Titanic sank after hitting an iceberg.How did it happen?Typhoon/hurricaneSandstormVolcanic eruptionBlizzardFloodWhat is happening?tsunamitsunamian earthquakeWhat happened in an earthquake?What happened in an earthquake?roadsbe crackedrailway tracksbe usless pieces of steelWhat happened in an earthquake?Buildings and bridgesfall downWhat happened in an earthquake?peoplebe buried/injured/killedthe whole citybe destroyed/ in ruins many people becomehomeless Zhang Heng is the man who made the earliest seismograph in 132. Do you know what would happen before an earthquake?(signs)Bright lights flash in the sky.Bright lights flash in the sky. The water in the well rises and falls. The well walls have deep cracks with smelly gas. Mice run out to look for places to hide.Fishes jump out of the ponds. Animals are very nervous.Animals are too nervous, such as chickens, dogs, and horses, etc. Chickens are flying.Dogs are barking.a thin metal piece that carries water a lot offinished; deadput something under the earthgo upworried or frightenedhelp to get someone out of dangergas that hot water gives outthe part of a building left after the rest has been damagedhurtpipeshockeda great number ofRuinsat an endInjuredRiserescueSteamburyTangshan, HebeiJuly 28th, 1976•Divide the passage into three parts and find out the main idea for each.Main idea of each partPart IPart IIPart IIIPara.1Para.2Para.3Para.4Strange things that happened in Tangshan before an earthquakeThe damage of the earthquake in TangshanThe rescue of Tangshan Skimming Part I (Para.1)Topic sentence:Strange things were happening in the countryside of northeast Hebei.Supporting points:*a smelly gas…* well walls …* well water…* animals: the chickens and the pigs/ mice and fish ...