By applying optimization techniques commonly used to plan operations, it is possible to determine how much effort ought to be devoted to each of a company’s products in order to meet its goals in both the short and long terms.
A. it is possible to determine how much effort ought to be devoted to each of a company’s products in order to meet its goals in both the short and long terms
B. a company’s managers can determine how much effort should be dedicated to each of the company’s products in order to meet its short and long term goals
C. it can be determined by company managers how much effort ought to be devoted to each of the company’s products in order to meet its goals, both short and long term
D. it may be possible for company managers to determine how much effort should be dedicated to each of these products in order to meet the company’s short and long term goals
E. managers at a company can determine how much effort ought to be dedicated to each of these products in order to meet the company’s goals in both the short and long term
答案选B，可是it 指代什么呀？
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发表于 2010-10-10 13:06:41
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