Producers often shift some functions to intermediaries. Which of the following is the most significant benefit of doing this?
A. It increases customer loyalty.
B. It provides the producer with greater control over operations.
C. It reduces the amount of direct customer interaction.
D. It lowers the producer's costs and prices.
查看答案
Which of the following is the most accurate description of a value network?
A. a system of organizations and resources involved in moving a product from supplier to customer
B. a system of partnerships and alliances that a firm creates to source, augment, and deliver its offerings
C. a network that allows an organization to take the finished products to the end-users
D. a communication network that allows an organization to transfer information to end-customers
药物产生副作用的药理基础是：
A.用药剂量过大
B.药理效应选择性低
C.患者肝功能不良
D.用药剂量不足
评价药物作用强度的指标是：
A.LD50和ED50
B.最小有效量和最小中毒量
C.效价强度和效能
D.治疗指数和安全范围
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