Unit1 高頻詞匯課件

Unit1高頻詞匯學習設計說明本課件依據新教材和新課標的要求，將中英文中思維差異大、高考出現頻率高、詞義較多、用法靈活的詞匯進行了匯總和精講。特點：創(chuàng)新趣味性導入、追本溯源記單詞、多重維度復現單詞、遺忘曲線精準練單詞、深度學習記憶單詞模塊：每個詞的呈現同中有異，包含導入、詳情和練習三個主要模塊。具體分為：情境導入、詞根溯源、語義網絡圖、精準釋義、常見搭配、詞塊例句、高考鏈接、學后練習等方面Unit1高頻詞匯一覽declinen.&v.purchasen.&v.guaranteen.&v.guarantee導入詳情練習精準釋義詞塊例句guaranteen.&v.高考鏈接guarantee[?ɡ?r?n?ti?]n.&v.導入guaranteevt.保證;確保;擔保:提供保修單:n.保證afirmpromisethatsthwillbedoneorthatsthwillhappenn.保修單;質量保證書:精準釋義todosth.保證做某事that...保證……sb.sth./guaranteesth.tosb.向某人擔保某事givesb.aguaranteethat...向某人保證……underguarantee在保修期內Hegavemeaguaranteethatitwouldneverhappenagain.他向我保證這種事情絕不會再發(fā)生。Thewatchisstillunderguarantee.這只手表仍在保修期內。Theticketwillguaranteeyoufreeentry.這張票可保證你免費入場。詞塊例句guarantee高考鏈接Ourcourses,totalling20,000hoursofcontentin20differentlanguages,guaranteeyoulanguageskillsyoucanuserightaway.(高考北京卷2020閱讀)Buywithconfidence:21-daymoneybackguarantee!(高考北京卷2020閱讀)Thiscompletebutbriefhistoricalcollectioniscertaintoentertainreadersyoungandold,andguaranteedtopresenteventhebiggesthistoryloverwithsomethingnew!(高考江蘇卷2017閱讀)該詞在歷年高考真題中出現28次一、在空白處填入適當的單詞或括號內單詞的正確形式。1.Wecannot________(guarantee)thepunctualarrivaloftrainsinfoggyweather.在霧天我們不能保證火車準時到達。2.Weguarantee________(be)heretomorrowtocomfortthepeopleinpanic.我們保證明天到這兒安慰那些恐慌的人們。3.Don’tworry！Thewatchisstill________

guarantee.別擔心！這塊表還在保修期內。guaranteetobeunder練習二、一句多譯1.他向我保證一周內將貨送到。①He_________________thathewoulddeliverthegoodsinoneweek.(guaranteevt.)②He_________________

thathewoulddeliverthegoodsinoneweek.(guaranteen.)guaranteedmegavemeaguarantee練習導入詳情練習精準釋義詞塊例句高考鏈接詞匯拓展declinedeclinen.&v.導入decline[d??kla?n]n.&v.economicdeclinepopulationdecline精準釋義n.[C]&[U]減少;下降;衰退;衰落acontinuousdecreaseinthenumber,value,quality,etc.ofsthvi.減少;下降tobecomesmaller,fewer,weaker,etc.vi.衰退;衰落vt.(formal)謝絕；婉言拒絕torefusepolitelytoacceptortodosth詞塊例句declineby…減少了……declineto…減少到……Anincreaseincarshasresultedinthedeclineofpublictransport.汽車的增加導致了公共交通的減少。Thenumberoftouriststotheresortdeclinedby10%lastyear.去年到這個勝地旅游的人數減少了10%。Iofferedtogivethemaliftbuttheydeclined.我主動邀請他們搭車，但他們婉言謝絕了記憶技巧：de向下+clin傾斜+e→向下傾斜→衰退同義詞：作拒絕時refuse作減少時decrease,reduce，反義詞是increase詞匯拓展Theselights,knownasadaptivesignals,haveledtosignificantdeclinesinboththetroubleandcostoftravelsbetweenworkandhome.(高考浙江卷2020閱讀)Thenumberoftreeslargerthantwofeetacrosshasdeclinedby50percentonmorethan46,000squaremilesofCaliforniaforests,thenewstudyfinds.(高考浙江卷2019閱讀)該詞在歷年高考真題中出現49次高考鏈接一、用合適的詞填空。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練習導入詳情練習精準釋義詞塊例句高考鏈接詞匯拓展purchasepurchasen.&v.purchase[?p??t??s]n.&v.導入purchase是把東西放進購物車里，購買精準釋義vt.[正式用語]買；購買；(以努力等)換得n.[U]&[C][正式用語]購買；購買的物品正式用語正式用語purchasesth.fromsb.向某人購買某物makeapurchase采購purchaseandsale買賣That’sreallyagoodpurchase.這個買得真值??！Ticketsmaybepurchasedinadvancefromtheboxoffice.可以預先在售票處買票。Theypurchasedfreedomwiththeirblood.他們以鮮血換得了自由。詞塊例句purchase在英語寫作中，學生普遍的做法是用自己熟悉或者自己最常用的詞來表達觀點或陳述事實，這樣做常出現的問題是用詞不夠高級，過于樸實無華，甚至常常將正式用語與非正式用語、書面語與口語混用，從而影響了整體的寫作水平，影響了書面表達的得分。因此，我們要想使自己的寫作水平更上一層樓，使自己在高考寫作中得到更理想的分數，就需要在平時的英語學習中增強正式用語與非正式用語、書面語與口語的意識，并在寫作中根據文體合理用詞，以使表達更精準、更地道。purchase都屬于高級詞匯，更多地用于正式場合或正式文體中。詞匯拓展詞匯拓展我們常常會在閱讀材料中見到purchase，但是在運用時卻往往只想到用buy。UnderthisAct,allwaterfowlhunters16yearsofageandovermustannuallypurchaseandcarryaFederalDuckStamp.(高考全國新高考I卷2021閱讀)Since1934,betterthanhalfabilliondollarshasgoneintothatFundtopurchasemorethan5millionacresofhabitat.(高考全國新高考I卷2021閱讀)Iencouragereaderstogototheirlocallibrarywhentheycan'taffordtopurchaseabook.(高考全國卷II2020閱讀)該詞在歷年高考真題中出現38次高考鏈接正式用語正式用語正式用語

一、試用高級詞匯替換下列各句中畫線的基礎用詞。1.Ifyouprefertoeatin,youcanbuyfoodfromtheminimarket. ___________2.Inthespringof2006,about36,000studentsintheUSAtookpartintheAlternativeBreakProgram. ___________3.Whatexperiencedoyouhavethatisaboutthisposition?

___________4.Exerciseisgoodtohealth. ___________purchaseparticipatedinrelevanttobene?cial練習5.Somedrivers,cyclistsandpedestriansdonotthinkitimportanttoobeythetrafficrules. ___________6.Inthecomingthreeyears,ourschoollifewillbedifficult.___________7.We’relookingforpeoplewhowouldbewillingtohelpwiththegroup’swork. ___________8.I’mafraidI’llgotoalecture. ___________