50dBm等于()。
参考答案:100W
If you _____ him tomorrow, please ask him if he _____ to work on the farm with us. [ ]
A. see; goes
B. will see; goes
C. will see; will go
D. see; will go
炎区血管壁通透性增高的机制是()。
A.内皮细胞收缩
B.穿胞作用增强
C.内皮细胞损伤
D.新生毛细血管高通透性
E.以上均是