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【单选题】
追踪决策是指当原有决策的实施表明将危及决策目标的实现时，对目标或决策方案所进行的一种（ ）A.
暂时性修正13
B.
局部性修正
C.
根本性修正
D.
相对性修正
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举一反三
【单选题】The field of medicine has always attracted its share of quacks and charlatans—disreputable women and men with little or no medical knowledge who promise quick cures at cheap prices. The reasons why qu...
A.
has a special ability
B.
has little knowledge
C.
is not a good doctor
D.
pretends to be a doctor
【简答题】Russia celebrated
【单选题】Which of the following can be inferred about Russia?
A.
Russia needed to compete with other European countries in EMS.
B.
There were no private courier services in Russia.
C.
The postal administration in Russia linked with the network long ago.
D.
Russia was quite hesitant in the international cooperation.
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