A.if
B.how
C.why
D.unless
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A.it
B.you
C.this
D.that
A.properties
B.natures
C.kinds
D.particulars
A.infection
B.functioning
C.effecting
D.affection
A.take
B.bring
C.carry
D.get
A.is not visible
B.are not invisible
C.are not visible
D.can easily be seen
最新試題
I have（）below water line.
ANCHOR IS ACROSS means that（）.
HARD RIGHT RUDDER means（）.
My anchor is clear（）the bottom.
MV Utopia may conduct the following operations to stop listing except to（）.
I have pleasure in informing you that all safety equipment is in（）working order.
I can not take any actions to avoid close quarters situation with you，because your navigation lights（）.
My Deratization Exemption Certificate will（）by the end of this month.
I（）having your approval for the routine maintenance at your earliest convenience.
A mooring line leading 45°to the keel，used to check forward or astern movement of a vessel，is called a（）.