下列镇静催眠药,按照药物妊娠毒性分级,不属于D类的药物是()
A.硝西泮
B.氯氮
C.苯巴比妥
D.甲丙氨酯
E.阿普唑仑
参考答案:C
先天性胆总管囊肿发病机制中最新学说是
A.胚胎期胆道上皮增生
B.先天性神经节细胞缺乏
C.宫内胆管性肝炎
D.胰胆管解剖畸形,使胰液向胆道反流所致
E.宫内缺氧
He is a student and_______ name is Maria. [ ]
A. he
B. his
C. him
D. her