单项选择题

What does the writer say about the consistency of quality in service（）

A．It is impossible.
B．It is likely.
C．It is certain.
D．It is not sure.

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单项选择题

According to the writer, the problem of scheduling services（）

A．involves services performed on a product and on a customer.
B．lies in the sequence of being served.
C．concerns the maximization of production capacities.
D．derives from the complex scheduling process.

单项选择题

According to the writer, the retailer engaged in service retailing（）

A．just sees to it that the service is accomplished.
B．should also investigate customer satisfaction.
C．meets more difficulties than the manufacturer of goods.
D．can turn to experts to better his service.