治疗阵发性室上性心动过速宜用:
A.氟桂嗪
B.尼莫地平
C.氨氯地平
D.维拉帕米
E.硝苯地平
参考答案:D
生活在距今约4万年以前的山顶洞人属于( )
A.智人
B.直立人
C.能人
D.现代人
—Is there any hope of saving his life?
—His injuries are extremely serious, but he’s expected to ____.
A.pull in
B.pull through
C.pull up
D.pull over