The weather was very cold and it was snowing on the day of my arrival in New York.
参考答案:对
经胎头吸引娩出后Apgar评分为3分。处理措施正确的是()
A.保暖
B.清理呼吸道
C.俯卧位
D.大流量给氧
E.倒悬拍打足底刺激呼吸
SDH的STM-1可复用进()个34Mbit/s。