伤口两侧出现胶原纤维连接在()
A.伤后24~48小时
B.伤后2~3天
C.伤后5~7天
D.伤后2周
E.伤后1个月
参考答案:C
确诊有机磷农药中毒的客观依据是()
A.血液碳氧血红蛋白测定阳性
B.心电图ST-T段改变
C.全血胆碱酯酶活力低于70%
D.脑电图有缺氧性脑病的波形
E.血气分析PaO2<60mmHg,PaCO2>50mmHg
--- Hello! Friendship Hotel. Can I help you?
--- Do you have a room with a double bed ____________ for this Saturday?
A.available
B.empty
C.possible
D.useful