出血疹多见于（）
A.麻疹
B.血清病
C.流行性出血热
D.风疹
E.水痘
参考答案：C
支持子程序调用的数据结构是
A．栈
B．树
C．队列
D．二叉树
In which of the following organizational structures，do project managers have high or total authority ？（）
A．Functional organizatio
B．Balanced matrix organizatio
C．Matrix organizatio
D．Projectized organizatio
