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【单选题】
(Callback)函数是面向过程的程序设计语言中常用的一种机制，而设计模式中的(4)模式就是机制的一个面向对象的替代品。该模式的意图是(5)。A.
Strategy(策略)
B.
Adapter(适配器)
C.
Command(命令)
D.
Observer(观察者)
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【单选题】急性白血病化学治疗后以达到持续完全缓解的指标是
A.
临床上无浸润的症状和体征
B.
血象恢复，无白血病细胞
C.
原始细胞＜5%
D.
骨髓粒、红、巨核三系比例正常
E.
从治疗后完全缓解之日起计算，期间无白血病复发达3年以上者
【简答题】B. Summarizing “ Slaughtering Chickens ” is Charles Finn’s reflection on the first time he 1.____________________________. After having been a vegetarian for several years, he had begun to 2.________...
【简答题】He plans to continue the family _____(custom)and seek a career in politics.
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