Unit 5 单元知识回扣5 First Aid（Word教参）-【精讲精练】2025-2026学年高中英语选择性必修第二册（人教版）

该高中英语单元复习讲义通过例句、表格等工具系统构建知识体系，核心词汇结合语境例句强化理解，拓展词汇以词性转换构建网络，重点句型用表格对比教材原句与仿写，清晰呈现语言知识脉络及内在联系。 讲义亮点在于“语境化运用”设计，核心词汇例句与单元整合短文让词汇在情境中复现，提升语言能力；句型仿写训练逻辑表达，培养思维品质。分层支持基础与提升需求，助力教师精准教学，学生自主复习效率高。

[对应学生用书P91] Ⅰ.核心词汇 1．When seeing a hungry grizzly bear walking towards me on a freezing cold winter night，I screamed (大声叫) with horror. 2．That evening，Grandma helped me wrap (包) up the New Year presents. 3．I'm writing to tell you that our school will go travelling in the suburb (郊区) this Saturday. 4．A thick cloud of smoke greeted him，so he rushed out of the house without any delay(延误；耽搁). 5．It is most important to chew your food，whether vegetable or meat，before you swallow (咽下) it down. 6．Shoppers are panicked into buying things they don't need during the pandemic. 7．Very small toys can chock a baby. 8．He grabbed my hand tightly and ran quickly to the bus station and we were out of breath in the end. 9．We didn't expect that he finally bled(流血) to death in the severe car accident on a freezing cold morning. 10．I owed so much money to others and I felt so desperate(绝望的) that tears rolled down my cheeks. 11．(2023·全国乙卷·书面表达) I attended an online course to learn the basic techniques (技能，技术)and practiced diligently，even though I kept making mistakes. 12．Last night a boy was drowned (淹死；溺死)in the river，which made his parents heart-broken. Ⅱ.拓展词汇 1．minor adj.较小的； 次要的；轻微的→minority n.少数民族；少数派 2．electric adj.电的； 用电的；电动的→electrical adj.与电相关的→electricity n.电；电流 3．swell (swelled，swollen) vi.膨胀；肿胀→swollen adj. (身体部位)肿起的；肿胀的 4．nerve n.神经→nervous adj.紧张的 5．loose adj.松的； 未系紧的；宽松的→loosely adv.宽松地；松弛地→loosen vt.使变松；松开 6．urgent adj.紧急的； 急迫的；急切的→urgency n.紧迫性；紧急情况 7．ease vt.&vi.(使)宽慰；减轻； 缓解n. 容易； 舒适； 自在→easy adj.容易的；舒适的→uneasy adj.不舒适的(反义词) 8．slip vi.滑倒； 滑落； 溜走 n. 滑倒； 小错误； 纸条→slippery adj.湿滑的；容易打滑的 9．operate vt.操作；经营→operator n.电话接线员； 操作员→operation n.操作；手术 10．interrupt vi.&vt.打断； 打扰vt.使暂停；使中断→interruption n.打断；暂停 11．desperate adj.绝望的； 孤注一掷的； 非常需要的→desperately adv.绝望地→desperation n.绝望；拼命 12．practice n.实践；练习；惯例v. 练习；实习→ practical adj.切实可行的； 实际的； 实践的→practically adv.实际上；几乎 13．tight adj.牢固的； 紧身的； 绷紧的； 严密的 →tightly adv.紧紧地； 牢固地； 紧密地 14．fog n.雾 →foggy adj.有雾的 Ⅲ.重点短语 1．sense of touch触觉 2．electric shock触电；电击 3．vital sign生命体征 4．help sb to one's feet 帮助某人站起身来 5．face up/down面朝上(朝下) 6．sleep in迟起； 睡过头； 睡懒觉 7．out of shape健康状况不好 8．stand by袖手旁观 9．mouth­to­mouth rescue breathing 口对口人工呼吸 10．give first aid 实施急救 Ⅳ.重点句型 1.句型公式：if省略结构 教材原句：Remove any clothes using scissors if necessary，unless you see the fabric sticking to the burnt skin. 仿写1: If necessary，the patient can visit his doctor for further advice. 如果必要的话，病人可向自己的医生咨询更多的建议。 2.句型公式：there is a need to do sth有必要做某事 教材原句：If the victim is suffering from second or third-degree burns，there is an urgent need to take him/her to the hospital at once. 仿写2: Actually，many freshmen are confused about high school life，so there is no need to worry about it too much. 事实上，很多新生都对高中生活感到困惑，所以没有必要太担心。(应用文之建议信) 3.句型公式：as 引导定语从句 教材原句：As you can imagine，getting burnt can lead to very serious injuries. 仿写3：(2022·全国乙卷，书面表达)As is shown by the figures of the chart，thanks to modern technology，a wide range of ways are available for students to polish their English. 如图表所示，由于现代技术，学生有很多方法来提高他们的英语。 4.句型公式：have sth done结构 教材原句：Chen Wei，a high school student in Beijing，had his dinner interrupted when he heard someone screaming from another table. 陈伟是北京的一名高中生，当他听到另一张桌子有人在尖叫时，他的晚餐被打断了。 仿写4：I often communicate with my classmates in English，so I have my spoken English improved ． 我经常与同学们用英语交流，因此，我的英语口语提高了。 Ⅴ.单元词汇整合——背诵下面短文(黑色字体为本单元必备词汇) Many leaflets and manuals offer practical techniques on first aid，which state that calling emergency numbers without delay is the first step.But before paramedics in the ambulance come，you can save yourself or look after others' welfare by using first aid.If you get burned by radiation，acids or other chemicals，don't panic or scream.Instead，remove any clothes unless you see fabric sticking to the burned skin.Then wash it under the running water.With your skin swollen and full of blisters or with your nerves damaged，there is an urgent need to rushto the hospital.Swallowing foods too quickly can cause you to get choked on steak，toast or anything else with ease.Then，people around you can slap on your back，forcing the obstruction out.As for a bleeding nose，neither should you keep your face up，nor should you press your nose tightly.You can use mouth-to-mouth method to save a drowned man.You can apply cold water to the sprained ankle.All in all，learning some first-aid skills makes a great difference. 学科网（北京）股份有限公司 $