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单选题
Allowance for fresh water for all freeboards other than timber 25mm. This wording is likely to appear in（）.
A
INTERNATIONAL LOAD LINE CERTIFICATE
B
PASSENGER SHIP SAFETY CERTIFICATE
C
CARGO SHIP SAFETY CONSTRUCTION CERTIFICATE
D
GENERAL DECLARATION
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考题
"Fast-tracked" projects awarded and begun before all planning and risk assessment information is complete and available may _____ .A be completed in reduced overall time than other projects.B be in a higher risk category than other projects.C not be compatible with project risk and assessmentD A and BE All of the above.
考题
178 "Fast-tracked" projects awarded and begun before all planning and risk assessment information is complete and available may _____ .A. be completed in reduced overall time than other projects.B. be in a higher risk category than other projects.C. not be compatible with project risk and assessmentD. A and BE. All of the above
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BThe world is not only hungry，it is also thirsty for water． this may seem strange to you，since nearly 75% of the earth is covered with water． But about 97% of this water is sea water．Man can only drink and use the other 3% fresh water that comes from rivers，lakes，under-ground and other places． And we cannot even use all of that，because some of this fresh water has been made dirty．At the moment，this small amount(数量) of fresh water is still enough for us． However，our need for water is getting greater and greater． Only if we take steps to solve this problem now，we can get away from a serious world water shortage later on． The people of the world cannot have an enjoyable life without enough clean water．On one hand we should stop wasting this little water of ours，on the other hand we should find ways to reuse it，but this has not been done widely．Today，in most large cities，water is used only once and it then returns to the sea or runs into underground places．lf we can make it clean again，it can be used once more just as if it were fresh from a spring．But even if large cities reuse its water，we still would not have enough in the future． Where．could we turn to next for water? To the ocean! How can we do to make use of this great a-mount of sea water? We can take the salt from the water to make it fresh．So if we take all these steps，we'll be in no danger of drying up!( )26． Why does the writer say that the world is thirsty for water?A． The amount of fresh water is really very small．B． The people of the world waste too much water．C． The people of the world have to drink a lot of water every day．D． There are too many people in the world needing water．
考题
We drop a piece of metal into a jar full of water, the metal will float if it weighs less than______.A. an equal amount of silverB. an equal amount of goldC. all the water in the jar nowD. the water that leaves the jar
考题
Common stock gets higher return than any other investment because of ______.A．profits made from buying and reselling stocksB．dividends received from holding the stocksC．tax allowance provided from investing in the stocksD．all of the above
考题
Allowance for fresh water for all freeboards other than timber 25mm. This wording is likely to appear in ______.A.INTERNATIONAL LOADLINE CERTIFICATEB.PASSENGER SHIP SAFETY CERTIFICATEC.CARGO SHIP SAFETY CONSTRUCTION CERTIFICATED.GENERAL DECLARATION
考题
The Certificate of pratique shall only have effect in ______.A.all ports of the issuing countryB.all ports of the worldC.all ports other than a issuing countryD.all ports of ship's arrival
考题
Prior to getting underway in fresh or brackish water，the Master must ______.A.log the density of the waterB.secure all overboard dischargesC.take on fresh water ballastD.clean the sides with fresh water
考题
You are loading in the winter in Albany，N.Y.，for a voyage to a port governed by the tropical load line mark. Which of the following statements is TRUE? (Hydrometer reading in Albany is 1.000)A.You may not exceed the winter load line mark when you finish loading except for the burnout to seaB.You may calculate the burnout necessary to reach the tropical zone and load extra cargo to compensateC.The freshwater allowance and burnout to sea may be subtracted from the required freeboard in AlbanyD.You may load to the winter mark less the fresh water allowance if you will be at the tropical mark upon arrival in the tropical zone
考题
______is the number of millimeters by which the mean draft changes when a ship passes from salt water to fresh water，or vice versa，whilst floating at the loaded draft．A.TPCB.The Fresh Water AllowanceC.Parallel sinking of the shipD.UKC
考题
共用题干
What We Take From and Give to the SeaAs long as we have been on earth,we have used the sea around us.We take things from the ocean,and we give to it.We take fishes from the ocean-millions of kilograms of fish,every year,to feed millions of people.______(46)We take minerals from the ocean.One way to get salt is to place seawater in a shallow basin and leave it until it evaporates.______(47) Much gold and silver drift dissolved in the waters of the sea,too.But the sea does not give them up by simple evaporation.Other gifts from the sea are pearls,sponges and seaweed.Pearls become jewelry.______(48)Seaweed becomes food of many kinds-even candy,and ice cream-as well as medicine.Believe it or not,fresh water is another gift from the sea.We cannot drink ocean water.______(49)But ocean water becomes fresh water when the salts are removed.In the future,we will find ourselves depending more and more on fresh water from the sea.The sea gives us food,fertilizer,minerals,water,and other gifts .What do we give the sea?Garbage.______(50)Huge as it is,the ocean cannot hold all the water we pour into it. Dumping garbage into the ocean is killing off sea life.Yet as the world population grows,we may need the sea and its gifts more than ever.We are finally learning that if we destroy our sea,we might also destroy ourselves.Hopeful-ly,it is not too late.______(48)A: Natural sponges become cleaning aids.B: We pollute the ocean when we use it as a garbage dump.C: The area of the sea is becoming smaller and smaller.D: Along with salt,other minerals are left after evaporation.E: We even use their bones for fertilizer.F: Some of its contents may cause illness.
考题
The water we drink and use is running short in the world.We all have to learn how to stop wasting our limited water.One of the steps we should take is to find ways of reusing it.Experiments have already been done in this field.
Today in most large cities,fresh water is used only once,then it runs into waste system.But it is possible to pipe the used water to a purifying factory.There it can be filtered and treated with chemicals so that it can be used again,just as it were fresh from a spring.
But even if every large city purified and reused its water,we still would not have enough.Then we could turn to the oceans.All we’d have to do to make use of the seawater on earth is to get rid of the salt.This process is called desalinization,and it is already in use in many parts of the world.
The way to stop wasting our limited water is to________.A.do experiments with water
B.purify the used water and reuse it
C.use fresh water once again
D.make use of seawater
考题
水泥涂料用于淡水舱和双层底舱。（）A、Primer is used for sea water tanks and double bottom tanks.B、Cement wash is used for fresh water tanks and double bottom tanks.C、Varnish is used for fresh water tanks and double bottom tanks.D、Bitumen is used for fresh water tanks and double bottom tanks.
考题
单选题The object of plugging holes below the waterline on a ship should be to（）.A
eliminate all water entering the holeB
only plug holes in machinery or other vital spacesC
reduce the entry of water as much as possibleD
plug the largest holes first
考题
单选题Allowance for fresh water for all freeboards other than timber 25mm. This wording is likely to appear in （）.A
INTERNATIONAL LOADLINE CERTIFICATEB
PASSENGER SHIP SAFETY CERTIFICATEC
CARGO SHIP SAFETY CONSTRUCTION CERTIFICATED
GENERAL DECLARATION
考题
单选题We use （） to distill fresh water from sea water.A
engineB
sea water pumpC
cylinder coolerD
fresh water generator
考题
单选题The fresh water generator produces fresh water （）.A
by cooling sea waterB
by heating sea waterC
by evaporation of sea waterD
by purifying sea water
考题
单选题（） water is more expensive than fresh water It has high specific heat and low viscosity.A
DistilledB
DistillingC
BoilingD
Boiled
考题
单选题（） is used for cylinder and cylinder head, the salt water is used for cooling the lubricating oil, the fresh water in the coolers and the charging air in the air cooler.A
The fuel oilB
The lube oilC
The sea waterD
The fresh water
考题
单选题In a diesel engine jacket water cooler, with seawater cooling the fresh water, the（）A
sea water temperature must never be warmer than 40℃B
jacket water pressure should always be greater than the sea water pressureC
jacket water temperature must always be less than 60℃D
jacket water pressure must always be less than the sea water pressure
考题
单选题To clean a dirty fiber towing hawser used in ocean towing，you should（）.A
use lye or other mild detergentB
wash it with fresh water，dry and store itC
wash it with salt waterD
use cleaning fluid on nylon，dacron and other synthetic lines
考题
单选题In motorships，there are two main circuits, （）.A
one salt water, one fresh waterB
one salt water, one fuelC
one fresh water, one fuelD
one steam, one fuel
考题
单选题In a central cooling system, used in some modem ships, sea water is supplied to cool （）which will circulate to other individual cooler, greatly reducing the corrosion problems.A
main bearingsB
sea waterC
cooling oilD
lower temperature fresh water
考题
单选题Allowance for fresh water refers to（）.A
the provision to be provided when the vessel sails in fresh water areaB
the fresh water to be carried by a vesselC
the allowance of fresh water for each crew member when in distress at seaD
the amount of free board decreased when sailing in fresh water area
考题
单选题Prior to getting underway in fresh or brackish water，the Master must（）.A
log the density of the waterB
secure all overboard dischargesC
take on fresh water ballastD
clean the sides with fresh water
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