全球科技领域的竞争将更加激烈,()和()都力争在新一轮的科技创新革命中抢占制高点。 ["第三世界国家","发展中国家","南半球国家","发达国家"]
患者女性,60岁,在地上滑倒,造成股骨近端骨折。预后最差的是下列哪种骨折类型() ["粗隆下","基底型","经颈型","头下型","粗隆间"]
下面属于加快文化体制机制改革创新措施的是()。 ["构建现代文化产业体系","广泛开展群众性文化活动","把经济效益放在首位","健全现代文化市场体系"]
某一符合米曼方程的酶,当[S]=2Km时,其反应速度V等于() ["Vmax","2\/3Vmax","3\/2Vmax","2Vmax","3Vmax"]
人体各组织系统,对缺氧最敏感的器官是() ["心","肝","肾","脑组织","脾"]
吸附架桥