A.Carbon disulfide
B.Ethyl alcohol
C.Isoprene
D.Oleum
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A.distance
B.largeness
C.diameter
D.measurerment
A.Hoist the boat clear of the cradle
B.Release the outboard part of the cradle
C.Rig the tricing lines
D.Crank the crescent out
A.Distance line
B.Gantline
C.Heaving line
D.Tag line
A.The efficiency increases
B.The efficiency decreases
C.The efficiency remains the same
D.The efficiency cannot be determined.
A.Shuga
B.Floe
C.Spicule
D.Bergy bit
最新試題
We have no steel wire．You had better（）us one.
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Fog forms when the air（）.
The best method to stop a vessel from dragging anchor in a sand bottom is to（）.
There is something wrong with our radar．All kinds of objects can’t be clearly（）within the definite range.
Which is NOT a distress signal?（）
What does the term TO NAVIGATE WITH CAUTION mean?（）.
There is plenty of（）at this area.
In radiotelephone communications，the prefix PAN-PAN indicates that（）.
What form of ice is of land origin?（）