典型心绞痛患者含服硝酸甘油后,疼痛应在多长时间内缓解()
A.几秒钟内
B.1~5分钟
C.10~15分钟
D.20分钟左右
E.30分钟以上
参考答案:B
She is considered ___________ the work ahead of time.
A.finishing
B.to finish
C.having finished
D.to have finished
车轴轴身磨伤及击伤深度()mm。