【简答题】A.They tolerate distractions. B.They often find themselves in hot water. C.They are generally lazy. D.They are critical to family life.
【判断题】They often climing the mountainl.()
【判断题】百日咳鲍特菌生长缓慢,无菌落生长的标本至少要培养7天方可判定为阴性。
【简答题】水电站厂房的设备组成可划分为五个系统:________,____________,___________,机械控制设备系统和辅助设备系统。