请帮忙给出正确答案和分析,谢谢!
第1题
The center of flotation of a vessel is ().
A.The center of volume of the immersed portion of the vessel
B.The center of gravity of the water plane
C.That point at which all the vertical downward forces of weight are considered to be concentrated
D.That point at which all the vertical upward forces of buoyancy are considered to be concentrated
第2题
The center of the underwater volume of a floating vessel is the ().
A.Center of buoyancy
B.Center of flotation
C.Uncorrected height of the center of gravity of the vessel
D.Center of gravity of the vessel corrected for free surface effects
第3题
(A paragraph) is a portion of a text (consists of) one or more (sentences) (related to) the same idea.
A.A paragraph
B.consists of
C.sentences
D.related to
第4题
(A paragraph) is a portion of a text (consists of) one or more (sentences) (related to) the same idea.
A.A paragraph
B.consists of
C.sentences
D.related to
第5题
A.geometric center of the waterplane area
B.intersection of the vertical centerline and line of action of the buoyant force
C.center of gravity of the vessel corrected for free surface effects
D.geometric center of the displaced volume
第6题
At all angles of inclination, the metacenter is ______.
A.vertically above the center of buoyancy
B.vertically above the center of gravity
C.at the intersection of the upright vertical centerline and the line of action of the buoyant force
D.at the geometric center of the underwater volume
第7题
A、operator
B、call center
C、outside line
D、telephone
第8题
A.The logical volume is created first.
B.The physical volume will be automatically created.
C.The physical partition must be specified as an option.
D.The file system will be mounted during the time of creation.
第9题
A、Europe
B、Peloponnese Peninsula
C、Asia Minor
D、Greece
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