急性心肌梗死第一天发生的多源性室性早搏,应首选()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:B,E
Some students in Shanghai _______ e-bags for several months.[ ]
A. have
B. have had
C. had
D. will have
使工作单边延伸变薄而弯曲成型的方法,称为收边