（2019版）新人教版选择性必修第二册Unit 5First AidReading and Thinking ppt课件(002).pptx

1、Unit 5 First AidReading and ThinkingPhrases: sense of touch; electric shock 1Read about the first aid for burns and a story about an emergency situation23Words: technique; organ; toxin; ray; radiation; acid; minor; layer; electric ; victimWork in groups. Discuss the questions.Lead inWhat is the pers

2、on doing in the photo?1 Before you read, discuss these questions in groups.1 What first-aid techniques do you know of?2 If someone you know suffered a burn, what would you do?The skin is an essential part of your body and is its largest organ. Your skin acts as a barrier against disease, toxins, and

3、 the suns rays. 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. As you can imagine, getting burnt can lead to very serious injuries. The first and most important step in the trea

4、tment of burns is giving first aid.CAUSES OF BURNSYou can get burnt by a variety of things: hot liquids, steam, fire, radiation, the sun, electricity, acids, or other chemicals.FIRST AID FOR BURNSFirst-degree burnsdry, red, and mildly swollenmildly painfulturn white when pressedSecond-degree burnsre

5、d and swollen; blisters; watery surfaceextremely painfulThird-degree burnsblack and whiteswollen; the tissue underneath can often be seenlittle or no pain if nerves are damaged; may be painful around the edges of the burnTYPES OF BURNSBurns are divided into three types, depending on the depth of ski

6、n damage.First-degree burns These affect only the top few millimetres of skin. These bums are not serious. Examples include mild sunburn and burns caused by other minor household incidents.Second-degree burns These go below the top layer of the skin. They are serious and take a few weeks to get bett

7、er. Examples include bums caused by hot liquids.Third-degree burns These affect every layer of the skin, and sometimes the tissue under it. Examples include burns caused by electric shocks, burning clothes, or petrol fires. These burns cause very severe internal injuries and the victim must go to th

8、e hospital at once.CHARACTERISTICS OF BURNS1 Place burns under cool running water, especially within the first ten minutes. The cool water stops the burning process and reduces the pain and swelling.2 Dry the burnt area gently with a clean cloth.3 Remove any clothes using scissors if necessary, unle

9、ss you see the fabric sticking to the burnt skin.4 Cover the burnt area with a loose clean cloth. Applying oil to the injured areas is a bad idea, as it will keep the heat in the wounds and may cause infection.5 If burns are on the face, make sure the victim can still breathe.6 If the victim is suff

10、ering from second or third-degree burns, there is an urgent need to take him/her to the hospital at once.FIRST-AID TREATMENTadvertisement blog post hospital leaflet email newspaper article short story2 Look through the text and identify its style and language features. Then circle its text type from

11、 the list below.1 Your skin gives you protection from many dangerous things. T F2 A first-degree burn has this name because it is the most serious. T F3 Second-degree bums can be the most painful kind of burn. T F4 It is important to use cool water to stop the heat from remaining in the T F wound re

12、gardless of the degree of the bum.5 Putting butter or oil on burns helps because it may reduce swelling and T F ease discomfort. 3 Read again and decide if the following statements are true (T) or false (F).4 Complete the table to summarise the information about first aid for burns.The top few milli

13、metersevery layer below the top layertissuesswollenpainfulwhiteblisterswaterypainfulthe tissue underneathnervescool running waterdryremovecoverbreathehospitalWork in groups5 In groups, discuss the following questions.1 How are people most likely to get burnt?2 What steps can be taken to help prevent

14、 these burns?3 What other advice do you know of about first aid for burns? Is it good advice or bad advice? Why?Language points 1. He went off to the Amsterdam Academy to improve his technique. 他动身前往阿姆斯特丹学院去进修技艺。2. This musician has perfect technique but little expression. 这位音乐家技巧极好，但表现力不足。technique

15、 n. 技术；技能n.【词义辨析】technique, technology 这两个名词均有这两个名词均有技术技术之意。之意。technique : 多指具体的某种技术和技巧。technology含义比technique广泛，泛指生产工艺、科学技术。 technology 技术；工艺； technician 技师，技术员；technical 工艺的，科技的；技术上的；专门的adj.1. His sense of touch gradually took the place of sight. 他的触觉逐步代替了视觉.2. For, you see, they trusted their own

16、 sense of touch very much. 因为你知道他们非常相信自己的触觉.sense of touch 触觉【拓展】make sense of 弄懂sense of humor 幽默感sense of hunger 饥饿感sense of satisfaction 满意感sense effect of sight 视觉效果sense of sight 视觉sense of belonging 归属感3. 预习 Unit 5-Build up your vocabulary.1. Recite new words and phrases.2. Write a composition : a story about first aid.Bye-bye!