怀疑脊柱骨折时,正确的搬运姿势是()。
A.数人平托
B.平背
C.搂抱
D.一人抬头,一人抬足
E.坐轮椅
参考答案:A
在网络系统中,进线间应设置防有害气体措施和通风装置,排风量按每小时不小于()次容积计算。
A.5
B.6
C.7
D.8
She felt _____ of having asked such a silly question when the audience couldn't help laughing.
[ ]
A. guilty
B. crazy
C. miserable
D. ashamed