禽巴氏杆菌病急性型病理变化是（）。
A.纤维素性肺炎
B.咽峡炎
C.肝脏表面和切面有许多针尖大小坏死灶
D.以上都是
E.以上都不是
参考答案：C
闸机末端显示器装在机柜两端，LED单元安装在一块有色玻璃板后面，玻璃板起机械保护作用。进入”标志是一个左下方45°的（）箭头，“不能进入”标志是一个（）的叉。
During initiation, a project manager is planning the upcoming project execution team meetings. What should the project manager include in these meetings that would have the biggest impact on the project
A．Review of the action item lis
B．Review of identified risk
C．Assignment of tasks to team member
D．Estimating cost
