对影像半影模糊的控制阈值为()。
A.0.02mm
B.0.20mm
C.0.25mm
D.0.5mm
E.0.6mm
参考答案:B
The new stadium being built for the next Asian Games will be ______ the present one. [ ]
A. as three times big as
B. three times as big as
C. as big as three times
D. as big three times as
心肌梗死急性期患者,一旦出现室性期前收缩,应首选()
A.普萘洛尔
B.维拉帕米
C.利多卡因
D.地西泮(安定)
E.苯妥英钠