熟料冷却的意义？
参考答案：
提高熟料质量；回收热量，降低热耗；改善熟料易磨性，提高水泥磨产量；便于储存和运输。
If _________, he promised that he would try his best to improve people's living conditions. [ ]
A. being elected
B. to be elected
C. having elected
D. elected
小陷胸汤的君药是（）。
