外研版高中英语选择性必修第四册UNIT5 Period2课件

Period2

Unit5

Intotheunknown主题语境人与社会——社会进步与人类文明1．What'sthemainideaofthetext?A．ThediscoveryofWilliamGadoury．B．TheimpressiveachievementofMaya．C．ThesecretsofMayacivilisation．D．DroughtsledtothecollapseofMaya．课时练案课文整体阅读(Understandingideas)√2．Whatcanwelearnfromparagraph3?A．TheMayamadetheirachievementswiththemoderntechnology．B．EuropeansdefeatedMayapeopleandthecivilisationdeclined．C．TheMayacitieshaddisappearedbeforetheearly16thcentury．D．Mayacivilisationwasatitspeakby700BC．√1．Whatistheauthor'spurposeinstartingthetextwiththestoryaboutWilliamGadoury?A．TointroduceMayacivilisation．B．Toamusethereaders．C．ToemphasisetheimportanceofMayacivilisation．D．ToinformusthelocationoftheMayacity．√2．WhywasMayacalendarsoaccurate?A．Becauseitwasverycomplicated．B．BecausetheMayatookadvantageoftheirunderstandingofmathematicsandastronomy．C．Becausethereweremanycharactersinit．D．BecausetheMayahadawritingsystem．√3．WhatismostlytobeblameforthedeclineofMayacivilisationaccordingtoparagraph4?A．TheMayapeoplethemselves．B．Anaturaldisaster．C．Conflictsbetweencities．D．Adeadlydisease．√1．DoyoubelievetheexistenceofmonstersinLakeTianchi?Giveyourreasonsaboutit．______________________________________________________________________________________________________________________2．IfyouweretomeetaUFO，whatwouldyoudowithit?______________________________________________________________________________________________________________________[答案]略complexstructuresappliedaccuratecomplicatedchangingdealwithdroughts1．buryv．将……埋在下面，埋葬；掩盖，遮盖①(教材原句)Basedonthis，hebelievedhehadspottedanunknownMayacityburieddeepinthejungle．

_______________②Sheburiedherfaceinherhandsandbegantosob．

___________将……埋在下面掩盖，遮盖2．dismissv．拒绝考虑，否认；解雇，开除①(教材原句)Althoughhistheoryhasbeendismissedbyscholars，itshowshowpowerfulthesecretsofAncientMayacivilisationareamongpeople．

_______________②Theworkmanwasdisciplinedbythecompanybutnotdismissed．

___________拒绝考虑，否认解雇，开除1．(学会断句)IntriguedbyMayacivilisationfromaveryyoungage，15-year-oldCanadianWilliamGadourythought/hehadmadeanincrediblediscovery/fromhisstudyofancientstarcharts．[分析]本句是一个主从复合句。Intriguedby...为过去分词短语作_________；thought后面为省略that的_________。[翻译]

_______________________________________________________________________________________________原因状语宾语从句十五岁的加拿大少年威廉·甘德瑞自幼便对玛雅文明着迷，他认为自己通过研究古老星象图有了惊人发现。2．(学会断句)Manyscientistsbelieve/thatthesedroughtswerethemainreason/whyMayacivilisationbegantocollapseatdifferentratesindifferentplaces．[分析]本句是一个主从复合句。believe后面为that引导的________，其中why引导定语从句，修饰先行词______。[翻译]

__________________________________________________________________________宾语从句reason许多科学家认为，这些旱灾是玛雅文明在不同地方以不同速度衰落的主要原因。1．(应用文佳句)ExtendingsouthfrompartsofwhatwenowknowasMexicointoCentralAmerica，Mayacivilisationhasbeensurroundedbymysterysinceitsrediscoveryinthe19thcentury．玛雅文明的范围从现今墨西哥的部分区域向南延伸至中美洲。自从19世纪玛雅文明再现，层层迷雾便一直围绕着它。2．(续写佳句)By700AD，Mayacivilisationwasatitspeak．Yet，withinjustacoupleofgenerations，itbegantomysteriouslydecline．到公元700年时，玛雅文明如日中天。然而，仅仅在几代之内，玛雅文明开始神秘地衰落。3．(应用文佳句)ResearchalsosuggeststhatthosenaturaldisastersmayhaveledtothedeclineoftheMaya．研究也表明，那些自然灾害可能导致了玛雅文明的衰落。4．(应用文佳句)Thesedroughtswouldhaveledtofoodshortages，conflictsand，ultimately，thedownfallofthecities．这些旱灾会导致食物短缺、冲突发生，最终导致城市的衰败。Whateverthereasons，Mayacivilisationlargelydisappearedwithinthedeepjungle．Itsonc