男性,65岁,突发心悸1天,心率150次/分,心电图示心房颤动。以下用药应作为首选的是()
A.缓释维拉帕米
B.利多卡因
C.毛花苷C
D.硝酸甘油
E.普萘洛尔
参考答案:C
I believe ________ you have tried your best and ________ you can come to the top of the class.
A.that;/
B./; /
C./; that
D.how; that
货舱灭火瓶的位置在()
A.前货舱侧壁
B.后货舱侧壁
C.主轮舱后部
D.空调掺混总管旁