2023学年完整公开课版一年级英语-BookCulturalrelicsWarmingup

unit1culturalrelicswarmingupinthepast:Toprotectthecountry.now:Aplaceforpeopletovisit.Hewhodoesn’tgoto

isnotatrueman.TheGreatWall

TheGreatPyramidofGiza（吉扎金字塔）ItislocatedinEgyptnow.Itwasagravebuiltforthekingafterhedied.unit1culturalrelicswarmingupinthepast:Toprotectthecountry.now:Aplaceforpeopletovisit.Hewhodoesn’tgoto

isnotatrueman.TheGreatWall

TheGreatPyramidofGiza（吉扎金字塔）ItislocatedinEgyptnow.Itwasagravebuiltforthekingafterhedied.1)worldfamous2)madeofstones;man-made3)alonghistory4)symbolsoftheirculturesandbecometheprideofthecountry5)playedanimportantroleinhistory6)manybigeventshappenedtothemWhatarethesimilarities(相似之处)oftheseculturalrelics?discussionWhatisaculturalrelic?1.

somethingthathassurvivedforalongtime;2.oftenapartofsomethingoldthathasremainedwhentheresthasbeendestroyed;3.ittellspeopleaboutthepast.

whenAccordingtothedefinition(定义),whatcharacteristics(特点)doesaculturalrelichave?

mysterious

preciousoldvaluable

rareculturalrelic………Areculturalrelicsonlyobjectslikevasesorcantheybebuildingstoo?Lookatthepicturesanddiscusswhattheyareandwhethertheyareculturalrelicsornot?MingDynastyvaseTajMahalivorydragonboatMogaoCavesHaveyoueverseenanythingmadeofamber?Haveyoueverheardofamber?Whatisthis?RawamberwithinclusionsWhatisamber?琥珀是史前松树脂的化石。琥珀是由千万年前植物所分泌出来的树脂，经过地壳变动而深埋地下，逐渐演化而成的一种天然化石。形成于4000万年至6000万年前，琥珀的主要成分是碳、氢、氧以及少量的硫，硬度2-3，比重1.05-1.10，熔点150C-180C，燃点250C-375C。琥珀是很“涩”的物质，没有两块琥珀是完全相同的。品种有金珀、虫珀、香珀、灵珀、石珀、花珀、水珀、明珀、蜡珀等，尤以含有完整昆虫或植物的琥珀为珍贵。Canyouimaginewhataroommadeofamberlookslike?RawamberDoyouknowwhatpicturethisis?ApictureoftheAmberRoominStPetersburginRussia

琥珀自古以来，就被人们视为珍宝，公元前四世纪，琥珀曾被希腊人誉为"北部的黄金"，主要加工成各种装饰品。琥珀还是名贵的中药材。《名医别录》中，琥珀被列为上品，具有安神定惊、散淤血、利尿之功能。据明李时珍《本草纲目》记载：琥珀气味甘平、无毒、能安五脏、定魂魄、消淤血、通五淋、壮心明目上、止痛安神、破血生机，治疗心神不宁、失眠多梦、惊风癫痫、月经停闭、小便涩痛、淤血等病，用琥珀冲茶，有镇静之功。

琥珀的药用价值高，在河南西峡尚有一段美好的传说。在唐朝时期，有一位产妇，因产后风而病故，在埋葬时巧遇药王孙思藐，孙发现棺木渗出血液鲜红，滴入地上很快就渗入土中。于是孙医生断定，该妇女生机未尽，尚可