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Heat damage to fuel injection nozzles can be prevented by avoiding （）
A . excessive fuel oil temperature
B . long periods of engine overload
C . metallic contact between nozzles and cylinder heads
D . hard carbon deposit and varnish on the nozzle
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At 0815，visibility is excellent and you can see Montauk Point. Montauk Point Light is（）.
A . shown from a brown tower
B . equipped with a fog diaphone
C . lighted 24 hours
D . is 79 feet (24 meters) high
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The international number，location and/or name，geographical co-ordinates，characteristics and intensity，elevation in metres，range in sea miles and description of structure of a light can be found in（）.
A . Ocean Passages for the World
B . Admiralty List of Radio Signals
C . IALA Maritime Buoyage System
D . Admiralty List of Lights and Fog Signal
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Cargo vessels being navigated，and fitted with emergency lighting and power systems，shall have their emergency systems tested at least once（）.
A . a month
B . in each week
C . in every 6 months
D . in every 12 month
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The Light List shows a lighted aid to navigation on the left bank. This means that the light can be seen on the starboard side of a vessel（）.
A . ascending the river
B . descending the river
C . crossing the river
D . proceeding towards sea
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Sometimes lights are（）by fog，haze，dust，smoke，or precipitation which may be present at the light，or between the light and the observer，and which is possibly unknown by the observer.
A . obscured
B . darkened
C . greyed
D . delighted
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Uncharted lights，fog signals and radar beacon transmissions may be（）near the station.
A . encountered
B . met
C . contacted
D . see
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How is a safe water mark，that can be passed close aboard on either side，painted and lighted?（）
A . Black and white stripes with an interrupted quick flashing light
B . Black and red stripes with a Morse (A) light
C . Black and red stripes with an interrupted quick flashing light
D . Red and white stripes with a Morse (A) light
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Heat damage to fuel injection nozzles on small high-speed diesel engines, can be prevented by（）
A . employing fuel oil as a cooling medium
B . preventing hard carbon deposit on nozzle tips
C . avoiding fuel oil temperature exceeding builder’s specification
D . ensuring good metallic contact between nozzles and cylinder head
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This kind of material can resist heat and moisture.
A . delete
B . compel
C . constrain
D . repel
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You see a vessel displaying three lights in a vertical line.The highest and lowest lights are red and the middle light is white.She is also showing a white light at the stern，which is lower than the forward light.It could be a（）.
A . Survey vessel
B . Vessel not under command
C . Vessel aground
D . Pilot vessel with port side to you
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The rate of heat transfer in a water-tube auxiliary boiler can be increased by （）.
A . operating the boiler at less than normal water level
B . installing fins on the firesides of water-tubes
C . increasing the amount of excess air to the burners
D . treating the boiler water with chemical oxygen scavenger
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In accordance with SOLAS，the batteries that power interior lighting in inflatable liferafts can be made to last longer by（）.
A . unscrewing the bulb during the daylight
B . switching the light on only when necessary
C . taking no action as there is no way on saving power
D . taking no action as they shut off automatically in daylight
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How to first-aid people in heat stroke can be defined as informational process.
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Can you believe such a (an) _____ act was treated so lightly? I think he should be sentenced to death.
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74. For details of these and other lights the larger scale charts and Admiralty Lists should be ____
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When wood is burnt, it heat and light, together with heavy smoke.
A.give up
B.sends up
C.sends away
D.sends out
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◑Cold and dry.◑Humidity and heat.◑Light rain.◑Variation.
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The earth ___the necessary amount of heat and light from the sun（）
A．supplies
B．receives
C．provides
D．requires
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Uncharted lights and radar beacon transmissions may be ________ near the station．
A.encountered
B.met
C.contacted
D.seen
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At night the desert floor radiates heat back into the atmosphere and the temperature may be drop to near freezing.
此题为多项选择题。
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In some ways, the human body is both like a furnace and like an engine. It must have fuel to produce heat as a furnace【C1】______. It must have fuel to produce motion and do【C2】______as an engine does. The nutrients(营养物)which【C3】______energy best are carbohydrates(碳水化合物)and fats. Protein can also be used as fuel. Minerals, vitamins, and water,【C4】______extremely valuable to the body, cannot be used as fuel.
If the body takes in more carbohydrates【C5】______are used for energy, the【C6】______is stored. Two storage places are the liver(肝)and muscles. There is a【C7】______, however, to the amount of carbohydrates they can【C8】______. When they are filled and they always【C9】______be for you to feel your best, excess carbohydrates are changed to fat and【C10】______around the body.
If the body does not take【C11】______a sufficient amount of food, it will use its stored fat for energy. If you【C12】______at all, the body would use up all the stored fats and【C13】______it would use its own protein in order to keep【C14】______as long as possible.
Therefore, the【C15】______amount of food you eat should be in【C16】______with your energy requirements. It is not necessary,【C17】______, for you to go【C18】______counting calories(卡路里)and weighing food. If a person is the【C19】______weight, it is safe to【C20】______that he is eating enough.
【C1】
A．has
B．needs
C．does
D．is
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You can’t plug _____ the memory stick when the light is flashing. Otherwise, the system data may be damaged
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If you are a smoker and really need to light up, where can you do so()?
A.In the office
B.In the restroom
C.Outside the buildings
D.In the designated smoking areas
此题为多项选择题。
