照明排烟类器材包括哪几种:()。
A.移动照明灯组
B.移动式排烟机
C.液压机动泵
D.坑道小型空气输送机
E.移动发电机
参考答案:A, B, C, D
It's very difficult to satisfy the manager for he has already________ three applicants this morning.[ ]
A. turned away
B. turned out
C. turned to
D. turned off
患儿,2岁,反复阵发性咳嗽,发热4天,X线拍片见左肺全肺不张,其最可能诊断应是()
A.支气管肺炎
B.脓胸
C.胸膜炎
D.支气管异物
E.肺肿瘤