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You are about to go to sea and adjust the magnetic compass．To expedite the adjustment at sea，in what order should the following dockside adjustments be made ________．
A.Flinders bar first，then the heeling magnet and spheres
B.Heeling magnet first，then the Flinders bar and spheres
C.Flinders bar first，then the spheres and heeling magnet
D.Spheres first，then the Flinders bar and heeling magnet
参考答案
更多 “ You are about to go to sea and adjust the magnetic compass．To expedite the adjustment at sea，in what order should the following dockside adjustments be made ________．A.Flinders bar first，then the heeling magnet and spheresB.Heeling magnet first，then the Flinders bar and spheresC.Flinders bar first，then the spheres and heeling magnetD.Spheres first，then the Flinders bar and heeling magnet ” 相关考题
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根据上面所给信息，回答下面三个问题：
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共用题干
The SeaWhat do you know about the sea?We know that it looks very pretty when the sun is shining on it.We also know that it can be very rough when there is a strong wind.What other things do we know about it?The first thing to remember is that the sea is very big.When you look at the map of the world you will find there is more water than land.The sea covers three quarters of the world.The sea is also very deep in some places.It is not deep everywhere.Some parts of the sea are very shal-low.But in some places the depth of the sea is very great.There is one spot,near Japan,where the sea is nearly 11 kilometers deep!The highest mountain in the world is about 9 kilometers high.If that mountainwere put into the sea at that place,there would be 2 kilometers of water above it！What a deep place!If you have swum in the sea,you know that it is salty.You can taste the salt,Rivers,which fi0w into the sea.carry salt from the land into the sea.Some parts of the sea are saltier than other parts,There i、one sea,called the Dead Sea,which is very salty.It is so salty that swimmers cannot sink!Fish cannot live in theDead Sea!In most parts of the sea,there are plenty of fishes and plants.Some live near the top of the sca.Othurslive deep down.There are millions of tiny living things that float in the sea.These floating things are so smallthat it is hard to see them.Many fish live by eating them.The sea can be very cold.Divers,who go deep down in the sea,know this.On the top the water may bewarm.When the diver goes downwards,the sea becomnes colder and colder. Another thing happens.When the diver goes deeper,the water above presses down on him.It squeezes him.Then the diver has to wear clothesmade of metal.But he cannot go very deep.Some people who wanted to go very deep used a very strong diving ship!They went down to the deepest part of the sea in it.They went down to a depth of eleven kilometers!The sea is 6 kilometers in depth on average.A:RightB:WrongC:Not mentioned
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共用题干
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共用题干
The SeaWhat do you know about the sea?We know that it looks very pretty when the sun is shining on it.We also know that it can be very rough when there is a strong wind.What other things do we know about it?The first thing to remember is that the sea is very big.When you look at the map of the world you will find there is more water than land.The sea covers three quarters of the world.The sea is also very deep in some places.It is not deep everywhere.Some parts of the sea are very shal-low.But in some places the depth of the sea is very great.There is one spot,near Japan,where the sea is nearly 11 kilometers deep!The highest mountain in the world is about 9 kilometers high.If that mountainwere put into the sea at that place,there would be 2 kilometers of water above it！What a deep place!If you have swum in the sea,you know that it is salty.You can taste the salt,Rivers,which fi0w into the sea.carry salt from the land into the sea.Some parts of the sea are saltier than other parts,There i、one sea,called the Dead Sea,which is very salty.It is so salty that swimmers cannot sink!Fish cannot live in theDead Sea!In most parts of the sea,there are plenty of fishes and plants.Some live near the top of the sca.Othurslive deep down.There are millions of tiny living things that float in the sea.These floating things are so smallthat it is hard to see them.Many fish live by eating them.The sea can be very cold.Divers,who go deep down in the sea,know this.On the top the water may bewarm.When the diver goes downwards,the sea becomnes colder and colder. Another thing happens.When the diver goes deeper,the water above presses down on him.It squeezes him.Then the diver has to wear clothesmade of metal.But he cannot go very deep.Some people who wanted to go very deep used a very strong diving ship!They went down to the deepest part of the sea in it.They went down to a depth of eleven kilometers!Divers have to use a very strong diving ship when they want to go down to the deepest part of the seamainly because it is extremely cold there.A:RightB:WrongC:Not mentioned
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What are you going to do?（）AI'm planning to go to the cinema with my friendBNo, I'm not going to do it.CThank you for asking me about it.DYes, I'll go
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What are you going to do?（）A、I'm planning to go to the cinema with my friendB、No, I'm not going to do it.C、Thank you for asking me about it.D、Yes, I'll go
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You should adjust the mooring lines according to the changes of（）(吃水).A、waterB、draftC、tideD、sea
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单选题Which statement about the Flinders bar of the magnetic compass is CORRECT（）.A
It compensates for the error caused by the vertical component of the Earth's magnetic fieldB
It compensates for error caused by the heeling of a vesselC
It compensates for quadrantal deviationD
It is only needed in equatorial waters
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单选题A: Excuse me, Mr. Black, can you spare me a few minutes? There’s something I’d like to speak to you about. I won’t keep you long. B: ______A
What do you want to talk with?B
Yes, go ahead.C
What’s the matter?D
Oh, nice to see you, John.
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单选题A vessel is heading magnetic east and its magnetic compass indicates a heading of 086°. Which action should be taken to remove this error during compass adjustment?（）A
If the blue ends of the magnets are aft，and the fore-and-aft tray is at the top，you should add some magnets.B
If the blue ends of the magnets are aft you should lower the fore-and-aft trayC
If the blue ends of the magnets are aft，and the fore-and-aft tray is at the top，you should reverse the magnetsD
If the blue ends of the magnets are forward，and the fore-and-aft tray is at the bottom，you should add some magnets
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单选题A vessel is heading magnetic east and its magnetic compass indicates a heading of 086°.Which action should be taken to remove this error during compass adjustment（）.A
If the blue ends of the magnets are aft，and the fore-and-aft tray is at the top，you should add some magnetsB
If the blue ends of the magnets are aft you should lower the fore-and-aft trayC
If the blue ends of the magnets are aft，and the fore-and-aft tray is at the top，you should reverse the magnetsD
If the blue ends of the magnets are forward，and the fore-and-aft tray is at the bottom，you should add some magnets
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单选题According to the passage, _____.A
we should not worry about the transition of the Earth’s magnetic fieldB
the Earth’s magnetic field will not change for at least 2000 yearsC
the Earth’s magnetic field has decreased its strength rapidlyD
the transition of the Earth’s magnetic field can be controlled by modern science
考题
单选题The principal purpose of magnetic compass adjustment is to（）.A
reduce the variation as much as possibleB
reduce the deviation as much as possibleC
reduce the magnetic dip as much as possibleD
allow the compass bowl to swing freely on its gimbals
考题
单选题The principal purpose of adjustment of the magnetic compass is to eliminate（）as far as possible.A
variationB
compass errorC
deviationD
earth's magnetic force
考题
单选题You are about to go to sea and adjust the magnetic compass．To expedite the adjustment at sea，in what order should the following dockside adjustments be made（）.A
Flinders bar first，then the heeling magnet and spheresB
Heeling magnet first，then the Flinders bar and spheresC
Flinders bar first，then the spheres and heeling magnetD
Spheres first，then the Flinders bar and heeling magnet
考题
单选题What are you going to do?（）A
I'm planning to go to the cinema with my friendB
No, I'm not going to do it.C
Thank you for asking me about it.D
Yes, I'll go
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问答题Practice 4 ● There’s a seminar which you planned to attend, but something urgent comes up. ● Write a memo to Christian Armstrong, organiser of the seminar, telling: ● You want to go but have to be absent; ● What affair has caught you. ● Write about 30—40 words.
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单选题Lucy: Where’s Tony this evening? Joe:______ Lucy: Really? What’s the matter with him? Joe: He has the flu. Lucy:______ Joe: I will.A
He’s a little under the weather. ; Tell him I was asking about him.B
He’s at home. ; You should take better care of him.C
He doesn’t like the weather. ; Will you take care of him?D
He’s at work ; Will you go and visit him?
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