关于运行中的电动机和点亮的白炽灯，以下说法中正确的是[ ] A．电动机和白炽灯的

（）通常是飞机产品责任保险的被保险人。

A.飞机的经销商

B.航空公司

C.乘机旅客

D.飞机的生产制造商

论述300MW机组锅炉主要参数变化对供电煤耗的影响。

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) . In a workflow system, a process is specified using the process definition tool. Usually, processes are defined in terms of a (3) , which consists of (4) indicated using a circle, and (5) shown as a rectangle. These two components can be linked by means of a directed arc.

1（）

A．evolutionary model

B．workflow reference model

C．waterfall model

D．spiral model

如果装有放射源的井下仪器落井，首先要向公司应急办公室报告，报告的内容有哪些？

952年6月10日，毛 * * * * 为新中国体育题词（）。

A.“友谊第一，比赛第二”

B.“好好学习，天天向上”

C.“发展体育运动，增强人民体质”

D.“胜不骄，败不馁”