【题目】 阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。
The adobe dwellings (土坯房) （build）by the Pueblo Indians of the AmericanSouthwest are admired by even most modern of architects and engineers. In addition to their simple beauty, what makes the adobe dwellings admirable is their (able) to “air condition” a house without ( use) electric equipment. Walls made of adobe take in the heat from the sun on hot days and give out that heat ( slow) during cool nights, thus warming the house. When a new day breaks, the walls have given up their heat and are now cold enough (cool) the house during the hot day; the same time, they warm up again for the night. This cycle (go) day after day: The walls warm up during the day and cool off during the night and are thus always a timely offset(抵消) for the outside temperatures. As (nature) architects, the Pueblo Indians figured out exactly thick the adobe walls needed to be to make the cycle work on most days.

【答案】built；the；ability；using；slowly；to cool；at；goes；natural；how
【解析】土坯房比现在的房子好在冬暖夏凉，现代的建筑师都很羡慕这样的房子不用空调就能很好地调节室内的温度，不过关键是这房子的墙的厚度。
1.built 动词built和定语The adobe dwellings是逻辑上的动宾关系，所以用其过去分词built和后面的by一起做定语。
2.the 形容词最高级 most modern 前加the.
3.ability 代词 their 后接名词，所以用able的名词形式ability.
4.using 介词 without 后接动名词 use 去掉字母e再加-ing.
5.slowly 用 slow 的副词形式和 slowly 修饰动词 give out.
6.to cool 形容词加 enough 后接不定式.
7.at at the same 是固定词组.
8.goes 根据上下文，此处用一般现在时态,这种循环日复一日。
9.natural 形容词做定语修饰名词 architects.
10.how 根据句意，应用 how 修饰形容词architects，连接宾语从句.