【单选题】The company wants to avoid any______questions about its finances.
【单选题】When in sight of another vessel,any action taken to avoid collision must ().
A.
be accompanied by sound signals
B.
not result in another close quarters situation
C.
include a speed change
【判断题】产生的旋转磁场具有两对极(或称四极旋转磁场),即p=2。
【单选题】产生的旋转磁场具有两对极(或称四极旋转磁场),即p为( )。
【单选题】Any action taken to avoid collision shall,if the circumstances of the case admit,______.
B.
be positive and made in ample time
C.
be positive,made in ample time and with due regard to the observance of good seamanship
D.
be positive,made in ample time,with due regard to the observance of good seamanship and avoiding complying with local regulations
【单选题】将教学评价的基准建立在被评价对象的群体和集合之外,把群体中每一成员的某种指标逐一于基准进行比较,从而判断优劣的评价方式是指( )
【单选题】产生的旋转磁场具有两对极(或称四极旋转磁场),即p为多大。
【单选题】从咽漱液中初次分离流感病毒最常接种于( )
【单选题】Since any answer may bring______to his govenrnent the spokesman tried to avoid the question.