哪些措施是常用的改变消费者态度的行为成分() ["广告","免费试用","降价","搭售"]
下面哪些属于附加产品() ["安装","外观","售后服务","包装","送货和信贷"]
马斯洛的需求层次论从低到高依次为() ["生理","安全","尊重","自我实现","爱与归属"]
术语“设计和开发”可包括()的设计和开发 ["A产品","B过程","C体系","DA+B+C"]
人的记忆系统是由()组成的 ["感觉记忆","短时记忆","长时记忆","永久记忆"]
据果枝节数的遗传特性,通常把棉花的果枝类型分为()、()、()