框式水平仪,其精度()mm
A、0.01~0.04
B、0.02~0.05
C、0.03~0.06
参考答案:B
The UK ______ four parts:England, Scotland, Wales and Northern Ireland.[ ]
A. make up
B. is made of
C. is consisted of
D. is made up of
急性一氧化碳中毒时,首要的治疗方法()
A.20%甘露醇250ml静脉快速滴注
B.ATP注射
C.冬眠疗法
D.血液透析
E.氧气疗法