木龙骨吊顶钉中间部分的次龙骨时,要按规定调整主龙骨的起拱高度,一般0~15m跨度的房间起拱()。
A. 1‰
B. 3‰
C. 5‰
D. 7&permil
经销商、改装厂接到分配的待回访客户信息后于3日内完成客户回访计划的制定,若为完成择将考核()
A. 1000元/天
B. 2000元/天
C. 对信息进行重新分配
D. 100元/天
出生0~3个月的听力正常小儿对()声音会表现眼睛睁开,全身抖动,两手握拳,前臂屈曲(Moro反射)。
A. 30~40dB(A)
B. 50~60dB(A)
C. 70~80dB(A)
D. 80~90dB(A)
E. 90~100dB(A)
While proceeding to a distress site,you hear the words “Seelonce mayday” on the radiotelephone.Which action should you take().
A. Resume base course and speed as your assistance is no longer required
B. Acknowledge receipt and advise your course,speed,and ETA
C. Relay the original distress message as no other vessel has acknowledged it
D. Monitor the radiotelephone but do not transmit