单元知识回扣4 Unit 4 Natural Disasters（课件PPT）-【精讲精练】2025-2026学年高中英语必修第一册（人教版）

本高中英语课件系统梳理了Unit 4 Natural Disasters的核心词汇、拓展词汇、重点短语及句型，通过核心词汇配语境例句、拓展词汇含词形变化表、重点句型结合公式与仿写训练，辅以词汇整合短文，构建起“词汇-短语-句型-语篇”的知识网络，体现语言知识的内在逻辑联系。 其亮点在于将语言要素融入语篇实践，通过词汇整合短文（含单元必备词汇）帮助语境记忆，重点句型仿写训练强化表达能力，反思问题引导总结语法与写作手法，既提升语言运用能力又培养思维品质，实现基础巩固到语用提升的分层复习，助力学生高效巩固知识，教师精准开展复习教学。

单 元 知 识 回 扣 Unit 4　Natural Disasters Unit 4　Natural Disasters 1 damage emergencies summary crashed Unit 4　Natural Disasters 1 affect sweep shelter estroyed truck Unit 4　Natural Disasters 1 aving eliver alm Unit 4　Natural Disasters 1 death dead deadly die shock shocking shocked revive revival unify unite suffer suffering sufferer Unit 4　Natural Disasters 1 erupt eruption survive survivor survival power powerful powerless effect effective effectively length long Unit 4　Natural Disasters 1 set up as usual in ruins in shock dig out a home to Unit 4　Natural Disasters 1 in the open air on hand sweep away as many as Unit 4　Natural Disasters 1 was too excited to say a word Unit 4　Natural Disasters 1 It seemed as if Unit 4　Natural Disasters 1 was doing some shopping in the supermarket when Unit 4　Natural Disasters 1 Unit 4　Natural Disasters 1 Unit 4　Natural Disasters 1 Unit 4　Natural Disasters 1 谢谢观看 Unit 4　Natural Disasters 1 Ⅰ.核心词汇 1．Too much drinking will do ______ (伤害) to your health；you should take the doctor's advice. 2．Wherever you live，it's necessary for you to learn to prepare for some ___________ (紧急情况). 3．After the lecture，we were asked to write a _______ (概要) by our teacher. 4．A truck went out of control and _______ (碰撞) into the back of the car. 5．Those kinds of changes could ______ (影响) the food chain. 6．They asked the little boy to _____ (打扫) the room clean. 7．The first thing he did was to find _______ (掩蔽处) from the freezing wind and snow. 8．Two fifths of the buildings were completely d________ in the earthquake last weekend，leaving the whole world shocked. 9．A powerful typhoon s_____ our town several years ago and a large number of people became homeless. 10．His mother stood there，w_____ goodbye to him. 11．It was Tom who helped me d______ the books to my uncle yesterday afternoon. 12．If you are lost in the mountains，stay c___ in the face of darkness，loneliness and the unknown. Ⅱ.拓展词汇 1．_____ n.死；死亡→____ adj.无生命的→______ adj.致命的；彻底的→___ v．死；死亡；灭亡 2．_____ n.震惊；令人震惊的事；休克vt.(使)震惊→________ adj.令人震惊的→_______ adj.感到震惊的 3．______ vt.&vi.复活；(使)苏醒→_______ n.振兴；复苏 4．_____ vi.&vt.统一；(使)成一体→_____ vi.&vt.团结 5．______ vt.遭受；蒙受vi.(因疾病、痛苦、悲伤等)受苦→_________ n.折磨；苦难→________ n.患者 6．_____ vi.&vt.(火山)爆发；(岩浆、烟等)喷出→________ n.火山爆发；(战争等)爆发 7．_______ vi.生存；存活vt.幸存；艰难度过→________ n.幸存者；生还者→________ n.幸存 8．_____ n.电力供应；能量；力量；控制力→________ adj.强大的；有力的→_________ adj.无力的；没有能力的 9．______ n.影响；结果；效果→_________ adj.有效的→___________ adv.有效地；实际上 10．______ n.长；长度→____ adj.长的 Ⅲ.重点短语 1．______ 建立 2．________ 像往常一样 3．________ 严重受损；破败不堪 4．________ 震惊；吃惊 5．_______ 挖掘；发现 6．_________ ……的家园 7．_______________ 露天；在户外 8．_______ 现有(尤指帮助) 9．__________ 消灭；彻底消除 10．__________ 多达 Ⅳ.重点句型 1.句型公式：“too...to...”意为“太……而不能……” 教材原句：Chickens and even pigs were too nervous to eat，and dogs refused to go inside buildings. 仿写1：罗伯特领奖时激动得一句话也说不出来。 Robert _____________________________ when he took the prize. 2.句型公式：as if引导表语从句 教材原句：It seemed as if the world were coming to an end！ 仿写2：大地震后整个城市似乎失去了生命力。 _______________ the whole city lost its life after the powerful earthquake. 3.句型公式：“be doing sth when...”意为“正在做某事，这时(突然)……” 教材原句：I was having breakfast with my three children when water started filling my home. 仿写3：杰克正在超市购物，这时发生了地震。 Jack ______________________________________________ the earthquake happened. 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) It was a shock that for people who lived along the Yangtze River，the summer of 2016 was ruined.A huge typhoon struck East China，which swept away almost everything along its way and caused great damage.The floods and landslides caused by the typhoon caused 161 deaths，leaving 61 missing and some injured.Electricity was cut off，and people were evacuated to live in shelters.The terrible weather had a great effect on flights，so some passengers were trapped at the airport and could hardly stay calm.It seemed as if the area were coming to an end.Hopefully，emergency supplies on hand were delivered to the area and rescue workers did everything in their power to offer aid and bury the dead. Though people who were affected by the disaster suffered a lot，they unified and used their wisdom to make the area breathe again.With joint efforts survivors were helped and houses which were destroyed were rebuilt. ★本单元我学到了哪些语法规则？ ___________________________ ___________________________ ___________________________ ___________________________ ★本单元我学到了什么写作手法？ ___________________________ ___________________________ ___________________________ ___________________________ $$