A. taxes
B. telephone bills
C. genetic data
D. water use fees
科目:高中英語 來源:英語教研室 題型:050
If you see someone drowning,speed is very important.Once you get him out of the water,if he isn’t breathing,you have four minutes before his brain is completely damaged.Support his neck,and tilt his chin upwards.This stops the tongue blocking the air way in the throat and is sometimes enough to get him breathing again.If that doesn’t work,start mouth-to-mouth breathing.Press his nostrils together with your fingers.Open your mouth wide and take a deep breath.Blow into his lungs until his chest rises,and then remove your mouth and watch his chest fall. Repeat twelve times a minute,and keep going until professional help arrives.
To bring a child back to life,keep your lips around its mouth and nose and gently blow into its mouth.Give the first four breaths as quickly as possible to fill the blood with oxygen.If,in spite of your efforts,it starts turning blue grey color,and you can feel no pulse,then pressing its chest is the last chance of saving its life.
With arms straight,rock forward,pressing down on the lower half of the breastbones.Don’t be too hard or you may break a rib.Check how effective you are by seeing if his color improves or his pulse becomes independent to your chest pressing.If this happens,stop the pressing. Otherwise continue until an ambulance arrives.
1.If you want to save someone drowning,you _________.
A.have to pull off your clothes first
B.should hurry to get him out of water as soon as possible
C.should first make out who he is
D.ought to throw a lifeboat to the person first
2.Once a person stops breathing,it means _________.
A.you have no more than 4 minutes to bring him to life again
B.his brain is completely damaged
C.he has passed away
D.there is no way to save his life
3.To press his chin upwards is a way to _________.
A.keep the tongue blocking the air way in the throat
B.prevent the tongue from stopping the air way in the throat
C.swing the tongue out of the throat
D.see if he can possibly be saved
4. In doing mouth-to-mouth breathing, you have to_________.
A. open your mouth wide
B. take a deep breath
C. blow into his lungs
D. do all of the above
5. To bring a child back to life, we usually _________.
A. blow into his mouth first
B. press breastbone hard immediately
C. call for an ambulance first
D. check his color and pulse first
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