【课堂新坐标，同步备课参考】2013-2014学年高中英语外研版必修三教师用书Module 3　The Violence of Nature

Module 3　The Violence of Nature 【美文阅读】　 Four natural disasters A natural disaster is defined as a natural hazard，which has a negative effect on human beings.Though some of the natural disasters are geological，many of them are due to changes in the climatic conditions.Given below are some of the very important natural disasters. Blizzard(暴风雪) A severe winter storm is known as a blizzard.Strong winds，heavy snowfall and low temperatures characterize a blizzard.A blizzard that occurred in 1888 killed over 400 people in the northeastern States.This blizzard is known Great Blizzard of 1888. Flood A flood is a natural disaster as it results in the death of human beings and animals.Crops are destroyed in the flood，which gradually results in increased food prices due to food shortages.In a flood situation，drinking water becomes scarce because water is polluted.Due to this，many diseases can spread. Fire Fire is terrible especially forest fire.Forest fire is also known as wildfire.It is a natural disaster caused by a volcanic eruption or by human carelessness.Wildfire can threaten wildlife and the human habitation close to the forest. Earthquake An earthquake occurs when the tectonic(地壳构造的) plates that form the upper crust of the earth collide or slide against each other.When the tectonic plates collide against each other，the stress is released.It is true that animals can sense earthquakes before they occur. However，the behavior of animals cannot be used as a method to predict an occurrence of an earthquake. 【诱思导学】　 What should we do in face of the disasters like tornadoes, hurricanes or earthquakes 【答案】　略 Period ⅠPreviewing ●教学目标 本课时主要是通过学生对学案所给出的内容的学习，了解本课文中所出现的词汇，初步了解课文以及相关的背景知识，对下一堂课对课文的全面理解起到一个铺垫作用。 ●教学地位 学习表示自然灾害的名词及其定义，试着用已经掌握的自然知识用英语对灾害的有关情况进行口头表达。 (教师用书独具) ●新课导入建议 教师给出学生几种自然灾害的图片，并让学生猜出属于那种自然灾害，有可能的话让学生说出这些自然灾害的名称，然后导入新课。 ●教学流程设计 Ⅰ.篇章结构 阅读P23的文章，完成下面表格(每空不超过3个词) Tornadoes Hurricanes What are they？ Tornadoes are rotating columns of air from1． to the ground. Hurricanes are strong 2. storms. Where do they 3. ？ From Texas in the southeast to South Dakota in the north. In the southernAtlantic Ocean，the Caribbean Sea and the Gulf of Mexico. How violent can they be？ The most violent have winds of more than 400 kilometers per hour. There are violent winds of 120 kilometers per hour or more，which 4. huge waves，heavy rains and floods. How often do they occur in the US？ 5. ，there are 800 tornadoes in the US each year. There are about six Atlantic hurricanes each year. The worst one It occurred in 1925，6. three US states and killing over 700 people and injuring 2,700. It occurred on the 8th September 1900 in Galveston，Texas，killing 6,000 people and 7. 3,600 buildings. A story about t ... ...