单项选择题 舅表兄妹X-连锁基因近婚系数是

判断题 小说第⑸段细致描写了老瞎子弹断最后一根琴弦前的心理活动,表现了老瞎子对治好眼睛的渴望,为后文发现“药方”实为一张白纸而蓄势。()

单项选择题 Selecting particular segments of a population of customers to serve is called (     ). A. Value reengineering B. Branding C. Public relationship management D. Target marketing