阵发性室性心动过速或心室颤动的预兆，下列哪项不正确：

A、三度房室传导阻滞

B、频发性室早

C、两个以上室早相继出现

D、多源性室早

E、心电图表现R波落在T波上

Activity Based Costing (ABC) is an (126) technique that allows an organization to determine the actual (127) associated with each product and service produced by the organization without regard to the organizational structure. This chapter explains some of the uses and benefits of Activity Based Costing. We use IDEFO (128) modeling in conjunction with ABC to enable more effective business (129) design decisions.

In order to achieve the major goals of business process improvement, process simplification and improvement, FAA managers need to fully understand the cost, time, and quality of activities performed by employees or machines throughout an entire organization. ABC methods enable (130) to cost out measurements to business simplification and process improvement.

（127）是（）

A.activity

B.quality

C.cost

D.process