If the metacenteroic height is large,a floating vessel will（）. ["be tender","have a slow and easy motion","be stiff","have a tendency to yaw"]
企业采取种种方法，为现有产品寻求新客户，开拓新市场，称为（）。 ["市场渗透","产品开发","市场开发","多角化经营"]
在创业必备的素质中，对创业者来说要求最高的是（）。 ["创业知识","创业人格","创业意识","创业心理品质"]
某产品的市场中，居于前三位的企业的市场占有率分别为25％、20％和15%，三头企业的相对市场占有率是（）。 ["1.25","0.75","1.20","0.60"]
If the metacenteroic height is small,a floating vessel will（）. ["be tender","have a quick and easy motion","be stiff","yaw"]
闭经的概念及分类，青春期闭经多见于哪一类？
