It's time to say goodbye ____________ my friends.[ ]
A. of
B. to
C. into
答案：B
急性腹膜炎早期呕吐原因是
A．胃肠痉挛
B．肠梗阻
C．肠麻痹
D．神经性呕吐
E．反射性呕吐
哪类药物易通过直肠黏膜吸收入血
A．非解离型药物B．解离型药物C．季铵类药物D．酸性药物pKа4以下E．碱性药物pKа8.5以上
