题目内容

Employees, not the firm's research and development department, are the number one source of ideas for new industrial products.

A. 对
B. 错

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Concept testing involves taking a product idea to consumers to test their reactions.

A. 对
B. 错

Which stage of the product life cycle does rapidly rising sales, very high profit levels, and a growing number of competitors characterize?

A. growth
B. maturity
C. saturation
D. decline

According to the product life cycle model, profits tend to

A. remain relatively constant until the decline stage, when they begin to drop.
B. reach a peak near the end of the maturity stage.
C. rise rapidly during the market preference stage.
D. peak before sales reach their highest level.

While the time in each stage may vary, all products progress through each stage of the product life cycle.

A. 对
B. 错

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