压井管汇、节流管汇、高压闸门组等处应设臵()标志
参考答案:禁止乱动阀门
We must tell hunters _____ wild animals. [ ]
A. to continue hunting
B. to stop to hunt
C. don't continue hunting
D. not to continue hunting
患儿男,生后2天,出生体重为2400g。因吸入性肺炎入院,入院时患儿呼吸急促,口唇稍发绀。即置于辐射保暖床上抢救。
该患儿吸氧的流量应选择每分钟为()
A.1L
B.2L
C.3L
D.4L
E.5L