下列哪些属于舌下给药的特点()
A.可避免肝肠循环
B.可避免胃酸破坏
C.吸收后首先随血流进入肝脏
D.吸收极慢
E.可避免首过效应
参考答案:A, B, E
When he got ____,he took elephants,camels, lions and monkeys to his wedding.
A.marry
B.married
C.marrying
D.marries
钢丝绳的钢丝破断拉力在公称抗拉强度为1400Mpa时,其近似估算方法为()。
A、Sb=428d2
B、Sb=474d2
C、Sb=520d2
D、Sb=566d2