胰岛α细胞产生() ["胰高血糖素","促胰液素","生长素","胰岛素","生长抑素"]
假定其他因素既定不变,在非凯恩斯陷阱中,货币供给增加时,()。 ["利率将上升","利率将下降","利率不变","利率可能下降也可能上升"]
诊断下呼吸道感染时,痰细菌定量培养分离病原菌数需() ["≥103cfu/ml","≥104cfu/ml","≥105cfu/ml","≥106cfu/ml","≥107cfu/ml"]
因旅客托运行李的密码锁失效,在办理乘机手续时拴挂有免除责任行李牌,如到达目的地后,对于(),承运人可免除相应责任。 ["A、行李错运","B、行李丢失","C、行李晚到","D、内物遗失"]
2009年公布的《国家基本药品目录》(基层医疗机构用)化学药品共有多少种() ["2033种","205种","102种","1260种","773种"]
发生赤潮的根本原因是什么?