胸痹心痛之疼痛以胸骨后或心前区发作性闷痛为主,一般不会呈现( )
A.灼痛
B.跳痛
C.绞痛
D.刺痛
参考答案:B
Your project is executed with a globally spread virtual team.The project progress has been found to be too slow.Which measure is most likely to immediately speed up the project ?()
A.Technical training for all team member
B.Daily phone conferences and detailed reportin
C.A team meeting at a location convenient to all team member
D.Collocation of team members at a suitable plac
为使激光束准确跟踪信息纹,采用()伺服达到光束准确跟踪的要求。
A、进给
B、循迹
C、聚焦
D、加载