同类局麻药,哪些生物学特性相同()
A.代谢途径
B.代谢速率
C.代谢方式
D.麻醉方式
E.麻醉效能
参考答案:A, C, E
The president spoke at the business meeting for nearly an hour without _________ his notes.
A.bringing up
B.referring to
C.reacting to
D.trying on