Unit 5 First aid
Period One Warming Up & Reading(Ⅰ)
基础落实
Ⅰ.课文理解
1． What are the characteristics of first degree burns?
A．Black and white and charred.
B．Rough，red and swollen.
C．Rough，red and dry.
D．Dry，red and mildly swollen.
2． Which of the following is NOT the cause of burns?
A．Steam and radiation.
B．The moon and the sun.
C．Fire and electricity.
D．Hot liquids and chemicals.
3． If burns affect all three layers of the skin and any tissue and organs under the skin，someone
must ________.
A．be sent to hospital at once
B．be placed on the floor and cool the burns immediately
C．be undressed in order to cover the burned area with a clean，dry bandage
D．be asked not to drink any water
4． Why should we dry the burned area gently?
