高中英語(yǔ)人教版 (2019)選擇性必修第二冊(cè)Unit 5 First Aid授課ppt課件-課件下載-教習(xí)網(wǎng)

Think f sme situatins that require first aid urgently and share yur ideas abut hw t deal with them? The pictures belw might be f great help.
If yu get a nsebleed, get the persn t sit dwn, tilt his/her head frward slightly. Dn’t let yur head back t stp the bleeding.
(It may lead the bld int the thrat and easily cause chking.)
T treat a bleeding, yu shuld put _____________n the wund and apply ______________t reduce the bleeding.
The best way t treat a sprained ankle is t:Put sme ice pack n the ankle t reduce the swelling . Put a firm bandage arund the ft and ankle.
? Befre yu read, lk at the title, and the picture belw. Where d yu think this article is frm? What d yu think this article is abut?
It may cme frm hspital leafletIt is abut first aid fr burns.
Lk at the smaller headlines:1. Hw many tpics are talked abut? Fur.2. What are they? Causes f burns Types f burns Characteristics f burns First aid treatment
Why shuld yu put cld water n a burn?Because the cld water stps the burning prcess, stps the pain and reduces the swelling. 2. Why desn’t a third degree burn hurt?Because in the third degree burn the nerves have been damaged. If there are n nerves, there is n pain.3. Why d yu think clthes near burns shuld be remved?Because bacteria frm the clthes culd infect the burns.4. If smene has a third degree burn, why might yu see tissue? Because all the layers f the skin have been burnt shwing the tissue underneath.
1. Paragraph ne is mainly abut the ________ f skin.2. What are the functins f skin? Acts as a ________ against diseases, pisns and the sun’s harmful rays. _______________ cntrl bdy temperature. ________________ yu frm lsing water. Give yu the _______ f cld, heat r pain and the ______ f tuch.
Paragraph 1: read para1 and fill in the blanks.
Careful Reading
slve the fllwing questins:What are the causes f burns?Hw many types f burns are there?What are the characteristics f each burn?
Paragraph 2---the last but ne paragraph:
Causes f burns?
electricity
the tp layer
the 2nd layer
the 3rd layer
Three layers f the skin
Essential part and the largest rgan
Types f burns
There are _____ types f burns, which are called the first, secnd and third ______ burns, depending n which _____ f the skin are burned.
First degree burns: affect nly the ____ player f the skin.Secnd degree burns: affect bth the ___ and the ______ layer f the skin.Third degree burns: affect all _____ layers f the skin and any tissue and rgans ______ the skin.
Characteristics f burns
dry, red and mildly _______ ______ painful turn ____ when pressed ______, red and swllen _______ ______ surface _________ painful black and white and the tissue __________can ften be seen. swllen; ften _____ under them can be seen little r n _____ if nerves are damaged; may be painful arund _____ f injured area
1st degree burns
2nd degree burns
3rd degree burns
Characteristics
rugh, red, swllenextremely painfulBlisters
dry, red, mildly swllenmildly painfulTurn white when pressed
black and white tissue underneath can be seenlittle r n pain if nerves are damaged may be painful arund edge f injured area.
Retell the types and characteristics
1.Place burns under______________________, especially within the first ten the burned area gently with a ________clth.3. ___________clthing near the burns using burned area with a _________clean clth.5. If burns are n the face, make sure the victim can still __________6.___________the victim t the dctr r hspital, if burns are secnd r third degree.
cl running water
First aid treatment
Read the last paragraph
Causes f burns
The functins f the skin
First aid fr burns
Tm’s hand gt burned and he cried with pain. What can we d t help him?
SpngeBb gt burned all ver his bdy, his skin became charred, and he can’t even feel the pain. What shuld we d t save him?
Pst-reading
1.Sam kncked ver a kettle full f biling water nt his legs. His legs became red, swllen and cvered with blisters. Sam brke the blisters and pured icy water frm the fridge nt the skin.
True r false
He shuld keep the clths cl by putting them back in the cld water, squeezing them ut and placing them n the burned area until the pain is nt s bad.
2.While irning clthes, Miss Gd accidentally tuched the irn. Her wrist blistered and became watery. It hurt a lt. She put her wrist under the cld water tap and then kept placing cl, clean, damp clths n it until it was less painful. Then she went t see the dctr.
3.After an hur in the sun, Lily nticed her arms were red and hurt a bit She went hme and put them under cl running water.
4.Mrs Casey's sleeve caught fire while she was cking. Her arm lked terrible but it didn't hurt. The skin was charred. Her husband tk ff her bluse and picked ff bits f the bluse stuck t the burn. He then placed butter n the burn and cvered it with a wet bandage.
He shuld place clean, dry clths ver the damaged area. Get the persn t the hspital at nce.

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