its power source
its driving system
its monitoring system
its seating capacity
第1题:
To round is to delete or(66)one or more of the least significant digits in a positional(67)and to, or not to, adjust the part retained in accordance with some specified rule. The purpose of rounding is usually to limit the (68) of the numeral or to reduce the number of characters in the numeral, or to do both these things.The most common arithmetic forms of rounding are rounding down, rounding up and rounding off. Rounding down is defined as making no adjustment to the part of the numeral that is retained. Rounding up means adjusting the part of the numeral that is retained by adding 1 to the least significant of its digits and executing any necessary carries, if and only if One or more non-zero digits have been deleted. Rounding off (69) adjusting the part of the numeral retained by adding 1 to the least significant of its digits and executing any necessary carries, if and only if the most significant of the digits deleted was equal to or greater than half the(70) of its digit place.
A.simplify
B.reduce
C.abbreviate
D.omit
第2题:
A tug is "in irons" when held in a fixed position by ______.
A.the weight of its tow,its being anchored,or grounded
B.the weight of its towing hawser on the bottom
C.an adverse current
D.lack of power or an engine breakdown
第3题:
Name one major advantage of transporting gas under refrigeration.
A.It increases its volume
B.It reduces its volume
C.It has less product per volume
D.None of the above
第4题:
第5题:
One of its tasks is to get business information and () new business opportunities for its members.
Afinding
Bto find
Cfinds
Dfind
第6题:
Ireland is called the Emerald Isle because of ()
第7题:
directly as its length and inversely as its cross-sectional area
inversely as its length and directly as its cross-sectional area
directly as its length and directly as its cross-sectional area
inversely as its length and inversely as its cross-sectional area
第8题:
the weight of its tow,its being anchored,or grounded
the weight of its towing hawser on the bottom
an adverse current
lack of power or an engine breakdown
第9题:
angel
length
height
angle
第10题:
impatient
terrible
angry
both A and C
第11题:
By its subscriber number
By its call sign
By its MMSI
By its MID
第12题:
its power source
its driving system
its monitoring system
its seating capacity
第13题:
In discussing the U.S. jury system, the text centers on( )
[A] its nature and problents
[B] its characteristics and tradition
[C] its problems and their solutions
[D] its tradition and development

第14题:
CALDOVREP is ______.
A.a pilot station
B.a port
C.a mandatory ship reporting system
D.a vessel commences its voyage from a location beyond one limit of the inshore traffic zone
第15题:
第16题:

第17题:
When the derrick changes its ()(角度), its lifting capacity changes correspondingly.
第18题:
One of its tasks is to get business information and () new business opportunities for its members.
第19题:
diameter of the discharge piping, with all other factors remaining the same
diameter of the suction piping, with all other factors remaining the same
width of the impeller only
diameter of the impeller
第20题:
finding
to find
finds
find
第21题:
The US has cut all its aid.
International donor funds stop completely.
Norway reduces its donation to only $14m.
The US still gives its humanitarian aid to Madagascar.
第22题:
competition
flexibility
complexity
heavy cost
第23题:
He worked for it in the past.
He has used its website before.
He is currently one of its headhunters.
He was disappointed with its service.
第24题:
It increases its volume
It reduces its volume
It has less product per volume
None of the above