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【多选题】
流行病学的主要用途是( )A.
探讨病因及流行因素
B.
评价预防措施的效果
C.
描述疾病与健康状况的分布特点
D.
评价某疗法的疗效
E.
促进有关学科的发展
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反馈参考答案：
举一反三
【判断题】The first step in the control process is comparing actual performance against a standard.
A.
正确
B.
错误
【单选题】A limitation of comparing a company's performance against actual results of last year is that:
A.
It includes adjustments for future conditions
B.
Past results can contain inefficiencies of the past year
C.
The budgeting time period is set for one year
D.
Feedback is no longer a possibility
【单选题】Comparing actual performance against standards is an example of which function of the management process?
A.
planning
B.
organizing
C.
leading
D.
controlling
【单选题】Comparing budgeted costs to actual costs helps managers to improve ________.
A.
coordination
B.
control
C.
implementation
D.
planning
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