M8U22 Lesson 3

Lesson3NaturalDisasters高二北师大版模块八Unit22EnvironmentalProtectionObjectives■Topractisereadingstrategiestocompletetextswithsentencesgaps.■Topractiseusingthevocabularyofnaturaldisasters.■Topractiseidentifyingnounsandverbs.■Totalkaboutdisastersandaid.PartIPre-reading1.Whatdisastershavebeenthreateningthelivesontheearth?droughtInJune,2008,Australia’sAnnaCreekstationsoldhalfofits16,000headofcattleforslaughter(屠宰)andwasmovingtheresttoothergrazinglands(牧场)inthefaceofthecountry’sworstdroughtinacentury.earthquakeMay12,2008.About70,000peoplewerekilledandabout18,000peoplewerereportedmissingaftera8.0-magnitudeearthquakestruckSichuan,China.floodInJune,1938,NationalistChinesesoldiersblewupdikes(堤)aroundtheYellowRivertostopJapanesetroopsfromadvancing.Morethanhalfamillionpeoplediedintheresultingflood.forestfireThe1997forestfiresinIndonesiathatlastedwellinto1998wasprobablyamongthetwoorthree,ifnotthelargestforestfireinthelasttwocenturiesofrecordedhistory.TheforestfiresburninginIndonesiabegantoaffectneighbouringcountries,spreadingthickcloudsofsmokeandhaze(烟雾).Bythetimethe1997-98forestfireswerefinallyover,some8millionhectares(公顷)oflandhadburnedwhilecountlessmillionsofpeoplesufferedfromairpollution.hurricaneOct.26-Nov.4,1998.HurricaneMitchwasthedeadliesthurricanetohittheAmericas.Itkilled11,000inHonduras(洪都拉斯)andNicaragua(尼加拉瓜)andleft2.5millionhomeless.landslideOn6December2008,4peoplewerekilled,15peopleinjuredinamajorlandslideatBukitAntarabangsainMalaysiathatburiednumeroushomesinthearea.tsunamiDec.28,1908.SouthernItalywasravaged(毁坏，蹂躏)bya7.2magnitudequakethattriggered(触发)atsunamithathittheMessina-Reggio-Calabriaarea,killing123,000.typhoonOnAugust8,2009,TyphoonMorakot,theworsttyphoonin50yearswhichhitTaiwanisland,hadclaimed461livesandleft192missingand46injured.volcaniceruptionJuly15,1991.Mt.PinatuboonLuzonIslandinthePhilippineserupted,blanketing750squarekilometreswithvolcanicash.Morethan800died.2.WhichofthedisastersintheKeyWordsdoyouthinkare:•causedbypeople?•madeworsebypeople?•natural?droughts,earthquakes,floods,forestfires,hurricanes,landslides,tsunamis,typhoons,volcaniceruptionsKeyWords:Disasters•Disasterscausedbypeople:•Disastersmadeworsebypeople:•NaturalDisasters:forestfireshurricanesdroughts,earthquakes,floods,landslides,tsunami,typhoons,volcaniceruptions,forestfires,hurricanesNatureisturningonusPartIIReadingReadingstrategies:CompletingTextswithsentencegaps•Readthetexttogetthegeneralidea.•Readaparagraphwithasentencegapandidentifythetopic,e.g.disasters.•Readthesentencesbeforeandafterthegapandlookforcluesaboutthemissingsentence,e.g.isitanexampleofwhatismentionedbefore?•Certainwordsmayhelpyou:timereferences(then).pronounreferences(it,that),linkingwords(however).•Decidewhichsentencegoesinthegap.checkthatitfitsthesentencesbeforeandafterit.1.Usethestrategiestocompletethegapsinthetext(1-5)withthesesentences(a-g).Therearetwoextrasentencesyoudonotneed.a)Butevidenceshowsthat73.000yearsagotherewasamuchgreatereruption.b)EvenEuropehassufferedandlargeareashavebeenunderwater.c)Thatisprobablynotthemostimportantfactoreither.d)Third,theotherbitsoflandyoumighthavebeenabletofarmarenowuseless.e)Ontopofallthataddglobalwarming.f)Forexample,theyellowriver,oncefamousforflooding,failedtoreachtheseaatallfor226daysin1997.g)Oneanswerisoverpopulation.Answers:1.___2.___3.___4.___5.___bfgea1)Themainreasonwhymorenaturaldisastershappennowis_______.A.thatmoreandmorepeoplemovetocitiesB.thatvolcanoesbreakoutmorefrequentlythanbeforeC.thatearthquakesareevenmoredangerousthaninthepastD.overpopulationandmismanagementoftheworld’sresources2.Choosethebestanswertoeachquestionaccordingtothetext.Answer:D2)Inthefuture,thebiggestthreattohumanbeingsmaybe__________.A.volcaniceruptionB.unnaturaldisastersC.floodsanddroughtsD.typhoonsandtsunamisAnswer:A3)Thethreattohumansfromvolcanoesisevenmoreseriousbecause______.A.moreandmoreforestsaredestroyedbyhumansB.manypeoplenowlivewithintherangeofavolcaniceruptionC.thepopulationoftheworldisgrowingrapidlyD.morecarbondioxideisproducedbyfactoriesandvehiclesAnswer:B3.Readthetextagainandanswerthesequestions.1)Whatistheattitudeofthejournalisttowardsthefuture?2)Whoaremostlikelytobethevictimsofnaturaldisasters?Pessimistic/Negative.Poorpeople.3)Whyaretherenowmorehurricanes,floodsanddroughts?4)Whyarevolcanoesandearthquakesmoredangerousnow?Overpopulationandmismanagementoftheworld’sresources.Becausearoundhalftheworld’spopulationlivesincities,morethan500millionpeoplenowlivewithintherangeofvolcaniceruptionandanevengreaternumberofpeopleliveatriskfromearthquakes.5)Whatcouldbethebiggestthreattotheplanetinthefuture?6)Whateffectsmightthisthreathave?Avolcaniceruption.Itmightsendtheplanetintowinterforyears.PartIIIStructureAnalysis1.Thiscatastropheisstillveryfreshinthemindsofpeopleworldwidewhohavenotyetgotovertheirseparationfromlovedoneslostinthetsunami.译文：在世界各地许多人的心目中,那场灾难仍然记忆尤新。他们还没有从海啸中丧失亲人的打击中恢复过来。在这个复合句中，whohavenotyetgotovertheirseparationfromlovedoneslostinthetsunami为定语从句，修饰people。在定语从句中，lostinthetsunami为过去分词短语作定语，修饰ones。结构分析：2.Peopleinagricultureareas,withou