Unit 5 First Aid Reading and Thinkingppt课件-（2022新）人教版高中英语选择性必修第二册 (2).pptx

1、Unit 5 First aid Reading and thinkingFIRST AID FOR BURNSAccidents will happen.A storm may arise from a clearsky, while human fortunes are asunpredictable as the weather. Lead inLook and discussCan you describe the picture?The instructorThe victimThe student places her hands on the centre of victims

2、chest and pushes down hard under the guidance of the instructor.What are the students learning in the picture? The students are learning basic first aid, in particular CPR.The studentWhat is “First Aid”?First aid is the first and immediate assistance given to any person suffering from either a minor

3、 or serious illness or injury.The aim is to preserve life, prevent further harm and promote recovery.Lead inPre-readingLearn about first aid for burnsIf someone you know suffered a burn, what would you do? Dos and DontsBurst blistersRinse the burn with cold waterRinse the burn with ice Put butter on

4、 the burn to soothe the pain. Put antibiotic ointment(抗生素软膏) and loosely cover with gauze. Why?Please find the reasons through reading the text below or surfing the Internet after class. Task 1:What is the text type of the passage ? _ advertisement _ blog post_ hospital leaflet _ email_ newspaper ar

5、ticle _ short storyUnderstand text typesDifferent kinds of texts can be identified by their style of writing and language features. By understanding the text type of a piece of writing, you can better understand its purpose. You can also better understand where to find information in the text, and w

6、hat kind of information it is likely to contain.While-readingTask 2: Find out the main idea and structure of the passage Part 1: The functions of the_Part 2: _of burnsPart 3: _of burnsPart 4: _of burnsPart 5: _for burnsskinCausesTypesFirst aid treatmentCharacteristicsThe main idea of the passage:The

7、 skin is an essential part of your boby and is its largest organ. Your skin acts as a barrier against disease,toxin, and 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 t

8、ouch. As you can imagine, getting burnt can lead to very serious injuries. The first and most important step in the treatment of burns is giving first aid.Part 1 (para 1)Discourse Analysis introduction function topic sentenceSolve the following questions:1.What are the causes of burns?2.How many typ

9、es of burns are there?And what are they?3.What are the characteristics of each burn?Discourse Analysis Part 2 steamradiationH2SO4fire1. CAUSES OF BURNS hot liquidelectricitychemical2. TYPES OF BURNSBurns are divided into three types, depending on the depth of skin damage. A: First-degree burns These

10、 affect only the top few millimetres of the skin. These burns are not serious. Examples include mild sunburn and burns caused by other minor household incidents. B: Second-degree burns These go below the top layer of the skin.They are serious and take a few weeks to get better. Examples include burn

11、s caused by hot liquids. C: Third-degree burns These affect every layer of the skin , and sometimes the tissue under it. Examples included burns caused by electric shocks, burning clothes, or petrol fires. These burns cause very severe internal injuries and the victim must go to the hospital at once

12、.the top layerthe 2nd layerthe 3rd layernerveThree layers of the skinE s s e n t i a l p a r t a n d t h e l a r g e s t o r g a nPart 4 : Characteristics of burnsred and swollen; _ _ _painful Typessecond degree burnsfirst degree burns third degree burnsdry, red and mildly _ painfulblack, white, swo

13、llen _can be seen_ pain if nerves are damagedCharacteristicsFeelingsblisterswatery surfaceextremely mildlyswollentissuelittle or noSelina suffers the _ degree burns because of a fire in a studio. third1. Why did place burns under the cool running water, especially within the first ten minutes?2. Can

14、 you remove any clothes if you see the fabric sticking to the burnt skin.Why?Discourse Analysis Part 3: Read the last paragraph-first aid treatment1. Place burns under cool running water, especially within the first ten minutes. The cool water stops the burning process and reduces the pain and swell

15、ing.2. Dry the burnt area gently with a clean cloth.3. Remove any clothes using scissors if necessary, unless you see the fabric sticking to 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 ca

16、use infection.5. If burns are on the face, make sure the victim can still breathe.6. Get the victim to the doctor or hospital, if burns are second or third degree.Discourse Analysis Part 3: First aid treatment function Donts A: The burns are caused by touching the pot. It belongs to the First-degree

17、 burns, because these affect only the top few millimetres of the skin. The burns are not serious .Its characteristics are red, mildly swollen, turn whilte when pressed. We should place burns under cool running water, at least ten minutes. Then cover the burnt area gently with a loose clean cloth. B:

18、 Tt belongs to the second- degree burns, which caused by hot liquids . The burns are go below the top layer of the skin. They are serious. The characteristics are red and swollen, blisters , wartery surface. Extremely painful. We should dry the burnt area gently with a clean cloth, and take him to t

19、he hospital.C: We can know PongeBob got burned all over his body, and his skin became charred. Tt belongs to the third -degree of his burns. It was causes by fire. These affect every layer of the skin, and the tissue under the skin. Black and white , swollen. If necessary , remove any clothes uing scissors; and there is an urgent need to take him to the hospital at once.Accidents can happen to anyone at any time.Thank you!