更多"[单选题] In which voyage,between two p"的相关试题:
[单选题] The shortest distance between any two points on esrth defines a _____.
A. small circle
B. great circle
C. rhumb line
D Hyperbola (双曲线)
[单选题] Lines on a chart which connect points of equal magnetic variation are called ______.
A.Magnetic latitudes
B.Magnetic declinations
C.Dip
D.Isogonic lines
[单选题] The line which connects the points of zero magnetic dip is ______.
A.An agonic line
B.The magnetic equator
C.A magnetic meridian
D.All of the above
[单选题] Which one of two crossing power-driven vessels has the right of way in a fog ________.
A. Both vessels
B. Neither vessel
C. The vessel on portside
D. The vessel on starboard side
[单选题] There are two classes of vessels which,to the extent necessary to carry out their work,do not have to comply with the rule regarding traffic separation schemes.One of these is a vessel ______.
A.engaged in fishing in a traffic lane
B.servicing a submarine cable
C.towing another
D.engaged on pilotage duty
[单选题][单选题]Rh阴性母亲,其胎儿若Rh阳性,胎儿生后易患
A.血友病
B.白血病
C.红细胞增多症
D.新生儿溶血病
E.巨幼红细胞性贫血
[单选题]Rh阴性母亲,其胎儿若为第二胎,Rh阳性,胎儿生后易患的疾病是:
A.血友病
B.白血病
C.红细胞增多症
D.新生儿溶血病
E.巨幼红细胞性贫血
[单选题]RH的提升气体设在( )。
A.下降管
B.上升管
C.下降管和上升管都有
D.上升管或下降管
[多选题]关于Rh血型不合溶血病说法以下哪些正确
A.多在出生后24小时内出现黄疸
B.母亲为Rh阳性不会发生Rh溶血
C.溶血程度较ABO溶血病轻
D.很少在一胎发生溶血
E.进入胎儿的为抗RhD抗体IgM
[单选题]DW60到RH钢水S要求≤( )% 。
A.0.010
B.0.008
C.0.005
D.0.003