高中英语 Unit1 lesson 3 A Volunteer Teacher 课件 北师大版必修1

MongolianTent12InnerMongolia(NeiMongol)isthethefirstnationalautonomousregionestablishedinChina.ItstretchesalongChinasnorthernborderwithMongoliaandRussiaandcoversanoblongareaofover1.28millionsquarekilometers,oneeighthofChina.OfalltheChineseprovincesandautonomousregions,InnerMongoliaisthethirdlargestafterXinjiangandTibet.TheMongolsunitedunderGenghisKhanin1206,andtheirdescendentswentontoconquerthe...