高中英语北师大版选修8第22单元第3课U22-L3-1BrainstormingNaturaldisastersNaturaldisastersNaturaldisastersNaturaldisastersNaturaldisastersNaturaldisasters大家有疑问的，可以询问和交流NaturaldisastersNaturaldisastersNaturaldisastersNaturaldisasterstsunami海啸typhoon台风volcaniceruption火山喷发flood洪水drought干旱landslide滑坡，山崩hurricane飓风,狂风Whatdoyouthinkcausesthedisasters,peopleornature?ReadingstrategiesReadingstrategiesReadingstrategiesReadingstrategiesReadingstrategies3.Whyaretherenowmorehurricanes,floodsanddroughts?4.Whyarevolcanoesandearthquakesmoredangerousnow?5.Whatcouldbethebiggestthreattotheplanetinthefuture?6.Whateffectsmightthisthreathave?Summary.Fillintheblanksaboutthetext.__addition,______changeandglobal________causedbyfactories,vehiclesanddeforestationcanlead___thedisastersormakethemworse.Atpresent,volcanoesandearthquakesaremore_________withthefast______ofthepopulation.Earthquakestakethelivesof1.6millionpeopleinthelasthundredyears.Whatisworse,thedisasterexpertspredictthatthethingswillget_____.