氧气雾化吸入时,氧流量应调至()
A、0.5L/min
B、1~2L/min
C、2~4L/min
D、6~8L/min
参考答案:D
______I explained on the phone,your request will be considered at the next meeting.
A.Which
B.That
C.What
D.As
黄瓜的果实在发育过程中若环境条件等不适合,常会引起畸形果和苦味的产生。