生活热水负荷的计算主要涉及两个重要参数,即( )。
A.水温和热水用水标准
B.人口规模和水温
C.生活水平和热水用水标准
D.人口规模和生活水平
参考答案:A
Most of the big hotels were full at this time of the year, but finally we _____ find a room in one of those
small guesthouses near the station. [ ]
A. ought to
B. could
C. were able to
D. might
喷码机(喷墨打印机)