伤寒皮疹的特点有()
A.多见于病程第7~13天
B.直径2~4mm
C.多在10个以上,分批出现
D.多分布于胸腹部
E.多在2~4天内消退
参考答案:A, B, C, D, E
________ what would happen, none of them could find a way out. [ ]
A. Left wondering
B. Having left wondering
C. Leaving to wonder
D. Having left to wonder
以下哪项不是胰腺的组织结构与功能特点 ( )
A.DNA酶和RNA酶是胰腺泡细胞分泌的消化酶成份
B.胰蛋白酶原和胰糜蛋白酶原在进入胃腔后被胃酸激活,才有活性
C.胰腺腺泡无肌上皮细胞
D.胰岛细胞功能降低,可致糖尿病