人教课标高一必修1Unit4HowmanyNatureDisastershaveyouheardof
typhoonseismicseawave/tsunamitornado,hurricanethunderstormsandstormvolcaniceruptiondroughtfloodhurricanefireearthquake1)Doyouknowwhatwouldhappenbeforeanearthquake
2)Whatcanwedotokeepourselvessafefromanearthquake
Animalsaretoonervous,suchascows,dogs,horses,andsnakes,etc
Predictionsofanearthquake:1)Brightlightsflashinthesky;3)Thewellwallshavedeepcrackswithsmellygas;4)Animalsaretoonervous,suchascows,pigs,horses,andsnakes,etc;5)Micerunouttolookforplacestohide;6)Fishjumpoutoftheponds
2)Thewaterinthewellriseandfall;Tangshan,HebeiJuly28th,1976Whatcanwedoafterearthquakes
