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【单选题】
A line of position is ______.A.
a line connecting two charted objects
B.
a line on some point of which the vessel may be presumed to be located
C.
the position of your vessel
D.
not used in a running fix
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【单选题】— Mr. Green gets up very early every morning — Yes, so he always goes to work ______ time . A. on B. at C. next D. this
A.
on
B.
at
C.
next
D.
this
【单选题】下列关于水管锅炉安装的说法,错误的是( )
A.
当采用过渡支座时：锅炉和留有绞磨余量的过渡支座整体吊装上船，定位，画捆身线，割 去过渡支座多余部分，最后将过渡支座焊接到基座上。
B.
若采用调整垫片：锅炉定位完成后，在锅炉支脚与加工过的基座支承面之间配制调整垫片， 用螺栓固定。
C.
锅炉的定位是根据锅炉舱内事先划出的横向和纵向水平线和锅炉上四周划出的水平线之 间的相对关系，以及距船体基座、舱壁等构件的距离而找正的。
D.
无需考虑水平度的问题。
【单选题】--- Mr. Green gets up very early every morning. --- Yes, so he always goes to work ___ time
A.
on
B.
at
C.
in
【单选题】I . 单项选择。 ( )1.— Mr. Green gets up very early every morning. — Yes, so he always goes to work ______ time . A. on B. at C. next D. this
A.
a
B.
b
C.
c
D.
d
【单选题】— Mr. Green gets up very early every morning. — Yes, so he always goes to work ______ time .
A.
on
B.
at
C.
next
D.
this
【简答题】国际标准化组织提出的七层网络模型中,从高层到低层依次是应用层、表示层、 ( ) 、运输层、网络层、 ( ) 及物理层。
【单选题】— Mr. Green gets up very early every morning. — Yes, so he always goes to work ______ time .
A.
this
B.
next
C.
on
D.
at
【单选题】—Mr. Green gets up very early every morning. —Yes, so he always goes to work ______ time.
A.
on
B.
in
C.
next
D.
this
【单选题】—Mr. Green gets up very early every morning. —Yes, so he always goes to work ______ time.
A.
on
B.
at
C.
next
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