Unit 2 Section Ⅰ Welcome to the unit & Reading（课件PPT）-【精讲精练】2025-2026学年高中英语必修第三册（译林版）

该高中英语课件围绕“Natural disasters”主题，系统梳理自然灾害相关词汇（如disaster, injury, relief）、语法结构（如when引导的时间状语从句“The moment...”）及语篇理解技巧，通过“Welcome to the unit”导入，以基础梳理为支架，构建从词汇到语法再到语篇的连贯学习脉络。 其亮点在于分模块递进设计，通过“基础梳理-语篇理解-核心知识-巩固提升”培养语言能力（如辨析injure/injured/injury）和思维品质（语篇选择题分析推断），学习支架帮助学生系统掌握知识，教师可高效实施分层教学，助力学生提升综合语言运用能力。

Section Ⅰ　Welcome to the unit & Reading Unit 2　Natural disasters 栏目导航 Unit 2　Natural disasters 1 栏目导航 基础梳理•新知落实 01 语篇理解•要点领悟 02 核心知识•关键能力 03 随堂演练•巩固提升 04 课时作业•知能达标 05 栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 基础梳理•新知落实 栏目导航 栏目导航 Unit 2　Natural disasters 1 county disaster crash 栏目导航 Unit 2　Natural disasters 1 exit stair confirm procedure tsunami occur 栏目导航 Unit 2　Natural disasters 1 injury injure injured react reaction relieve relief safe safely safety frighten frightened frightening destruction destructive 栏目导航 Unit 2　Natural disasters 1 at to and of to head 栏目导航 Unit 2　Natural disasters 1 of to of in 栏目导航 Unit 2　Natural disasters 1 was teaching when The moment the shaking stopped 栏目导航 Unit 2　Natural disasters 1 语篇理解•要点领悟 栏目导航 栏目导航 Unit 2　Natural disasters 1 C D A B 栏目导航 Unit 2　Natural disasters 1 B C A 栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 when properly remained to exit 5/five It twice 栏目导航 Unit 2　Natural disasters 1 warm walking However which were saved 栏目导航 Unit 2　Natural disasters 1 核心知识•关键能力 栏目导航 栏目导航 Unit 2　Natural disasters 1     栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 injured injuries have injured her pride 栏目导航 Unit 2　Natural disasters 1     栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 hold off hold out hold back her anger hold on to the last 栏目导航 Unit 2　Natural disasters 1     栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 in in 栏目导航 Unit 2　Natural disasters 1 in which case he is likely to get into the national team 栏目导航 Unit 2　Natural disasters 1     栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 in what It has been confirmed that 栏目导航 Unit 2　Natural disasters 1     栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 It never occurred to me that It occurred to/struck/hit her that 栏目导航 Unit 2　Natural disasters 1 to occur 栏目导航 Unit 2　Natural disasters 1     栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 What a relief with relief To my great relief 栏目导航 Unit 2　Natural disasters 1     栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 she had safely arrived to inform you that inform him of 栏目导航 Unit 2　Natural disasters 1     栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 to to Faced 栏目导航 Unit 2　Natural disasters 1 Facing so much trouble Faced with so much trouble In the face of so much trouble 栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1     栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 was driving was about to give up when was on the point of giving up when 栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1     栏目导航 Unit 2　Natural disasters 1 栏目导航 Unit 2　Natural disasters 1 the first time I saw her in class The next time you feel 栏目导航 Unit 2　Natural disasters 1 the moment/ the instant/immediately/directly 栏目导航 Unit 2　Natural disasters 1 随堂演练•巩固提升 栏目导航 栏目导航 Unit 2　Natural disasters 1 injured relief when with safety to join 栏目导航 Unit 2　Natural disasters 1 a enjoying that themselves 栏目导航 Unit 2　Natural disasters 1 hold on to were slightly injured 栏目导航 Unit 2　Natural disasters 1 safe and sound The moment I saw my old friend keep their head 栏目导航 Unit 2　Natural disasters 1 informed him of In the face of danger To my great relief 栏目导航 Unit 2　Natural disasters 1 课时作业•知能达标 栏目导航 课时作业•知能达标 栏目导航 Unit 2　Natural disasters 1 谢谢观看 栏目导航 Unit 2　Natural disasters 1 1．语言能力 能够掌握与自然灾害相关的词汇和短语，如“earthquake(地震)”“flood(洪水)”“typhoon(台风)”“volcanic eruption(火山喷发)”等，学会运用正确的时态和语态描述自然灾害及其影响，能够准确使用情态动词“should”和“ought to”表达建议和警告；提升学生的英语听说读写能力，使其能够听懂关于自然灾害的新闻报道和对话，提取关键信息，流畅地表达自己对自然灾害的看法，并能围绕该话题进行写作，如撰写灾害报告、新闻报道等。 2．文化意识 了解不同国家和地区面对自然灾害时的文化差异和应对方式，认识到自然灾害是全球性问题，增强跨文化交际意识；培养学生对自然的敬畏之心和保护环境的责任感，理解人类活动与自然灾害之间的联系。 3．思维品质 通过分析自然灾害的成因、影响和应对措施，培养自己的批判性思维和逻辑思维能力，使其能够从不同角度思考问题；鼓励学生在小组讨论和活动中积极创新，提出独特见解和解决方案，提高创新思维和团队合作能力。 4．学习能力 学会运用多种学习策略，如利用网络资源、查阅书籍等方式自主获取关于自然灾害的英语知识；培养自己的合作学习能力，使其在小组活动中学会倾听他人意见，共同完成学习任务提高自主学习和解决问题的能力。 Ⅰ.重点单词 基础单词 1．_______n.郡，县 2．________ n.灾难，灾害；彻底失败 3．_____ n.碰撞声，破裂声；崩溃 v.碰撞，撞击；崩溃 4．____ v.出去，离去，退场，退出 n.出口，通道；离开 5．_____ n.楼梯；阶梯 6．_______ v. 证实，确认；批准 7．_________ n.程序，步骤，手续 8．_______ n.海啸 9．_____ v.发生，出现；存在于(过去式及过去分词 occurred) 拓展单词 10．______ n.损伤，受伤处→______ v. 受伤，损害，使受伤→_______ adj.受伤的 11．_____ v.反应，回应，抗拒→________ n.反应，回应；化学反应 12．_______ v. 解除，缓解→______ n.宽慰，安心，减轻，救济 13．____ adj.安全的→______ adv.安全地→______ n.安全 14．________ vt. 吓唬，恐吓→__________ adj.害怕的，受惊的→___________ adj.吓人的，恐怖的 15．___________ n.破坏，毁灭，灭亡，摧毁→___________ adj.破坏性的，毁灭性的，有害的 Ⅱ.重点短语 1．__ large全部，整个 2．hold on __抓住不放，坚持 3．safe ___ sound安然无恙 4．the basic knowledge __……的基础知识 5．occur __ sb 发生在某人身上，想起…… 6．keep one's ____保持冷静 7．warn sb __ 警示某人…… 8．__ one's relief让某人欣慰的是 9．clear...__...清理……上的…… 10．__ the face of在……面前，面对……，面临…… Ⅲ.重点句型 1．Alice Brown，...，_________________ the floor began to shake. 爱丽丝·布朗正在上课，这时地板开始摇晃。 2．______________________________，Miss Brown sensed it was the best time for the class to make their escape. 晃动停止的那一刻，布朗女士意识到这是全班同学逃离的最佳时机。 Ⅰ.Scan the texts and match the main idea with each paragraph. Text 1 A．The students exited the classroom properly. B．Safety procedures practice made a difference. C．Students and teachers succeeded in the quake escape. D．Proper reaction to the earthquake. 1．Para.1 ___　2.Para.2 ___　3.Para.3 ___ 4．Para.4 ___ Text 2 A．People rushed to the safe place before the tsunami. B．A 10-year-old girl helped people escape danger. C．Signs of an approaching tsunami. 5．Para.1 ___　6.Para.2 ___　7.Para.3 ___ Ⅱ.Read the texts carefully and choose the best answers. 1．Which one can describe Alice Brown's students' reaction to the earthquake? A．Frightened. B．Panicked. C．Quick and proper.　 D．Mistaken. 2．Why did Alice Brown open the classroom door? A．Because she wanted to call for help. B．Because she wanted to protect the door. C．Because the door may hurt students. D．Because the door may be damaged and couldn't open. 3．When was the best time for the class to make their escape? A．As soon as the shaking began. B．As soon as the shaking stopped. C．As soon as rescuers came. D．During the earthquake. 4．What made pupils manage to escape the earthquake? A．The strong buildings. B．The slight earthquake. C．The timely first aid. D．Practising earthquake safety procedures regularly. 5．What did Sabrina notice about the sea? A．Some signs of an approaching tsunami. B．Some signs of undersea earthquake. C．The surface of the sea was calm. D．The boats on the sea. 6．What was Sabrina's parents' first reaction to her warning? A．Approving.　 B．Unbelievable. C．Frightened.　 D．Shocking. 7．What can be learned about Sabrina from the passage? A．She was frightened during the whole course. B．She talked to a safety officer in person. C．She mastered some knowledge of tsunami. D．She cleared of the people on the beach by herself. 答案　1—7　CDBDABC Ⅲ.Complete the passage according to the texts. Text 1 In Falmont，Alice Brown was giving a lesson to students 1.____ an earthquake shook the town.The students reacted 2.________(proper): they moved under the desks and held on to the legs and 3.________(remain) still and waited calmly and quietly. When the shaking stopped，the teacher signaled them 4._______(exit) the playground with hands on the heads.Luckily，only 5.______ students were slightly injured. 6．__ was the practice of earthquake safety procedures 7._____(two) a year that helped the students during the quake. Text 2 On 20 December，the day began as usual，8.____ with soft wind and with people 9._______ (walk)，running or simply sitting on the sandy beach.10._______，a 10-year-old girl noticed something odd.The water was frothy and coming in and in and in，11._____ were signs of an approaching tsunami.She told the safety officer about the signs.Thanks to the girl，around 100 people 12.__________(save). [核心词汇·练透] 1．injure vt.损害；伤害；损坏(名誉)；伤害(感情) be/get injured　受伤 injure one's pride　伤害某人的自尊心 injured adj.　受伤的；受委屈的 the injured　伤者 injury n.　伤，伤口，伤害 Don't do that.You will do yourself an injury. 别这样做，你会把自己弄伤的。 The injured were sent to hospital in Beijing during the earthquake. 他们当中伤者被送到北京一家医院。 Two-thirds of them died or were injured during the earthquake. 他们当中2/3的人在地震中死去或受伤。 [即学活用] 单句语法填空/完成句子 ①She got _______ (injure) while skating. ②Many common ________(injure) happen every day at home. ③Your remark may ______________________． 你的话也许伤了她的自尊心。 2．hold on to抓紧，不放手；坚持 hold back　阻挡；隐瞒；抑制，控制(感情等) hold off　不开始，延迟；推迟 hold out　维持，坚持；抵抗，幸存 hold together　(使)保持团结；合乎逻辑，连贯 hold up　 支持住；搀扶；举起；抬起；延迟；阻碍；举出(例子) If an overweight person is having a large portion，I'll hold back a bit because I see the results of his eating habits. 如果一个超重的人吃很大一份，我会忍住一点，因为我看到了他饮食习惯的结果。 She smiled and could not hold back tears of joy. 她笑了起来，禁不住流下喜悦的眼泪。 The doctors hold out little hope of his recovery. 医生们对他的康复不抱多大希望。 [即学活用] 完成句子 ①Could you ________ (推迟)making your decision for a few days? ②We can stay here for as long as our supplies ________ (维持). ③She just managed to ___________________ (压住了怒火). ④They were determined to ___________________ (坚持到最后). 3．in case n.情况；病例；案例 in case　假使；如果，万一 in case of　假使；以防 in this/that case　如果是这样/那样的话 in any case　无论如何，总之 in no case　决不(置于句首时，句子要部分倒装) as is often the case　这是常有的事 It is often the case that anything is possible for those who hang on to hope. 通常情况下，对于那些坚持希望的人，一切皆有可能。 There are thousands of new cases of AIDS in Africa. 非洲每年都会出现数千个艾滋病新病例。 [名师点津]　case表示情况，若有定语从句修饰，并且case在从句中作状语，后面的定语从句多用where引导，类似的还有：situation，point，position，stage等。 [即学活用] 单句语法填空/句式升级 ①Leave your key with your neighbor __ case you lock yourself out one day. ②We must apply what we have learned to our daily work because __ no case should theory be separated from practice. ③He may win the competition.In this case he is likely to get into the national team. →He may win the competition，_______________________________ _____________________．(非限制性定语从句) 4．confirm vt.(尤指通过提供证据)证实；证明；确定，确认；批准 confirm sb in sth　使某人确信某事 It has been confirmed that...　已经确定…… The family called the Italian Culture Ministry; the official confirmed that the paintings were original and worth as much as $50 million. 这家人给意大利文化部打电话，官方肯定这些画是原版，价值高达5 000万美元。 His new role could confirm him as one of our leading actors. 他的新角色会确保他跻身我们一流演员之列。 I looked at the X-ray again，and more tests confirmed it wasn't the cancer but tuberculosis. 我又看了看这张X光片，更多的检测证实这不是癌症而是肺结核。 [即学活用] 单句语法填空/完成句子 ①The latest evidence confirmed me __ his honesty. ②My younger brother will confirm ____ I have told you. ③________________________ the meeting will take place next week. 已经确定会议于下周召开。 5．occur vi.发生；出现 sth occurs to sb　某人突然想起某事 It occurs to/strikes/hits sb that...　某人突然想起…… It occurs to sb to do sth　某人突然想起做某事 We are the products of evolution，and not just evolution that occurred billions of years ago. 我们是进化的产物，而且不仅仅是数十亿年前的产物。 Now it occurred to him that his farm had much potential and that the death of the cow was a bit of luck. 现在看来好像他的农场是非常有潜能的，奶牛的死也似乎给他带来了好运气。 [即学活用] 完成句子 ①__________________________ you could succeed in persuading him to buy the products. 我从未想到过你能说服他购买这些产品。 ②_______________________________ she should adopt the homeless child. 她突然想到她应该收养这个无家可归的孩子。 ③There were all sorts of disasters that used ________ on the way to and from work. 过去，在上下班的路上经常发生各种各样的悲剧。 6．relief n.减轻；宽慰 with relief　欣慰地；释然 in relief　欣慰地 feel a sense of relief　如释重负 find relief from　从……中摆脱出来 give a sign of relief　轻舒一口气 It is a relief to...　……是让人欣慰/轻松的事 To one's relief...　令某人欣慰的是…… I felt a great relief when I heard I had passed the examination. 听说已经通过了考试，我感到轻松多了。 To our great relief，the children all arrived home safely. 孩子们都安全到家，使我们长舒了一口气。 Behind me I could hear other girls sigh in relief. 我能听到身后其他几个女孩都如释重负地松了口气。 He watched with relief as the girl nodded. 他欣慰地看着女孩点头。 It was a relief to be able to talk to someone about it. 能和别人谈谈这件事是一种解脱。 [即学活用] 完成句子 ①—Don't worry，Mum.The doctor said it was only the flu. —_____________!I'll tell Dad there's nothing serious. ——妈妈，不要担心。医生说这仅仅是流感。 ——真是松了口气！我要告诉爸爸没什么严重的。 ②Lala smiled ___________．拉拉轻松地笑了。 ③__________________，I wasn't late.我深感宽慰的是我没有迟到。 7．inform v.通知；告知 inform sb of sth　告知某人某事 inform sb that...　通知某人…… inform sb＋疑问词＋to do　告知某人…… inform on/upon/against sb　告发某人；供出某人 informed adj.　明智的；有知识的；了解情况的 keep sb informed (of sth)　告知某人(某事) Inform a friend of your targets so they can help motivate you as well. 把你的目标告诉你的一位朋友，这样他们也会帮忙鼓励你。 The professor's letter informed us how and when he was expected to arrive in Beijing. 那位教授的来信告知我们他预定来北京的时间和所选择的交通工具。 We were informed that a big fire had broken out in the next town. 我们被告知邻镇发生了一场大火。 Have you informed the boss of your wish to leave? 你告诉老板你想离开了吗？ The headmistress informed us that the school would be closed for one day. 女校长通知我们学校将停课一天。 [名师点津]　“...sb of sth”结构知多少？ rob sb of sth抢劫某人某物 rid sb of sth使某人摆脱某物 inform sb of sth通知某人某事 warn sb of sth警告某人有某情况 remind sb of sth使某人想起某事 accuse sb of sth控告某人犯某罪 convince sb of sth让某人相信某事 cure sb of sth治好某人的病；改掉某人的坏习惯 [即学活用] 句型转换/完成句子 ①I informed her mother of her safe arrival. →I informed her mother that ______________________． ②I am happy __________________(告诉你) you have been promoted to captain. ③I would like you to _____________ (通知他)the meeting this afternoon. 8．face vt.面对；面临(困难等)；面向 n.脸；表情； (物体的) 表面，正面 be faced with　面临，面对 face up to　敢于面对 in the face of　面对……；在……面前 face to face　面对面 lose face　丢脸 Write a poem about how courage，determination，and strength have helped you face challenges in your life. 写一首诗，谈谈勇气、决心和意志是如何在生活中帮你面对困难的。 This is what my father has taught me—to always face difficulties and hope for the best. 这就是父亲教我的——总是直面困难，并且抱最大的希望。 [即学活用] 单句语法填空/句式升级 ①Facing up __ your problems rather than running away from them is the best approach to working things out. ②Today we have chatting rooms，text messaging and emailing，but we seem to be losing the art of communicating face __ face. ③_______(face) with danger，the man can always keep his head. ④We faced so much trouble，so we failed to complete the task on time. →______________________，we failed to complete the task on time.(现在分词短语作状语) →__________________________，we failed to complete the task on time.(过去分词短语作状语) →______________________________，we failed to complete the task on time.(介词短语作状语) [重点句型·通关] 1．(教材P16)Alice Brown，...，was teaching when the floor began to shake. 爱丽丝·布朗正在上课，这时地板开始摇晃。 [句式分析] 本句是be doing...when...句型。when在句中作并列连词，意为“这时(突然)”，相当于 and then，and at that time。 when作并列连词时常用于以下句型中： (1)be on the point of doing...when...正在做……这时…… (2)be about to do...when...＝ be on the point of doing sth when... 正要做……这时…… (3)had hardly done...when...刚做了……这时…… He had just finished his homework when his mother asked him to play the piano. 他刚做完作业，这时母亲要求他弹钢琴。 The next morning I'd just about given myself up for lost when I was spotted by a ship. 第二天早上，我正感到绝望的时候，一艘船发现了我。 He had just fallen asleep when the telephone rang. 他刚睡着电话就响了。 [名师点津]　when作从属连词可引导时间状语从句，意为“当……的时候”；还可引导让步状语从句，意为“既然；考虑到”。 [即学活用] 单句语法填空/一句多译 ①I ___________(drive) down to London when I suddenly found that I was on the wrong road. ②在我正要放弃的时候，老师的表扬给了我回答问题的勇气。 a．I _________________________ the teacher's praise gave me the courage to answer the question. b．I _______________________________ the teacher's praise gave me the courage to answer the question. 2．(教材P16)The moment the shaking stopped，Miss Brown sensed it was the best time for the class to make their escape.震动停止的那一刻，布朗女士意识到这是全班逃离的最佳时机。 [句式分析] 该句是主从复合句，名词短语the moment 引导状语从句。 (1)用作连词引导时间状语从句的名词短语还有：the moment，the instant，the minute，the day，the week，the hour，any time，next time，the first time，the last time，the day等。 (2)副词immediately，instantly，directly等，也可以用作连词连接时间状语从句，意为“一……就……”，相当于as soon as。 Every time I open my mouth，I put my foot in it. 每当我张开口，就会讲错话。 Our greatest glory consists not in never falling but in rising every time we fall. 我们最值得自豪的不在于从不跌倒，而在于每次跌倒之后都爬起来。 [名师点津]　the first time用作连词，引导时间状语从句，意为“第一次……时”。for the first time是介词短语，只能用作状语，意为“第一次”。 [即学活用] 完成句子/词汇升级 ①I knew that Jane was a quiet but determined girl _______________ __________________(我第一次在班上看到她). ②______________________(下一次你感到) the urge to spread the latest news，think about why you want to gossip. ③I was so familiar with him that I recognized his voice as soon as I picked up the phone. →I was so familiar with him that I recognized his voice __________ _________________________________ I picked up the phone. Ⅰ.单句语法填空 1．The _______(injury) was sent to the nearest hospital in no time. 2．It was a great ______(relieve) to see the child came back safe and sound. 3．Hardly had I got home ____ I was phoned to go back to the office. 4．The students came back to the classroom ____ sweat on the faces. 5．Every student is required to obey the school ______(safe) rules. 6．The student is old enough _______(join) the army. 7．Tom is said to have ___ good knowledge of French，for he lived in Paris for ten years. 8．The old man always sits in front of the wall，________(enjoy) the warm sunshine. 9．It immediately occurred to me ____ I had left the keys in the office. 10．Thanks to the practice of the safty procedures，they did right to protect __________(they) during the fire. Ⅱ.完成句子 1．The family will __________ the old table passed down from their ancestor. 这家人是不会卖掉老祖宗传下来的古老桌子的。 2．In the big fire ten people _____________________ at large. 在这次大火中总计有10人受到轻伤。 3．There was a great flood in our town but only the government was ______________． 我们镇发生了特大洪灾，但是只有政府大楼安然无恙。 4．______________________________，I recognized him and gave him a hug. 一看到老朋友我就认出他来了并拥抱了他。 5．Facing any emergency，doctors should _______________． 在任何紧急情况下，医生都应该保持冷静。 6．I have _______________ the meeting this evening，but he hasn't turned up. 我已经通知他今晚的会议，但是他还没来到。 7．_____________________，one's mind works faster. 急中生智。 8．__________________，the boy was seen playing near the lake. 让我大为欣慰的是，男孩被发现在湖边玩耍。 $