人教版 (2019)选择性必修 第二册Unit 5 First Aid课前预习ppt课件

这是一份人教版 (2019)选择性必修 第二册Unit 5 First Aid课前预习ppt课件，共29页。PPT课件主要包含了skin，Causes，Types，课文详解，Part 1，steam，fire，the sun，chemicals，radiation等内容，欢迎下载使用。

Learning Objectives
Find ut the structure f the passage Understand sme details f burns Judge different types f burnsCarry ut first aid treatment
Lk and discuss.1. What are the students learning in the pht?
I think the students are learning basic first aid, in particular CPR.
What is CPR?
心肺复苏（CPR）是对心跳、呼吸骤停的患者采取的救命技术，目的是恢复患者的自主呼吸和自主循环。
Lk and discuss.2. Have yu seen this technique used befre? D yu knw hw t d it?
I have never seen CPR perfrmed in real life, but I have ften seen it perfrmed in films and n TV, and I have read abut hw t d it. Yu press dwn n the chest f a victim every few secnds.I dn’t think I’m cnfident enugh t try it myself thugh.
Lk and discuss.3. D yu think it’s imprtant fr the students t learn this? Why?
It is imprtant because if smene’s heart r breathing stps, they usually have nly three t nine minutes befre their brain suffers irreversible damage because f a lack f xygen, unless CPR is perfrmed. Hwever, it may take anywhere frm 10-20 minutes befre an ambulance cmes nce yu call an emergency service.
It’s a great hnur t save a life.——Leigh Bardug
这句话出自李·巴杜格的作品《太阳召唤》。李·巴杜格出生于耶路撒冷，成长于洛杉矶，毕业于耶鲁大学。她喜欢奇幻作品，其处女作“格里莎三部曲”充满精彩丰富的奇幻景色、引人入胜的魔幻架构和浪漫的神话色彩，一经出版，即空降《纽约时报》排行榜，同时称霸《今日美国》《洛杉矶时报》以及美国书商协会IndieBund等畅销榜，各大媒体好评如潮。
Discuss these questins in grups.1. What firs-aid techniques d yu knw f?2. If smene yu knw suffered a burn, what wuld yu d?
I knw basically what t d if smene breaks a leg r gets a cut.
It depends n the kind f burn. All f the burns I’ve ever seen were fairly minr, s the best thing t d was t put it under cld running water t stp the burning.
____ advertisement ____ blg pst____ hspital leaflet ____ email____ newspaper article ____ shrt stry
What is the text type f the passage?
The passage mainly intrduces us the knwledge abut __________________.
first aid fr burns
Part 1: The functins f the _______
Part 2: _________f burns
Part 3: _________f burns
Find ut the structure f the passage.
Part 5: _________________ fr burns
First-aid treatment
Part 4: _________________f burns
Characteristics
The skin is an essential part f yur bdy and is its largest rgan. Yur skin acts as a barrier against disease, txins, and the sun’s rays. It als helps cntrl yur bdy temperature, prevents yur bdy frm lsing t much water, warns yu when things are t ht r cld, and gives yu yur sense f tuch. As yu can imagine, getting burnt can lead t very serius injuries. The first and mst imprtant step in the treatment f burns is giving first aid.
FIRST AID FOR BURNS
the functins f the skin
CAUSES OF BURNSYu can get burnt by a variety f things: ht liquids, steam, fire, radiatin, the sun, electricity, acids, r ther chemicals.
electricity
TYPES OF BURNSBurns are divided int three types, depending n the depth f skin damage.First-degree burns These affect nly the tp few millimetres f the skin. These burns are nt serius. Examples include mild sunburn and burns caused by ther minr husehld incidents.Secnd-degree burns These g belw the tp layer f the skin. They are serius and take a few weeks t get better. Examples include burns caused by ht liquids.Third-degree burns These affect every layer f the skin, and smetimes the tissue under it. Examples include burns caused by electric shcks, burning clthes, r petrl fires. These burns cause very severe internal injuries and the victim must g t the hspital at nce.
Hw many types f burns are there?In each type, which layer f the skin is affected?
The third layer
The secnd layer
The tp layer
First-degree burns
Secnd-degree burns
Third-degree burns
CHARACTERISTICS OF BURNSFirst-degree burnsdry, red, and mildly swllenmildly painfulturn white when pressed Secnd-degree burnsred and swllen; blisters; watery surfaceextremely painfulThird-degree burnsblack and whiteswllen; the tissue underneath can ften be seenlittle r n pain if nerves are damaged; may be painful arund the edges f the burn
Lk at the pictures and judge their types f burns accrding t the characteristics.
red and swllen; blisters; watery surface
extremely painful
secnd- degree burns
first- degree burns
third- degree burns
dry, red and mildly swllen
mildly painful
black, white, swllen, tissue can be seen
little r n pain
FIRST-AID TREATMENT1 Place burns under cl running water, especially within the first ten minutes. The cl water stps the burning prcess and reduces the pain and swelling.2 Dry the burnt area gently with a clean clth.3 Remve any clthes using scissrs if necessary, unless yu see the fabric sticking t the burnt skin.4 Cver the burnt area with a lse clean clth. Applying il t the injured areas is a bad idea, as it will keep the heat in the wunds and may cause infectin.5 If burns are n the face, make sure the victim can still breathe.6 If the victim is suffering frm secnd r third-degree burns, there is an urgent need t take him/her t the hspital at nce.
Place burns under clrunning water
Dry the burnt area
Remve any clthes
Cver the burnt area with a lse clean clth
G t the hspital
Attentin, pleaseDn’t remve any clthes if they stick t the burnt area.Dn’t apply il t the burnt area.If the burns are n the face, make sure the victim can breathe.
1. As yu can imagine, getting burnt can lead t very serius injuries. (P50)
injury n. 损伤，伤害
【搭配】injury t... 对……的伤害【例句】Several train passengers suffered serius injuries in the crash. 在这次撞车事故中，火车上有几名乘客受了重伤。【辨析】
2. If the victim is suffering frm secnd r third-degree burns, there is an urgent need t take him/her t the hspital at nce. (P51)
urgent adj. 紧急的，紧迫的，迫切的
【搭配】It is urgent that... 急需……（从句谓语用“shuld+动词原形”， shuld可省略）【例句】It is urgent that thse tents (shuld) be sent t the disaster area. 那些帐篷急需被送到灾区。 【拓展】urge v. 竭力主张；催促；力劝 urgency n. 紧急，迫切
【句式分析】该句为复合句。as引导 从句，表示“正如……；正像……”；主句是 。【自主翻译】______________________________________________
getting burnt can lead t very serius injuries
正如你能想象的，被烧伤可能导致非常严重的损伤。
as引导的非限制性定语从句
(1) as用作关系代词时，可以引导非限制性定语从句，as用来指代整个主句的内容，意为“正如”，as在从句中作主语或宾语。as引导的非限制性定语从句的位置比较灵活，一般用逗号与主句隔开。如：She usually takes a nap after lunch, as is her habit. 她午饭后通常小睡一会儿，这是她的习惯。（as在从句中作主语，指代的是She usually ... lunch)(2) as引导非限制性定语从句时常用于以下搭配：as is knwn t all (=as we all knw) 众所周知as yu can see 正如你所看见的as everybdy knws 正如每个人所了解的那样as is reprted 正如报道所说as is ften the case 情况常常如此as is hped 正如所希望的
【句式分析】本句是一个复合句，主句是 Remve any clthes；using scissrs是现在分词短语作方式状语；if necessary是状语从句的 形式；unless yu see the fabric sticking t the burnt skin是 状语从句。【自主翻译】____________________________________________________________________
除非你看到布料粘在烧伤的皮肤上，否则都要把它脱掉，必要时可使用剪刀。
2. Remve any clthes using scissrs if necessary, unless yu see the fabric sticking t the burnt skin. (P51)
【句式分析】此句是复合句，主句是 ；Applying il t the injured areas是动名词短语作 ，as引导 从句。【自主翻译】___________________________________________________________________________________
Applying il t the injured areas is a bad idea
在受伤面上抹油是一个坏主意，因为它会把热量保留在伤口里，而且可能
3. Applying il t the injured areas is a bad idea, as it will keep the heat in the wunds and may cause infectin. (P51)
Read again and decide if the fllwing statements are true (T) r false (F).1. Yur skin gives yu prtectin frm many dangerus things.T□ F□2. A first-degree burn has this name because it is the mst serius.T□ F□3. Secnd-degree burns can be the mst painful kind f burn.T□ F□4. It is imprtant t use cl water t stp the heat frm remaining in the wund regardless f the degree f the burn.T□ F□5. Putting butter r il n burns helps because it may reduce swelling and ease discmfrt. T□ F□
Cmplete the table t summarise the infrmatin abut first aid fr burns.
tp few millimetres
belw the tp layer
every layer
the tissue underneath
cl running water
still breathe
the hspital at nce
Discuss in grups.What are the pssible ccasins when students are likely t get burnt at schl? What can yu d t help prevent getting burnt?
When getting ht water after class, we are likely t get burnt.
We shuld be careful when getting ht water.
When peple ck in the kitchen, they are likely t get burnt.
We shuld be careful when using fire. We shuld wear ven glves when necessary.