阅读下面短文,在空白处填入1个适当的单词成括号内单词的正确形式。
The burn is a kind of common but very painful {#blank#}1{#/blank#}
(injure), While minor burns will heal without much medical attention, severe
burns require special care {#blank#}2{#/blank#} (prevent) infection. Before you treat
a burn, it is important to understand {#blank#}3{#/blank#} degree of the burn you have
suffered.
First degree burns are the most common and happen as a
result of brief contact with hot items and the sun. The damage is only {#blank#}4{#/blank#}
the most outer layer of the skin. They will likely appear red and may be {#blank#}5{#/blank#}
(mild) painful.
When you have a second degree burn, your skin might appear {#blank#}6{#/blank#}
(swell), blisters will form and the pain will be math more intense. Second
degree burns come from brief contact with extremely hot {#blank#}7{#/blank#} (thing),
extended contact with hot items and long exposure time in the sun.
Third degree burns are the most serious {#blank#}8{#/blank#} they
need immediate medical attention. These happen when extended exposure to a hot
object burns through all three layers of your skin, sometimes {#blank#}9{#/blank#}
(cause) muscle, fat and bone damage. The burns will have a white or black {#blank#}10{#/blank#}
(appear). The pain can vary depending on the level of damage to the nerves in
the skin layer. These burns can look wet because of the break of the cells.