下列数据库中,侧重报道药物文献的数据库是()。
A、MEDLINE
B、EMBAse
C、IPA
D、CBMDISC
参考答案:B, C
下列指标中不属于数值变量的是()
A.红细胞计数
B.男婴呼吸频率
C.脉搏数
D.男婴出生比例
E.血压
During a fire drill on a ship,what action is required?()
A.Start each fire pump
B.Launch and run a lifeboat
C.Inventory rescue and fire equipment
D.Inspect fire hoses