治疗室性心律失常的首选药物是()
A.奎尼丁
B.维拉帕米
C.普萘洛尔
D.利多卡因
E.胺碘酮
参考答案:D
在世界经济全球化浪潮中影响增大成为主角的是
A.高新科技
B.跨国公司
C.国际和区域性经济组织
D.发展中国家
The fifth edition of Noah Webster's American Dictionary of the English Language _______six months ______ the time previously set. [ ]
A. published; a head of
B. was published; advanced
C. came out; in front of
D. came out; ahead of