银行家算法是操作系统设计中避免死锁的方法之一。
参考答案：UNKNOWN
Our nerghbors gave _____ a baby bird yesterday that hurt ______ when it fell from its nest.
A．us, it
B．us, itself
C．ourselves, itself
D．ourselves, it
思想政治教育通常采取的“三种形式”？
