高二英语Unit 5 课文填空稿件
First aid for burns
The skin is 1(必不可少的) part pf your body and your body’s largest organ. You have three layers of skin that you 2(防御) diseases, poisons and the sun’s harmful rays. Your skin also keeps you warm or cool; it prevents your body from 3(失去) water; it is where you feel cold, heat or pain; and it gives you your 4（触觉）. So, as you can imagine, if your skin gets burned, it can be very serious. First aid is a very important first step in the treatment of burns.
Causes of burns
You can get burned by: hot 5（液体）, steam, fire, radiation(by being close to high heat or fire), the sun, 6(电) and chemicals.
Types of burns
There are three types of burns. Burns are called first degree, second degree or third degree burns, 7（根据）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 8（一两天内）. Examples include mild sunburn and burns 9（由于）touching a hot pan 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 liquids.
Third degree burns
These affect all three layers of the skin and any 10(组织)and 11（器官） under the skin. Examples include burns caused by 12(电击), burning clothes, or severe petrol fires. These burns are very severe injuries and the victim must 13（送往医院） at once.
Characteristics of burns
First degree burns dry, red and mildly swollen
Mildly painful
Turn white when 14(压)
Second degree burn 15(粗糙的), red and swollen
Blisters
watery surface
16（极其的）painful
Third degree burns black and white and 17（烧焦的）
Swollen; often tissue under them can be seen
Little or no pain if nerves are damaged; may be pain around edge of injured area
First aid treatment
1 Take clothing off the burned area unless it 18（粘在）the burn.Take off other clothing and jewellery near burns.
2 Cool burns immediately with cool but not 19（冰的）water. Ti is best to place burns under gently running water for about 10 minutes. (the cool water stops the burning process, stops the pain and prevents or reduces 20（肿胀.） Do not put cold water on third degree burns.
3 For frist degree burns, place cool, clean, wet cloths on them until the pain is not so bad. For second degree burns, keep cloths cool by putting them back in the cold water, them 21（挤出） and placing them on the burned area over and over again for about an hour until pain is not so bad.
4 Dry the burned area gently. Do not rub, as this may break any blisters and the wound may get infected.
5 Cover the burned area with a dry, clean bandage that will not stick to the skin. Hold the bandage 22(适合的) with tape. Never put butter, oil or ointments on burns as they keep the heat in the wounds and may cause infection.
6 If burn are on arms or legs, keep them higher than the heart, if possible. If burns are on the face, the victim should sit up.
7 If the injuries are second degree or third degree burns, get the victim to the doctor or hospital at once.
The correct answers
1)an essential 2)protect against 3)losing 4)sence of touch
5)liquids 6)elecricity 7) depending on 8）within a day or two
9) caused by 10）tissue 11）organs 12）electric shocks
13）get to a hospital 14) pressed 15) rough 16）extremely
17）charred 18）is stuck to 19）icy 20）swelling
21) squeezing out 22）in place