心肌梗死24小时内并发急性左心衰竭时,最不宜应用
A.利尿剂
B.吗啡
C.洋地黄
D.硝酸甘油
E.多巴酚丁胺
参考答案:C
I will go to Beijing on business tomorrow, do you have anything ____ to your son studying in Peking University?
A.to be taken
B.to take
C.taken
D.being taken
牵引变电所使用过的工作票保存时间不少于()
A.1个月
B.3个月
C.40天
D.2个月