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1、Unit 4,Warming up and pre-reading,Earthquakes,fire,Natural Disasters,flood,typhoon,snow slide (雪崩),volcano (火山),mudflow,sandstorm,Tsunami(海啸）,earthquake,How much do you know about an earthquake?,Many people died,People lost their homes,Many things were destroyed.,大家一起来欣赏一首为汶川地震创作的歌曲直到永远,青海省玉树县2010年4
2、月14日发生两次地震，最高震级7.1级,Many people believe that “it is always calm before a storm,” look carefully at the two photos. Now, imagine there has been a big earthquake. Describe what might happen to the objects in the photos.,Tangshan,Tangshan, Hebei,July 28th, 1976,San Francisco,1906年, 旧金山地震后街景,1906年, 地震后旧
3、金山市区被扭曲的电车轨道,Tall buildings were destroyed.,Roads were cracked.,People were injured.,The city was in ruins.,Do you know why an earthquake happens?,Pacific plate,American plate,Eurasian plate,Indian plate,African plate,Antarctic plate,San Francisco,Paragraph 4,Pacific plate,North,South,West,East,Amer
4、ican plate,Earthquake Happens,Why do earthquakes happen? Scientists explain that the outside of the earth is made of a number of different plates. At San Francisco the Pacific plate which is moving towards the northwest meets the North American plate. The Pacific Plate is moving very slowly at 5.3 c
5、entimeters a year.,Sometimes these two plates stop and do not move for years. Then suddenly, they jump and an earthquake is felt. As a result of the movement of these plates, west America near the sea has always been a bad place for earthquakes. When the 1906 earthquake happened, the pacific plate j
6、umped 5-6 metres to the north.,Imagine your home begins to shake and you must leave it right away. You have time to take only one thing. What will you take?,Pre-reading,personal washing things,a bottle of water,money,torch,mobile phone,food and sweets,blanket,medicine,You will take:,2. What strange
7、things would happen before an earthquake?,Bright lights flash in the sky,Animals are too nervous to sleep, such as cats, dogs, chickens, horses, ducks and rabbits, etc.,What do you think may happen before an earthquake?,The water in the wells _and _. And some deep _could be seen in the well walls. A
8、 _ gas came out the cracks.,A,rose,fell,cracks,smelly,What do you think may happen before an earthquake?,B,Mice ran out of the fields_ places to hide. Fish _out of bows and ponds.,looking for,jumped,What do you think may happen before an earthquake?,C,The chickens and even pigs were _ nervous _ eat.
9、 The dog was _ loudly again and again.,too,to,barking,D,What do you think may happen before an earthquake?,People could see _ lights in the sky.,bright,A NIGHT THE EARTH DIDNT SLEEP,Reading,Read the passage through and try to get the main idea of each part.,Sum up the main idea of each part of the p
10、assage. (try to use one word to describe first),Part 1: para 1,Part 2: para 2&3,Part 3: para 4,signs,damage,recovery,Before the earthquake, many strange things were happening in the countryside in northeast Hebei.,PART 1: para 1,During the earthquake, the city was destroyed and people were killed or
11、 injured. Shortly after the quake, the disaster lasted.,PART 2: para 2&3,After the earthquake, the army came to help, bringing hope for a new life. And the city began to recover.,PART 3: para 4,Homework,Surf the Internet to find more information about the Tang Shan earthquake and the San Francisco earthquake. Read and recite the new words and phrases.,
