急性心肌梗死并发心室颤动,应首选()
A.洋地黄
B.利多卡因
C.硝普钠
D.同步电复律
E.非同步电复律
参考答案:E
No one but the experts in this field can _____ the difference between them. [ ]
A. recognize
B. speak
C. spot
D. predict
计算某温度下了某物质的溶解度,溶液必须是( )
A.浓溶液
B.饱和溶液
C.稀溶液
D.不饱和溶液