题目内容：
根据材料请回答The adobe dwellings(土坯房）___61___(build) by the Pueblo Indiansof the American Southwest are admired by even ___62___ most modern of architects and engineers. In addition to their simple beauty, what makes the adobe dwellings admirable is their __63___(able) to “air condition”a house wathout ___64__（use）exectic equipment.Walls made of adobe take in the heat from the sun on hot days and give out that hert__65___（slow）during cool nights，thus warning the house. When a new day breaks, the walls have given up their heat and arenow cold enough __66 _ (cool) the house during the hot day: __67__ the same time, theywarm up again for the night This cycle __68 __ (go) day after day: The walls warm upDuring the day and cool off during the night and thus always a timely offset（抵消）for theoutside temperatures. As __69__(nature) architects, the Pueblo Indians figured out exactly__70__thick the adobe walls needed to be to make the cycle work on most days.
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