UNIT 5 Section Ⅱ　Understanding the Text -【创新思维】2022-2023学年新教材高中英语选择性必修第二册同步导学案（人教版）

Section Ⅱ　Understanding the Text 人教英语 选择性必修第二册 必备知识 通课文 质量评估 提能力 课时作业 知能提升 Part 1　Reading and Thinking 　　　　　　　　　　 FIRST AID FOR BURNS① The skin is an essential② part of your body and is its largest organ③.Your skin acts as a barrier against disease，toxins④，and the sun's rays⑤.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 人教英语 选择性必修第二册 必备知识 通课文 质量评估 提能力 课时作业 知能提升 gives you your sense of touch⑥.As you can imagine，getting burnt can lead to very serious injuries⑦.The first and most important⑧ step in the treatment of burns is giving first aid. 人教英语 选择性必修第二册 必备知识 通课文 质量评估 提能力 课时作业 知能提升 [读文清障] ①burn n．烧伤，烫伤，灼伤，烧(或烫、灼)的痕迹 vt.& vi.(使)烧毁，烧伤 vi.燃烧；着火 ②essential adj.完全必要的，必不可少的 ③organ/'ɔːɡən/n.(人或动植物的)器官 ④toxin/'tɒksIn/n.毒素(尤指细菌产生的致病物质) ⑤ray/reI/n.光线；光束；(热、电等)射线 人教英语 选择性必修第二册 必备知识 通课文 质量评估 提能力 课时作业 知能提升 ⑥sense of touch触觉 ⑦injury n．(对躯体的)伤害，损伤 ⑧first and most important首先也是最重要的 [句式评析] 此处为as引导的非限制性定语从句，as指代后面的主句。 人教英语 选择性必修第二册 必备知识 通课文 质量评估 提能力 课时作业 知能提升 CAUSES OF BURNS You can get burnt by a variety of things：hot liquids，steam，fire，radiation⑨，the sun，electricity，acids⑩，or other chemicals. TYPES OF BURNS Burns are divided into three types，depending on the depth of skin damage. 人教英语 选择性必修第二册 必备知识 通课文 质量评估 提能力 课时作业 知能提升 ·First­degree burns These affect only the top few millimetres⑪ of the skin. These burns are not serious.Examples include mild sunburn⑫ and burns caused by other minor household incidents. ·Second­degree burns These go below the top layer⑬ of the skin.They are serious and take a few weeks to get better.Examples include burns caused by hot liquids. 人教英语 选择性必修第二册 必备知识 通课文 质量评估 提能力 课时作业 知能提升 ·Third­degree burns These affect every layer of the skin，and sometimes the tissue⑭ under it.Examples include burns caused by electric⑮ shocks，burning clothes，or petrol fires.These burns cause very severe internal