Unit 2 Section Ⅳ Writing（课件PPT）-【精讲精练】2025-2026学年高中英语必修第三册（译林版）

该高中英语课件聚焦“自然灾害”主题写作，通过呈现相关核心词汇（如weather forecast, severe storm）和关键短语（如which is expected to cause great floods），搭建写作支架，帮助学生从词汇积累过渡到句式构建，衔接单元主题与写作实践。 其亮点在于以“写作培优”为导向，通过词汇、句式及逻辑提示（如Therefore引导的衔接）夯实基础，提升学生语言表达的准确性与连贯性（语言能力），引导学生有序组织写作内容（思维品质），并提供实用写作策略（学习能力）。具体词汇与短语列表助力学生构建写作框架，学生能提升主题写作能力，教师可借助结构化资源提高教学效率。

Section Ⅳ　Writing Unit 2　Natural disasters Unit 2　Natural disasters 1 写作培优•妙笔生花 Unit 2　Natural disasters 1 Unit 2　Natural disasters 1 Unit 2　Natural disasters 1 Unit 2　Natural disasters 1 Unit 2　Natural disasters 1 Unit 2　Natural disasters 1 Unit 2　Natural disasters 1 Unit 2　Natural disasters 1 Unit 2　Natural disasters 1 Unit 2　Natural disasters 1 weather forecast a severe storm hit be on the way last make full preparations Unit 2　Natural disasters 1 citizens flashlight the rescue team an electric shock Unit 2　Natural disasters 1 which is expected to cause great floods Therefore before the storm comes It is never adopted Unit 2　Natural disasters 1 Unit 2　Natural disasters 1 Unit 2　Natural disasters 1 Unit 2　Natural disasters 1 Unit 2　Natural disasters 1 Unit 2　Natural disasters 1 谢谢观看 Unit 2　Natural disasters 1 关于灾难的说明文 一、文体特点 说明文是以介绍和说明为主要表达方式，用简洁明了的语言来解说事物、阐明事理或交代步骤，从而给读者提供知识的一种文体。说明文类的书面表达多以图画、表格或文字的形式出现，并往往融合在应用文体中进行考查。有关灾难中如何逃生指导方面的说明文，通常向读者介绍应急事件中应采取的正确、合理的措施。 二、审题谋篇 有关灾难指导方面的说明文正文内容一般包括三部分： 第一部分：灾难前的准备应对事宜介绍； 第二部分：灾难中应采取的措施指导； 第三部分：灾难后的补救说明。 三、知识储备 1．灾难前常用语 (1)Thousands of fires break out every year，causing... (2)Great floods hit the south of...，and great damage is done to... (3)Millions of people are affected by... (4)Preparations should be made to... (5)In order to reduce the damage of...，people should prepare...and... (6)More and more people have become aware that... 2．灾难中常用语 (1)During the...，we should keep our head. (2)Leave the...immediately and run to... (3)Do not take lifts... (4)You are required to... (5)You can move under...or go to a small room. 3．灾难后常用语 (1)Stay away from... (2)Wait for some experts to offer help/assistance. (3)Only in this way can we... [写作任务] 假如你是李华，你市近来有大暴雨，并有可能引发洪水。请根据提示写一篇英语短文，提醒人们做好防范工作，内容包括： 1．天气预报连续播放暴雨预报； 2．洪水暴发期间应采取的措施； 3．洪水后的防范及救援。 注意：1.词数80左右；2．开头和结尾已给出，不计入总词数。 According to the weather forecast，a severe storm is on the way，and is to hit our city the day after tomorrow.__________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ Hope everyone can stay calm and safe. [思路点拨] 一、审题定调 1．确定体裁：本文是说明文。 2．确定人称：本文主要采用第二人称。 3．确定时态：说明文通常使用一般现在时，适当添加一般将来时。 二、基本结构 开头：介绍天气预报，引起人们对天气的注意，告知人们暴雨有可能导致洪水； 主题：具体介绍在洪水前、中及后的应对措施； 结尾：希望人们生命安全，工作有序。 [词汇热身] 1．________________天气预报 2．______________严重的暴风雨 3．___袭击 4．_____________马上来临 5．____持续，延续 6．______________________做好充分准备 7．________市民 8．__________手电筒 9．_______________救援队 10．_________________电击 [主要句式] 1．The stormy weather will last more than two days，_______________________________________． 暴风雨天气将持续两天多，预计会引发大洪水。 2．________________________________，citizens in our city should make full preparations.所以暴风雨到来之前，我市市民应当做好充分准备。 3．___________________ to climb the wire poles，which probably cause you an electric shock.攀爬电线杆是不可取的，有可能遭到电击。 [连句成篇] According to the weather forecast，a severe storm is on the way，and is to hit our city the day after tomorrow.The stormy weather will last more than two days，which is expected to cause great floods. Therefore before the storm comes，citizens in our city should make full preparations.First of all，store enough foods and water for daily life.Besides，clothes，medicine and even candles and flashlights are necessary.Once a great flood occurs，find a high area or stay upstairs.Surrounded by floods，contact the rescue teams or the government.Never try to swim away for safety.It is never adopted to climb the wire poles，which probably cause you an electric shock. Hope everyone can stay calm and safe. 假如你是李华，请以学生会的名义写一篇标题为“How to Survive in a Fire Accident”的文章，告知全体同学在火灾发生时的逃生方法。 1．给消防部门(fire department)打电话； 2．保持头脑清醒(keep one's head)； 3．切勿乘坐电梯(elevator)； 4．毛巾捂住口鼻，匍匐前进(crawl forward)…… 注意：1.词数80左右； 2．可以适当增加细节，以使行文连贯； 3．开头和结尾已给出，不计入总词数。 How to Survive in a Fire Accident In case of fire，some simple tips can help you escape and stay safe. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ In short，if you take proper measures，the chances are that you will survive in case of fire. 【参考范文】 How to Survive in a Fire Accident In case of fire，some simple tips can help you escape and stay safe. First，once a fire breaks out，telephone the fire department to ask for help immediately.Keep your head.It is necessary to make sure of the position and the way to escape.Remember never to take the elevator，as you may get trapped if electricity fails.Cover your mouth and nose with a wet towel to avoid breathing in heavy smoke and crawl forward.If you can't get away，it is of great importance to hang something out of the window to attract attention... In short，if you take proper measures，the chances are that you will survive in case of fire. $