Unit 2 Improving yourself 一-2025-2026学年高中英语词汇变形及词缀精讲选择性必修第二册（外研版）

选择性必修第二册外研版 【寒假专版】E版词汇变形及词缀精讲 寒假专版 【Unit2】Improving yourself二 词汇变形及词缀精讲 全部单元单词 clarify/"klaer fa/V.澄清，讲清soap/saUp/n.肥皂 vision/'v3n/adj.投身的 楚，阐明 item/'atem/n.一件商品（或物lifelong/'laiflpr/adj.构想，设 headline/'hedlam/n.媒体报道品) 想 的热门话题：标题 unprecedentedly /n'presiden-likewise/'lakwarz/adv.同样地： max out(钱)花光；（信用卡）trdi/adv.空前地 相似地 刷爆 personal finances(个人的)财objectively/b'd3 ektrvli/adv.客 in contrast to与…形成对比 务管理 观地 district/'distrkt/n.地区，区域jard3a:)/n.(玻璃)罐子，广equip /'kwip/v.使有知识和技 necessity /n3'sesati//n.必需品 口瓶 能，使能够胜任 toothpaste/'tu:perst/n.牙膏 invest/m'vest/v.投资 nail/hel/n.钉子 词汇变形及词缀精讲 1.clarify/'klaerefar/v.澄清，讲清楚，阐明 名词形式：clarification 构词解析：前缀clar-:表“清楚、明白”（如clear);后缀-ify:加在形容词/名词后构成动词，表 “使…化：使成为”。 同类词：simplify(简化)、purify(净化) 例句：Could you clarify your views on this matter'? 真题链接（外研版高中选择性必修第二册单元练习）：The manager asked her to_(clarify)the instructions for the new project.(答案：clarify) 2.district/'drstrikt/n.地区，区域 形容词形式：districtal(地区的，较少用) 构词解析：前缀dis-:表“分开、区分”；词根-ict:表“限制”，合意为“划分开的区域”。 同类词：district→distinguish(区分) 例句：The city is divided into several districts.. 真题链接（外研版高中选择性必修第二册阅读原文）：The new hospital will serve the entire eastern .(答案：district) 选择性必修第二册外研版 【寒假专版】 E版词汇变形及词缀精讲 3.necessity /na'sesati/n.必需品 形容词形式：necessary 副词形式：necessarily 构词解析：前缀ne-:表“否定”；词根-cess:表“行走”，合意为“不可缺少的（必须走的）”；后 缀-ty:名词后缀，表“性质、状态”。 例句：Food and water are basic necessities of life. 真题链接（外研版高中选择性必修第二册单元测试）：Itis__(ecessary)to prepare an umbrella on rainy days.(答案：necessary) 4.item/'aitom/n.一件商品（或物品） 复数形式：items 构词解析：源自拉丁语“itm”(同样，又)，原指清单中“又一项”，后演变为“物品”。 例句：Please check each item on the list carefully.. 真题链接（外研版高中选择性必修第二册听力材料）：The shop sells various ,including clothes and electronics..(答案：items) 5.invest/m'vest/v.投资 名词形式：investment 形容词形式：invested(投入的) 构词解析：前缀in-:表“进入”；词根-vest:表“衣服、穿戴”，合意为“将钱‘穿’在身上”→ 投资。 固定搭配：invest in(投资于…) 例句：He decided to invest his savings in the stock market.. 真题链接（外研版高中选择性必修第二册写作范文）：Many young people choose to_(invest)in their education.(答案：invest) 6.lifelong'larflDn/adj.终生的 拆分构成：life(生命)+long(长的)→合为“终生的” 构词解析：复合形容词：名词+形容词，表“持续一生的”。 同类词：worldwide（全世界的)、snow-white(雪白的) 例句：She has a lifelong interest in painting. 真题链接（外研版高中选择性必修第二册课文原句）：Learning is a journey for everyone..(答 案：lifelong) 7.likewise/'larkwarz/adv.同样地；相似地 拆分构成：like(像)+wise(方式)→合为“以相似的方式” 构词解析：复合副词：形容词+后缀-wise(表“方式、方向”)。 同类词：clockwise（顺时针地)、otherwise(否则) She is good at English,and likewise,her brother speaks it fluently. 真题链接（外研版高中选择性必修第二册完形填空）：He enjoys reading,and_his sister loves books too.（答案：likewise) 选择性必修第二册外研版 【寒假专版】 ,E版词汇变形及词缀精讲 8.objectively/b'd3 ektrvli/adv.客观地 形容词形式：objective 名词形式：objectivity 构词解析：前缀ob-:表“朝向”；词根jct:表“投掷”，合意为“投向外部的”→客观的：后缀 y:副词后缀。 例句：We should view the problem objectively. 真题链接（外研版高中选择性必修第二册单元练习）：To make a fair decision,you need to think (objective).(答案：objectively) 9.equip /'kwip/v.使有知识和技能，使能够胜任 名词形式：equipment(不可数) 形容词形式：equipped(配备好的) 构词解析：前缀e-:表“出、使”；词根-qup:表“准备”，合意为“使准备好”→装备、配备。 固定搭配：equip sb.with sth.(用某物装备某人) 例句：The course equips students with practical skills 真题链接（外研版高中选择性必修第二册阅读练习）：Schools should_(equip)students with the ability to solve problems.(答案：equip) 10.nail /nerl/n.钉子：v.钉住 动词短语：nail down(确定，敲定) 构词解析：古英语“naegel'”,与“nail”(指甲)同源，因形状相似得名。 例句：He used a nail to hang the picture on the wall, 真题链接（外研版高中选择性必修第二册词汇填空）：Please (nail)the board to the door.(答 案：nail) 1l.headline/'hedlam/n.标题 动词形式：headline(给…加标题；成为头条) 构词解析：复合词：head(头部)+line(行)→文章“头部的一行”→标题。 例句：The newspaper's front--page headline was about the election, 真题链接（外研版高中选择性必修第二册新闻阅读）：The event made the_of all major newspa即ers. (答案：headline) 12.s0ap/saUp/n.肥皂 动词形式：s0a即（用肥皂洗） 构词解析：源自拉丁语“s即o”,指“肥皂”，后衍生为动词“用肥皂清洗”。 例句：She bought a bar of soap from the store.. 真题链接（外研版高中选择性必修第二册听力练习)：Don't forget to buy_when you go to the supermarket.(答案：soap) 13.jar/d3a:)/n.(玻璃)罐子 动词形式：jm(震动：不和谐，较少用) 构词解析：源自阿拉伯语“jarrah”(陶罐)，指“用于储存的容器”。 3 选择性必修第二册外研版 【寒假专版】E版词汇变形及词缀精讲 例句：She keeps cookies in a glass jar. 真题链接（外研版高中选择性必修第二册单元写作)：Please put the sugar in the blue一·（答案： jar) l4.unprecedentedly/n'presidentidli/adv.空前地 形容词形式：unprecedented 构词解析：前缀un-:表“否定”；词根precedent(先例)：后缀-ed:形容词后缀：-ly:副词后缀。 合意为“没有先例地”→空前地。 例句：The company has grown unprecedentedly in the past year. 真题链接（外研版高中选择性必修第二册阅读理解）：The pandemic caused」 _(unprecedentedly) changes in global trade.(答案：unprecedentedly) 综合训练 一、 根据句意及汉语提示完成单词 6.The local government plans to build a new park in the western (地区). 7.Food and water are basic _(必需品)for human survival. 8.Please put the cookies into the glass (罐子)after opening 9.The newspaper's front-page (标题)reported the latest political news. 10.Don't forget to buy a bar of (when you go to the supermarket. 二、用所给单词的适当形式填空 6.The manager asked her to (clarify)the details of the project again. 7.It is (necessary)to wear a mask in crowded places during the pandemic. 8.Many young people choose to(invest)in their future by learning new skills. 9.To make a fair judgment,we should view the problem (objective). 10.Schools should (equip)students with practical abilities for their future careers. 三、完成句子（每空一词） 5.学习是每个人的 (终生的旅程) 6.他擅长数学， (同样地)，他的妹妹数学也很好。 选择性必修第二册外研版 【寒假专版】E版词汇变形及词缀精讲 7.这家公司在过去十年里 (空前地发展). 8.老师用丰富的知识 (装备我们) 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。 Learning is a (lifelong)journey that requires continuous effort.In today'sfast-changing world, it is _(necessary)to keep updating our skills.Many people choose to (invest)in online courses to improve themselves. Teachers play a key role in education.They not only(clarify)difficult concepts but also (equip)students with critical thinking abilities.A good teacher helps students view problems (objective)and make wise decisions. Last month,a new library was built in our(district).It has various (item),including books,magazines,and digital resources.The opening ceremony even made the (headline)of the local newspaper. 参考答案 I.根据句意及汉语提示完成单词 6.district 7.necessities 8.jar 9.headline 10.soap Ⅱ用所给单词的适当形式填空 6.clarify 7.necessary 8.invest 9.objectively 10.equip IL.完成句子 5.lifelong journey 6.likewise 7.grew uprecedentedly 8.equips us V.语篇填空 1.lifelong 2.necessary 3.invest 4.clarify 5.equip 6.objectively 7.district 6 items 9.headline 5