单项选择题

According to the passage, investments in service are comparable to investments in production and distribution in terms of the ______.

A．tangibility of the benefits that they tend to confer.
B．increased revenues that they ultimately produce.
C．basis on which they need to be weighed.
D．insufficient analysis that managers devote to them.
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单项选择题
The discussion of the regional bank serves which of the following functions within the passage as a whole
A．It describes an exceptional case in which investment in service actually failed to produce a competitive advantage.
B．It illustrates the pitfalls of choosing to invest in service at a time when investment is needed more urgently in another area.
C．It demonstrates the kind of analysis that managers apply when they choose one kind of service investment over another.
D．It provides an example of the point about investment in service made in the first paragraph.
单项选择题
Which of the following, if true, would most dearly have supported the conclusion referred to in lines 9—12
A．Ratings of productivity correlated highly with ratings of both accuracy and attendance.
B．Electronic monitoring greatly increased productivity.
C．Most supervisors based overall ratings of performance on measures of productivity alone.
D．Overall ratings of performance correlated more highly with measures of accuracy than with measures of productivity.
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