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EXPLORATIONS - Carbon Monoxide Poisoning is a Silent Killer

时间:2006-03-16 16:00来源:互联网 提供网友:z75531   字体: [ ]
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EXPLORATIONS - Carbon Monoxide Poisoning is a Silent Killer1 That Causes Death and Injuries Throughout the World
By Marilyn Christiano

Broadcast: Wednesday, November 02, 2005

(MUSIC)

VOICE ONE:

This is Steve Ember.

VOICE TWO:

And this is Shirley Griffith with the VOA Special English program, EXPLORATIONS.  The winter season is arriving soon in the northern part of the world. Winter brings cold weather and with it a danger as old as man's knowledge of fire. The danger is death or injury by carbon monoxide poisoning. Today, we tell about this ancient and continuing danger.

 
Carbon monoxide detectors3 can let people know when levels of the deadly gas are too high
(MUSIC)

VOICE ONE:

Several years ago, a family in the western state of California was enjoying a holiday near the Pacific Ocean. The family included a father and mother and five children. The oldest child was twelve years old. The youngest was three. The family was spending the weekend in a camper. A camper is a small shelter carried in the back of a truck. People can sleep in it for a few days.

The weather turned cold the second night the family stayed at the beach. The camper did not have any heating4 equipment to warm the inside area while family members slept. Someone decided5 to heat the space by placing a cooking device6 called a charcoal7 grill8 inside the camper. The grill burned a wood product called charcoal. The fire immediately warmed the members of the family. They all went to sleep.

The next day, other people visiting the beach found the family. The parents and their five children had died in their sleep. They died because they did not know that burning wood products creates a deadly gas.

The deadly gas is carbon monoxide. Carbon monoxide poisoning is known as a silent killer. The California family went to sleep in their warm camper and never woke up.

(MUSIC)

VOICE TWO:

Carbon monoxide poisoning causes death and injuries throughout the world. The poison gas has been a problem since humans first began burning fuels to cook food or to create heat during cold weather.

More people die from carbon monoxide poisoning in the United States each year than from any other kind of poisoning. American health records show that this poison gas kills about two hundred twenty people each year. More than five thousand are taken to medical center emergency rooms for treatment. This dangerous gas is a problem in all areas of the world that experience cold weather.

Carbon monoxide gas is called the silent killer because people do not realize it is in the air. Carbon monoxide has no color. It has no taste. It has no smell. It does not cause burning eyes. And it does not cause people to cough.

Yet, carbon monoxide gas is very deadly. It is a thief. It steals the body's ability to use oxygen.

VOICE ONE:

Carbon monoxide decreases the ability of the blood to carry oxygen to body tissues9. It does this by linking with the blood. When carbon monoxide links with the blood, the blood is no longer able to carry oxygen to the tissues that need it. Damage to the body can begin very quickly from large amounts of this deadly gas.

How quickly this can happen depends on the length of time a person is breathing the gas and the amount of the gas he or she breathes in.

VOICE TWO:

There are warning signs of carbon monoxide. But people have to be awake to recognize them. Small amounts of carbon monoxide will cause a person's head to hurt. He or she may begin to feel tired. The victim's stomach may feel sick. The room may appear to be turning around. The person may have trouble thinking clearly.

People develop severe head pains as the amount of gas continues to enter their blood. They will begin to feel very sleepy and very tired. They may have terrible stomach pains.

VOICE ONE:

Carbon monoxide is measured in parts per million in a normal atmosphere. Breathing in only two hundred parts per million of carbon monoxide will cause the first signs of poisoning. This will happen after a two to three hour period of breathing in this small amount of gas. Twelve thousand parts per million of carbon monoxide will cause death in one to three minutes.

Medical experts say the gas will affect people very differently. For example, a small child will experience health problems or die much quicker than an adult will. The general health of the person or his or her age can also be important.

An older person with health problems may suffer the effects of carbon monoxide more quickly than a younger person with no health problems. People with heart disease10 may suffer chest pains. They may begin to have trouble breathing.

VOICE TWO:

Carbon monoxide does not always cause death. But it can cause many medical problems. Being exposed to low amounts of carbon monoxide gas for long periods of time can lead to permanent heart, lung or brain damage.

 
Carbon monoxide can cause damage to the brain and other organs
Medical experts say small amounts of carbon monoxide over a long period of time can greatly harm an unborn baby.

(MUSIC)

VOICE ONE:

What causes carbon monoxide gas? Any device that burns fuels such as coal, oil or wood can create the gas.

Water heaters that burn natural gas create carbon monoxide. Fireplaces12 and stoves that burn wood create the gas. Natural gas stoves and gas dryers13 or charcoal grills14 also create carbon monoxide. Automobiles16 create it. Any device that burns the fossil17 fuels such as coal, oil, wood, gasoline18, kerosene19 or propane will produce carbon monoxide.

Experts agree that the leading cause of carbon monoxide poisoning is damaged equipment that burns these fuels. They say many people also die or are injured by the gas because they do not use these devices20 correctly.

Experts say any device used to heat a home should be inspected to make sure it is working correctly. And, no cooking equipment such as a charcoal grill should ever be used to heat an inside area.

VOICE TWO:

Carbon monoxide gas is created by fuel burning devices because not all of the fuel is burned. Most devices used for home heating have a method of expelling22 the gas to the outside. For an example, a fireplace11 has a chimney23. Natural gas stoves or gas water heaters are usually connected to a device called a vent24 to expel21 the gas safely to the outside. An automobile15 has a system for expelling unburned gasoline under and behind the vehicle.

Anyone who uses a device that burns fossil fuel must inspect the equipment carefully to decrease the chances carbon monoxide gas will escape. Companies that produce the devices usually provide directions about using the device correctly. These directions should be read and understood before using any equipment that burns fuel inside a home.

(MUSIC)

VOICE ONE:

You can do a number of things to lessen25 the effects of carbon monoxide poisoning. First, immediately leave the area if you recognize the effects of carbon monoxide poisoning in yourself or others.

You should seek emergency medical services once you are away from the area where you suspect the gas might be. Usually the treatment for carbon monoxide poisoning involves breathing in large amounts of oxygen. However, a doctor will know the best method to treat the effects of carbon monoxide poisoning.

Carbon monoxide does not quickly leave the body even after treatment has begun. It can take several hours before the gas disappears. Medical experts say it can take about five hours for half of this poison gas to completely leave the blood.

VOICE TWO:

If you suspect carbon monoxide gas is a problem in your home, you might try calling your local fire department. Many fire departments have the necessary equipment to find or detect2 carbon monoxide.

In many countries, it is possible to buy and use a special device that will warn when harmful amounts of carbon monoxide are in the area. These devices can be linked to a home's electric system. Others work with electric batteries. Experts say these devices should be placed near sleeping areas in the home.

VOICE ONE:

The most important weapon against carbon monoxide poisoning is the safe use of materials to heat any enclosed26 area. Safety directions that come with any heating equipment must be followed. Older fossil fuel burning heating equipment should be inspected to make sure it is safe every year. Knowledge about the dangers of this deadly gas could be the most important information you ever learn.

(MUSIC)

VOICE TWO:

This Special English program was suggested by a listener in China. It was written and produced by Paul Thompson. This is

Shirley Griffith.

VOICE ONE:

And this is Steve Ember. Join us again next week for another EXPLORATIONS program on the VOICE OF AMERICA.


点击收听单词发音收听单词发音  

1 killer rpLziK     
n.杀人者,杀人犯,杀手,屠杀者
参考例句:
  • Heart attacks have become Britain's No.1 killer disease.心脏病已成为英国的头号致命疾病。
  • The bulk of the evidence points to him as her killer.大量证据证明是他杀死她的。
2 detect DvOxm     
vt.察觉,发现;探测
参考例句:
  • I can detect signs of improvement in your thinking.我可以察觉出你思考问题方面的进步。
  • Their instruments can detect the slightest vibration.他们的仪器能探测出极微弱的震动。
3 detectors bff80b364ed19e1821aa038fae38df83     
探测器( detector的名词复数 )
参考例句:
  • The report advocated that all buildings be fitted with smoke detectors. 报告主张所有的建筑物都应安装烟火探测器。
  • This is heady wine for experimenters using these neutrino detectors. 对于使用中微子探测器的实验工作者,这是令人兴奋的美酒。 来自英汉非文学 - 科技
4 heating KrLz0U     
n.加热,供暖,暖气装置;adj.加热的,供暖的
参考例句:
  • They will install a heating and lighting system in our house.他们将在我们家装上供热供电系统。
  • If the pressure is too low,the heating system will act up.如果压力太低,供暖系统就会出毛病。
5 decided lvqzZd     
adj.决定了的,坚决的;明显的,明确的
参考例句:
  • This gave them a decided advantage over their opponents.这使他们比对手具有明显的优势。
  • There is a decided difference between British and Chinese way of greeting.英国人和中国人打招呼的方式有很明显的区别。
6 device Bv8x6     
n.器械,装置;计划,策略,诡计
参考例句:
  • The device will be in production by the end of the year.该装置将于年底投入生产。
  • The device will save much time and effort for us.这种装置会使我们节省大量时间和气力。
7 charcoal prgzJ     
n.炭,木炭,生物炭
参考例句:
  • We need to get some more charcoal for the barbecue.我们烧烤需要更多的碳。
  • Charcoal is used to filter water.木炭是用来过滤水的。
8 grill wQ8zb     
n.烤架,铁格子,烤肉;v.烧,烤,严加盘问
参考例句:
  • Put it under the grill for a minute to brown the top.放在烤架下烤一分钟把上面烤成金黄色。
  • I'll grill you some mutton.我来给你烤一些羊肉吃。
9 tissues 79654ca5ba0bc2dbc0ee54a48bab4e31     
n.组织( tissue的名词复数 );薄纸;棉纸;一套
参考例句:
  • The teacher showed the students the pictures of brain tissues. 老师给学生们看脑组织的图片。 来自《简明英汉词典》
  • Give some face tissues to me. 给我些面巾纸。 来自《简明英汉词典》
10 disease etMxx     
n.疾病,弊端
参考例句:
  • The doctors are trying to stamp out the disease.医生正在尽力消灭这种疾病。
  • He fought against the disease for a long time.他同疾病做了长时间的斗争。
11 fireplace YjUxz     
n.壁炉,炉灶
参考例句:
  • The fireplace smokes badly.这壁炉冒烟太多。
  • I think we should wall up the fireplace.我想应该封住壁炉。
12 fireplaces 55cf26521677ec7c1983a45d6a1bac68     
壁炉( fireplace的名词复数 )
参考例句:
  • The shop was an old converted house with many large, disused fireplaces and tall, narrow chimneys. 那是一座老式的、经过改造的房子,店里有许多废置不用的大壁炉和又高又窄的烟囱。 来自新概念英语第三册
  • When the central- heating was installed, the fireplaces were walled up. 安装暖气设备之后,便把壁炉封闭起来了。
13 dryers 5c56a853f6c2d82daa52b15f68e1b2ac     
n.干燥机( dryer的名词复数 );干燥器;干燥剂;干燥工
参考例句:
  • Men also have hair dryers and, if they suffer from baldness, they use a growth stimulator, buy hairpieces, or have hair transplanted from the hirsute part of the scalp to the bare areas. 男士也有他们的吹风机,而且如果他们秃顶的话,还会用毛发生长剂、买假发,或者把头发从密集的地方移植到谢顶的地方。 来自《简明英汉词典》
  • The dryers can be automated. 干燥机可以自动化作业。 来自辞典例句
14 grills 9d5be5605118251ddee0c25cd1da00e8     
n.烤架( grill的名词复数 );(一盘)烤肉;格板;烧烤餐馆v.烧烤( grill的第三人称单数 );拷问,盘问
参考例句:
  • Backyard barbecue grills could be proscribed. 里弄烤肉店会被勒令停业的。 来自辞典例句
  • Both side inlets have horizontal grills and incorporate impressive fog lamps. 两侧进气口的水平烤架并纳入令人印象深刻的雾灯。 来自互联网
15 automobile rP1yv     
n.汽车,机动车
参考例句:
  • He is repairing the brake lever of an automobile.他正在修理汽车的刹车杆。
  • The automobile slowed down to go around the curves in the road.汽车在路上转弯时放慢了速度。
16 automobiles 760a1b7b6ea4a07c12e5f64cc766962b     
n.汽车( automobile的名词复数 )
参考例句:
  • When automobiles become popular,the use of the horse and buggy passed away. 汽车普及后,就不再使用马和马车了。 来自《简明英汉词典》
  • Automobiles speed in an endless stream along the boulevard. 宽阔的林荫道上,汽车川流不息。 来自《现代汉英综合大词典》
17 fossil ZipxA     
n.化石,食古不化的人,老顽固
参考例句:
  • At this distance of time it is difficult to date the fossil.时间隔得这么久了,很难确定这化石的年代。
  • The man is a fossil.那人是个老顽固。
18 gasoline jhwxW     
n.(美)汽油
参考例句:
  • This car runs 5 miles on a gallon of gasoline.这部汽车一加仑汽油可以行驶五英里。
  • There is still some gasoline left in the tank.油箱里还剩下一些汽油。
19 kerosene G3uxW     
n.(kerosine)煤油,火油
参考例句:
  • It is like putting out a fire with kerosene.这就像用煤油灭火。
  • Instead of electricity,there were kerosene lanterns.没有电,有煤油灯。
20 devices e0212e54ec3a2a120ca0d321b3a60c78     
n.设备;装置( device的名词复数 );花招;(为实现某种目的的)计划;手段
参考例句:
  • electrical labour-saving devices around the home 节省劳力的各种家用电器
  • modern labour-saving devices such as washing machines and dishwashers 诸如洗衣机和洗碗机之类的现代化省力设备
21 expel hhDzd     
vt.把...开除,驱逐,放逐,排出,喷出
参考例句:
  • They were told at first that they should simply expel the refugees.一开始有人告诉他们应该直接将那些难民驱逐出境。
  • The headmaster may expel the boy from the school.校长可能要把那个男孩从学校开除。
22 expelling e59cb50b9751f664e9e38edd5a576e61     
驱逐( expel的现在分词 ); 赶走; 把…除名; 排出
参考例句:
  • Catholic Spain had, by expelling its Jews, achieved the spiritual security of a united church. 信奉天主教的西班牙人在逐出犹太人后,统一了教会,在精神上获得了安全感。
  • Expelling wind and cold pathogens, relieving exterior syndrome and clearing away heat. 疏风散寒,迅速缓解风寒感冒症状。
23 chimney zVoyu     
n.烟囱,烟筒;玻璃罩
参考例句:
  • The chimney blew out a cloud of black smoke.烟囱里喷出一团黑烟。
  • His father is a chimney sweeper.他的父亲是一位扫烟囱的工人。
24 vent yiPwE     
n.通风口,排放口;开衩;vt.表达,发泄
参考例句:
  • He gave vent to his anger by swearing loudly.他高声咒骂以发泄他的愤怒。
  • When the vent became plugged,the engine would stop.当通风口被堵塞时,发动机就会停转。
25 lessen 01gx4     
vt.减少,减轻;缩小
参考例句:
  • Regular exercise can help to lessen the pain.经常运动有助于减轻痛感。
  • They've made great effort to lessen the noise of planes.他们尽力减小飞机的噪音。
26 enclosed OtWzqg     
adj.被附上的;(用墙等)围住的;封闭的;与外界隔绝的v.(用墙、篱笆等)把…围起来( enclose的过去式和过去分词 );把…装入信封;附入;(尤指墙、篱笆等 )围住
参考例句:
  • The yard had been enclosed with iron railings. 院子用铁栅栏围了起来。
  • Do not use this substance in an enclosed space. 切勿在不透气的地方使用此物质。
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TAG标签:   exploration  carbon  monoxide  si  exploration  carbon  monoxide  si
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