2021新版人教版选修二英语UNit5 FirstAid 阅读课优质课展评 ppt课件.pptx

1、By the end of this period, you will be able to: Learning Objectives： 1. Share knowledge and language about the first aid for burns 2. Figure out the structure of the passage 3. Judge the writing purpose and intended readers of the passage 4. Express your ideas on the given topics through critical th

2、inking Step I. Leading in First aid is an emergency care or treatment given to a sick or injured person before regular medical aid can be obtained. Step II. Prediction Unit 5 FIRST AID FOR BURNS Causes of burns You can get burnt by a variety of things: hot liquids, steam, fire, radiation, the sun, e

3、lectricity, acids, or other chemicals . Types of burns Burns are divided into three types, depending on the depth of skin damage A: First-degree burns These affect only the top few millimetres of the skin. These burns are not serious. Examples include mild sunburn and burns caused by other minor hou

4、sehold 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 burns caused by hot liquids. C: Third-degree burns These affect every layer of the skin , and sometimes the tissue under it. Examples included burns

5、 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. FIRST-AID TREATMENT 1. Place burns under cool running water, especially within the first ten minutes.The cool water stops the burning process

6、and reduces the pain and swelling. 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. 5. If burns are on the face, make sure the victim can still breat

7、he. 6. take the victim to the doctor or hospital, if burns are second or third degree. Characteristics of burns: First - degree burns: drydry, red and mildly swollen; mildly painful; turn white when pressed Second- degree burns: red and swollen; blisters ; watery surface;extremely painful Third-degr

8、ee burns: black and white swollen; the tissue underneath can often be seen; little or no pain if nerves are damaged; may be painful around the edge of the burn. The skin is an essential part of your body and is its larget organ. Your skin acts as a barrier against disease, toxins, and the suns rays.

9、 It also helps control your body temperature, prevents,warns and gives you your sense of touchAs you can imagien ,getting burnt canlead to very serious injuries. Lets read! Please focus on the style of writing and the structure of the passage Whats the writing style of the passage? Narration（记叙文） Ar

10、gumentation（议论文） Expository writing（说明文） The 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 to

11、o 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 importantstep in the treatment of burns is giving first aid. Burns are divided into three types, depending on the depth of skin damage A: First-degree burns These

12、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 burns

13、 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.

14、 First - degree burns: drydry, red and mildly swollen; mildly painful; turn white when pressed Second- degree burns: red and swollen; blisters ; watery surface;extremely painful Third-degree burns: black and white swollen; the tissue underneath can often be seen; little or no pain if nerves are dama

15、ged; may be painful around the edge of the burn. 1. 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 neces

16、sary, unless you see the fabric sticking to burnt skin. 4. Cover the burnt area with a loose clean cloth. 5. If burns are on the face, make sure the victim can still breathe. 6. take the victim to the doctor or hospital, if burns are second or third degree. Characteristics of burns First aid treatme

17、nt of burns The function of the skin Tpes of burns Causes of burns You can get burnt by a variety of things: hot liquids, steam, fire, radiation, the sun, electricity, acids, or other chemicals . Causes of burns Structure of the passage 1 2 3 4 5 Part 1 Part 2 Part 3 The skin is an essential part of

18、 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 touch. As you can imagine, get

19、ting 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 sentence Solve the following questions: 1.What are the causes of burns? 2.How many types of burns are there?An

20、d what are they? 3.What are the characteristics of each burn? Part 2 Discourse Analysis steam radiation H2SO4 fire 1. CAUSES OF BURNS hot liquid electricity chemical 2. TYPES OF BURNS Burns are divided into three types, depending on the depth of skin damage. A: First-degree burns These affect only t

21、he 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 burns caused by ho

22、t 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. the top laye

23、r the 2nd layer the 3rd layer nerve Three layers of the skin Essential part and the largest organ 3.CHARACTERISTICS OF BURNS First - degree burns: dry, red and mildly swollen mildly painful turn white when pressed Second- degree burns: red and swollen; blisters ; watery surface extremely painful Thi

24、rd-degree burns: black and white swollen; the tissue underneath can often be seen little or no pain if nerves are damaged; may be painful around the edge of the burn 1. Why did place burns under the cool running water, especially within the first ten minutes? 2. Can you remove any clothes if you see

25、 the fabric sticking to the burnt skin.Why? Discourse Analysis Part 3: Read the last paragraph-first aid treatment 1. 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 gentl

26、y 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 cause infection. 5. If burns ar

27、e 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 Step IV. Pragmatic Analysis 1. Whats the writing purpose of the article? 2. Where can you possibly re

28、ad this article? 1 4 3 2 The 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, a

29、nd 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 treatment of burns is giving first aid. Causes of burns You can get burnt by a variety of things: hot liquids, steam, fire, radiation, the sun, electricity,

30、acids, or other chemicals . Types of burns Burns are divided into three types, depending on the depth of skin damage A: First-degree burns These 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 incid

31、ents. 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 burns 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 e

32、lectric shocks, burning clothes, or petrol fires. These burns cause very severe internal injuries and the victim must go to the hospital at once. First -aid treatment 1. Place burns under cool running water, especially within the first ten minutes.The cool water stops the burning process and reduces

33、 the pain and swelling. 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. 5. If burns are on the face, make sure the victim can still breathe. 6. take

34、 the victim to the doctor or hospital, if burns are second or third degree. Characteristics: First - degree burns: drydry, red and mildly swollen; mildly painful; turn white when pressed Second- degree burns: red and swollen; blisters ; watery surface;extremely painful Third-degree burns: black and

35、white swollen; the tissue underneath can often be seen; little or no pain if nerves are damaged; may be painful around the edge of the burn. Step IV. Pragmatic Analysis 5 Step IV. Pragmatic Analysis 1. Whats the writing purpose of the article? 2. Where can you possibly read this article? advertiseme

36、nt blog post hospital leaflet email newspaper aticle short story To tell the readers how to give first aid if someone gets burnt. Types of burns first-degree burns . second-degree burns. third-degree burns. Charcterstics of burns dry, red, and mildly swollen,mildly painful,turn white when prssed red

37、 and swollen;blisters;watery surface;extremely painful black and whilte, swollen., little or no pain if nerves are damaged;may be painful around the edges of the burn Causes of burns a variety of things: hot liquids, steam, fire,radiation, the sun, electricity or other chemicals Step V. Critical thi

38、nking First-aid treatments under cool running water dry the burnt area with a clean cloth romove any clothes cover the burnt area with a loose clean cloth take the victims to the hospital Step V：Critical thinking A B C Show time! A: The burns are caused by touching the pot. It belongs to the First-d

39、egree 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 clot

40、h. B: 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

41、 to the 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. Exchange more advice on first aid for burns with your classmates. But you can be the difference between life and death. So try to learn more about first aid in daily life. Thank you ！