【单选题】Vessels having main engines arranged for air starting are to be provided with at least__.
A.
one automatic drain serving both containers
B.
two air starting containers of approximately equal size
C.
one control air container and one starting air container
D.
one additional means of starting the main engine
【单选题】_____ can be found on most medium to large merchant vessels even if the main engine is either a steam turbine or 2-stroke crosshead engine.
A.
The medium speed 4-stroke trunk piston engine
B.
The low speed 2-stroke crosshead engine
C.
The medium speed 2-stroke crosshead engine
D.
The low speed 4-stroke trunk piston engine
【简答题】Having mentioned the main problem, ____________ (他接着谈起其他较次要的事情).
【单选题】桂枝助卫阳,白芍敛营阴,二者配伍的意义在于
【单选题】What is the main function of lymphatic vessels?
B.
Carry O 2 to tissue cells
C.
Filter harmful particles out of lymph
D.
Drain extra IF away from the tissues of the body
【判断题】单轴跟踪系统的跟踪精度以入射阳光射线与接收平面法线在跟踪方向的夹角来标识。
【简答题】社会工作行政是将社会政策转化为( )的过程
【单选题】____ are increasingly used as main engine on merchant vessels, because they have a high Hp/Weight ratio.
A.
Slow speed diesel engines
B.
Medium-speed diesel engines
【多选题】社会工作行政是把服务机构的社会政策转化为社会服务的行为。其将社会政策变为社会服务的过程分为( )。
A.
对青少年社会问题进行调研,并形成青少年社会问题情况报告
B.
根据青少年发展需要以及青少年政策要求,制定青少年服务发展规划和政策
C.
把规划和政策化为具体的青少年服务活动;同时根据实际服务过程归结经验并修改机构服务规划和政策
D.
建立机构内部管理制度、机制和程序,保证青少年服务的正常有效进行
E.
对已经实施过的多项青少年社会工作过程进行研究
【单选题】Vessels having main arranged for air starting are to be provided with at least___.
A.
One automatic drain serving both containers
B.
Two air staring containers of approximately equal size
C.
One control air container and one starting container
D.
One additional mean of stating the main engine