应调节滴速为
A.10滴/分
B.30滴/分
C.40滴/分
D.45滴/分
E.55滴/分
参考答案:A
解析:小儿行头皮静脉输液时,滴速一般不要超过20滴/分,所以A选项为正确答案。
He fell off his bike yesterday, _____, he wasn't hurt _____. [ ]
A. unluckily; bad
B. luckily ; badly
C. luckily ; bad
D. unluckily; badly
分析在进行木龙骨吊顶安装是,如何做好安全措施?