3.While choosing materials, the concern about reducing the amount of energy required for heating and cooling buildings, and also preference for materials and building manufacturing processes that require as little energy as possible are major considerations.
A. 在选择材料的方面,如何减少加热和冷却建筑物使用,以及如何消耗能源较少的建筑材料和建工工艺。
B. 在选择材料时,主要考虑如何减少加热和冷却建筑物时能源的使用,并且偏爱消耗能源较少的建筑材料和建筑工艺
C. 在材料的选择方面,减少加热,减少冷却建筑物,而且选择能源消耗少的建材。