近代社会以来,使医医关系发生重大变化的主要因素是()
A.医院的出现
B.科学技术的进步
C.医学模式的变化
D.病 * * 利意识的增强
参考答案:A
Lloyd's, an association of London underwriters, developed from a small seventeenth century London coffee house, ______ underwriters at that time met to do business.
A.where
B.in that
C.which
D.that
只用一种试剂,一次性验证铜、铁、银三种金属的活动性强弱,该试剂是( )
A.硫酸铜溶液
B.硫酸亚铁溶液
C.硝酸银溶液
D.稀盐酸