Unit 6 The Media Topic Talk-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 6:The Media Topic Talk 词汇精讲 Unit 6:The Media Topic Talk 词汇变形及词缀精讲 全部单元单词 microblogging/maikraublogm/n.商业或社会性)运动：vi.发起 要；外形 微博维护，微博更新 运动：参加活动 nixture/'mIkstfa/n.混合 hence /hens/adv.因此，由此，所candidate/'kaendIdat/n.候选人；precisely /pri'sarsli/adv.确实如 以 考生 此：精确地 broadcast/'bro:dka:st/h.广播节coverage/'kAvarid3h. 新闻报consult /kan'sAlt/t.查阅：vi.& 目：电视节目：vⅵ.&t.广播：道：覆盖范围 t.咨询：商议 播送 debate /dr'beit/n.vi.vt.complicated /'komplikeitid/adj *via/'vaI/prep.通过（某人、某论，辩论 难懂的：复杂的 机器等传送 available/A'veilabl/adj.可获得alternative/:l't3:natrv//adj.可替 economic/,ik3'nDmk/adj.经济的，可用的；有空的 代的：另外的：n.可供选择的 (上)的 interpret/m't3prt/t.解释；vi.事物 political /p3'ltkl/adj.政治的：&t.口译 tournament/'toenamant/h.锦标 政府的 acknowledge/ak'nDlId3/t.承认赛 diverse /dar'v3s/adj.各种各样dismiss/dis'mis/t.否定 purchase/'p3ts/t.购买；n. 的 up-to-date adj.包含最新信息购买（物） election/'lek./n/m.选举 的：新式的：时髦的 campaign /kam'pen/n.(政治、 outline/'aotlamn/t.概述；n.纲 词汇变形及词缀精讲 1.economic/,ik3nDnk/adj.经济（上）的 词汇变形 名词形式：economy(经济) 副词形式：economically(经济地) 构词解析 后缀-c:加在名词后构成形容词，表“与…有关的：具有…性质的”。 同类词：historic(历史的)、geographic(地理的) 例句：The country is facing serious economic problems, 真题链接（北师大版高中选修2同步练习）：The government has taken measures to improve the (economy)situation.(答案：economic) 1 高中选修2北师大版 【词汇精讲】 Unit 6:The Media Topic Talk 2.political /p3 litrkl/adj.政治的：政府的 词汇变形 名词形式：politics(政治) 副词形式：politically(政治上) 构词解析 后缀-ical:构成形容词，表“与…有关的”，由名词“politics'”去“s”加“-ical”构成。 同类词：logical(逻辑的)、chemical(化学的) 例句：The political situation in the region is very complicated. 真题链接（北师大版高中选修2教材例句）：He has strong political opinions and often participates in debates. 3.diverse/dal'v3:s/adj.各种各样的 词汇变形 名词形式：diversity(多样性) 动词形式：diversify(使多样化) 构词解析 前缀di-:表“分开、离开”；后缀-vrse:表“转向”，合起来表示“转向不同方向的”；ity是名词 后缀，表“性质、状态”。 例句：The city has a diverse population from different countries. 真题链接（北师大版高中选修2同步练习)：We should respect the (diverse)of cultures in the world.(答案：diversity) 4.available/'verlabl/adj.可获得的，可用的：有空的 词汇变形 动词形式：avail(利用，有益于) 名词形式：availability(可用性；可获得性) 构词解析 前缀a-:表“在…状态”；词根“vail”意为“价值、力量”；后缀-ble:表“可…的”，合起来 表示“可利用的、可获得的”。 例句：Tickets for the concert are available online. 真题链接（北师大版高中选修2教材例句)：Is this room available for a meeting tomorrow? 5.interpret/m't3prt/t.解释；vi.&t.口译 词汇变形 名词形式：interpretation(解释；口译) 形容词形式：interpretive(解释的；说明的) 构词解析 前缀inter.-:表“在…之间”；词根“pret”意为“表达”，合起来表示“在（语言等）之间表达” 即“解释、口译”：-ation是名词后缀，表“动作、结果”。 例句：He will interpret for the foreign visitors during the meeting. 真题链接（北师大版高中选修2同步练习）：The一(interpret)of this poem is different among readers.(答案：interpretation) 高中选修2北师大版 【词汇精讲】 Unit 6:The Media Topic Talk 6.acknowledge/ek'nDlId3/t.承认 词汇变形 名词形式：acknowledgement(承认；感谢) 形容词形式：acknowledged(公认的) 构词解析 前缀ac-:表“加强”；词根“knowledge”意为“知识、了解”，合起来表示“使了解、承认”；-ment 是名词后缀，表“行为、结果”。 例句：He finally acknowledged his mistake in the project. 真题链接（北师大版高中选修2同步练习)：Please send an (acknowledge)of receipt as soon as possible..(答案：acknowledgement) 7.dismiss/ds'mIs/t.否定 词汇变形 名词形式：dismissal(解雇；不予考虑) 构词解析 前缀dis-:表“否定、相反”；词根“miss”意为“送、放出”，合起来表示“送走、打发走”，引申 为“否定、解雇”：-l是名词后缀，表“行为、状态”。 The manager decided to dismiss the proposal without further discussion 真题链接（北师大版高中选修2教材例句)：His idea was dismissed as impractical by the team. 8.outline/'autlam/t.概述；n.纲要；外形 词汇变形 形容词形式：outlined(轮廓分明的) 构词解析 前缀out-:表“在外、向外”：词根“1ine”意为“线”，合起来表示“外部的线”即“轮廓、纲要”， 动词意为“勾勒轮廓、概述”。 例句：She outlined her plans for the coming year in the report. 真题链接（北师大版高中选修2同步练习）：Please make an (outline)of your essay before writing. (答案：outline) 9.consult /kan'slt/t.查阅；vi.&t.咨询：商议 词汇变形 名词形式：consultation(咨询：商议) 形容词形式：consultative（咨询的：商议的) 构词解析 前缀con-:表“共同、一起”；词根“sut”意为“召集”，合起来表示“召集到一起商议”即“咨 询、商议”；-ation是名词后缀，表“动作、过程”。 例句：You should consult a doctor before taking this medicine. 真题链接（北师大版高中选修2教材例句）：The company held a consultation with its employees about the new policy. l0.complicated/'kpmplikertid/adj.难懂的；复杂的 3 高中选修2北师大版 【词汇精讲】 Unit 6:The Media Topic Talk 词汇变形 动词形式：complicate(使复杂) 名词形式：complication（复杂情况；并发症) 构词解析 前缀com-:表“共同、一起”；词根“plic”意为“折叠”，-ate是动词后缀，合起来表示“折叠在 一起”即“使复杂”；-d是形容词后缀，表“已…的”。 例句：The instructions for this machine are too complicated, 真题链接（北师大版高中选修2同步练习）：The problem became (complicate)when more factors were considered.(答案：complicated) 11.alternative/:I't3natv/adj.可替代的：另外的：n.可供选择的事物 词汇变形 动词形式：alternate(交替；轮流) 副词形式：alternatively(或者；要不然) 构词解析 前缀alter-:表“其他的、改变”；后缀-native:表“具有…性质的”，合起来表示“其他的、可替 代的”；-y是副词后缀。 例句：We need to find an alternative solution to this problem. 真题链接（北师大版高中选修2教材例句）：You can take the bus,or alternatively,.go by bike. 12.purchase/'p3tas/t.购买；n.购买（物 词汇变形 形容词形式：purchasable(可购买的) 构词解析 前缀pur-:表“向前、加强”；词根“chase”意为“追逐”，合起来表示“追逐（想要的东西）”即 “购买”：-ble是形容词后缀，表“可…的”。 例句：She used all her savings to purchase a new house 真题链接（北师大版高中选修2同步练习）：The (purchase)of this equipment will greatly improve our work efficiency.(答案：purchase) 综合训练 一、根据句意及汉语提示完成单词 1.The government's new policy aims to improve the_()situation of rural areas. 2.She has strong()beliefs and often participates in public debates. 3.The一（多样性）of cultures in this city makes it a popular tourist destination. 4.Is there any_(可获得的)information about the upcoming concert? 4 高中选修2北师大版 【词汇精讲】 Unit 6:The Media Topic Talk 5.The()of this ancient text has been debated by scholars for years. 二、用所给单词的适当形式填空 1.The_(economy)growth of this country has slowed down in recent years. 2.He finally_(acknowledge)his mistake after being confronted with evidence. 3.The teacher asked us to_(consult)a dictionary if we didn't know the word. 4.The problem became more_(complicate)when new data was collected. 5.We need to find an_(alternate)way to solve this problem since the first one failed. 三、完成句子（每空一词) 1.这个地区的政治局势非常复杂。 The in this region is very complicated. 2.你应该在购买之前咨询专业人士。 You shoulda professional before making a- 3.她概述了她对这个项目的计划。 Sheher plans for the project. 4.这些票可以在网上购买。 These tickets are for_online. 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。 In today's_(economy)world,people face various challenges.One of them is making wise (purchase).Before buying something expensive,it's important to_(consult)experts.Sometimes, the_(available)of information can make the process less_(complicate). Some people prefer to follow_(politics)news to understand the latest policies,while others focus on the-(diverse)of products.No matter what choice you make,-(interpret)the market correctly is key.Remember,an_(acknowledge)of your own needs will help you make better decisions. 参考答案 5 高中选修2北师大版 【词汇精讲】 Unit 6:The Media Topic Talk I.根据句意及汉语提示完成单词 6.economic 7.political 8.diversity 9.available 10.interpretation Ⅱ.用所给单词的适当形式填空 6.economic 7.acknowledged 8.consult 9.complicated 10.alternative I.完成句子 5.political situation 6.consult;purchase 7.outlined 8.available;purchase V.语篇填空 1.economic 2.purchases 3.consult 4.availability 5.complicated 6.political 7.diversity 8.interpreting 9.acknowledgement 6