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1、electricity or chemicals.Types of burnsThere are three types of burns. Burns are called first, second, or third degree burns, depending on which layers of the skin are burned.First degree burns These affect only the top layer of the skin. These burns are not serious and should feel better within a d
2、ay or two. Examples include mild sunburn and burns caused by touching a hot pan, stove or iron for a moment.Second degree burns These affect both the top and the second layer of the skin. These burns are serious and take a few weeks to heal. Examples include severe sunburn and burns caused by hot li
3、quids.Third degree burns These affect all three layers of the skin and any tissue and organs under the skin. Examples include burns caused by electric shocks, burning clothes, or severe petrol fires. These burns cause very severe injuries and the victim must go to hospital at once.Characteristics of
4、 burnsFirst degree burns dry, red and mildly swollen mildly painful turn white when pressedSecond degree burns rough, red and swollen blisters watery surface extremely painfulThird degree burns black and white and charred swollen; often tissue under them can be seen little or no pain if nerves are d
5、amaged;may be pain around edge of injured are.First aid treatmentRemove clothing using scissors if necessary unless it is stuck to the burn. Take off other clothing and jewelry near the burn.Cool burns immediately with cool but not icy water. It is best to place burns under gently running water for
6、about 10 minutes. (The cool water stops the burning process, prevents the pain becoming unbearable and reduces swelling.) Do not put cold water on third degree burns.For first degree burns, place cool, clean, wet cloths on them until the pain is not so bad. For second degree burns, keep cloths cool
7、by putting them back in a basin of cold water, squeezing them out and placing them on the burned area over and over again for about an hour until the pain is not so bad.Dry the burned area gently. Do not rub, as this may break any blisters and the wound may get infected. Cover the burned area with a
8、 dry, clean bandage that will not stick to the skin. Hold the bandage in place with tape. Never put butter, oil or ointment on burns as they keep the heat in the wounds and may cause infection.If burns are on arms or legs, keep them higher than the heart, if possible. If burns are on the face, the v
9、ictim should sit up.If the injuries are second or third degree burns, it is vital to get the victim to the doctor or hospital at once. HEROIC TEENAGER RECEIVES AWARDSeventeen-year-old teenager, John Janson, was honored at the Lifesaver Awards last night in Rivertown for giving lifesaving first aid o
10、n his neighbor after a shocking knife attack.John was presented with his award at a ceremony which recognized the bravery of ten people who had saved the life of another.John was studying in his room when he heard screaming. When he and his father rushed outside, a man ran from the scene. They disco
11、vered that Anne Slade, mother of three, had been stabbed repeatedly with a knife. She was lying in her front garden bleeding very heavily. Her hands had almost been cut off.It was Johns quick action and knowledge of first aid that saved Ms Slades life. He immediately asked a number of nearby people
12、for bandages, but when nobody could put their hands on any, his father got some tea towels and tape from their house. John used these to treat the most severe injuries to Ms Slades hands. He slowed the bleeding by applying pressure to the wounds until the police and ambulance arrived.“Im proud of wh
13、at I did but I was just doing what Id been taught,” John said.John had taken parting in the Young Lifesaver Scheme at his high school. When congratulating John, Mr Alan Southerton, Director of the Young Lifesaver Scheme said, “There is no doubt that Johns quick thinking and the first aid skills he l
14、earned at school saved Ms Slades life. It shows that a knowledge of first aid can make a real difference.”Before receiving their awards last night, John and the nine other Life Savers attended a special reception yesterday hosted by the Prime Minister.选修六Unit 1 A SHORT HISTORY OF WESTERN PAINTINGArt
15、 is influenced by the customs and faith of a people. Styles in Western art have changed many times. As there are so many different styles of Western art, it would be impossible to describe all of them in such a short text. Consequently, this text will describe only the most important ones, starting
16、from the sixth century AD.The Middle Ages (5th to the 15th century AD)During the Middle Ages, the main aim of painters was to represent religious themes. A conventional artist of this period was not interested in showing nature and people as they really were. A typical picture at this time was full of religious s
