英语选择性必修 第二册Unit 5 First Aid课前预习ppt课件

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UNIT 5FIRST AID
It’s a great hnr t save a life.-- Leigh Bardug
T get sme basic infrmatin abut first aid.T understand the passage abut first aid fr burns.T knw hw t give prper first aid treatments fr burns.T increase the awareness f the imprtance f knwing abut first aid.
What are they ding?
Emergency care r treatment given t a sick r injured persn befre regular medical aid can be btained.
What is first aid?
Have yu seen CPR used befre?D yu knw hw t d / perfrm it?
The instructr places his r her hands, ne n tp f anther, n the centre f the mdel’s chest and pushes dwn hard.
D yu think it’s imprtant fr the students t learn this? Why?
Here is a shrt vide t help yu get a clear understanding abut CPR.
It is imprtant fr us t learn this technique 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. Hwever, it may take anywhere frm 10-20 minutes befre an ambulance cmes nce yu call an emergency service.
What d yu knw abut Heimlich prcedure (海姆利克氏操作法)?
It is a first-aid prcedure fr disldging (强行去除) an bstructin frm a persn’s windpipe (气管) in which a sudden strng pressure is applied n their abdmen (腹部).
named after Henry J. Heimlich (brn 1920), the American dctr wh develped the prcedure
What are sme ccasins where first aid is used?Why is it imprtant t give first aid?What is the relatinship between first aid and regular medical aid?
What first-aid techniques d yu knw f?If smene yu knw suffered a burn, what wuld yu d?
Befre yu read, discuss these questins in grups.
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.
Here is a shrt vide abut hw t perfrm first aid fr burns.
Read the passage t find its text type.
1. Why is it imprtant t understand text types?2. Hw can yu identify a text type?3. What are sme cmmn text types yu knw abut?
By understanding text types, we can discver the purpse f a text thus predict its cntents.
By paying attentin t the style f writing and language features.
Letter, diary, news, advertisement, etc.
hspital leaflet
factual, infrmatinal, bjective, gives a descriptin f a medical prblem, and tells hw t deal with it, uses the imperative t give advice
advertisement
full f persuasive language and clurful descriptins, talks abut the benefits f a prduct, uses the imperative (祈使句) t tell smene t buy smething
newspaper article
factual, infrmatinal, bjective, answers the wh, what, when, why, and hw questins abut a recent event
blg stands fr web lg, s it is a kind f jurnal r diary, usually tpical in nature, talking abut smething that is current f new in the life f the authr r regarding the authr’s interests
a kind f letter, it shuld have an pening and a clsing like a letter, be addressed t an individual, and be abut a matter which directly cncerns bth the authr and recipient
usually a narrative written in the past tense, it cntains vivid language and clurful descriptins t tell a stry which has a beginning, a middle, and an end
Lk thrugh the text and identify its style and language features. Then tick its text type frm the list belw.
____ advertisement ____ blg pst____ hspital leaflet ____ email ____ newspaper article ____ shrt stry
The text type is a hspital leaflet. We knw this because the passage is written in an bjective infrmatinal style, and deals with a health issue, giving a detailed descriptin f hw t handle this prblem.
Skim the text and cmplete the main idea f it.The text mainly intrduces ______ types f burns and their characteristics as well as hw t give _________________ when burns happen.
first aid treatment
Scan the text. In which rder are these tpics cvered in the text? Number them frm 1 t 5.
__ the three types f burns__ what t d if smene gets burned__ the functins f the skin __ the symptms f burns __ hw we get burns
Read again and decide if the fllwing statements are true (T) r false (F).
1. Yur skin gives yu prtectin frm many dangerus things.2. A first-degree burn has this name because it is the mst serius.3. Secnd-degree burns can be the mst painful kind f burn.
4. It is imprtant t use cl water t stp the heat frm remaining in the wund regardless f the degree f the burn.5. Putting butter r il n burns helps because it may reduce swelling and ease discmfrt.
Part 1 the functins f the skin
functins f the skin
Acts as a barrier against disease, txins, and the sun’s ______;
prevents yur bdy frm _____________________________
warns yu when things are t _____ r _____
gives yu ______________
bdy temperature
lsing t much water
sense f tuch
tncntrl yur ________________
electricity
Part 2 A variety f causes
Causes f burns
secnd degree burn
first degree burn
third degree burn
Part 3 Types & Characteristics f burns
black and whiteswllen; the tissue underneath can be seenlittle r n pain if nerves are damaged; may be painful arund the edges f the burn
red and swllen;blisters; watery surfaceextremely painful
dry, red, mildly swllenmildly painfulturn white when pressed
burned area
Part 4 First aid treatment
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
Read again and fcus n the textual features.
1. What is the genre f the text? Is it a narratin, a descriptin, an argumentatin, r an expsitry writing?2. What kinds f things are mentined in the text?
An expsitry writing.
Functins, causes, different types, characteristics, and prcedures.
3. Is this text mainly written in first, secnd r third persn?
In secnd and third persns.
4. What tense is used?5. Are there any passive vices? Hw d they make yu feel?
The simple present tense.
Yes. They make the text sund bjective.
6. What ther language features did yu find?7. What adjectives can yu think f t describe this text?
Fr example, the –ing frm.
Objective, scientific, prfessinal, specific, clear, cncise, etc.
本文属于说明文(an expsitry writing)。该语篇按照事理逻辑次序安排信息，通过小标题 (CAUSES OF BURNS，TYPES OF BURNS，CHARACTERISTICS OF BURNS及FIRST‑AID TREATMENT) 清晰呈现各部分内容，准确描述烧/烫/灼伤的成因、类型、特征以及急救措施。除用文字说明外，本文还使用了衬底突出部分信息（Characteristics f burns），呈现插图辅助说明急救的操作要领。
本文所用到的说明方法：1) 分类法：在介绍烧/烫/灼伤的类型时，分为了一级、二级、三级，并使用圆点项目符号分条解释。2) 举例法：说明三种烧/烫/灼伤的特点3) 过程说明法：说明烧/烫/灼伤急救流程4) 因果说明法：说明烧/烫/灼伤急救的重要性时使用。先陈述皮肤的重要性，再说明皮肤受到伤害的后果，从而证明烧/烫/灼急救的意义。
Hw are peple mst likely t get burnt?
Mst peple are likely t get burnt in the kitchen, by picking up a ht pan, r by getting cking il spilt n themselves.
In grups, discuss the fllwing questins.
2. What steps can be taken t help prevent these burns?
Being aware f the danger is a gd first step. Fr example, yu shuld check t see if the burner is n befre tuching a pan n the stve. Yu shuld als use ven mitts when tuching a ht pan. If yu are using cking il, yu shuld make sure that the pt is set firmly n the stve s that it cannt spill, and that it is nt t full f il.
3. What ther advice d yu knw f abut first aid fr burns? Is it gd advice r bad advice? Why?
I had an uncle wh said that yu shuld put vinegar n burns. I think that this is terrible advice, because it can cause pain and can dry ut the skin.
4. What are the pssible ccasins when yu are likely t get burnt at schl?When getting ht water after class, we are likely t get burnt.5. What can yu d t help prevent getting burnt?We shuld be careful when getting ht water.6. What are the pssible ccasins when peple are likely t get burnt at hme?When peple ck in the kitchen, they are likely t get burnt.7. What can we d t help prevent getting burnt?We shuld be careful when using fire. We shuld wear ven glves when necessary.
1. Suppse yu are a patient and yur partner is a dctr. Yu get mild sunburn and yu are nt sure hw serius it is. Please ask yur partner questins t get t knw what degree f burns yu have gt. 2. Interview. Suppse yu are a reprter and yur partner is a dctr. Make up at least 5 questins t interview him abut hw t give first aid treatment t a burnt persn.