血清蛋白电泳图中可能出现单克隆区带的疾病有（）
A.多发性骨髓瘤
B.淋巴瘤
C.缺铁性贫血
D.巨球蛋白血症
E.肝硬化
参考答案：A, B, D
The value of a leader is something to be felt and experienced. _____ can it be put into words. [ ]
A. Purely
B. Partly
C. Rarely
D. Gradually
胸外心脏按压时，外周动脉收缩压应大于80mmHg。（）
