病毒性肺炎的主要诊断依据是()
A.淋巴细胞、单核细胞浸润
B.肺毛细血管床减少、闭塞
C.肺泡壁毛细血管扩张、充血
D.肺泡性肺炎
E.上皮细胞内病毒包涵体
参考答案:E
Auckland is called "the city of sails" because it has ____ boats than any where else in the world. [ ]
A. more
B. many
C. much
D. most
在闭眼的情况下,角膜所需要的氧气主要来源于()
A、睑结膜血管
B、房水
C、角膜缘部血管
D、角膜