心肺复苏后循环功能不足应采取()
A.降温、脱水
B.纠正低血压、强心
C.纠正酸中毒
D.高压氧舱治疗
E.常规给氧
参考答案:B
This map is drawn to the _______ of one inch for 1000 miles, so you can find out how far it is from Beijing to Shanghai.
A.route
B.line
C.scale
D.rate
在计算机仿真实验中,光电管的反向伏安特性曲线存在()
A.截止电压
B.截止电流
C.饱和电流
D.饱和电压