真题链接（人教版高中选修2同步练习）：Her(deny)of the accusation surprised everyone.(答 案：denial) 8.optimistic/,ppti'mistik/adj.乐观的 词汇变形 名词形式：optimism 反义词：pessimistic(悲观的) 构词解析 词根optim(表“最好”)+后缀-istic(表“…主义的”)，即“抱最好态度的”即“乐观的”。 Despite the difficulties,she remains optimistic about the future. 真题链接（人教版高中选修2同步练习)：His(optimistic)helped the team get through the tough time.(答案：optimism） 9.competence/'kpmpitans/n.能力；胜任；本领 词汇变形 形容词形式：competent 构词解析 词根compet(表“竞争”)+后缀-ence(名词后缀，表“性质”)，即“竞争中表现出的能力”。 例句：The job requires a high level of professional competence 真题链接（人教版高中选修2教材例句)：She is competent enough to handle the project alone,. 3 高中选修2人教 【词汇精讲】 Unit 2 Bridging Cultures l0.cooperate /kau'Dpareit/vi.合作；协作；配合 词汇变形 名词形式：cooperation 形容词形式：cooperative 构词解析 前缀co-（表“共同”)+词根opr(表“工作”)+后缀-ate(动词后缀)，即“共同工作”即“合作”。 例句：We need to cooperate closely to complete the task on time. 真题链接（人教版高中选修2同步练习)：International(cooperate)is essential to solve global problems..(答案：cooperation) 11.logical/'Ipd3Ikl/adj.合乎逻辑的：合情合理的 词汇变形 名词形式：logic 副词形式：logically 构词解析 词根l0g（表“理性、言语”)+后缀ical(表“…的”)，即“符合理性的”即“合乎逻辑的”。 例句：His argument is clear and logical,so everyone agreed with him. 真题链接（人教版高中选修2同步练习)：You should think (logical)before making a decision. (答案：logically) 12.outcome/atkm/n.结果；效果 词汇变形 动词形式：come out(出现：结果是) 构词解析 前缀out(表“向外”)+词根come(来)，即“出来的结果”。 同类词：output(输出)、outlook(前景) 例句：The outcome of the experiment was better than expected, 真题链接（人教版高中选修2教材例句)：We are waiting for the final outcome of the competition, l3.initiative/'nIfstrv/n.倡议：新方案 词汇变形 形容词形式：initial(最初的) 构词解析 前缀in-(表“进入”)+词根iti(同start,表“开始”)+后缀-ative（名词后缀，表“行为”)，即 “开始的行为”引申为“倡议”。 例句：The government launched an initiative to reduce carbon emissions.. 真题链接（人教版高中选修2同步练习)：Her(initial)idea was to organize a charity event.(答 案：initial) 14.budget/'bad3t/n.预算 词汇变形 动词形式：budget(编制预算) 4 高中选修2人教 【词汇精讲】 Unit 2 Bridging Cultures 构词解析 词根bug(表“袋子”)+后缀-t(小词后缀)，原指“小袋子里的钱”引申为“预算”。 例句：The company has set a tight budget for this project.. 真题链接（人教版高中选修2同步练习)：We need to (budget)carefully to avoid overspending. (答案：budget) 综合训练 一、根据句意及汉语提示完成单词 1.The project requires a high level of professional (能力) 2.We should protect the natural (环境)around us. 3.His_ (否认)of the mistake made the situation worse. 4.The final (of the competition will be announced tomorrow. 5.The government's new (倡议)aims to improve public health. 二、用所给单词的适当形式填空 1.Regular exercise can (strength)your immune system 2.She felt (depress)after failing the driving test. 3.The (cooperate)between the two companies led to great success. 4.You should think (logical)before making an important decision 5.His (optimistic)helped him overcome many difficulties 三、完成句子（每空一词) 1.孩子们应该学会在公共场合举止得体。 Children should learn to in public. 2.这座城市被美丽的山脉和河流环绕。 The city beautiful mountains and rivers 3.为了实现目标，我们需要共同努力。 We need to to achieve our goals. 4.他否认偷了商店里的钱。 He the money from the shop. 5 高中选修2人教 【词汇精讲】 Unit 2 Bridging Cultures 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 started a project to study the (surround)of a small village.They needed to (cooperate)with local people to collect data.At first,some villagers were (depress) about the project,but the scientists'(optimistic)encouraged them. To(strength)their relationship,the scientists heldmeetings to explain the project's importance. They also taught the villagers how to (behave)during the research.The (mature)way they handled problems won everyone's trust. After months of hard work,the(outcome)was better than expected.The research showed the village's natural environment was in good condition.The scientists'(competence)and the villagers'support made the project a success.This experience taught everyone that (deny) difficulties only makes them worse-working together is the key. 参考答案 I.根据句意及汉语提示完成单词 6.competence 7.surroundings 8.denial 9.outcome 10.initiative Ⅱ.用所给单词的适当形式填空 6.strengthen 7.depressed 8.cooperation 9.logically 10.optimism II.完成句子 5.behave politely 6.is surrounded by 7.cooperate together 8.denied stealing V.语篇填空 1.surroundings 2.cooperate 3.depressed 4.optimism 5.strengthen 6.behave 7.mature 8.outcome 9.competence 10.denying 6