InChina,aselsewhere,the__1__theperiodthemoreimportantarchaeological(考古)evidenceistoourunderstandingof__2__lifewaslike
Forperiodsbefore__3__,survivingartifacts(人工制品)offeracrucial(决定性的)correctivetolegendandmyth
__4__,evenafterwritingwasinvented,formanycenturiesthetypesoftextsthat__5__areverylimited,sothatthereisstill__6__tolearnfromartifacts
Scientificallyexcavated(发掘古物)objectscanbeplacedmoreaccuratelyintimeandplacethanearlytexts,whichoften__7__aprocessofaccretion__8__,withmanypassages__9__later
ThousandsofearlyarchaeologicalsiteshavebeenexcavatedinChina,mostof__10__graves
__11__fromthisarchaeologicalevidenceisatleastas__12__aslearningfromtexts
Theobjectsare__13__--wemustaskquestionsofthem__14__theycantellusanything
Thisunit__15__summariesoffivearchaeologicalsites,__16__indatefromabout2300BC