1. （教材P50）It also helps control your body temperature, prevents your body from losing too much water, warns you when things are too hot or cold, and gives you your sense of touch.
2. （教材P50）As you can imagine,getting burnt can lead to very serious injuries.
3. （教材P50）The first and most important step in the treatment of burns is giving first aid.
4. （教材P51）Place burns under cool running water, especially within the first ten minutes.
5. （教材P51）Remove any clothes using scissors if necessary, unless you see the fabric sticking to the burnt skin.
观察上面句子，并分别写出句中动词-ing形式的语法功能：
句1中的v.-ing形式在句中作宾语；句2中的v.-ing形式在句中作主语；句3中的v.-ing形式在句中作表语；句4中的v.-ing形式在句中作定语；句5中的v.-ing形式在句中作状语。
