Theadobedwellings(土坯房）___61___(build)bythePuebloIndiansoftheAmericanSouthwestareadmiredbyeven___62___mostmodernofarchitectsandengineers.Inadditiontotheirsimplebeautywhatmak

　　Theadobedwellings(土坯房）___61___(build)bythePuebloIndiansoftheAmericanSouthwestareadmiredbyeven___62___ mostmodernofarchitectsandengineers.Inadditiontotheirsimplebeautywhatmakestheadobedwellingsadmirableistheir__63___(able)to“aircondition”ahousewathout___64__（use）electicequipment.Wallsmadeofadobetakeintheheatfromthesunonhotdaysandgiveoutthatheat__65___（slow）duringcoolnights，thuswarningthehouse.Whenanewdaybreaksthewallshavegivenuptheirheatandarenowcoldenough__66_(cool)thehouseduringthehotday；__67__thesametimetheywarmupagainforthenightThiscycle __68__(go)dayafterday:Thewallswarmupduringthedayandcooloffduringthenightandarethusalwaysatimelyoffset（抵消）fortheoutsidetemperatures.As__69__(nature)architectsthePuebloIndiansfiguredoutexactly__70__thicktheadobewallsneededtobetomakethecycleworkonmostdays.