（）是为补偿房间失热而需向房间供应的热量。
参考答案：热负荷
Only when I left my parents for Italy how much I loved them. [ ]
A. I realized
B. I had realized
C. had I realized
D. did I realize
治疗气血两亏证选用八珍汤时，可加少量（）
A．肉桂
B．天冬
C．牛膝
D．胡黄连
