病人四肢厥冷、脉微细和尿量少时，可继续使用血管收缩剂来提高血压。
参考答案：错
Your company CEO just sent you an E-mail asking you to make a presentation on your project，which has been in progress for 18 months，to all identified internal and external stakeholders．He scheduled the presentation for next Monday．You expect more than 50 people to attend．The first step in preparing the presentation is to______．
A．define the audience
B．determine the Objective
C．decide on the general form of the presentation
D．plan a presentation strategy
什么是安全管理？
