单项选择题

下列( )的发生直接威胁到海湾地区和印度洋地区的安全。

A.古巴导弹危机
B.苏联出兵阿富汗
C.修筑“柏林墙”
D.美国发动侵越战争
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单项选择题
管理的控制职能是对计划、组织、领导等管理活动及其效果进行衡量和校正,并确保组织的目标和为此制定的计划得以实施的一项管理职能。( )
A.正确
B.错误
单项选择题
As to the survival mechanism of the brain,().

A.bad news affects people the most
B.no news makes people feel much well
C.good news often leaves a short memory in brain
D.goods news holds more attention from people

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