【单选题】基于网络信息资源需求的信息服务模式正处于新的变革之中,未来的发展趋势有:
A.
从分布向集成环境协调转变——例如:ERP系统的发展
B.
从信息服务向知识服务转变——例如:知识付费服务的兴起
C.
从静态服务向动态服务转变——例如:电话缴费从线下到线上
【单选题】Why did the King of Brobdingnan refuse to lean how to make gunpowder?
A.
Because he thought it was too difficult to make gunpowder.
B.
Because he was once hurt by gunpowder.
C.
Because he didn't believe in Gulliver.
D.
Because he didn't want to know how to murder people using powder.
【判断题】生产作业中,作业人员能否接收到必要的信息,并作出快速、准确的识别和判断往往成为决定操作行为安全与否的至关重要的因素。
【单选题】病人女,48岁,右上腹阵发性绞痛伴右肩背部放射痛,查体:右上腹有压痛,墨菲征阳性,首选的辅助检查是
【单选题】病人,女,48岁。右上腹阵发性绞痛伴右肩背部放射痛。查体:右上腹有压痛, Murphy征阳性。首选的辅助检查是