治疗自发性心绞痛最有效的药物是()。
A.硝苯地平
B.氨酰心胺
C.硝酸甘油酯口服
D.普萘洛尔
E.维拉帕米
参考答案:C
敏感性分析中,临界点越高,说明影响项目因素对项目的影响( )。
A.越小 B.越弱 C.越大 D.无变化
My most famous relative of all, _____ who really left his mark on America, was Reb Sussel,
my great-grandfather. [ ]
A. one
B. the one
C. he
D. someone