Unit 4 Natural Disasters 重点单词讲解 课件-2025-2026学年高中英语人教版必修第一册

该高中英语课件围绕必修一Unit4“Natural Disasters”主题，系统梳理drought、rescue、shelter等核心词汇的词性、释义、短语及用法，通过汉译英、英译汉、句式转换等练习，构建从基础词义到语境应用的学习支架，帮助学生逐步掌握词汇在自然灾害主题下的综合运用。 其亮点在于融合语言能力与思维品质培养，如“affect”的被动句改写、“as if”虚拟语气辨析等设计，结合“睡前用手机影响健康”等生活化例句，采用多维度词汇训练法。学生能提升词汇应用与语法转换能力，教师可直接利用系统练习优化课堂活动，提高教学效率。

必修一 Unit4 Natural Disasters drought n. 干旱 dry adj. 干燥的 汉译英： 干旱使得许多动物离开了这个地方。 Drought made many animals leave this place. The firefighters rescued five children from the burning house yesterday. 昨天，消防员从着火的房子里救出了五名儿童。 When we were trapped in the ruins, the soldiers saved us. When we were trapped in the ruins, the soldiers came to our rescue. 当我们被困在废墟之中时，士兵们救了我们。 cause/do damage to..... 对.....造成损害 一句多译: 众所周知，吸烟会损害我们的健康。 1. As we all know, smoking can do/cause damage to our health. 2. It is well known that smoking can damage our health. 英译汉： According to research, using a mobile phone before going to bed can affect your health. 根据研究，睡前使用手机会影响你的健康。 改写为被动句： According to research, your health can be affected by using a mobile phone before going to bed. 例句： It is very dangerous to take shelter from rain under a tree especially during a summer raistorm. Peole planted many trees to shelter this area from strong sand storms. 躲避...... 保护......免受......的伤害 as if 从句使用陈述语气 意思是从句表示的情况是真实的或极有可能发生的。 例句： Hurry up! It looks as if it is going to rain. 快点！看起来好像要下雨了。 虚拟，即与事实相反。 1. He talks to them as if they were children. 2. He talked about Rome as if he had been there before. 3. He opened his mouth as if he would say something. 单句语法填空 Heavy smoking ________ (ruin) your health, so you should give up smoking. 翻译： The whole city was in ruins after the earthquake. That made us awake all night. 地震之后整个城市成了一片废墟。这让我们彻夜难眠。 ruins 单句语法填空 The news of his victory is so _______ (shock) that everyone is very much _______ (shock) at it. shocking shocked 翻译： If you choose this way, you will be likely to fall into a trap. 如果你选择这条路，你将很可能会落入圈套。 填空： The power was off, so they _________________(trap) in the lift. were trapped 翻译： She buried her face in hands and cried when she heard the bad news. 当她听到这个坏消息时， 她掩面而泣。 He sat at a wooden table and was buried in reading. 他坐在一张木制桌子旁，全神贯注地埋头阅读。 句式改写： He sat at a wooden table, __________ (bury) in reading. He sat at a wooden table, __________ (bury) himself in reading. buried burying 一句多译： 我们将竭尽全力帮助你，但是你必须做好充分的准备。 We’ll try our best to help you, but you must get well prepared. We’ll spare no effort(s) to help you, but you must get well prepared. We’ll make a/every effort to help you, you must get well prepared. The survivor never talked about his sufferings in the disaster. 这位幸存者从不提及他在那场灾难中的遭遇。 翻译： It is obvious that our environment is suffering serious damage. 很明显，我们的环境正在遭受严重的破坏。 翻译： 1. I’d like to know the reason why the water is in short supply in this area now. 我想知道为什么现在这个地区会出现水资源短缺的情况。 2. 这本书会为你提供一些有价值的信息。 This book will supply you with some valuable information. We use words every day but not all of us realize their powerful influence. 我们每天都在使用语言，但并非所有人都能意识到语言所具有的巨大影响力。 powerful adj. 强有力的 翻译： 我们应该保持冷静，尽最大努力拯救我们自己，并帮助他人。 We should keep calm, try our best to save ourselves and help others. 汉译英： 在老师的帮助下，我们学会了如何制作这道美味的菜。 With the aid of our teacher, we have learnt how to make this delicious dish. strike-struck-struck/stricken 翻译： Unfortunately, a stone struck him on his back. 很不幸，一粒石头击中了他的后背。 I was deeply struck by the beauty of the mountain. 那座山的美丽深深打动了我。 It suddenly struck/hit me that I should pay a visit to an old friend of mine. 我突然想到，我应该去拜访我的一位老朋友。 派生词：delivery n. 投递；送货；生孩子 单句语法填空： The express company will get all these goods __________(deliver) to the customers today. 翻译： 早上好，我很荣幸在这里发表关于梦想的演讲。 Good morning, I feel honored to deliver a speech about dreams here. delievered 翻译： 新的交通规则将于下个月实施。它将会对我们的生活产生巨大的影响。 The new traffic rules will come into effect next month and it will have a great effect on our life. 派生词： effective adj. 有效的；有影响的 effectively adv. 有效地；实际上 That is all. $