急性炎症早期和急性化脓性炎症时,主要渗出的炎性细胞()
A.淋巴细胞
B.浆细胞
C.嗜中性粒细胞
D.嗜酸性粒细胞
E.上皮样细胞
参考答案:C
230. The little boy likes plane models very much. He wants to be a _______and fly a plane into the sky when he grows up.
A.driver
B.pilot
C.designer
D.Producer
有呕血一定是上消化道出血,上消化道出血一定有呕血。()