高中英语Unit 22 Lesson 3 Natural Disasters 课件1北师大版选修8 课件VIP免费

Lesson3UnnaturalDisastersLookatthefollowingpicturesandwhatarehappeninginthepictures?Lookatthefollowingpicturesandwhatarehappeninginthepictures?earthquakesdroughtstsunamifloodsvolcaniceruptionshurricanesforestfirestyphoonlandslidesWhatdoyouthinkcausesthedisasters,peopleornature?DiscussionDiscussionunnaturalReadthetextagainandanswerthesequestions:1.Whatistheattitudeofthejournalisttowardsthefuture?Pessimistic.2.Whoaremostlikelytobethevictimsofnaturaldisasters?Poorpeople.3.Whyaretherenowmorehurricanes,floodsanddroughts?Overpopulationandmismanagementoftheworld’sresources.4.Whyarevolcanoesandearthquakesmoredangerousnow?Becausehalftheworld’spopulationlivesincitieswithinrangeofvolcaniceruptionsandearthquakes.5.Whatcouldbethebiggestthreattotheplanetinthefuture?Avolcaniceruption.6.Whateffectsmightthisthreathave?Itmightplungetheplanetintowinterforyears.Fillintheblanksaboutthetext.Inthelast___years,therearemoreandmoredisasterssuchas_____,________,windstorms,earthquakes,________,volcanic_________and_____firesallovertheworld.Whyaresomanydisasters?Oneofthereasonsisover-__________.tenfloodsdroughtstyphoonseruptionsforestpopulation__addition,______changeandthespectreofglobal________causedbythemismanagementoftheworld’sresourcescanleadtothedisastersormakethemworse.InclimatewarmingAtpresent,volcanoesandearthquakesaremore_________withthefast______ofpeople.Earthquakestakethelivesof1.6millionPeopleinthelasthundredyears.Whatisworse,thedisasterprofessionalspredictthatthethingswillget_____.dangerousgrowthworseLanguagePointsLanguagePointsImportantphrases1.onrecord2.resultin3.wipeout4.turnon5.attherateof6.quantitiesof7.forinstance记载下来的，有记录的产生。。。结果，导致区别于resultfrom消除，毁灭打开，攻击，袭击以…速度atthespeedof大量aquantityofforexample8.withintherangeof9.atrisk10.insomedegree11.plungeinto12.ontopof…在…范围内有危险，冒险在某种程度上说使陷入，遭受。。。inaddition•With的复合结构:with+n./pron.+adj./adv./prepphrases/n/doing/done/todowith+object+objectcomplementWith的复合结构在句子中可以做伴随状语,也可以做原因状语和后置定语e.g.Hewalkedalongwithhisheaddown/withhisfaceredHeiswaitingforyouwithamagazineinhishand.Withyoumonitorinmyclass,Iwillbeinchargeoftheclasseasily.Withnothingtodo,Iwillgotothecinema.Withhisworkfinished,hewentbackhome.Helaythere,withhiseyeslookingatthesky.Wholivesintheroomwiththelighton?(1)他站在那里,手被帮在一棵树上。Hestoodthere,withhishandstiedtoatree.(2)他头高昂着走了进来.Hecameinwithhisheadhigh.•wipeout:(1)getridof/remove:清除,除去e.g.Wipeouttheseunhappythingsbetweenyouandher.(2)destroycompletely:毁灭,消灭e.g.Atlast,thearmyledbyMaoZedongwipedouttheenemies.Adiseasealmostwipedoutthepopulationoftheisland.•risk:vt./n.冒险e.g.Youaretotakeriskstogetwhatyouwant,butyoumustnotriskyourlife!atrisk处于危险之中,作表语或者状语at/take/runtheriskof冒……的危险Hesavedmylifeattheriskoflosinghisown.Theywerereadytorun/taketheriskofbeingtakenprisonerbytheenemy.riskit:冒风险试试Idon’tdaretoriskit,it’stoodangerous.plunge:vt./vi.投入(某物)使陷入;突入Don’tplungeyourhandintocoldwater.Whatplungedthecountryintothewar?•resultin:haveasaconsequence造成……的结果,导致e.g.Itistheircarelessnessthatresultedintheaccident.•resultfrom是由。。。造成的e.g.Itallresultedfromjealousy.1.Afterthestormtheyhadto______.2.Manypeopleinthedevelopingworldsufferfromdiseasesbecausetheyare______________.3.Ourteamwasknockedoutinthe_________ofthecompetition.rebuildundernourishedsemi-finalExercise6Completethesentenceswithwordsfromtheaboveexerciseinasuitableform.4.Thebombwasabouttogooffbuttheexpertsmanagedto______it.5.I_____________thequestionandfailedtheexam.6.I________yesterdayandarrivedanhourlateforclass.defusemisunderstoodoverslept7.Alotofhousescollapsedintheearthquakebecauseof____________construction.8.Floodsarenot_______thesedays;theyhappenmoreandmoreoften.sub-standardunusual