A cat ____________ fur, paws and tail.[ ]
A. has
B. is
C. have
D. are
答案：A
糖尿病的辅助检查中能反应病人2～3个月血糖总体水平的是( )
A．空腹血糖B．糖耐量试验C．血浆胰岛素和C肽测定D．糖化血红蛋白E．果糖胺
镜下胃溃疡底部可分为哪几层？
