急性胰腺炎

A．血氨升高
B．血清淀粉酶升高
C．血钙增高
D．血清促胃液素增高

The（1）is a general description of the architecture of a workflow management system used by the WFMC,in which the main components and the associated interfaces are summarizeD） The workflow enactment service is the heart of a workflow system which consists of several（2）.

空白(1)处应选择（）

A.waterfall model

B.workflow reference model

C.evolutionary model

D.spiral model