下面哪个设备不需要插入UPS电源?()
A.显示器
B.激光打印机
C.喷墨打印机
D.外置modem
参考答案:B
患者女性,30岁溺水后出现高热胸痛2天予以抗感染后,效果不佳。2小时前出现呼吸困难,烦躁。查体:R42次/分BP13/10kPa,P110次/分,口唇发绀,两肺可闻及广泛哮鸣音。
若拍片示两肺门旁斑片状渗出,融合成片,吸入氧浓度为40%时,血气:PaO260mmHg,PaCO235mmHg,其氧合指数为()
A.150
B.0.67
C.112.5
D.0.85
E.以上均不对
Last week,we held a party our teacher in primary school. [ ]
A. in face of
B. in need of
C. in memory of
D. in favor of