Unit3SeaExplorationPeriod1ReadingandThinking课件-高二英语人教版选择性

人教选择性必修第四册Unit3ReadingandThinking(I)Learnaboutseaexploration教学目

Lead-in视频：ZhengHe’stravellingtothewest12ToknowthelonghistoryofChina'sforeigntradethroughmaritimeexplorationbyreading,andunderstandthestructureandcharacteristicsoftheexpositoryTousethekeywordsandphrasesindifferentsituations目标一：ToknowthelonghistoryofChina'sforeigntradethroughmaritimeexplorationbyreading,andunderstandthestructureandcharacteristicsoftheexpositoryActivity1:Findoutthenewwordsandphrases.Readthewordsandphrases,andsaytheirChinesemeaningsloudly.talenegotiateextendsetsailleagueroyalwithdrawinhandbondchannelpoliticsprofessiontournamentcoveragelaptopmixtureinaleagueofone’sownActivity2:Lookatthetitleandskimthetext.Decidewhattypeofessayitis.IdentifyessaytypesTherearefourmajortypesofessay:narrative,descriptive,expository,andargumentative.Anarrativeessayisastorywithabeginning,middle,andend.Adescriptiveessaydescribesasubjectandlistsinterestingdetails.Anexpositoryessayisfactual,givinginformationonasubject.Finally,anargumentativeessayaimstoconvincethereader.Whatarefourmajortypesofessaydoyouknow?Itisanexpositoryessay.

Activity3:Readthetextagain.Writedownthemainideaofeachparagraph.ParagraphMainidea123456TravelfromeasttowestbeganlongbeforeColumbus.Inancienttimes,traveleasttowestwasontheSilkRoad.ZhengHe’sseavoyagesbuiltrelationswithothercountries.The21stCenturyMaritimeSilkRoadhasencouragedcooperationandstrengthenedthebondsbetweenChinaandtherestoftheworld(Today,theBeltandRoadInitiativeispickingupwhereZhengHeleftoff.)Chinaisalsojoiningwithothercountriesonotherimportantprojects.Chinawillcontinuetoexploretheseaandenhancerelationshipswithothercountries.Activity4:Scanthetextandfillinthetablewiththecorrectnames.NameDescriptionThenameofthetraderoutebetweenChinaandtheWestItskingssentgiftssuchasgiraffestoChinaAnareacurrentlybeingexploredforscientificreasonsAdestinationofsilkandamajorEuropeancapitaltheSilkRoadAfricanroyalfamiliestheArcticRome

NameDescriptionThemoderncountrynameforCeylonThehistoricalperiodwhenChinaexpandedmaritimeexplorationtootherregionsTheauthorofRecordofMyTravelsThecommanderofthesevenfleetsThepersonwhowrotestoriesthatinspiredEuropeanexplorersSriLankatheMingDynastyDuHuanZhengHeMarcoPoloActivity5:Ingroups,discussthefollowingquestions.Makenotesundertwocolumns:FactsandOpinions.Whichcountriesreachedoutacrosstheseainthepastandwhy?Whatbenefitsandproblemsdidthosecountriesgetformdoingthis?Whateffectsdidreachingoutacrosstheseainthepasthaveontheworld?WhatdoyouthinkisthesignificanceoftheBeltandRoadInitiative?QuestionFactOpinion1234QuestionFactOpinion1Europeanexplorers,China,India,Ceylon,Africanroyalfamilies;fortrade2Theygotnewproductsfrommanydifferentcountriesandbecamemoreawareofothercultures;Insomecases,thisledtoinvasionandconquest.SuggestedAnswersQuestionFactOpinion3Thelandandsearoutesremainedactivechannelsbetween

different

culturesforcenturies;Generally

speaking,the

resultwaspositive,asitadvancedthespreadofknowledge,technology,andgoods,andmadetheworldasmallerplace.4TheaimofthisinitiativeistoencouragecooperationandtradeacrossthehistoricalSilkRoadareas,andstrengthenthebondsbetweenChinaandtherestoftheworld;ItwillleadtogreaterintegrationwithChinaandothercountries.人教选择性必修第四册Unit3ReadingandThinking(II)Buildupyourvocabulary目标二：TousethekeywordsandphrasesindifferentsituationsActivity1:Identifylanguagepointsthatyouwanttosharewithyourpartner.Discussingroupsandthensharewiththeclass.1.Atradingrouteacrosstheseawasalsoextendedalongthecoastsof

theIndianOcean,centredaroundCeylon(nowSriLanka).一条横跨海洋的贸易路线也沿着印度洋海岸延伸，以锡兰(现在的斯里兰卡)为中心。extendvt.扩展；使伸长；延长【归纳拓展】※extendfrom...to...

从……延伸到……

extendout

伸出

extendthrough...

贯穿……；达到整个……的长度※extension

n.延伸，扩展2.Here,merchantsfromChinaandmanyotherplacesmettonegotiatetradedeals,whichalsoledtomoreawarenessofeachother'scultures.在这里，来自中国和许多其他地方的商人聚集在一起谈判贸易协议，这也促进了对彼此文化的更多了解。negotiate

vt.商定；达成（协议）

vi.谈判;磋商;协商

【归纳拓展】※

negotiateaprice

商谈价格

negotiatewith...

同……协商；谈判；交涉

negotiatefor...

为……谈判

negotiateinto...

通过谈判使进入※negotiationn.

谈判，商谈※negotiableadj.

可协商的，可讨论的※negotiatorn.

谈判代表3.Thesefleetswereasighttobehold①andwereinaleague②oftheirownatthattime.

这些船队在当时蔚为壮观，独领风骚。①beholdvt.

看；看见

句中的asighttobehold意思是“壮观的景象”。类似的表达还有ajoy/pleasure/wondertobehold.e.g.Thebeautyofmountainvillageisapleasuretobehold.山村之美让人赏心悦目。②league

n.等级;水平;联合会;联赛be

inaleagueofone’sown表示“独领风骚”，

意思相当于bemuchbetterthantherest。

【归纳拓展】※

atthetopoftheleague 顶级的※beinthesameleague 同一级别※inleaguewith 与……密谋；与……结盟※outofone’sleague 某人力所不能及4.AlthoughChinawithdrewfromfurtherexpeditionsafter

1433,theselandandsearoutesremainedactivechannelsbetweenotherculturesforcenturies.尽管中国在1433年后退出了进一步的探险，但几个世纪以来这些海陆通道仍然是其他文化之间的活跃通道。withdrawvi.&vt.

（使）撤回；撤离withdrewfrom

退出；撤回【归纳拓展】※

withdrawmoneyfromthebank

从银行取款

withdrawone'seyesfrom...

把视线从……移开(不再看……)

withdrawaremark

收回发言※withdrawal

n.

收回；取回；撤回；撤退；取款5.Hundredsofyearson,andwiththelatesttechnologyinhand,…数百年过去了，随着最新技术的问世，……inhand

在手头，可供使用【归纳拓展】※

athand 在手边；在附近byhand 用手handinhand 手拉手；与……共存ontheonehand...,ontheotherhand...一方面……，另一方面……※handback 归还；交还handdown 把……传下去handin 上交handout 分发；散发handover 移交6.HenryNormanBethunedevotedhislifeandprofessiontohelpingpeoplewithout

expectinganythinginreturn.亨利·诺尔曼·白求恩把他的一生和职业奉献给帮助别人，不求任何回报。profession

n.

职业；行业【归纳拓展】复数:

professions 词根:

profess同根词:

professionaladj.专业的；职业的；职业性的

n.专业人员；职业运动员

professionallyadv.

专业地；内行地work,career,profession,tradework指工作、职业。e.g.

ThoughIhadalotofexperienceandaMaster’sdegree,Icouldnotfindsatisfyingwork.career指生涯、职业。e.g.

Thescandal(丑闻)destroyedhiscareerasalawyer.profession指需要专门技能（尤其是较高教育水平）的职业、专业。e.g.

Whenhegraduatedfromcollege,hewantedtoenterthemedicalprofession.trade指行业，尤指手工职业、工艺、行当。e.g.

Helearnedhistradeasacarpenterinthenorth.1.________animaginarystoryoranexcitingdescriptionofanevent2.________relatedtothekingorqueenofacountry3._________toreachanagreementbydiscussion4._________tostoptakingpartinanactivity5._________tomakesomethinglongerorlarger6._________aconnectionbetweenpeople7_________alevelofquality,ability,etc.8._________adeeppassageofwaterusedasarouteforshipsActivity2:Writedownthewordthatmatcheseachdefinition.taleroyalextendbondwithdrawleaguechannelnegotiateTask1Findthesentencescontainingthesewordsinthetext.1.MarcoPolo'stalesinspiredEuropeanexplorerstosearchforsearoutesfromwesttoeast.2.Africanroyalfamiliessentgiftssuchasgiraffesasgesturesoffriendshipinreturnforgold,silk,andspices.3.Here,merchantsfromChinaandmanyotherplacesmettonegotiatetradedeals,whichalsoledtomoreawarenessofeachother'scultures.4.AlthoughChinawithdrewfromfurtherexpeditionsafter

1433,theselandandsearoutesremainedactivechannelsbetweenotherculturesforcenturies.5.Atradingrouteacrosstheseawasalsoextendedalongthecoastsof

theIndianOcean,centredaroundCeylon(nowSriLanka).6.TheaimofthisinitiativeistoencouragecooperationandtradeacrossthehistoricSilkRoadareas,andstrengthenthebondsbetweenChinaandtherestoftheworld.7.Thesefleetswereasighttobehold

andwereinaleague

oftheirownatthattime.8.AlthoughChinawithdrewfromfurtherexpeditionsafter

1433,theselandandsearoutesremainedactivechannelsbetweenotherculturesforcenturies.AnswersbondextendedtalesleagueActivity3:Completethesentenceswiththecorrectformsofthephrasesinthebox.asighttobeholdinhandwithdrawfrominreturn1.HenryNormanBethunedevotedhislifeandprofessiontohelpingpeoplewithoutexpectinganything_________.2.LastsummerwevisitedanislandintheIndianOcean,whoserockycoastlineandlonggoldenbeacheswere________________.3.Thetennisplayer______________severaltournamentsduetoinjury.4.Withlotsoffoodanddrink________,theysetofffortheirpicnic.inreturnasighttobeholdwithdrewfrominhandClassifythecorechunksyouthinkinthetext.SuggestedAnswersNounPhrases

VerbPhrasesPrepositionPhrasesasighttobeholdatraderoutesearoute…withdrawfromnegotiatetradedealssetsailremainactivechannels…inhandinreturnfromascientifcpointofview…Activity4:Complet