【　】Looking for necessary numbers.

　　Task 3:(Line 1-Line 6)

　　(1)What are the functions of skin?

　　The functions of skin are very complex:

　　It 　　　you warm or cool.

　　It 　　　your body from losing too much water.

　　It enables you 　　　　　　cold,heat or pain and it 　　　you your sense of touch.

　　(2)The functions of a computer are to 　　　　　　　　　　　　　　　,to 　　　　　　　　　and to 　　　　　　　　　.

　　(Line 7-Line 9)

　　(3)A variety of causes:①　　　 　　　,②　　　,③ 　　　,④ 　　　,⑤　　　 　　　,⑥ or ⑦　　　.

　　Task 4:After reading,complete the table below.

Types Layer(s) Seriousness Characteristics 　　

　　Task 5:A game:thumbs up or thumbs down.

Order Yes No 1 Remove clothing using scissors if necessary. 2 Cool burns with icy water and place burns under gently running water for about 10 minutes. 3 Place cool,clean wet cloths on the burns. 4 Rub the burned area gently. 5 Cover the burned area with a dry,clean bandage and hold the bandage in place with tape.