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高中英语必修五35页2,

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高中英语必修五35页2,
高中英语必修五35页2,
Ex2
A A second degree burn
B first degree burn
C third degree burn
Ex3
1.Because the cold water stops the burning process, stops the pain and reduces to swelling.
2.Because in a third degree butn the nerves have been damaged. If there are no nerves,there is no pain.
3.Because bactiria from the clothes and 
jewellery could infect the burns
4.Because all the layers of the skin have 
been burnt showing the tissue underneath.
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