Unit1 高频词汇课件

Unit1高频词汇学习设计说明本课件依据新教材和新课标的要求，将中英文中思维差异大、高考出现频率高、词义较多、用法灵活的词汇进行了汇总和精讲。特点：创新趣味性导入、追本溯源记单词、多重维度复现单词、遗忘曲线精准练单词、深度学习记忆单词模块：每个词的呈现同中有异，包含导入、详情和练习三个主要模块。具体分为：情境导入、词根溯源、语义网络图、精准释义、常见搭配、词块例句、高考链接、学后练习等方面Unit1高频词汇一览declinen.&v.purchasen.&v.guaranteen.&v.guarantee导入详情练习精准释义词块例句guaranteen.&v.高考链接guarantee[ˌɡærənˈtiː]n.&v.导入guaranteevt.保证;确保;担保:提供保修单:n.保证afirmpromisethatsthwillbedoneorthatsthwillhappenn.保修单;质量保证书:精准释义todosth.保证做某事that...保证……sb.sth./guaranteesth.tosb.向某人担保某事givesb.aguaranteethat...向某人保证……underguarantee在保修期内Hegavemeaguaranteethatitwouldneverhappenagain.他向我保证这种事情绝不会再发生。Thewatchisstillunderguarantee.这只手表仍在保修期内。Theticketwillguaranteeyoufreeentry.这张票可保证你免费入场。词块例句guarantee高考链接Ourcourses,totalling20,000hoursofcontentin20differentlanguages,guaranteeyoulanguageskillsyoucanuserightaway.(高考北京卷2020阅读)Buywithconfidence:21-daymoneybackguarantee!(高考北京卷2020阅读)Thiscompletebutbriefhistoricalcollectioniscertaintoentertainreadersyoungandold,andguaranteedtopresenteventhebiggesthistoryloverwithsomethingnew!(高考江苏卷2017阅读)该词在历年高考真题中出现28次一、在空白处填入适当的单词或括号内单词的正确形式。1.Wecannot________(guarantee)thepunctualarrivaloftrainsinfoggyweather.在雾天我们不能保证火车准时到达。2.Weguarantee________(be)heretomorrowtocomfortthepeopleinpanic.我们保证明天到这儿安慰那些恐慌的人们。3.Don’tworry！Thewatchisstill________

guarantee.别担心！这块表还在保修期内。guaranteetobeunder练习二、一句多译1.他向我保证一周内将货送到。①He_________________thathewoulddeliverthegoodsinoneweek.(guaranteevt.)②He_________________

thathewoulddeliverthegoodsinoneweek.(guaranteen.)guaranteedmegavemeaguarantee练习导入详情练习精准释义词块例句高考链接词汇拓展declinedeclinen.&v.导入decline[dɪˈklaɪn]n.&v.economicdeclinepopulationdecline精准释义n.[C]&[U]减少;下降;衰退;衰落acontinuousdecreaseinthenumber,value,quality,etc.ofsthvi.减少;下降tobecomesmaller,fewer,weaker,etc.vi.衰退;衰落vt.(formal)谢绝；婉言拒绝torefusepolitelytoacceptortodosth词块例句declineby…减少了……declineto…减少到……Anincreaseincarshasresultedinthedeclineofpublictransport.汽车的增加导致了公共交通的减少。Thenumberoftouriststotheresortdeclinedby10%lastyear.去年到这个胜地旅游的人数减少了10%。Iofferedtogivethemaliftbuttheydeclined.我主动邀请他们搭车，但他们婉言谢绝了记忆技巧：de向下+clin倾斜+e→向下倾斜→衰退同义词：作拒绝时refuse作减少时decrease,reduce，反义词是increase词汇拓展Theselights,knownasadaptivesignals,haveledtosignificantdeclinesinboththetroubleandcostoftravelsbetweenworkandhome.(高考浙江卷2020阅读)Thenumberoftreeslargerthantwofeetacrosshasdeclinedby50percentonmorethan46,000squaremilesofCaliforniaforests,thenewstudyfinds.(高考浙江卷2019阅读)该词在历年高考真题中出现49次高考链接一、用合适的词填空。According

to

scientists,

our

mental

abilities

begin

to

___________(下降，回落)

from

the

age

of

27

after

reaching

thehighest

level

at

22.

2012

浙江

decline/decrease练习导入详情练习精准释义词块例句高考链接词汇拓展purchasepurchasen.&v.purchase[ˈpɜːtʃəs]n.&v.导入purchase是把东西放进购物车里，购买精准释义vt.[正式用语]买；购买；(以努力等)换得n.[U]&[C][正式用语]购买；购买的物品正式用语正式用语purchasesth.fromsb.向某人购买某物makeapurchase采购purchaseandsale买卖That’sreallyagoodpurchase.这个买得真值啊！Ticketsmaybepurchasedinadvancefromtheboxoffice.可以预先在售票处买票。Theypurchasedfreedomwiththeirblood.他们以鲜血换得了自由。词块例句purchase在英语写作中，学生普遍的做法是用自己熟悉或者自己最常用的词来表达观点或陈述事实，这样做常出现的问题是用词不够高级，过于朴实无华，甚至常常将正式用语与非正式用语、书面语与口语混用，从而影响了整体的写作水平，影响了书面表达的得分。因此，我们要想使自己的写作水平更上一层楼，使自己在高考写作中得到更理想的分数，就需要在平时的英语学习中增强正式用语与非正式用语、书面语与口语的意识，并在写作中根据文体合理用词，以使表达更精准、更地道。purchase都属于高级词汇，更多地用于正式场合或正式文体中。词汇拓展词汇拓展我们常常会在阅读材料中见到purchase，但是在运用时却往往只想到用buy。UnderthisAct,allwaterfowlhunters16yearsofageandovermustannuallypurchaseandcarryaFederalDuckStamp.(高考全国新高考I卷2021阅读)Since1934,betterthanhalfabilliondollarshasgoneintothatFundtopurchasemorethan5millionacresofhabitat.(高考全国新高考I卷2021阅读)Iencouragereaderstogototheirlocallibrarywhentheycan'taffordtopurchaseabook.(高考全国卷II2020阅读)该词在历年高考真题中出现38次高考链接正式用语正式用语正式用语

一、试用高级词汇替换下列各句中画线的基础用词。1.Ifyouprefertoeatin,youcanbuyfoodfromtheminimarket. ___________2.Inthespringof2006,about36,000studentsintheUSAtookpartintheAlternativeBreakProgram. ___________3.Whatexperiencedoyouhavethatisaboutthisposition?

___________4.Exerciseisgoodtohealth. ___________purchaseparticipatedinrelevanttobeneficial练习5.Somedrivers,cyclistsandpedestriansdonotthinkitimportanttoobeythetrafficrules. ___________6.Inthecomingthreeyears,ourschoollifewillbedifficult.___________7.We’relookingforpeoplewhowouldbewillingtohelpwiththegroup’swork. ___________8.I’mafraidI’llgotoalecture. ___________