Unit 8 Green Living Lesson 3-2025-2026学年高中英语词汇变形及词缀精讲必修第三册（北师大版）

高中必修3北师大版 【词汇精讲】 Unit 8:Green Living 词汇精讲 Unit 8:Green Living Lesson 3 词汇变形及词缀精讲 全部单元单词 parking/'pakm/n.(车辆等的)resident/'rezIdant/n.居民 plastic/'plaestk/adj.塑料制的 停放 official/a'f/n.官员，高级职honey/hni/n.蜂蜜 therefore/eafo:/adv.因此；由 员：adj.公务的：官方的 butter /'bAta/n.黄油，牛油 此 attitude/'tju:dn.看法：态度yoghurt/"jaogat/n.酸奶 path /pa:θ/n.小径，小道 diagram/'daragraem/n.图解，示container /kan'tena/n.容器 come up with想出，想到 意图 najority/ma'd3 Drati/n.大多数 disappear/,dhs3pIa/vi.消失，不percentage /p3'sentid3/n.百分 air conditioning /'ea kandifanm/ 见 比，百分率 n.空调系统 tr acking/'traekn/n.跟踪 take part(in)参加 sum/sm/t.概括，总结 destination/.destI'neun/n.目的cut back on削减，缩减 to sum up总之 地：终点 *disposable/dh'spauzabl/adj.一indicate/ndikert//t.表明：显示 *pedal/'ped/vi.&vt.骑：n.踏 次性的，用完即丢弃的 板 packaging/'pekd3/n.包装盒 Writing Workshop (瓶、袋)，包装材料 词汇变形及词缀精讲 1.therefore/'ǒefo:/adv.因此：由此 词汇变形 词根形式：there(那里)+fore(前面) 构词解析 合成词：there（那里)+fore(前面)，字面义“在那之前”，引申为“因此”。 同类词：wherefore(为何，=why)、hereby(据此) 例句：He missed the train,therefore he was late for work. 真题链接（北师大版高中必修3同步练习)：It rained heavily,._,the football match was cancelled. (答案：therefore) 2.disappear/,disa'pIa/vi.消失，不见 词汇变形 反义词：appear(出现) 高中必修3北师大版 【词汇精讲】 Unit 8:Green Living 名词形式：disappearance 构词解析 前缀dis-:表“否定、相反”，加在动词appear(出现)前构成反义词。 同类词：disagree(不同意)、dislike(不喜欢) 例句：The sun disappeared behind the clouds. 真题链接（北师大版高中必修3教材例句）：Many traditional customs have disappeared over time. 3.resident/'rezidant/n.居民 词汇变形 动词形式：reside(居住) 副词形式：residentally(居住上) 构词解析 后缀-ent:加在动词reside后构成名词，表“做…的人”。 同类词：student(学生，study→student)、president(总统，preside一president) 例句：The residents of this building are very friendly. 真题链接（北师大版高中必修3同步练习）：Local (resident)have complained about the noise from the construction site.(答案：residents) 4.official/a'fi/n.官员：adj.官方的 词汇变形 名词形式：office(办公室) 副词形式：officially(官方地) 构词解析 后缀ial:加在名词office后构成形容词，表“与…相关的”，名词义为“官员”。 同类词：beneficial(有益的，benefit→beneficial)、financial(金融的，finance→financial) 例句：The official announcement will be made tomorrow. 真题链接（北师大版高中必修3教材例句)：The new policy was officially launched last month. 5.percentage /p3'sentid/n.百分比 词汇变形 词根词：percent(百分之…) 构词解析 后缀-age:加在percent后构成名词，表“抽象概念或集合”。 同类词：advantage(优势，advantageous→advantage)、marriage(婚姻，may→marriage) 例句：Only a small percentage of students passed the exam. 真题链接（北师大版高中必修3同步练习）：What_(percent),of the population lives in cities?(答 案：percentage) 6.majority /me'd3Φrati/n.大多数 词汇变形 反义词：minority(少数) 形容词形式：major(主要的) 2 高中必修3北师大版 【词汇精讲】 Unit 8:Green Living 构词解析 前缀major-(主要的)+后缀-ity(表“性质、状态”)，构成名词“大多数”。 同类词：priority(优先，prior一→priority)、security(安全，secure→security) 例句：The majority of people prefer coffee to tea. 真题链接（北师大版高中必修3同步练习）： (major)of the students in our class are from the countryside.(答案：The majority) 7.indicate/'ndikert/t.表明：显示 词汇变形 名词形式：indication 形容词形式：indicative(暗示的) 构词解析 前缀in-(加强意义)+dic(说，如dictate“口述”)+后缀-ate(构成动词)，表“指出、表明”。 同类词：communicate(交流，communicate→communication)、celebrate(庆祝，celebrate→celebration) 例句：The survey indicates that people are satisfied with the service. 真题链接（北师大版高中必修3教材例句)：Red lights indicate that the road is closed. 8.disposable/d'sp3ozbl/adj.一次性的 词汇变形 动词形式：dispose(处理，安排) 名词形式：disposal(处理) 构词解析 前缀dis-(分离)+pos(放置，如position“位置”)+后缀-able(可…的)，表“可处理的”，引 申为“一次性的”。 同类词：comfortable(舒适的，comfort→comfortable)、reasonable(合理的，reason→reasonable) 例句：We should reduce the use of disposable chopsticks. 真题链接（北师大版高中必修3同步练习）：_(dispose)plastic bags are harmful to the environment, (答案：Disposable) 9.packaging/'pekd3/n.包装材料 词汇变形 动词形式：package(包装) 构词解析 后缀-ing:加在动词package后构成名词，表“动作或结果”。 同类词：teaching(教学)、building(建筑) 例句：The packaging of this product is very attractive.. 真题链接（北师大版高中必修3教材例句）：Too much packaging leads to environmental pollution. l0.container/kan'temna/n.容器 词汇变形 动词形式：contain(包含) 构词解析 高中必修3北师大版 【词汇精讲】 Unit 8:Green Living 后缀-er:加在动词contain后构成名词，表“容器或工具”。 同类词：teacher（教师)、cooker(炊具) 例句：Please put the milk in a plastic container.. 真题链接（北师大版高中必修3同步练习）：The lab stores chemicals in glass(contain).(答案： containers) 11.sum/sAm/t.总结；n.总和 词汇变形 固定搭配：sum up（总结) 名词复数：sums(sums of money款项) 构词解析 词根sum（总，如summary“总结”)，动词义由“总和”引申为“概括”。 例句：To sum up,we need to work harder to achieve our goals. 真题链接（北师大版高中必修3教材例句)：The teacher asked us to sum up the main ideas of the text. l2.indicate/Indikert/t.表明 词汇变形 名词形式：indication(迹象) 构词解析 前缀im-(加强)+dic(言，如dictionary“词典"”)+后缀-ate(动词)，表“用言语指出”。 例句：Dark clouds indicate that it will rain soon. 真题链接（北师大版高中必修3同步练习)：The study (indicate)a link between smoking and lung cancer.（答案：indicates) l3.plastic/'plaestik/adj.塑料的：n.塑料 词汇变形 名词复数：plastics(塑料类) 构词解析 后缀ic:加在名词plast(可塑体)后构成形容词，表“具有…特性的”。 同类词：electric(电的，electricity→electric)、magic(魔法的，magic→magical) 例句：We should reduce the use of plastic bags. 真题链接（北师大版高中必修3教材例句)：Plastic waste is a serious threat to marine life. 14.diagram/'daI3grem/n.图解 词汇变形 动词形式：diagram(用图解说明) 构词解析 前缀dia-(穿过，如diameter“直径”)+gram(书写，如telegram“电报”)，表“交叉书写的图形”。 例句：The teacher drew a diagram to explain the process. 真题链接（北师大版高中必修3同步练习）：The_(diagram)below shows the structure of a cell.. (答案：diagram) 4 高中必修3北师大版 【词汇精讲】 Unit 8:Green Living 综合训练 一、 根据句意及汉语提示完成单词 6.The local (are working together to clean up the community park. 7.The (官方的)report will be released to the public next week. 8.A large_ (百分比)of students in this school use public transportation. 9.We need to reduce the use of(products to protect the environment. 10.The clearly shows the steps of the experiment. 二、用所给单词的适当形式填空 6.The sun (disappear)behind the mountain an hour ago 7.The survey results(indicate)that most people support the new policy. 8.The lab stores the chemicals in glass(contain). 9.Too much (package)is bad for the environment 10.The (major)of the students in our class have finished their homework. 三、完成句子（每空一词） 5.雨下得很大，因此足球比赛取消了。 It rained heavily;,the football match was cancelled 6.红灯表示道路封闭。 Red lights that the road is closed. 7.为了保护环境，我们应该减少一次性塑料袋的使用。 To protect the environment,we should reduce the use of plastic bags. 8.总而言之，我们需要更加努力学习以实现目标。 To we need to study harder to achieve our goals. 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 高中必修3北师大版 【词汇精讲】 Unit 8:Green Living In a small town,the (resident)noticed that more and more plastic waste was polluting their neighborhood.They decided to take action.An(office)from the town hall organized ameeting. He explained that a large(percent)of the waste came from disposable products and excessive (package).A survey(indicate)that most people were willing to change their habits.The (major)agreed to use reusable containers instead of plastic ones.They also planned to sum up their progress every month. (therefor),with everyone's effort,the town became cleaner and greener 参考答案 I根据句意及汉语提示完成单词 6.residents 7.official 8.percentage 9.plastic 10.diagram Ⅱ用所给单词的适当形式填空 6.disappeared 7.indicate 8.containers 9.packaging 10.majority I.完成句子 5.therefore 6.indicate 7.disposable 8.sum up V.语篇填空 1.residents 2.official 3.percentage 4.packaging 5.indicated 6.majority 7. Therefore 6