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Unit4Earthquakes 高中英语

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Unit4Earthquakes评论（0）1教学目标1.knowledge aims:Get the students to learn the following useful new words and expressions in this p assage.Know basic knowledge about earthquakes.2.Ability aims:Develop the students’ ability and let them learn different reading skills.Get the students collect the information from the internet by themselves.3.Emotional aims:Get the students to be aware of the terrible disasters, meanwhile get them to fac e it, treat it in a proper way, and never get discouraged.评论（0）2学情分析高一学生对英语学习兴趣浓厚，能积极参加各种活动，如话题讨论，调查，报告，有一定的综合语言运用能力。

评论（0）3重点难点教学重点：1. Master the new words, phrases and useful expressions.2. Train students’ reading ability to understand the content of t he text i n details.教学难点：1. Develop the students’ reading ability.2. some difficult sentences:It was felt in Beijing, which is more than two hundred kilometers away.A huge crack that was eight kilometers longs and thirty metres wide c ut across houses, roads and canals.The number of people who were killed or injured reached more than 400,000.Later that afternoon, another big quake which was almost as strong as the first one shook Tangshan.The army organized teams to dig out those who were trapped and to bury the dead..Workers built shelters for survivors whose homes had been destroyed.4教学过程步骤1：I. Warming upT: Today, I will introduce a guy to you, he is Mr. nature, he is changeable, when he is happy, he will be friendly to us, but when he is angry, he may bring natural disasters. Can you list some natural disasters?Please look at the pictures, try to say what kind of natural disasters they are.设计意图：列举自然灾难，从而引出地震这一话题，为即将学习的内容作铺垫步骤2：1. Fast readingRead the whole text quickly, try to find the main information about the disaster me ntioned in the text.•Time: July 28, 1976•Place:Tangshan, Hebei•Disaster:A big earthquake(according to the general information they get, trying to summarize the main idea o f the passage.)Main idea: An earthquake happened in Tangshan on July 28, 19762.careful readingTask1 Looking and guessing1.What are the signs of an earthquake? Talk about the pictures on Page 25.(e.g. Cows, pigs and dogs become too nervous to eat. The mice will run out of the fields looking for places to hide. The water in the wells will rise and fall. Walls of the wells in village will have deep cracks. There will be bright light in the sky….) Task2 Listening practiceListen to the tape, and try to fill in the blanks.What time did the earthquake happen?At about ___________Where did the earthquake begin?______________directly below the cityHow long did the earthquake last?_________ seconds.Task3.Read para2-3, try to find the damages caused by the earthquake, then try to fill in the chart below.Task4.Read the last paragraph,and find the answer to the question "what did the soldiers and rescue workers do for the city?"1 ____________the people who were trapped2_______the dead3 _______the coal miners4 build shelters for _________5 __________ the waterTask5.Summarize the topic sentence of each paragraph1. Strange things were happening in the countryside of northeast Hebei2. Everything began to shake. It seemed as if the world was at an end.3. Everywhere they looked nearly everything was destroyed.4. All hope was not lost.Task6 Divide the whole passage according to the change of timePart1.Signs before earthquakesPart2.Damage and destruction of earthquakePart3.Reconstruction after earthquake(设计意图:整体把握文章的主要内容和结构，培养概括文章中心及提炼主旨能力)Task7.Retelling(巩固提升）Try to retell the passage by filling in the blanks below.An __________happened in Tangshan in 1976. For a few days, water in the well ____________. Mice, chicken, pigs and even fish became ______. At 3:42 am, ev erything began to shake. It seemed that the world was _________. A huge _____cut across the houses and roads, then the city lay _______.Two-thirds of the people died or were _______. Then later that afternoon, another big quake_______ Tangshan. People began to wonder how long the disaster would last. But all _____ was not lost. Soldiers came to help those ________. Slowly, t he city began to _________again.3. HomeworkWrite a short passage about how to protect yourself during the earthquake.。

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必修一Unit4 Earthquakes重点单词短语归纳整理

必修一Unit4 Earthquakes重点单词短语归纳整理


①I told him how Heathcliff had trapped US，and that Cathy was probably married to Linton by now．我 judging by/from 从……上看；根据……判断
告诉他希斯克利夫是如何骗我们入了圈套，还有凯茜很可能已嫁给了林顿。
lie in ruins 成为废墟 the ruins of Yuanmingyuan 圆明园遗迹 bring sb.to ruin 使某人破产 ruin one’s hopes 使某人希望破灭 ruin oneself 自取灭亡 ruin one’s health/fame 毁坏某人的健康/名誉 辨析活用 damage/destroy/ruin/spoil 这三个词都有“损坏，破坏”之意，具体区别如下： (1)ruin 指彻底摧毁一件事物，特别是摧毁美好、珍贵的事物，并使其无法修复，其主语多为天灾人 祸等无形的力量。有时可用于借喻中，泛指一般的“弄坏了”。 He has ruined his health through drinking. 他饮酒过度，把身体搞坏了。 (2)damage 指“损坏”，表示不彻底的破坏，一般是部分性的，只是使其不能发挥正常作用，意味损
(2)celebrate 表示”庆祝，庆贺”，常指庆祝或纪念有意义的日子或时刻，可直接跟表示节日、胜利、
成功等的名词或代词作宾语。如：
①we celebrated the New Year with a big party．我们举行了一场盛大的晚会来庆祝新年。
②He held a dance party to celebrate his daughter’S birthday．他举行了一个舞会以庆祝他女儿的生日。
unit4 Earthquake(知识点)

unit4 Earthquake(知识点)

unit4 Earthquake(知识点)Unit 4: EarthquakesIntroduction:Earthquakes are natural disasters that occur when there is a sudden release of energy in the Earth's crust, causing the ground to shake. They can cause widespread destruction and lead to loss of life. In this unit, we will explore various aspects of earthquakes, including their causes, effects, and ways to mitigate their impact.I. What Causes Earthquakes?Earthquakes can be triggered by several factors, but the majority of them occur due to the movement of tectonic plates. As the Earth's crust consists of several large plates that float on the semi-fluid asthenosphere, their constant motion can create stress and tension. When the stress becomes too high, it is released in the form of seismic waves, causing an earthquake.II. Types of Earthquakes:1. Tectonic Earthquakes:- These are the most common type of earthquakes and occur at plate boundaries.- There are three main types of plate boundaries: divergent, convergent, and transform.- Divergent boundaries occur where plates move apart, while convergent boundaries occur where plates collide. Transform boundaries occur where plates slide past each other horizontally.- The intensity and magnitude of tectonic earthquakes vary depending on factors such as the type of boundary and the amount of accumulated stress.2. Volcanic Earthquakes:- Volcanic activity can also lead to earthquakes.- When magma rises to the surface, it can cause the surrounding rocks to crack, resulting in volcanic earthquakes.- These earthquakes are usually localized around the volcano and are associated with volcanic eruptions.3. Induced Earthquakes:- Human activities can sometimes trigger earthquakes.- Activities such as mining, reservoir-induced seismicity (due to filling of large reservoirs), and hydraulic fracturing (fracking) can induce seismic events.- Induced earthquakes may occur in areas where the Earth's crust is already under stress.III. Earthquake Effects:1. Surface Effects:- Shaking of the ground during an earthquake can cause various surface effects.- Buildings and infrastructure may collapse or suffer severe damage, leading to injuries and loss of life.- Landslides, ground cracks, and changes in the landscape can also occur.2. Secondary Effects:- Earthquakes can trigger secondary effects such as tsunamis, which are large ocean waves generated by the displacement of water.- Fires may break out due to damaged electrical systems or ruptured gas pipelines.- The movement of the ground can also lead to liquefaction, where saturated soil temporarily loses its strength and behaves like a liquid.IV. Mitigating Earthquake Impact:1. Preparedness:- Education and public awareness are crucial for earthquake preparedness.- Communities should have disaster response plans, evacuation routes, and emergency supplies in place.- Conducting regular drills and training sessions can help people understand the appropriate actions to take during an earthquake.2. Building Design:- Constructing buildings and infrastructure that can withstand seismic forces is essential.- Engineers use various techniques, such as base isolation and dampers, to reduce the impact of earthquakes on structures.- Building codes and regulations should be followed to ensure safety standards are met.3. Early Warning Systems:- Advances in technology have made it possible to develop early warning systems for earthquakes.- These systems can detect initial seismic waves and provide a few seconds to minutes of warning before the more destructive waves arrive.- Early warning can help prompt evacuations and give people time to take cover.Conclusion:Earthquakes are powerful natural phenomena that can have devastating consequences. By understanding their causes, effects, and implementing effective mitigation strategies, we can work towards minimizing the impact of earthquakes and protecting lives and infrastructure. Increased public awareness and preparedness are vital in ensuring resilience against these unpredictable yet recurring events.。

高一英语必修一Unit4Earthquakes知识点讲解和练习

高一英语必修一Unit4Earthquakes知识点讲解和练习

一、关系代词的用法
1、关系代词which用来指物，在从句中可作主语或宾语。
This is a book which tells about space rocket technology.（作主语）
The letter which I received yesterday was from my brother.（作宾语）
【归纳总结】
give out分发；发出；用完give sth.away赠送；颁发；泄露
give back归还；复原givein呈上；倒戈，屈服，认输
give off发出，放出give over停止，中止
give up放弃give on to/onto sth.朝向，面对；通向
8、Your speech was heard by a group of fivejueges,all of whom agreed that it was thebest one this year.
易混词
辨析
例句
injury
多指意外事故受伤。比hurt正式，hurt多指伤痛，而injure则指损害健康、成就、容貌等，强调功能的损失。
A bullet injured his lefgt eye.
hurt
既可指肉体上的损害，也可指精神上、感情上的损害；作不及物动词，意为“（身体某部位）难受”。指肉体上的损害时，hurt可与badly,slightly,seriously等连用，但若指精神上的创伤，只能说very much/rather/deeply hurt。
(1)n.裁判员；法官；审判员
His father used to be a judge.他的父亲过去是一名法官。
(2)v.推断；断定
高中英语人教版必修一Unit4知识点汇总及强化练习

高中英语人教版必修一Unit4知识点汇总及强化练习

Unit 4 Earthquakes 单元要点预览I词语辨析II词性改变Ⅲ重点词汇1. burst v.&n. 爆裂, 爆发, 突然裂开[典例]1).The red balloon suddenly burst. 那个红色的气球突然爆了。

2). The police burst through the door.警察破门而入。

3). On hearing the news, Leslie burst into laughter while Tracy burst out crying.一听到这则消息，Leslie突然大笑，而Tracy则突然大哭起来。

4). A burst of hand-clapping followed the ending of the song.歌声结束后响起了一阵掌声。

[重点用法]burst into laughter = burst out laughing 突然大笑burst into tears = burst out crying 突然大哭[练习] 中译英1). 水管在寒冷的天气里常常冻裂。

______________________________________________________________________2). 太阳突然从云端里露出来。

______________________________________________________________________2. rescue n.&vt. 援救，营救[典例]1). The police came to his rescue and pulled him out of the river.警察来救他，把他从河里拉了出来。

2). The rescue team made countless rescues during the earthquake.营救队在这次地震期间进行了多数次救援。