Focusing disproportionate effort on high-profit customers will lead to lower customer profitability for those customers.
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Frequency programs are designed to reward customers who buy often and in substantial amounts.
A. 对
B. 错
关于止咳平喘药的选择用药，正确的有
A. 肺热肺火咳喘选用马兜铃、枇杷叶
B. 邪实壅肺的咳喘实证选用桑白皮、葶苈子
C. 肺燥久咳选用紫菀、款冬花
D. 肺虚久咳选用白果
E. 肺气上逆咳喘选用苏子、苦杏仁
It's often easier to re-attract ex-customers than to find new ones because the company knows their names and histories.
A. 对
B. 错
关于川贝母、浙贝母的说法正确的有
A. 均为治疗热痰、燥痰的常用药
B. 均能散结消肿，用于治疗瘰疬
C. 川贝母偏于甘润，浙贝母偏于苦泄
D. 浙贝母又称象贝
E. 川贝母宜用于久咳劳嗽等内伤咳嗽
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