《必修二 4.4 Unit 4 Warming upPrereading .ppt》由会员分享，可在线阅读，更多相关《必修二 4.4 Unit 4 Warming upPrereading .ppt（13页珍藏版）》请在三一办公上搜索。
1、新课标人教版课件系列,高中英语必修2-4.4,Earthquakes,Unit 4,Warming up&Pre-reading,Free talk:Have you ever experienced any natural disasters?,volcano(火山),sandstorm(沙尘暴),Can you tell some kind of natural disasters?,Can you describe how terrible an earthquake is?,drought(旱灾),tsunami(海啸),Look at the pictures of Tangshan
2、 and San Francisco,describe what you see in the pictures.,Qs:What will happen if there has been a big earthquake in these two cities?,(beautiful cities;broad roads;tall buildings;large population),Tangshan,Hebei,July 28th,1976,5:13 a.m.April 18th,1906,San Francisco,Presentation:As we know,earthquake
3、s are disasters to everyone.But can we avoid or minimize(减少)the loss caused by earthquake?,Now lets see what may happen before an earthquake comes.,How can we foretell earthquakes?,Discussion:(competition)Please look at the pictures on Pre-reading and try to mention the signs of an earthquake.,Walls
4、 of wells will have deep cracks.,There will be bright light in the sky;,Cows,dogs and pigs become too nervous to eat;,Mice run out of the fields looking for places to hide.,The water in the wells will rise and fall.,Discussion:(Competition)Imagine there is an earthquake now,your home begins to shake
5、 and you must leave it right away.You have time to take only one thing.What will you take?Why?,personal washing things,a bottle of water,money,torch(手电筒),mobile phone,food and sweets,blanket(毯子),What will you take with you?,medicine,You will take:,HOMEWORK:,How can we reduce the damage of earthquakes?Prepare for reading.,
