A.An amount equal to the depth of the water
B.Two times the depth of water
C.Three to four times the depth of water
D.Five to seven times the depth of water
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A.Carbon disulfide
B.Ethyl alcohol
C.Isoprene
D.Oleum
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.
最新試題
What is the MOST irritating to the skin?（）
The radiotelephone safety message urgently concerned with safety of a person would be prefixed by the word（）.
Fog forms when the air（）.
The transmission of messages respecting the dangers specified is free（）cost to the ships concerned.
The use of the danger signal（）.
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PAN-PAN repeated three times over the radiotelephone indicates which type of message will follow?（）
There is not（）depth of water around the area centered at the lighthouse.
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.
What are symptom(s) of a ruptured appendix?（）