人教版高一英语Book1 Unit4 概要写作

Unit4 解透单元写作主题写作——自然灾害1.写作任务假设你是李华，你校邀请李教授来校做了有关地震防灾知识方面的讲座，请你写一封邮件，把讲座的情况告诉请假未听讲座的交换生Tom，要包括以下要点：①报告的时间、地点；②报告的内容；③你的看法。

注意：词数100左右。

________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 2.写作思路（1）一审：确定写作体裁、主题和结构体裁：应用文—电子邮件主题：介绍讲座内容第一段：交际用语一写信目的结构：三段第二段：介绍讲座详情（时间地点、内容）第三段：自己看法（2）二定：时态与人称人称：第一人称为主、第三人称为辅时态：一般过去时为主，一般现在时为辅（3）三明确明确写作要点：①讲座的时间、地点；②讲座内容（自救重要性的认识，自救技巧：原则、户内、户外）③感想：讲座的意义和我的看法（必须了解自救技巧）3.素材整理（1）关键词语an expert on something关于……的专家deliver a speech发表演说self-rescue（skills）自救（技巧）stay/keep calm保持镇定in the open air在露天，在户外In summary总之，总而言之（2）完成句子①李教授，著名地震学专家，给我们做了一个如何在地震中自救的讲座。

（同位语）Professor Li，a famous expert ______ ______, delivered a speech self-rescue in an earthquake.②从讲座中，我们意识到了知道在地震发生时如何做的重要性。

高中英语必修一unit4范文全文共3篇示例，供读者参考篇1Unit 4 of High School English Book One mainly focuses on environmental protection and pollution control. In this unit, students are supposed to learn about the importance of protecting our environment, the causes and consequences of pollution, and the ways to prevent pollution.Environmental protection is everyone's responsibility, and it is crucial to raising awareness among people of all ages, especially students. By studying this unit, students will understand how their daily activities can impact the environment and learn the steps they can take to help preserve the Earth for future generations.Pollution is a major issue that threatens the health of our planet and the well-being of all living creatures. Whether it is air pollution, water pollution, or soil pollution, the consequences can be devastating. Through this unit, students will gain a deeper understanding of the causes of pollution, such as industrial waste, vehicle emissions, and improper disposal of waste.To combat pollution, individuals must take action to reduce their carbon footprint and minimize their impact on the environment. This unit provides practical solutions and tips for students to follow, such as reducing energy consumption, recycling waste, and using eco-friendly products.Overall, Unit 4 of High School English Book One is essential for students to learn about environmental protection and pollution control. By studying this unit, students will be better equipped to make responsible choices and take action to protect our planet. The knowledge and skills gained from this unit will empower students to become responsible global citizens who are committed to safeguarding the environment for future generations.篇2Unit 4: EarthquakesEarthquakes are one of the most powerful and destructive natural disasters that can occur on our planet. They are caused by the sudden release of energy in the Earth's crust, resulting in seismic waves that can shake the ground and cause buildings to collapse. In this unit, we will explore the causes and effects ofearthquakes, as well as the ways in which they can be predicted and prevented.One of the primary causes of earthquakes is the movement of tectonic plates. The Earth's crust is divided into several large pieces, known as tectonic plates, which float on the semi-fluid mantle below. When these plates move past each other, they can become stuck and build up tension. When this tension is released, it causes the ground to shake, resulting in an earthquake.Earthquakes can have devastating effects on the environment and human populations. In addition to causing buildings to collapse and roads to crack, they can also trigger landslides and tsunamis. The destruction caused by earthquakes can result in loss of life and property, as well as long-term economic and social impacts on affected communities.Fortunately, scientists have made significant advancements in predicting and mitigating the impact of earthquakes. By monitoring seismic activity and studying fault lines, they can now predict when and where an earthquake is likely to occur. This allows authorities to issue warnings and evacuate residents inat-risk areas, reducing the potential for loss of life and property damage.In addition to prediction, efforts are also being made to prevent earthquakes from causing as much damage. Building codes are being implemented to ensure that structures are able to withstand the shaking and movement caused by earthquakes. Retrofitting older buildings and infrastructure can also help to make them more resilient to seismic activity.Overall, earthquakes are a powerful force of nature that can have devastating effects on our planet. By understanding the causes and effects of earthquakes, as well as implementing measures to predict and prevent their impact, we can work towards creating a safer and more resilient world for future generations.篇3Unit 4 of the high school English textbook focuses on the topic of "Earthquakes". In this unit, students learn about the causes of earthquakes, how they are measured, their effects, and ways to prepare for and respond to earthquakes. The following essay provides an overview of the key points covered in this unit.Earthquakes are natural disasters that occur when there is a sudden release of energy in the Earth's crust, causing the ground to shake. The main cause of earthquakes is the movement oftectonic plates, which are large pieces of the Earth's lithosphere that float on the semi-fluid asthenosphere beneath them. When these plates collide, slide past each other, or pull apart, it can result in the formation of faults, where rocks on either side of the fault move in different directions. When these rocks suddenly slip along the fault, it generates seismic waves that travel through the Earth and cause the ground to shake.Earthquakes are measured using the Richter scale, which assigns a magnitude to each earthquake based on the amplitude of the seismic waves it generates. The Richter scale is logarithmic, meaning that each whole number increase in magnitude represents a tenfold increase in the amplitude of the seismic waves and approximately 31.6 times more energy released. For example, an earthquake with a magnitude of 6.0 releases 31.6 times more energy than an earthquake with a magnitude of 5.0.The effects of earthquakes can be devastating, causing buildings to collapse, bridges to fail, roads to crack, and landslides to occur. In densely populated areas, earthquakes can result in a high number of casualties and widespread destruction. To mitigate the impact of earthquakes, it is important to be prepared and know how to respond in the event of an earthquake. This includes creating an emergency plan, securingfurniture and heavy objects, and knowing the safest places to take cover during an earthquake.Overall, Unit 4 of the high school English textbook provides students with a comprehensive understanding of earthquakes and how to prepare for and respond to them. By learning about the causes of earthquakes, how they are measured, their effects, and ways to mitigate their impact, students can be better equipped to protect themselves and others in the event of an earthquake. Earthquakes are natural disasters that are a constant threat, but with proper preparation and knowledge, we can minimize their impact and stay safe.。