Unit 6 Topic Talk 词汇课件 -2022-2023学年高中英语同步备课（北师大版2019选择性必修第二册）

单词课堂Awordisamicrocosmofhumanconsciousness.—Vygotsky版本：新北师大单元：选择性必修二Unit6

(TOPICTALK)本单元词汇梳理1.microbloggingmicro-(微小的)+blogging(博客)2.hence近义词：therefore，是正式用语(对应so)3.broadcast合成词：broad(adj

广阔的)+cast(扔、掷、撒cast的过去分词)词源：最初broadcast只作形容词和副词，表示“撒播的”或“用撒播的方式”，限用于播种。后用作动词，表示“撒播”，后衍生出词义“散布”或“传播”。20世纪20年代初，broadcast开始用于指无线电信号的播送。此后broadcast的本义逐渐被废弃。词块：alivebroadcast,bebroadcastlive4.economic词族：economy,economic,economical,economically,economics,economist词块：economicdevelopment/crisis5.politicalpolitic(adj

精明的)+-al(形容词后缀)词族：politic,political,politics,politician6.diverse近义词：various；派生词：diversity7.electionelect(v

选举)+-ion(名词后缀)；词块：ageneralelection8.campaigncamp(field平地)+-aign(古代军队常选择在平坦的旷野中扎营，既便于安营扎寨，又拥有开阔的视野，免遭敌人突袭)campaign原指军队之间的“战役”，后引申为政治、商业或社会目的而进行的“运动”同根词：camp,campus；词块：electioncampaigns9.candidate词源：本意是“身穿白袍的”，在古罗马时代，那些谋求公职的竞选人在竞选场合中，往往会身穿一身白袍，一来表示自己品行洁白无瑕，无可挑剔；二来一身白衣在人群中格外醒目，易于给选民留下深刻影响，candidate由此衍生出“竞选人”“候选人”意思。10.coveragecover(v

报道)+-age(名词后缀)词块：news

coverage11.debatede-(down)+bat(tobeat打)+-e(动词后缀)→用言语击打对方→辩论正式用语，对应discussion词块：aheateddebate(about/oversth)12.available英语释义：abletobeusedorcaneasilybeboughtorfound13.interpretinter-(between中间)+pret(tosell)→买卖双方的中介，后词义演变为“解释、理解、领会、口译”派生词：interpreter,interpretation14.acknowledgeac-(处于)+knowledge(知道)→处于知道的状态→承认(基本义)词块：beacknowledgedas派生词：acknowledgement15.dismissdis-(away离开)+miss(tosend送走)→将……送走→让……离开(正式用语)意为“解雇”时日常英语中用fire，不用dismiss词块：dismisssbfromsth,dismiss…as…,dismisstheclass16.up-to-date同uptodate17.outlineout(外面)+line(线)→外面的线→轮廓→文章等的“轮廓”→概要；提纲名词动词化：画出……的轮廓；概述18.mixturemix(v

混合)+-ure(名词后缀)词块：amixtureof19.preciselyprecise(精确的)+-ly(副词后缀)pre-(before在前面)+cise(tocut剪切)→把前面的剪掉，使刚刚好→精确的近义词：exactly20.consultcon-(together一起)+sult(togather聚集)→聚到一起进行讨论→商量/商讨词块：consult

withsbaboutsth,consultadictionary/theInternet词族：consult,consultant,consultation21.complicatedcomplicate(v

使复杂)+-ed(形容词后缀)近义词：complex，在书面语中经常用complex。22.alternative词块：alternativeenergy,havenoalternativebuttodosth派生词：alternatively

23.purchasepur-(forth向前)+chase(torunafter追赶)→向前追赶→获得、得到→买到正式用语(对应buy)词块：makeapurchase重难点词精讲cover&coverage一词多义熟词生义debateeconomicinterpret熟词生义acknowledge英语释义词族熟词生义搭配义一词多义英语释义dismiss一词多义available英语释义alternative英语释义辨析义elect&election英语释义economicR3

adj

［只用于名词前］经济（学）的；经济上的connectedwithtrade,industryandthemanagementofmoney：aneconomiccrisiseconomictheory

有利可图的；合算的producingaprofit(profitable)：Theminewasclosedbecauseitwasnoteconomic.►

economics

n[U]经济学选必二U5【词汇拓展】economicaladj经济的；实惠的；节约的usingmoney,time,goods,etc.carefullyandwithoutwastingany：aneconomicalcar►economicallyadv在经济上；节约地：Althoughthecountryhashadpoliticalindependenceforoveracentury,economicallyitneedsthesupportofitsneighbors.同族词：economy（选必三U7）,economic,economical,economically,economics（选必二U5）,economistelect&election2021年1月6日，美国国会举行联席会议，确认美国总统大选结果。1月7日凌晨，美国国会确认民主党人乔·拜登赢得306张选举人票，在总统选举中获胜。TheUSCongresscertifiedDemocratJoeBiden’spresidentialelectionvictorywith306ElectoralCollegevotes.electvt

［常用于被动语态］选举；推选tochoosesbforanofficialpositionbyvoting：①

electsbtosth:I’llneverforgetbeingelectedtothestudentcouncil.②electsb(as)sth:TheyelectedSmith(as)mayor.

［正式用语］选择；决定

tochoosetodosth:

electtodosth:Hehaselectedtobecomeadoctor.【知新】electionn[C]&[U]选举；推选：ageneralelectionelect构词：e-(out出)+lect(gather,choose选择)→选出→选举electionelect+-ioncover&coverage

覆盖；遮盖

toplacesthoverorinfrontofsth：Lowcloudsenvelopthemountainsides,whicharecoveredwiththickgrass.2019全国Icoveredmyfacewithmyhands.

InSoutheastAsiancultures,asmileisfrequentlyusedtocoverpainfulfeelings.2012全国

走完（一段路程）；占地：Sincehefirststartedofferingridestotheyoungpeople,Wilsonhascovered64,000miles.2019北京Theywentthroughawheat-growingprovinceandsawfarmsthatcoveredthousandsofacres.coversthwithsthcovervtcover基本义是“覆盖”

涵盖；包括；涉及；处理

toincludeordealwithsth：Doesthefeecoverthechargeforvisitingtheplace?Journalismisacourseforseniors,inwhichwewillcoverhowtogather,write,andreportthenews.

Weneedsometimetocoversomanythings.

采访；报道

toreportthedetailsofanevent：Ajournalistwassenttocovertheconference.

足以支付；够付

toprovideenoughmoneyforsth：Tocoverthecostofhiringabus,eachstudentwillhavetopay$10eachtime.

2010福建

覆盖范围：5Gcoverageareas

（书、节目、课程等的）内容范围；信息范围：magazineswithextensivecoverageofdietandhealthtopics

新闻报道：Whenthejourneyended,Zac’sadventurereceivedwidespreadmediacoverage.人教新选必④–3

保险范围：insurancecoveragecoveragen[U](cover+-age)覆盖

cover

v（基本义）用某物覆盖某物覆盖；遮盖覆盖多个抽象事物覆盖距离或空间覆盖新闻事件覆盖费用、花销涵盖；包括；

涉及；处理走完（一段路程）；占地采访；报道足以支付；够付cover&coverage语义网络图覆盖范围（书、节目、课程等的）内容范围；信息范围保险范围新闻报道coveragedebate构词：de-（down）+bat（tobeat打）+-e（动词后缀）。开脑洞：辩论的本质也是用言语击打对方，即唇枪舌战。

（正式）讨论；辩论todiscusssthinaformalwayoratapublicmeeting

(discuss)：Theydebatethetopicopenly.Wedebatedforanhourontheadvantagesanddisadvantagesofhisplan.①debate(sth)withsb:Wemustdebatetheproblemwiththerestofthemembers.②debate+wh-从句/wh-todo:MyfriendsandIsometimesdebatewhetherornotthereislifeonotherplanets.debate■vi&vt

反复考虑；斟酌tothinkaboutordiscusssthbeforedecidingwhattodo：ThisChristmasIwasdebatingwhattogivemyfather.2012湖南■n[C]&[U]讨论；辩论；争论：open/closeadebateunderdebateThereisafierce/heateddebateabout/on/overthequestionwhethertheexperimentshouldbeallowed.interpret

vt

解释；阐述toexplainthemeaningofsth：Freudattemptedtointerpretthemeaningofdreams.

vt

把……理解为：InFrance,apersonencounteringthegesturefor“OK”mayinterpretitasmeaningzero.人教新选必①–4改

vt&vi（口头）翻译：Shecouldn’tspeakEnglishsoherchildrenhadtointerpretforher.【词汇拓展】interpretationn[C]&[U]解释；口译interpretern[C]传译员；口译者interpretv

构词：inter-(between中间)+pret(tosell)→买卖双方的中介，后词义演变为“解释、理解、领会、口译”爱读英文小说的同学们，一定对上图中的话不陌生。这是英国著名小说家简·奥斯汀

(Jane

Austen)所著的长篇小说《傲慢与偏见》(PrideandPrejudice)的开篇第一句，译成中文是：凡是有钱的单身汉，总想娶位太太，这已经成了一条举世公认的道理。acknowledgeacknowledge构词：ac-（处于）+knowledge（知道）→处于知道的状态→承认（基本义）acknowledgevt

承认toacceptoradmitt