对变异型心绞痛最有效的药物是
A.奎尼丁B.利多卡因C.普萘洛尔D.维拉帕米E.阿托品
参考答案:A
有助本病诊断的辅助检查包括
A.腰穿
B.脑电图
C.诱发电位
D.头CT/MRI
E.血清离子
He is student at Oxford University, _____ for a degree in computer seience. [ ]
A. studied
B. studying
C. to have studied
D. to be studying