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【RSB学案24】人教版高中英语必修第一册Unit4 Natural Disasters 第4课时学案(写作专项课 灾害事件记叙)
【RSB学案24】人教版高中英语必修第一册Unit4 Natural Disasters 第4课时学案（写作专项课 灾害事件记叙）
作者：Risibo
本套学案遵循日思搏英语学习法（Reasonable English）“背、悟、用”模式，构建实用高效的特色课堂。RSB即Recite（背诵）、Study（领悟）、Build（运用）。
一、狂背阶段·素材输入（课前预习）
1.话题词块狂背：背诵本单元写作高频词块，分类记忆，随用随取。灾害描写类：natural disaster, break out, in ruins, cause great damage, heavy casualties救援行动类：carry out rescue work, dig out survivors, send supplies, offer help感受类：in shock, suffer a lot, rebuild homes, full of hope
2.高分句型狂背：背诵5个本课核心写作句型，做到脱口而出。例：as if虚拟语气、定语从句、过去进行时、the+形容词表一类人
二、真悟阶段·规律内化（课中探究）
写作逻辑真悟
本次写作主题为“记叙一次自然灾害事件”，属于叙事类记叙文，采用三段式时间顺序结构：
•第一段：灾害发生前——天气/环境征兆，人们的状态（铺垫）
•第二段：灾害发生时——灾害过程、造成的破坏（主体）
•第三段：灾害发生后——救援行动、人们的反应与感悟（收尾）
理性拆解高分要点：
1.时态运用：以一般过去时为主，背景铺垫用过去进行时
2.语法升级：多用定语从句、as if虚拟语气、分词结构，替换简单句
3.词汇升级：用本单元核心词块替换基础词汇
4.逻辑连贯：用before, when, then, after that, finally等衔接词串联事件
范文真悟：A big flood hit my hometown last summer. Before the flood, it had been raining heavily for several days, but people didn’t pay much attention.When the flood came in the early morning, people were still sleeping. The water rushed into the village quickly. Soon the whole village was in ruins. Many houses were destroyed and hundreds of people suffered from the disaster.Soon rescue teams arrived. They tried their best to dig out trapped people and sent food and water to the villagers. With everyone’s help, the villagers began to rebuild their homes. Though the flood was terrible, people were full of hope for the future.
课堂任务：圈出范文中的单元词块、高分句型，梳理时间顺序逻辑。
三、神用阶段·输出落地
当堂巩固练习
练习一写作词块汉译英（共8题）
1.自然灾害________
2.爆发________
3.成为废墟________
4.造成巨大损失________
5.开展救援工作________
6.挖出幸存者________
7.提供物资________
8.重建家园________
练习二句段搭建（用提示词补全句子，组成连贯段落，共7空）
A terrible earthquake ________ (strike) the city at midnight. Before the quake, some strange things were ________ (happen), but people didn’t notice. When the earthquake came, most people ________ (sleep). The whole city lay ________ ________ soon after. Many people ________ (trap) under the fallen buildings. Soon soldiers came to carry out rescue work. They tried to ________ ________ people who were trapped.
课后提升练习
练习三句子仿写（用指定句型仿写，贴合灾害话题，共8题）
1.用过去进行时：地震发生时，人们正在家里睡觉。
2.用as if：房子摇晃得仿佛要倒塌了。
3.用定语从句：很多人被困在倒塌的房屋里。
4.用in ruins：地震过后，整座小镇成为了废墟。
5.用the+形容词：伤员被立刻送往了医院。
6.用dig out：消防员们日夜工作，挖出幸存者。
7.用suffer from：这个村庄经常遭受暴雨袭击。
8.用rebuild：灾难过后，人们开始重建家园。
练习四篇章写作任务
以A Terrible Natural Disaster为题，写一篇80-100词的短文。要求：按时间顺序记叙灾害发生的过程、造成的影响、救援行动，至少使用3个本单元短语、1个定语从句、1个过去进行时结构。
RSB背悟用复盘区
① 今日狂背的3组写作词块：________② 今日真悟的写作结构逻辑：________③ 写作中出现的语法/词汇错误：________
★本课时习题参考答案
练习一写作词块汉译英
1.natural disaster
2.break out
3.lie in ruins
4.cause great damage
5.carry out rescue work
6.dig out survivors
7.provide supplies
8.rebuild homes
练习二句段搭建
struck; happening; were sleeping; in ruins; were trapped; dig out
练习三句子仿写（参考）
1.When the earthquake happened, people were sleeping at home.
2.The house shook as if it were going to fall down.
3.Many people were trapped in the houses which fell down.
4.After the earthquake, the whole town lay in ruins.
5.The injured were sent to hospital at once.
6.Firemen worked day and night to dig out survivors.
7.The village often suffers from heavy rainstorms.
8.After the disaster, people began to rebuild their homes.
练习四篇章写作（参考范文）
A Terrible Natural Disaster
Last summer, a terrible flood hit a small village near my city.Before the flood, it had been raining heavily for three days. When the flood came at night, most villagers were sleeping. The water rushed into the village quickly. Many houses were washed away and the whole village was almost in ruins. A lot of people suffered from the disaster and some were trapped in the water.Soon rescue teams arrived. They tried their best to save trapped people and sent food and clean water. After the flood, people worked together to rebuild their homes. Though the disaster was terrible, people never lost hope.
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