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单选题
The necessity for administering artificial respiration may be recognized by the victims （）.
A
vomiting
B
blue color and lack of breathing
C
irregular breathing
D
unconscious condition
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共用题干
Keeping Cut Flowers（鲜切花）1. While everybody enjoys fresh cut flowers around his/her house,few people know how to keep them for as long as possible .This may be done by keeping in mind a few simple facts.2. An important thing to remember about cut flowers is that they are sensitive to temperature.For example,studies have shown that cut carnations（康乃馨）retain their freshness eight times lon-ger when kept at 12℃than when kept at 26℃．Keeping freshly harvested flowers at the right tem-peratures is probably the most important aspect of flower care.3. Flowers are not intended by nature to live very long.Their biological purpose is simply to at-tract birds or insects,such as bees,for pollination（授粉）.After that,they quickly dry up and die. The process by which flowers consume oxygen and produce carbon dioxide（二氧化碳）, called respiration（呼吸）,generates the energy the flower needs to give the flower its shape and color. The making of seeds also depends on this energy.While all living things respire,flowers have a high level of respiration.A result of all this respiration is heat,and for flowers the level of heat relative to the mass of the flower is very high.Respiration also brings about the eventual death of the flower. Thus the greater the level of respiration,the sooner the flower dies.4. How,then,to control the rate at which flowers die?By controlling respiration.How is respi-ration controlled?By controlling temperature .We know that respiration produces heat,but the re-verse（相反的过程）is also true. Thus by maintaining low temperatures , respiration is reduced and the cut flower will age more slowly.5. Another vital factor in keeping cut flowers is the quality of the water in which they are placed. Flowers find it difficult to“drink”water that is dirty or otherwise polluted.Even when water looks and smells clean,it almost certainly contains harmful substances that can endanger the flowers. To rid the water of these unwanted substances, household chlorine bleach（漂白剂）can be used in small quantities.It is recommended that 15 drops of chlorine bleach(at 4%solution)be add-ed to each litre of water. The water and solution should also be replaced each day. Paragraph 2________A: Control of RespirationB: Beauty of Fresh Cut FlowersC: Role of RespirationD: Most Important Aspect of Flower CareE: Need for CleanwaterF:.Ways of Stopping Respiration
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单选题Sign(s) of respiratory arrest requiring artificial respiration is(are)（）.A
vomitingB
blue color and lack of breathingC
irregular breathingD
unconsciousness
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单选题When administering artificial respiration to an adult, the breathing cycle should be repeated about （）A
12 to 15 times per minuteB
18 to 20 times per minuteC
20 to 25 times per minuteD
as fast as possible
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单选题When administering artificial respiration, it is of the utmost important to （）A
use the mouth-to-mouth methodB
clear airwaysC
use rhythmic pressure methodD
know all approved methods
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单选题After a person has been revived by artificial respiration，he should be（）.A
walked around until he is back to normalB
given several shots of whiskeyC
kept lying down and warmD
allowed to do as he wishes
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单选题Before you begin administering artificial respiration, you should be sure the victim（）A
is comfortableB
is warmC
is not bleedingD
has a clear airway
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单选题Which is TRUE concerning immersion suits and their use?（）A
Only a light layer of clothing may be worn underneathB
They provide sufficient flotation to do away with the necessity of wearing a life jacketC
They should be tight fittingD
A puncture in the suit will not appreciably reduce its value
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单选题In the constant-tension mooring, the mooring lines holding the ship to the pier will maintain a constant tension even with changes in tide or ship’s draft, （）.A
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without the necessity of automatically adjusting the linesC
with the necessity of manually adjusting the linesD
with the un-necessity of automatically adjusting the lines
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单选题After sending a message describing the symptoms of an ill crew member，you receive a message containing the code MRL. This means（）.A
Apply ice-cold compress and renew every 4 hoursB
Commence artificial respiration immediatelyC
Give enemaD
Pass catheter into bladder
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单选题（）may be defined as a departure without justification and under no necessity from the proper and usual course of an agreed voyage，whereby the character and the incidents of such voyage are altered.A
DeviationB
ChangeC
AlterationD
Amendment
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单选题In reviving a person who has been overcome by gas fumes，what would you AVOID doing?（）.A
Giving stimulantsB
Prompt removal of the patient from the suffocating atmosphereC
Applying artificial respiration and massageD
Keeping the patient warm and comfortable
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单选题Changing rescuers while carrying out artificial respiration should be done（）.A
without losing the rhythm of respirationB
only with the help of two other peopleC
by not stopping the respiration for more than 5 minutesD
at ten-minute intervals
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名词解释题厌氧呼吸（anaerobic respiration）
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